A new type of internal solitary waves with a re-appearance period of 23 h observed in the South China Sea

The South China Sea （SCS）, in particular the northern SCS, is one of ocean areas where energetic internal solitary waves （ISWs）occur most frequently （Cai et al., 2012; Zheng, 2017）. Based on the re-appearance period （RP） at an observation station, Ramp et al.（2004） divided the ISWs into two types：Type-a and Type-b. Type-a ISWs arrive regularly at the same time every day, i.e., the RP is about 24 h, and Type-b ISWs arrive about one hour late every day, i.e., the RP is about 25 h.

The Countermeasures and Researches on Improving Farmers' Incomes of Shaanxi Province in the New Period

Combining the relative agricultural statistics from 2000 to 2009, the paper selects 20 major variables to carry out the analyses of factors. Through the component matrix, 3 common factors can be gained. They are investment on agricultural production, development of the second and the third agricultural industries and policies. On the basis of these 3 common factors, the paper suggests on how to improve farmers' incomes. Such as improving farmers' agricultural management incomes, improving farmers' salary and strengthening the construction of policies and so on.

New Zircon U-Pb Age of Granodiorite from the Shayikenbulake Be Deposit in Altay, Xinjiang and its Significance

Objective Intrusive rocks are widely distributed in Altay, Xinjiang, and appear in every structural belt. The rocks are mainly granite （Song Peng et al., 2017）, which formed from 523 Ma to 202 Ma and can be divided into five periods： 479-421 Ma, 410-370 Ma, 368-313 Ma, 300- 252 Ma and 247-202 Ma. However, intrusive rocks earlier than the Ordovician are rarely found. The small- scale low-grade metamorphic granite intruded in the Kanasi Group is the oldest intrusion reported up to now, which is the only one formed in the Early Cambrian （5234-19 Ma, Liu Yuan et al., 2013）. Few Cambrian intrusions limit the study of early magmatic-tectonic evolution in Altay. Medium-free-grained granodiorite is exposed widely in the Shayikenbulake deposit of Central Altay, and occurs as batholith. It formed in the Early Cambrian indicated by U-Pb dating, and is an ideal intrusion for studying Cambrian magmatic-tectonic events in Altay.

Review of Agricultural Insurance Development in the New Period in China

Agricultural insurance is a great support for agricultural modernization in the new period. It plays a role of " stabilizer" in consecutive increase of yield and constant increase of farmers' income. This paper elaborated current situation of agricultural insurance development in China in the new period,analyzed existing problems,and came up with pertinent recommendations.

New Discovery of Holocene Activity along the Weixi-Qiaohou Fault in Southeastern Margin of the Tibetan Plateau and its Neotectonic Significance

Objective The lateral extrusion eastward of the Tibetan Plateau leads to the formation of the Sichuan–Yunnan block, which is the most representative active block in the southeastern margin of the Tibetan Plateau, characterized by strong and frequent seismicity(Li Ping et al., 1975; Zhang Peizhen et al., 2003; Li Yong et al., 2017). Its eastern boundary is composed of sinistral faults including the Xianshuihe, Xiaojiang faults, etc., and the western

New Discovery of the Late Triassic Terrigenous Sediments in the Great Xing＇＇an Range Region,NE China and its Geological Significance

Objective The Great Xing＇an Range is located in the eastern section of Central Asian Orogenic Belt（CAOB）.As a superposed position of multiple tectonic domains,its structural evoIlution has always been a focused issue of geological research.

New Discovery of Molar Tooth Structures in the Kangjia Formation at Benxi,Liaoning and its Significance

Objective The Jilin-Liaoning area has widely spread Meso- and Neoproterozoic sediments and is always a focused area for researching Precambrian geology. Previous study has achieved a series of results about Neoproterozoic stratigraphy in this area, but the lack of precise geochronological data and signs of stratigraphic correlation has resulted in the long controversial stratigraphic age and regional correlation. During recent years,

Diversity of New Three-Wave Solutions and New Periodic Waves for the (3 + 1)-Dimensional Kadomtsev-Petviashvili-Boussinesq-Like Equation

Based on the generalized bilinear method, diversity of exact solutions of the (3 + 1)-dimensional Kadomtsev-Petviashvili-Boussinesq-like equation is successfully derived by using symbolic computation with Maple. These new solutions, named three-wave solutions and periodic wave have greatly enriched the existing literature. Via the three-dimensional images, density images and contour plots, the physical characteristics of these waves are well described. The new three-wave solutions and periodic solitary wave solutions obtained in this paper, will have a wide range of applications in the fields of physics and mechanics.

Causes of Corruption in China's Rural Areas in the New Period and Countermeasures

In the new period,corruption in China's rural areas is becoming increasingly prominent. There is frequent occurrence of violation of laws and disciplines,such as the use of power for personal gain,and corruption and bribery. Main causes for the corruption in China's rural areas include imperfect rural supervision mechanism,imperfect financial system,and low crime cost. How to deal with the increasingly serious corruption situation is a topic faced at present and in the future. It is required to continue to reinforce the democratic supervision and education of village cadres,improve the comprehensive quality of villagers,and increase the crackdown and punishment of corrupt practices,so as to guarantee healthy operation of rural authorities.

On the Global Significance of XI Jinping＇s Thought on Socialism with Chinese Characteristics for a New Era

XI Jinping＇s thought on socialism with Chinese characteristics for a new era contains Chinesewisdom for the development of socialism in the world,Chinese experience of realizing modernization in adeveloping country,and Chinese solution to the global governing. It clarifies the theoretical puzzlement of ＂theend of history＂,＂the clash of civilizations＂and ＂Western centrism＂,so that it plays an important role inhuman intellectual history. Therefore,one should adopt an international vision and a global perspective tounderstand and evaluate the theoretical significance and practical value of XI Jinpings thought on socialismwith Chinese characteristics for a new era.

Construction of the Style of Study in Colleges and Universities in the New Period

The Nineteenth National Congress of the Communist Party of China has defined the mission of educating people for our educators.The style of study reflects the education philosophy,culture and spirit of a university from the inside to the outside. Starting from the present situation and existing problems of the construction of the style of study in colleges and universities in the new period,this paper puts forward some recommendations for the construction of the style of study in colleges and universities in the new period.

The Significance of the Historical Materialist View of Labor in the New Era

Labor has the core significance in the philosophy of historical materialism.Its concept of labor defines the nature of labor,affirms the decisive role of labor for human and social progress,demonstrates the form,intrinsic quality and inevitable result of labor under the capitalist economic system,and looks forward to the ultimate liberation of human beings brought by labor in Communist society in the future.The whole social life of each particular era is fundamentally determined by labor,and labor is the final basis for historical materialism to divide the times.In the new era of socialism with Chinese characteristics,historical materialism’s labor concept points out the fundamental way to realize individual value and all-round development,provides a reference path for the development of grassroots democracy,and guides the practice of realizing the great rejuvenation of the Chinese nation.

Innovation of Moral Education Mode in Agricultural and Forestry Colleges and Universities in the New Period

The moral quality of students in agricultural and forestry colleges and universities in the new period has a positive mainstream tendency,but at the same time there are some unavoidable problems. The instrumentalization of traditional moral education mode,mechanical preaching and the characteristics of knowledge education are the important reasons for the emergence of problems. The agricultural and forestry colleges and universities must realize the transformation and innovation of moral education mode,reshape the main position of moral education of college students,rebuild the core value of moral education which pays close attention to the growth of individual life,and reconstruct the way of realization of moral education in colleges and universities.

New Zircon U-Pb Ages of Granitic Rocks in Northeastern Jiagedaqi of the Da Hinggan Mountains and their Significance

Objective The research area is located in the north of the Xing＇an block and within the Ali River-Zhalantun granite belt in the eastern part of the Xingmeng orogenic belt. The geotectonic setting and geological evolution history of this area are complex with strong magmatic activity and extremely developed granite rocks. Since predecessors have not obtained accurate dating result, there is much controversy over the formation of granitic rocks. Therefore, this work conducted zircon U-Ph dating on alkali-feldspar granite and granite porphyry in the northeast of Jiagedaqi to provide age constraint. The age data shows that the forming age is the Early Cretaceous and provides age basis for the tectonic evolution of the Da Hinggan Mountains.

New Zircon U-Pb Age of Devonian Granites in the Niukutou Lead-Zinc Deposit, Qinghai Province and its Significance for Prospecting Blind Orebodies

Object The Eastern Kunlun Orogen(EKO), An important part of the Tethyan orogenic belt in the northern margin of the Qinghai–Tibet Plateau(Li et al., 2014; Ren Haidong et al., 2016), is a key area for geological research and mineral exploration(Li Bile et al., 2015). The Qimantag Mountain is located in middle segment of the EKO, which has experienced the Early Paleozoic and Late Paleozoic–Early

Clinical Significance of Preoperative Nutritional Risk Screening and Support in the Perioperative Period of Gastric Cancer Patients

Objective:To investigate the clinical value of using preoperative nutritional risk screening and support in gastric cancer patients.Methods:In this paper,70 gastric cancer patients selected from July 2017 to July 2020 treated in our hospital were grouped concerning the lottery method,and the reference group(n=35)used conventional nutritional support,while the experimental group(n=35)used preoperative dietary risk screening and support,comparing the clinical treatment differences between gastric cancer patients in the experimental group and the reference group.Results:After the intervention,IgA,IgM,IgG,serum albumin,complication rate,NRS score,hospitalization time and anal exhaust time of gastric cancer patients in the experimental group were compared with those in the reference group,P<0.05,and there was statistical validation analysis significance between the data indicators.P<0.05 for the comparison of IgA,IgM,IgG,serum albumin after the intervention and pre-intervention for gastric cancer patients in the experimental group and the reference group,with statistical validation analysis significance between the data indicators.Conclusion:Preoperative nutritional risk screening and support is of significant value in gastric cancer patients and can improve patients’nutritional status.

Palaeoclimatic Cycles, Global Environmental Changes and New Glacial Periods Induced by the Impact of Extraterrestrial Bodies

In terms of Earth\|Sun geometry, the Milankovitch theory has successfully explained most of the cyclic palaeoclimatic variations during the history of the Earth, especially in the Quaternary. In this paper, the authors suggest that the impact of extraterrestrial bodies on the Earth may be another mechanism to cause palaeoclimatic cycles, global environmental changes and new glacial periods. Based on geological and geochemical records in the boundary layers produced by six huge Cenozoic bolide\|impact events (65, 34, 15, 2.4, 1.1, 0.73 Ma B.P.), including those at 34, 15, 1.1 and 0.73 Ma B.P. which are represented by four famous tektite\|strewn fields, the process and mechanics of palaeoclimatic cycles and global environmental catastrophes induced by extraterrestrial impact are discussed in detail. Impact\|generated dust, soot and aerosol floating in the stratosphere could result in short\|term (<1 year), rapid drop in temperature immediately after impact. Through self\|regulation of the Earth’s climate system, the temperature at the surface slowly went up within 100a and maintained stable for a long time at 250K. If there were no other factors leading to the break\|down of the newly\|established equilibrium, a new glacial period would be initiated. Estimating from the thickness of \{δ\{\}\+\{13\}C\} and \{δ\{\}\+\{18\}O\} anomalies in sediments across the impact boundary layer and deposition rate, the duration of two stages of the palaeoclimate cycle in the form of cold weather—greenhouse effect—normal weather was 10\+4-10\+5a, respectively. The conclusion deduced from the above model is supported by palaeotemperature change recorded by oxygen isotope in sediments across the impact boundary layer.

Applicability evaluation of ERA5 wind and wave reanalysis data in the South China Sea

Wind and wave data are essential in climatological and engineering design applications.In this study,data from 15 buoys located throughout the South China Sea(SCS)were used to evaluate the ERA5 wind and wave data.Applicability assessment are beneficial for gaining insight into the reliability of the ERA5 data in the SCS.The bias range between the ERA5 and observed wind-speed data was-0.78-0.99 m/s.The result indicates that,while the ERA5 wind-speed data underestimation was dominate,the overestimation of such data existed as well.Additionally,the ERA5 data underestimated annual maximum wind-speed by up to 38%,with a correlation coefficient>0.87.The bias between the ERA5 and observed significant wave height(SWH)data varied from-0.24 to 0.28 m.And the ERA5 data showed positive SWH bias,which implied a general underestimation at all locations,except those in the Beibu Gulf and centralwestern SCS,where overestimation was observed.Under extreme conditions,annual maximum SWH in the ERA5 data was underestimated by up to 30%.The correlation coefficients between the ERA5 and observed SWH data at all locations were greater than 0.92,except in the central-western SCS(0.84).The bias between the ERA5 and observed mean wave period(MWP)data varied from-0.74 to 0.57 s.The ERA5 data showed negative MWP biases implying a general overestimation at all locations,except for B1(the Beibu Gulf)and B7(the northeastern SCS),where underestimation was observed.The correlation coefficient between the ERA5 and observed MWP data in the Beibu Gulf was the smallest(0.56),and those of other locations fluctuated within a narrow range from 0.82 to 0.90.The intercomparison indicates that during the analyzed time-span,the ERA5 data generally underestimated wind-speed and SWH,but overestimated MWP.Under non-extreme conditions,the ERA5 wind-speed and SWH data can be used with confidence in most regions of the SCS,except in the central-western SCS.

The comparison of altimeter retrieval algorithms of the wind speed and the wave period

With the launch of altimeter,much effort has been made to develop algorithms on the wind speed and the wave period.By using a large data set of collocated altimeter and buoy measurements,the typical wind speed and wave period algorithms are validated.Based on theoretical argument and the concept of wave age,a semi-empirical algorithm for the wave period is also proposed,which has the wave-period dimension,and explicitly demonstrates the relationships between the wave period and the other variables.It is found that Ku and C band data should be applied simultaneously in order to improve either wind speed or wave period algorithms.The dual-band algorithms proposed by Chen et al.(2002) for the wind speed and Quilfen et al.(2004) for the wave period perform best in terms of a root mean square error in the practical applications.

The Knees-Ankles-Toe in Cosmic Rays and the Periodic Table of Elementary Particles

This paper posits the discovery of the new elementary particles from the energy spectrum for the knees-ankles-toe of cosmic rays. The energy spectrum from 109 eV to 1020 eV appears to follow a single power law except few breaks at the knees-ankles-toe. The power index increases at the first knee and the second knee, and decreases at the ankle. Above 4 × 1019 eV, the power index increases as the “toe”. The fine structure of the cosmic ray spectrum shows that an ankle with decrease in power index is in between the first knee and the second knee, resulting in two knees, two ankles, and one toe. This paper posits that the knees-ankles-toe are explained by the very high-energy fermions and bosons in the periodic table of elementary particles that places all known leptons, quarks, gauge bosons, and the Higgs boson in the table with the calculated masses in good agreement with observed values. In the periodic table, some high-energy dimensional fermions (Fd where d= dimensional orbital number from 5 to 11) and bosons (Bd) are involved in the knees-ankles-toe. At the knees and the toe, some parts of the energies from the energy sources of cosmic rays are spent to generate Fd and Bd, resulting in the increase of power index. The ankles are the the middle points (midpoints) between the adjacent dimensional fermions and bosons. At a midpoint, the energy is too high to keep the thermally unstable high-energy dimensional particle,resulting in the decay and the decrease of power index. The calculated masses of B8, the midpoint, F9, the midpoint, and B9, are 1.7 × 1015, 2 × 1016, 2.4 × 1017, 2.8 × 1018, and 3.2 × 1019 eV, respectively, which are in good agreement with observed 3 × 1015, 2 × 1016, 3 × 1017, 3 × 1018, and 4 × 1019 eV for the first knee, the first ankle, the second knee, the second ankle, and the toe, respectively. The mass of F10 is 4.4 × 1021 eV beyond the GZK limit, so F10 and above are not observed.