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Effect of dates on blood glucose and lipid profile among patients with type 2 diabetes
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作者 Hyder Osman Mirghani 《World Journal of Diabetes》 SCIE 2024年第6期1079-1085,共7页
Poor fruit and vegetable consumption is one of the 10 major risk factors for mortality.There is a misconception regarding the consumption of dates among patients with diabetes.This manuscript assessed the effects of d... Poor fruit and vegetable consumption is one of the 10 major risk factors for mortality.There is a misconception regarding the consumption of dates among patients with diabetes.This manuscript assessed the effects of date consumption on fasting and postprandial blood glucose,glycated hemoglobin,total cholesterol,triglycerides,low-density lipoproteins,high-density lipoproteins,and microbial markers.Four literature databases were searched for relevant articles.Of the 595 studies retrieved,24 assessed the effects of dates on glycemic control and lipids.Overall,the evidence suggests that dates have a lowering effect on blood glucose.Dates reduce total cholesterol and triglyceride levels and increase high-density lipoprotein levels.Dates also promote the abundance of beneficial gut microbiota.Therefore,patients with diabetes and dyslipidemia can consume dates to reduce their blood glucose,cholesterol,and triglycerides. 展开更多
关键词 dates Lipid profile Blood glucose Diabetes mellitus Microbial contamination
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In Situ Rb-Sr Dates of Muscovite and Sulfur Isotope of Pyrite from the Yangshan Gold Deposit in Western Qinling,China
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作者 HUANG Yong QI Xianmao +10 位作者 WU Qingsong LI Jianzhong REN Minghua DUAN Liu’an XIONG Tao YANG Zhonghu ZHAO Yang CIREN Lamu WEI Wei DUAN Jilin YAN Mengmeng 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2023年第5期1475-1489,共15页
Located along the southern part of the West Qinling orogenic belt,the Yangshan gold deposit is one of the largest in China.The major gold ores of Yangshan are disseminated in metasedimentary host rocks with minor nati... Located along the southern part of the West Qinling orogenic belt,the Yangshan gold deposit is one of the largest in China.The major gold ores of Yangshan are disseminated in metasedimentary host rocks with minor native gold amounts in stibnite-gold quartz veins.Pyrite and arsenopyrite are the major Au-bearing minerals.Hydrothermal muscovite from gold-bearing quartz veins was dated using the in situ Rb-Sr method to determine the formation age of the Yangshan gold deposit.The Rb-Sr isochron date of the muscovite yielded 210.1±5.6 Ma(MSWD=1.2).This date is near the lower end of the period of the mineralized granitic dykes(210.49-213.10 Ma).Two stages of gold enriching process are recognized in the gold-bearing pyrite:the first is incorporated with the Co,Cu,As,Ni enrichment;and the second is accompanied by Bi,Co,Ni,Pb,Cu,Sb concentration.The in-situ sulfur isotopic values of pyrites show a restrictedΔ34s range of-1.43‰to 2.86‰with a mean value of 0.43‰.Trace-element mapping and in-situ sulfur isotopic analysis of pyrite suggest that the sulfur deposits are likely derived from a magmatic source and likely assimilated by sulfur from the sedimentary bedrock.Thus,magmatism plays a critical role in the formation of the Yangshan gold deposit. 展开更多
关键词 Rb-Sr dating trace-element mapping sulfur isotope gold deposit Yangshan Qinling orogenic belt
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The Southward Extension of Cathaysia Block: Evidence from Zircon UPb Dates of Borehole Volcanics in the Northern South China Sea 被引量:5
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作者 XU Changhai QUE Xiaoming +2 位作者 SHI Hesheng ZHOU Zuyi MA Changqian 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2013年第5期1370-1386,共17页
Five Paleogene volcanics sampled from the northern South China Sea were analyzed via LA-ICP-MS zircon U-Pb dating, including basalt and andesite from Borehole SCSVI and volcanic agglomerate from Borehole SCSV2, respec... Five Paleogene volcanics sampled from the northern South China Sea were analyzed via LA-ICP-MS zircon U-Pb dating, including basalt and andesite from Borehole SCSVI and volcanic agglomerate from Borehole SCSV2, respectively. A total of 162 zircon U-Pb dates for them cover an age range from Neoarchean to Eocene, in which the pre-Paleocene data dominate. The Paleogene dates of 62.5±2.2 Ma and 42.1±2.9 Ma are associated with two igneous episodes prior to opening of South China Sea basin. Those pre-Paleocene zircons are inherited zircons mostly with magmatogenic oscillatory zones, and have REE features of crustal zircon. Zircon U-Pb dates of 2518-2481 Ma, 1933- 1724 Ma, and 1094-1040 Ma from the SCSV1 volcanics, and 2810-2718 Ma, 2458-2421 Ma, and 1850-993.4 Ma from the SCSV2 volcanics reveal part of Precambrian evolution of the northern South China Sea, well comparable with age records dated from the Cathaysia block. The data of 927.0±6.9 Ma and 781±38 Ma dated from the SCSV2 coincide with amalgamation between Yangtze and Cathaysia blocks and breakup of the Rodinia, respectively. The age records of Caledonian orogeny from the Cathaysia block are widely found from our volcanic samples with concordant mean ages of 432.0±5.8 Ma from the SCSV1 and of 437±15 Ma from the SCSV2. The part of the northern South China Sea resembling the Cathaysia underwent Indosinian and Yanshannian tectonothermal events. Their age signatures from the SCSV1 cover 266.5±3.5 Ma, 241.1±6.0 Ma, 184.0±4.2 Ma, 160.9±4.2 Ma and 102.8±2.6 Ma, and from the SCSV2 are 244±15 Ma, 158.1±3.5 Ma, 141±13 Ma and 96.3±2.1 Ma. Our pre-Paleogene U-Pb age spectra of zircons from the borehole volcanics indicate that the northern South China Sea underwent an evolution from formation of Precambrian basement, Caledonian orogeny, and Indosinian orogeny to Yanshannian magmatism. This process can be well comparable with the tectonic evolution of South China, largely supporting the areas of the northern South China Sea as part of southward extension of the Cathaysia. 展开更多
关键词 Borehole volcanics zircon U-Pb dates northern South China Sea Cathaysia
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Changes in Starch Accumulation and Activity of Enzymes Associated with Starch Synthesis of Rice at Different N Supplying Dates 被引量:5
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作者 MAJun MINGDong-feng MAWen-bo XUFeng-ying 《Agricultural Sciences in China》 CAS CSCD 2004年第10期738-745,共8页
The changes in grain-filling, starch accumulation and activity of enzymes associated with starch synthesis in two different hybrid rice varieties were analyzed at different N supplying dates (earlier-date-emphasized... The changes in grain-filling, starch accumulation and activity of enzymes associated with starch synthesis in two different hybrid rice varieties were analyzed at different N supplying dates (earlier-date-emphasized, mean-date-emphasized and later-date- emphasized). The results showed that the N application of later-date-emphasized could promote grain-filling rate, increase grain weight and amylopectin content. The peak of activity in three enzymes of ADPglusoce pyriphosphorylase (ADPG), starch synthesis enzyme (SSS) and starch branching enzyme (SBE) in grains of two different rice varieties was not changed obviously, but the mean and maximum activity of these three enzymes changed, and the changes of SSS and ADPG were bigger than that of SBE as N supplying date changed. The N application of earlier-date-emphasized increased SSS activity and the N application of later-date-emphasized increased ADPG and SBE activities. The mean SSS activity during whole grain-filling period, and ADPG and SBE activities at middle and late period of grain-filling were significantly or very significantly correlated with grain-filling rate and accumulating rate of amylose and amylopectin. Both of ADPG and SBE played an equal important role in the changes of amylose and amylopectin content. The N application of later-date-emphasized increased amylose and amylopectin accumulating rate. 展开更多
关键词 RICE N supplying dates STARCH Starch synthesis enzymes GRAIN-FILLING
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ONSET AND RETREAT DATES OF THE SOUTH CHINA SEA SUMMER MONSOON AND THEIR RELATIONSHIPS WITH THE MONSOON INTENSITY IN THE CONTEXT OF CLIMATE WARMING 被引量:4
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作者 李栋梁 蒋元春 +2 位作者 张莉萍 王慧 李潇 《Journal of Tropical Meteorology》 SCIE 2016年第3期362-373,共12页
Global gridded daily mean data from the NCEP/NCAR Reanalysis(1948-2012) are used to obtain the onset date,retreat date and duration time series of the South China Sea summer monsoon(SCSSM) for the past 65 years.The su... Global gridded daily mean data from the NCEP/NCAR Reanalysis(1948-2012) are used to obtain the onset date,retreat date and duration time series of the South China Sea summer monsoon(SCSSM) for the past 65 years.The summer monsoon onset(retreat) date is defined as the time when the mean zonal wind at 850 hPa shifts steadily from easterly(westerly) to westerly(easterly) and the pseudo-equivalent potential temperature at the same level remains steady at greater than 335 K(less than 335 K) in the South China Sea area[110-120°E(10-20°N)].The clockwise vortex of the equatorial Indian Ocean region,together with the cross-equatorial flow and the subtropical high,plays a decisive role in the burst of the SCSSM.The onset date of the SCSSM is closely related to its intensity.With late(early) onset of the summer monsoon,its intensity is relatively strong(weak),and the zonal wind undergoes an early(late) abrupt change in the upper troposphere.Climate warming significantly affects the onset and retreat dates of the SCSSM and its intensity.With climate warming,the number of early-onset(-retreat) years of the SCSSM is clearly greater(less),and the SCSSM is clearly weakened. 展开更多
关键词 climate warming South China Sea SUMMER MONSOON ONSET and RETREAT dates cross-equatorial flow
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Production, Storage and Evaluation of Homemade and Processed Diet, Based on Wheat, Legumes, Sesame and Dates;for Under-Five Children 被引量:2
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作者 Sirelkhatim Balla Elhardallou Suzan Gasm-Elbari Mohammed Farh Adil Abdallah Gobouri 《Food and Nutrition Sciences》 2015年第7期605-611,共7页
This study aimed to formulate a nutritive diet enriched with protein, iron and energy for under-five children. It was conducted in Elhosh rural area, Gezira State, Sudan, 2010. The diet was formulated and blended usin... This study aimed to formulate a nutritive diet enriched with protein, iron and energy for under-five children. It was conducted in Elhosh rural area, Gezira State, Sudan, 2010. The diet was formulated and blended using locally available foods, produced at home level, by a twin-roller drum dryer and in biscuit form. The raw materials included pigeon pea (Cajanus cajan) sesame (Sesamum indicum) and dates (Phoenix dactylifera). The three products were evaluated for their proximate composition, energy value, iron content and acceptability after storage at (4℃ - 6℃) and at room temperature for 5 months. The protein content of the products was (14.0 - 14.1 g/100g);the energy value ranged from 382 to 390 Kcal/100g, both in-line with many recommendations for children aged under five. The iron content was found in the range of 14.6 - 14.8 mg/100g, in agreement with the codex recommendation. Yeast, mold and salmonella were not detected while other microbes were found within acceptable values. Studied products were found nutritious and remained acceptable after storage for five months. Legumes, sesame seeds and dates can be effectively used in wheat-based baby foods as a source of protein and mineral supplement. 展开更多
关键词 Under 5 Children PIGEON PEA SESAME Seeds dates WHEAT FLOUR Energy Iron
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Analysis on the Changes of Accumulated Temperature,Initial and Terminal Dates and Duration Days of Main Boundary Temperature in Zhangjiakou City 被引量:1
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作者 Zhou Yanli 《Meteorological and Environmental Research》 CAS 2016年第5期6-12,共7页
Global warming has become a topic of widespread attention. The climate change will affect the change of agricultural climate resource,thereby affecting the agricultural planting structure,the grain yield,etc. Based on... Global warming has become a topic of widespread attention. The climate change will affect the change of agricultural climate resource,thereby affecting the agricultural planting structure,the grain yield,etc. Based on the daily temperature of Zhangjiakou from 1960 to 2011,the temporal changes of ≥0 ℃ and ≥10 ℃ accumulated temperatures were analyzed by using the methods of linear trend estimation and M-K mutation test. The results indicated that(1) the annual average temperature showed an increasing trend with the linear warming rate of 0. 42 ℃ /10 a in the past 52 years. In 1982,the annual average temperature had abrupt change,especially after 1983,the warming trend increased significantly.(2) In the past 52 years,≥0 ℃ accumulated temperature showed an increasing trend with the warming rate of 89. 4 ℃ /10 a. Mutation point of ≥0 ℃ accumulated temperature appeared in 1983,and after 1985,≥0 ℃ accumulated temperature increased sharply. At the same time,the ≥10 ℃ accumulated temperature had abrupt change in 1983,especially from 1987 to 1995 and after 1986,the warming trend increased sharply.(3) The initial date of ≥0 ℃ presented significant advancing trend,and that of ≥10 ℃ had little change,while their terminal dates presented delaying trend,so the sustained days of ≥0 ℃ and ≥10 ℃ increased significantly.(4) In the past 52 years,the delay of the terminal dates of ≥0 ℃ and ≥10 ℃ was greater than the advancing of the initial dates,and ≥0 ℃ accumulated temperature had a greater increase than ≥10 ℃ accumulated temperature. 展开更多
关键词 Accumulated TEMPERATURE INITIAL and terminal dates DURATION DAYS M-K test Mutation China
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Spatio-temporal analysis of the melt onset dates over Arctic sea ice from 1979 to 2017
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作者 Shuang Liang Jiangyuan Zeng +1 位作者 Zhen Li Dejing Qiao 《Acta Oceanologica Sinica》 SCIE CAS CSCD 2022年第4期146-156,共11页
The melt onset dates(MOD)over Arctic sea ice plays an important role in the seasonal cycle of sea ice surface properties,which impacts Arctic surface solar radiation absorbed by the ice-ocean system.Monitoring interan... The melt onset dates(MOD)over Arctic sea ice plays an important role in the seasonal cycle of sea ice surface properties,which impacts Arctic surface solar radiation absorbed by the ice-ocean system.Monitoring interannual variations in MOD is valuable for understanding climate change.In this study,we investigated the spatio-temporal variability of MOD over Arctic sea ice and 14 Arctic sub-regions in the period of 1979 to 2017 from passive microwave satellite data.A set of mathematical and statistical methods,including the Sen’s slope and Mann-Kendall mutation tests,were used to comprehensively assess the variation trend and abrupt points of MOD during the past 39 years for different Arctic sub-regions.Additionally,the correlation between Arctic Oscillation(AO)and MOD was analyzed.The results indicate that:(1)all Arctic sub-regions show a trend toward earlier MOD except the Bering Sea and St.Lawrence Gulf.The East Siberian Sea exhibits a significantly earlier trend,with the highest rate of-9.45 d/decade;(2)the temporal variability and statistical significance of MOD trend exhibit large interannual differences with different time windows for most regions in the Arctic;(3)during the past 39 years,the MOD changed abruptly in different years for different sub-regions;(4)the seasonal AO has more influence on MOD than monthly AO.The findings in this study can improve our knowledge of MOD changes and are beneficial for further Arctic climate change study. 展开更多
关键词 Arctic sea ice melt onset dates spatio-temporal analysis abrupt changes Arctic Oscillation
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Effect of Camel Milk Fortified with Dates in Ice Cream Manufacture on Viscosity, Overrun, and Rheological Properties during Storage Period
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作者 S. A. Salem Fardous M. Meead G. H. El-Rashody 《Food and Nutrition Sciences》 2017年第5期551-564,共14页
The effect of using camel milk with 2 dates types (Sokary & Al-Khalas), in 3 forms (paste, pieces, and molasses), with 2 different concentrations (5% & 10%) in the manufacturing of ice cream on its viscosity, ... The effect of using camel milk with 2 dates types (Sokary & Al-Khalas), in 3 forms (paste, pieces, and molasses), with 2 different concentrations (5% & 10%) in the manufacturing of ice cream on its viscosity, overrun%, rheological and melting properties during storage period up to 60 days at -18&#176C was studied. It was noticed that there are higher mean of viscosity values (cp) when using “Al-khalas” dates paste 5% and 10% followed by samples with “sokary” paste then samples with molasses in ice cream samples compared to those with added date’s pieces of either “Sokary” or “Al-khalas”. There are significant differences of overrun values between all treatments and samples with the added date paste of either “sokary” or “Al-khalas” which recorded the lowest values. Increased melting resistance and good qualities as heat shock and melting properties were significantly better for the samples with added dates pieces or paste unlike the molasses. The storage effect is obvious decline, especially when using dates molasses. 展开更多
关键词 CAMEL Milk dates Ice CREAM VISCOSITY OVERRUN MELTING Properties Heat Shock Storage Period
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Single Machine Scheduling Problem with Fuzzy Due Dates and Fuzzy Precedence
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作者 谢源 谢剑英 黄芹华 《Journal of Shanghai University(English Edition)》 CAS 2005年第5期450-454,共5页
A single machine scheduling problem involving fuzzy due dates and fuzzy precedence constraints is investigated. The fuzzy precedence reflects the satisfaction level with respect to precedence between two jobs. A membe... A single machine scheduling problem involving fuzzy due dates and fuzzy precedence constraints is investigated. The fuzzy precedence reflects the satisfaction level with respect to precedence between two jobs. A membership function is associated with each job Ji, which describes the degree of satisfaction with respect to completion time of Ji. For the bi-criteria scheduling problem, an 0 ( n^3 ) algorithm is proposed for finding nondominated solutions. 展开更多
关键词 fuzzy due dates fuzzy precedence nondominated schedules.
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Weed Control Practices and Varying Sowing Dates Effects on Seed Production of Pearl Millet (<i>Pennisetum americanum</i>L.) under Semi-Arid Environment
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作者 Naveed Arslan Usman Zulfiqar +6 位作者 Muhammad Ishfaq Muhammad Ahmad Muhammad Nabeel Anwar Azeem Ullah Iqra Nazar Asif Iqbal Muhammad Zohaib Anjum 《American Journal of Plant Sciences》 2018年第9期1974-1986,共13页
Peral millet being drought tolerant has substantial potential to contribute in food security ensuring the food, fodder and nutritional value in different Asian and African countries. Susceptibility to abiotic and biot... Peral millet being drought tolerant has substantial potential to contribute in food security ensuring the food, fodder and nutritional value in different Asian and African countries. Susceptibility to abiotic and biotic factors and low productivity are the main reasons for decreasing productivity and area of millets. In this context, evaluation of the effect of weed control practices and varying sowing dates on grain yield of kharif season grown pearl millet (Pennisetum americanum L.) was demonstrated at post graduate agriculture research station, University of Agriculture, Faisalabad during 2015. Forage pearl millet was sown at three different sowing dates i.e. mid-June, end of June and mid-July and four weed control practices viz. weedy check (no weeding), twice hoeing at 15 and 30 days after sowing (DAS), weed control using herbicides i.e. application of Atrazine (Awax 38 SC) &#64;330 g a.i. ha-1 at 15 DAS, and twice foliar applications of 10% Sorghum water extract (Sorgaab) (at 15 and 30 DAS). The experiment was laid out in randomized complete block design (RCBD) under split plot arrangement, comprising of three replications. The treatments with varying sowing dates were randomized in main plots and weed control practices were in subplots. Results showed that the highest plant height (279.51 cm), leaf area (2777.80 cm2), fresh weight of leaves per plant (155.57 g), maximum number of grains per head (3162.0) and grain yield (3419.7 kg&middot;ha-1) were obtained in the treatment combination of 30th June sowing × twice weed hoeing (at 15 and 30 DAS) while, maximum 1000-grain weight (8.45 g) was observed in treatments where weeds were controlled by hoeing (at 15 and 30 DAS). Moreover, cultural weed control practices reduce significantly weed density, fresh and dry Wight of weeds. In sum, it is concluded that to reduce the weed-crop competition and to gain higher productivity of pearl millet, field should be weed free 20 - 45 days after sowing. 展开更多
关键词 SOWING dates WEED Control Methods Herbicide Grain Yield Pearl MILLET
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Technological Valorization of Algerian Dates Downgraded from <i>Deglet Nour</i>Variety to Semi-Candied Dates in Dates Syrup
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作者 Férial Aziza Benyahia-Krid Elheyfa Khemissat +4 位作者 O. Aissaoui Zitoun Kaouther Djafri Meriem Bergouia Batoul Meghzili Lamia El-Mechta 《Food and Nutrition Sciences》 2021年第6期627-642,共16页
The objective of this study is the valorization of downgraded dates from a high Algerian date variety <span style="font-family:Verdana;"><i></i></span><i><i><span style... The objective of this study is the valorization of downgraded dates from a high Algerian date variety <span style="font-family:Verdana;"><i></i></span><i><i><span style="font-family:Verdana;">Deglet Nour</span></i><i><span style="font-family:Verdana;"></span></i></i><span style="font-family:;" "=""><span style="font-family:Verdana;">, locally called “</span><span style="font-family:Verdana;">h’chef</span><span style="font-family:Verdana;">”. The work starts with the implementation of a food formulation of semi-candied dat</span></span><span style="font-family:Verdana;">es in syrup extracted from dates. This formulation was based on dehydration-impregnation by immersion (D.I.I.). The downgraded dates were cleaned, cut, blanched, and then immersed in date syrups with increasing differential</span><span style="font-family:Verdana;"> concentrations in Brix degrees: 65</span><span style="font-family:Verdana;">°</span><span style="font-family:Verdana;">, 70</span><span style="font-family:Verdana;">°</span><span style="font-family:;" "=""> <span style="font-family:Verdana;">and</span><span style="font-family:Verdana;"> 75</span></span><span style="font-family:Verdana;">°</span><span style="font-family:;" "=""><span style="font-family:Verdana;">. The chosen date/syrup immersion ratio is 1:2 (w/w). The obtained semi-candied dates were the subject of physicochemical and sensory analyses. The characterization of the downgraded dates before immersion showed high sugar content with a rate </span><span style="font-family:Verdana;">52.67</span><span style="font-family:Verdana;"> g% g of dry matter and low water content (14%) which favors their use in semi-candied products. The </span><span style="font-family:Verdana;">physico-chemical</span> <span style="font-family:Verdana;">analyses</span><span style="font-family:Verdana;"> results of the three semi-candied dates products show an increase in their final sugar content, </span></span><span style="font-family:Verdana;"><i></i></span><i><i><span style="font-family:Verdana;">i.e.</span></i><i><span style="font-family:Verdana;"></span></i></i><span style="font-family:Verdana;"> from 53.55% to 60.78% and in ashes between 1</span><span style="font-family:Verdana;">.</span><span style="font-family:Verdana;">76 p.cent and 1</span><span style="font-family:Verdana;">.</span><span style="font-family:Verdana;">94 p.cent. On the other hand, sensory analysis results confirm that the semi-candied dates with a syrup of 75</span><span style="font-family:Verdana;">°</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> Brix present the most appreciated and preferable organoleptic characteristics than the other variables. Finally, following appertisation, the stability test </span><span style="font-family:Verdana;">reveal</span></span><span style="font-family:Verdana;">s</span><span style="font-family:Verdana;"> good microbiological quality (100</span><span style="font-family:Verdana;">°</span><span style="font-family:Verdana;">C for 20 minutes) of the three (3) semi-candied formulations of dates.</span><span style="font-family:;" "=""><span style="font-family:Verdana;"> Thus, the valorization of the “</span><span style="font-family:Verdana;">h’chef</span><span style="font-family:Verdana;">” as sorting gap <i></i></span><i><i><span style="font-family:Verdana;">Deglet Nour</span></i></i></span><span style="font-family:Verdana;"> date allowed its transformation into semi-candied dates, stable, appreciable on the organoleptic side. This new formulation could constitute a value-added product if eventually manufactured on an industrial scale, mainly in southern Algeria.</span> 展开更多
关键词 Phoenix dactylifera L. Downgraded dates Food Formulation Osmotic Dehydration Stability Test
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Preceding Crops Selection, Colza Seeding Norms and Dates Optimization in North Kazakhstan
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作者 Gulzhanar Shaihina Abilzhan Husainov +2 位作者 Guldana Seitova Gaziza Kaseinova Aida Mausumbayeva 《Agricultural Sciences》 2014年第14期1407-1412,共6页
Colza is a relatively new crop for North Kazakhstan. The increase of colza seeds production is restricted by its cultivation technology imperfection. Empiric model of colza for seeds cultivation is designed, allowing ... Colza is a relatively new crop for North Kazakhstan. The increase of colza seeds production is restricted by its cultivation technology imperfection. Empiric model of colza for seeds cultivation is designed, allowing using its maximum potential. It was found out that correct preceding crops selection, optimization of norms and dates of colza seeding provide seeds heavy weight crops, reducing crops production cost and increasing cost efficiency at 62% average. 展开更多
关键词 Colza SEEDING dates SEEDING Norms Preceding CROPS ECONOMIC Efficiency
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Modeling the Effect of Planting Dates and Nitrogen Application Rates on Potatoes Water Productivity in Jordan Valley
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作者 Ayman Suleiman 《American Journal of Plant Sciences》 2022年第1期137-146,共10页
Agricultural sector in Jordan is facing serious challenges in meeting the<span style="font-family:;" "=""> growing needs of food security because of its low water availability. Maintaini... Agricultural sector in Jordan is facing serious challenges in meeting the<span style="font-family:;" "=""> growing needs of food security because of its low water availability. Maintaining <span>and enhancing agricultural water productivity under such prevailing</span> environmental constraints are hard to achieve. Potatoes water productively in Jordan Valley was modeled using Decision Support System for Agrotechnology Transfer (DSSAT) under six nitrogen applications (0, 60, 80, 100, 120 and 140 kg/ha) and twelve planting dates every two weeks from October 1 to March 15 scenarios. The potatoes yield increased from 0% to 100% nitrogen treatment and then no considerable increase occurred. The potatoes</span><span style="font-family:;" "="">’</span><span style="font-family:;" "=""> crop yield increased from October 1<sup>st</sup> to January 15 and then decreased after which until the last day of planting date. The seasonal cumulative crop evapotranspiration for potatoes about doubled from 0% to 60% nitrogen treatment and then kept increasing gradually until the last treatment. The growing season cumulative crop evapotranspiration for potatoes increased gradually from October 1 to March 1. The water productivity increased from 0% nitrogen treatment to 100% and then decreased. The potatoes</span><span style="font-family:;" "="">’</span><span style="font-family:;" "=""> water productivity increased from October 1 until November 15 and then decreased to the end. From these results, we recommend that 100% of nitrogen requirements should be applied. The best window for potatoes</span><span style="font-family:;" "="">’</span><span style="font-family:;" "=""> planting date is the last two weeks in November.</span> 展开更多
关键词 Deficit Irrigation POTATOES DSSAT Nitrogen Application Planting dates Water Productivity
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Multivariate Study and Analysis of the Production of Citric Acid from Dates by Surface Method
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作者 Khalid Al-Shoaily Mansoura Al-Amri +2 位作者 Fouzia Al-Rawahi Muhammad Al-Sidrani Amal Al-Ghafri 《Journal of Agricultural Chemistry and Environment》 2014年第2期20-25,共6页
The production of citric acid from dates of the date palm Phoenix dactilifera was studied using a full factorial design with two design variables;Aspergillus niger strain, and starter juice treatment. Analyses of data... The production of citric acid from dates of the date palm Phoenix dactilifera was studied using a full factorial design with two design variables;Aspergillus niger strain, and starter juice treatment. Analyses of data have shown that mould type and the interaction between Aspergillus niger strain + juice treatment had significant effect (P ≥ 0.05) on the final total acidity. It was also found that all design variables and the interaction between them had significant effect (P ≥ 0.05) on the final pH and Total Soluble Solids. The highest total acidity expressed as citric acid was achieved with a commercial strain of Aspergillus niger, and filtered and centrifuged date juice. 展开更多
关键词 dates Citric ASPERGILLUS NIGER
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Fermenting Saudi Wasted Dates by Using <i>Lactobacillus casei</i>(ATCC 393), <i>Acidophilus</i>(CICC 6088) and the Mixed-Culture Bacteria to Produce Lactic Acid
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作者 Mahmoud H. Bushara Fahad Alkoaik +1 位作者 Ahmed Abasaeed Ronnel Fulleros 《Open Journal of Applied Sciences》 2018年第4期150-157,共8页
The Kingdom of Saudi Arabia produces over one million metric tons annually, which returns a 20% of wasted dates annually. Lactic acid and its derivatives are widely used in food, pharmaceutical and textile industries.... The Kingdom of Saudi Arabia produces over one million metric tons annually, which returns a 20% of wasted dates annually. Lactic acid and its derivatives are widely used in food, pharmaceutical and textile industries. There has been an increase in lactic acid production because it is used as a raw material to produce polylactic acid, a polymer that is used as a special medical and environmental friendly biodegradable plastic. This study aimed to use wasted dates to produce lactic acid by single culture Lactobacillus casei (ATCC 393), Lactobacillus acidophilus (CICC 6088) and the mixed culture using batch fermentation. The investigation results showed that the maximum concentration of lactic acid for ATCC 393, CICC 6088 and the mixed culture are 87, 84 and 84 g/l respectively. For single CICC 6088 and the mixed culture, the total percentage of glucose and fructose utilized was found to be 100%;76%, respectively, whereas in the case of the single culture ATCC 393, the total percentage of glucose and fructose were 100% and 72%, respectively. With regard to lactic acid concentration, and sugar consumption, the results revealed that the single culture ATCC 393 produced the optimum lactic acid of 87 g/l for 48 hr with initial sugar concentration of 90 g/l. 展开更多
关键词 Lactic Acid Culture Lactobacillus Wasted dates and Fermentation
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Henan Big Dates
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《China's Foreign Trade》 1997年第6期21-21,共1页
Big dates abound in Henan Province. Henan big dates are of big size, thick flesh, fine texture and sweet taste. They are renowned at home and abroad, and are an exported dry fruit variety of Henan Province. Big dates ... Big dates abound in Henan Province. Henan big dates are of big size, thick flesh, fine texture and sweet taste. They are renowned at home and abroad, and are an exported dry fruit variety of Henan Province. Big dates have abundant nourishment, their fruit contains protein, sugar, organic acid, various kinds of vitamins and such trace elements as calcium, 展开更多
关键词 Henan Big dates
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Red Dates and Astragalus Root Gruel
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《China Today》 2002年第7期64-64,共1页
Add astragalus root to water,simmer and thicken the sauce.
关键词 Red dates and Astragalus Root Gruel
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The Response of First Flowering Dates to Abrupt Climate Change in Beijing 被引量:6
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作者 白洁 葛全胜 戴君虎 《Advances in Atmospheric Sciences》 SCIE CAS CSCD 2011年第3期564-572,共9页
Phenological data on the First Flowering Date(FFD) of woody plants in Beijing from 1963-2007 are analyzed.The correlation between each species’ yearly FFD and the mean monthly temperatures for every year over a 45-ye... Phenological data on the First Flowering Date(FFD) of woody plants in Beijing from 1963-2007 are analyzed.The correlation between each species’ yearly FFD and the mean monthly temperatures for every year over a 45-year period is used to identify the month in which temperature has the most effect on FFD. Through further analysis,the FFDs of 48 woody plant species are shown to have advanced an average of 5.4 days from 1990-2007 compared to 1963-1989.The results indicate that 70.8%of species flowered significantly earlier(7 days on average) during the period 1990-2007,while only one species(2.1%) flowered significantly later.Moreover,the responses of FFD to climate change are shown to be different in two climatic stages, defined by an abrupt climate change point.Thirty-three species which first flower in March and April are sensitive to temperature are examined.The correlation coefficients between FFD and temperature for 20 species during the latter period(1990-2007) are shown to be larger than during the former period(1963- 1989),with a difference of around -0.87 days per 1℃on average.The paper concludes that with the warming of climate,the linear trend of FFD variation,as well as its responsiveness to temperature,became more prominent during 1990-2007 than 1963-1989.The data analyzed in this study present a strong biological indicator of climate change in Beijing,and provide further confirmation of previous results from regional and local studies across the Northern Hemisphere.Phenophase variations indicate that the climate is changing rapidly. 展开更多
关键词 PHENOLOGY climate change first flowering date(FFD) woody plants
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Robust single machine scheduling problem with uncertain job due dates for industrial mass production 被引量:4
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作者 YUE Fan SONG Shiji +2 位作者 JIA Peng WU Guangping ZHAO Han 《Journal of Systems Engineering and Electronics》 SCIE EI CSCD 2020年第2期350-358,共9页
The single machine scheduling problem which involves uncertain job due dates is one of the most important issues in the real make-to-order environment. To deal with the uncertainty, this paper establishes a robust opt... The single machine scheduling problem which involves uncertain job due dates is one of the most important issues in the real make-to-order environment. To deal with the uncertainty, this paper establishes a robust optimization model by minimizing the maximum tardiness in the worst case scenario over all jobs. Unlike the traditional stochastic programming model which requires exact distributions, our model only needs the information of due date intervals. The worst case scenario for a given sequence that belongs to a set containing only n scenarios is proved, where n is the number of jobs. Then, the model is simplified and reformulated as an equivalent mixed 0-1 integer linear programming(MILP) problem. To solve the MILP problems efficiently, a heuristic approach is proposed based on a robust dominance rule. The experimental results show that the proposed method has the advantages of robustness and high calculating efficiency, and it is feasible for large-scale problems. 展开更多
关键词 ROBUST optimization single machine scheduling maximum TARDINESS UNCERTAIN DUE DATE
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