State Administration for Market Regulation and Standardization Administration of China have approved the following 535 national standards and 2 national standards with amendment.
Selection and cultivation process of Taisi No.2 was introduced and a comparative test was conducted in 2008-2009.During 2010-2011,multiple-site tests were made,with production test and demonstration.The results indica...Selection and cultivation process of Taisi No.2 was introduced and a comparative test was conducted in 2008-2009.During 2010-2011,multiple-site tests were made,with production test and demonstration.The results indicated that yield of Taisi No.2 was higher compared with Wenling Baisigua.Furthermore,Taisi No.2 performed better in quality,commercial value,disease-tolerance and resistance.It is important to prepare work on cultivating strong seedlings,transplanting,strengthening fertilizer and water management,leading vine growth,timely harvest and disease prevention.展开更多
Songke Well No.2,one of the main part of the scientific drilling project in Songliao Basin,which was drilled 7018 m and acquired the part of cores continuously from the Low Cretaceous to the Carboniferous and the Perm...Songke Well No.2,one of the main part of the scientific drilling project in Songliao Basin,which was drilled 7018 m and acquired the part of cores continuously from the Low Cretaceous to the Carboniferous and the Permian from the 2843 m deep,can be considered as the deepest continental drilling project in Asia.Aiming at the features of longer well sections,larger diameters and multiple spud-ins for coring of Songke Well No.2,this project broke through the "coring in small diameter and reaming in large diameter"spud-in drilling-completion procedures which are always used in large-diameter-well coring for continental scientific drilling projects in domestic and overseas and the drilling method of short-singlecylinder roundtrip footage.At the same time,"coring in the same diameter and completing drilling at one single diameter"was achieved at all φ311 mm and φ216 mm coring sections of more than one thousand meters long,high-efficient operation with "drilling long footage with drill tools combined in multicylinders"was achieved at deep coring section.Four world drilling records were created which include more than a thousand meters continuous coring at φ311 mm,and the footage per roundtrip footage at φ311 mm,φ216 mm and φ152 mm is all more than 30 m,all of these breakthroughs reduced at least 300 days for this project;moreover,considering the characteristics of formations that the geothermal gradient is high in the drilled sections and the inside-well temperature is over 240℃ after drilling completion,a formate-polymer water-based mud system was developed by compounding attapulgite and sodium bentonite and by adding independently developed high-temperature stabilizer,which can provide critical technical support for successful well completion at 7018 m in the super-high-temperature environment It is the first time that the water-based mud is operated at the working temperature higher than 240℃ in China;Besides,considering the high-quality requirement on cores imposed by the project,the method "mechanical cored is charge"to discharge core nondestructively on the ground was worked out,and more than 4000 m scatheless cores were discharged out of the drill pipes while maintaining original stratum structures.展开更多
To elucidate the molecular response of shrimp hepatopancreas to white spot syndrome virus(WSSV) infection, microarray was applied to investigate the differentially expressed genes in the hepatopancreas of ‘Huanghai N...To elucidate the molecular response of shrimp hepatopancreas to white spot syndrome virus(WSSV) infection, microarray was applied to investigate the differentially expressed genes in the hepatopancreas of ‘Huanghai No. 2'(Fenneropenaeus chinensis). A total of 59137 unigenes were designed onto a custom-made 60 K Agilent chip. After infection, the gene expression profiles in the hepatopancreas of the shrimp with a lower viral load at early(48–96 h), peak(168–192 h) and late(264–288 h) infection phases were analyzed. Of 18704 differentially expressed genes, 6412 were annotated. In total, 5453 differentially expressed genes(1916 annotated) expressed at all three phases, and most of the annotated were either up-or down-regulated continuously. These genes function diversely in, for example, immune response, cytoskeletal system, signal transduction, stress resistance, protein synthesis and processing, metabolism among others. Some of the immune-related genes, including antilipopolysaccharide factor, Kazal-type proteinase inhibitor, C-type lectin and serine protease encoding genes, were up-regulated after WSSV infection. These genes have been reported to be involved in the anti-WSSV responses. The expression of genes related to the cytoskeletal system, including β-actin and myosin but without tubulin genes, were down-regulated after WSSV infection. Astakine was found for the first time in the WSSV-infected F. chinensis. To further confirm the expression of differentially expressed genes, quantitative real-time PCR was performed to test the expression of eight randomly selected genes and verified the reliability and accuracy of the microarray expression analysis. The data will provide valuable information to understanding the immune mechanism of shrimp's response to WSSV.展开更多
Hunyou No. 2 is a three-line hybrid rice suitable for mechanical seed pro- duction and developed by Rice Research Institute of Anhui Academy of Agricultural Sciences. It performs well in yielding, lodging resistance, ...Hunyou No. 2 is a three-line hybrid rice suitable for mechanical seed pro- duction and developed by Rice Research Institute of Anhui Academy of Agricultural Sciences. It performs well in yielding, lodging resistance, disease resistance, with a short duration of growth. Therefore, it is suitable to be grown in tropical areas and countries such as Myanmar and Indonesia. The male parent contains herbicide susceptible lethality gene and it is possible for mechanical mixed planting. The research analyzed performance of Hunyou No. 2 growth in Myanmar and the results showed that Hunyou No. 2 performed better in yield, panicle length, the number of seed per panicle, setting percentage, and thousand-seed weight than She thwe yin, as well as lodging resistance, disease resistance and quality. Some high-yielding cultivation measures have been concluded including sparsely sowing, densely planting, highlighting base fertilizers, and avoiding early water breaking.展开更多
Objective To explore the possible preventive mechanism of Hunan expert group recommended Chinese medicine prescription of No.2(Pre-No.2)against coronavirus disease 2019(COVID-19)by network pharmacology method.Methods ...Objective To explore the possible preventive mechanism of Hunan expert group recommended Chinese medicine prescription of No.2(Pre-No.2)against coronavirus disease 2019(COVID-19)by network pharmacology method.Methods The target proteins of effective components and active compounds in Pre-No.2 were screened by searching the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform(TCMSP).A component-target-disease interaction network of Pre-No.2 was constructed by Cytoscape 3.7.2,gene ontology(GO)analysis,and Kyoto encyclopedia of genes and genomes(KEGG)analysis of target protein pathway by DAVID.Results A total of 163 compounds and 278 target protein targets in Pre-No.2 were collected from the TCMSP database.Kaempferol,wogonin,7-methoxy-2-methyl isoflavone,formononetin,isorhamnetin,and licochalcone A were the most frequent targets in the regulatory network.GO enrichment analysis showed that Pre-No.2 regulated response to virus,viral processes,humoral immune responses,defense responses to virus and viral entry into host cells.KEGG enrichment analysis showed that the formula regulated the NF-κB signaling pathway,B cell receptor signaling pathway,viral carcinogenesis,T cell signaling pathway and FcγR-mediated phagocytosis signaling pathway.Conclusions Pre-No.2 may play a preventive role against COVID-19 through regulation of the Toll-like signaling,T cell signaling,B cell signaling and other signaling pathways.It may regulate the immune system to protect against anti-influenza virus.展开更多
This study was conducted to investigate the effects of different vine cuttings and provide a fast method for production of high-quality sweet potato seedlings.With short vine type‘Ganshu No.2'as an experiment mat...This study was conducted to investigate the effects of different vine cuttings and provide a fast method for production of high-quality sweet potato seedlings.With short vine type‘Ganshu No.2'as an experiment material,biological characteristics of sweet potato seedlings were investigated by setting three vine sections( the ingle-node section,dual-node section and three-node top bud section) using three kinds of substrates( red soil,leaf mould and pond sludge).The results showed that the dual-node vine section plus leaf mould treatment sprouted earliest( 3 d) with the highest survival rate( 86.6%),root number( 9.2 roots) and the longest root length( 5.9 cm),compared with other treatments.Therefore,dual-node vine section plus leaf mould plug seedling raising has the characteristics of short sprouting time,high survival rate and low cost.The method could provide seedlings in a short period( 20 d),improves sweet potato propagation coefficient and is worth extending and applying.展开更多
文摘State Administration for Market Regulation and Standardization Administration of China have approved the following 535 national standards and 2 national standards with amendment.
基金Supported by Key Programs for Science and Technology Development of Zhejiang (2009C2006-1-8)Taizhou Major Scientific Research Program(08KY02)~~
文摘Selection and cultivation process of Taisi No.2 was introduced and a comparative test was conducted in 2008-2009.During 2010-2011,multiple-site tests were made,with production test and demonstration.The results indicated that yield of Taisi No.2 was higher compared with Wenling Baisigua.Furthermore,Taisi No.2 performed better in quality,commercial value,disease-tolerance and resistance.It is important to prepare work on cultivating strong seedlings,transplanting,strengthening fertilizer and water management,leading vine growth,timely harvest and disease prevention.
文摘Songke Well No.2,one of the main part of the scientific drilling project in Songliao Basin,which was drilled 7018 m and acquired the part of cores continuously from the Low Cretaceous to the Carboniferous and the Permian from the 2843 m deep,can be considered as the deepest continental drilling project in Asia.Aiming at the features of longer well sections,larger diameters and multiple spud-ins for coring of Songke Well No.2,this project broke through the "coring in small diameter and reaming in large diameter"spud-in drilling-completion procedures which are always used in large-diameter-well coring for continental scientific drilling projects in domestic and overseas and the drilling method of short-singlecylinder roundtrip footage.At the same time,"coring in the same diameter and completing drilling at one single diameter"was achieved at all φ311 mm and φ216 mm coring sections of more than one thousand meters long,high-efficient operation with "drilling long footage with drill tools combined in multicylinders"was achieved at deep coring section.Four world drilling records were created which include more than a thousand meters continuous coring at φ311 mm,and the footage per roundtrip footage at φ311 mm,φ216 mm and φ152 mm is all more than 30 m,all of these breakthroughs reduced at least 300 days for this project;moreover,considering the characteristics of formations that the geothermal gradient is high in the drilled sections and the inside-well temperature is over 240℃ after drilling completion,a formate-polymer water-based mud system was developed by compounding attapulgite and sodium bentonite and by adding independently developed high-temperature stabilizer,which can provide critical technical support for successful well completion at 7018 m in the super-high-temperature environment It is the first time that the water-based mud is operated at the working temperature higher than 240℃ in China;Besides,considering the high-quality requirement on cores imposed by the project,the method "mechanical cored is charge"to discharge core nondestructively on the ground was worked out,and more than 4000 m scatheless cores were discharged out of the drill pipes while maintaining original stratum structures.
基金the Central Public-interest Scientific Institution Basal Research Fund, CAFS (No. 2016HY-ZD04)the National Natural Science Foundation of China (No. 31372523)+2 种基金the Scientific and Technological Innovation Project Financially Supported by Qingdao National Laboratory for Marine Science and Technology (No. 2015ASKJ02-03)the Taishan Scholar Program For Seed Industry, the Shandong Provincial Natural Science Foundation (No. ZR2014CQ001)the Special Fund for Postdoctoral Innovative Project of Shandong Province, and Central Public-Interest Scientific Institution Basal Research Fund of the Yellow Sea Fisheries Research Institute (Nos. 2060302013036 and 20603022015013)
文摘To elucidate the molecular response of shrimp hepatopancreas to white spot syndrome virus(WSSV) infection, microarray was applied to investigate the differentially expressed genes in the hepatopancreas of ‘Huanghai No. 2'(Fenneropenaeus chinensis). A total of 59137 unigenes were designed onto a custom-made 60 K Agilent chip. After infection, the gene expression profiles in the hepatopancreas of the shrimp with a lower viral load at early(48–96 h), peak(168–192 h) and late(264–288 h) infection phases were analyzed. Of 18704 differentially expressed genes, 6412 were annotated. In total, 5453 differentially expressed genes(1916 annotated) expressed at all three phases, and most of the annotated were either up-or down-regulated continuously. These genes function diversely in, for example, immune response, cytoskeletal system, signal transduction, stress resistance, protein synthesis and processing, metabolism among others. Some of the immune-related genes, including antilipopolysaccharide factor, Kazal-type proteinase inhibitor, C-type lectin and serine protease encoding genes, were up-regulated after WSSV infection. These genes have been reported to be involved in the anti-WSSV responses. The expression of genes related to the cytoskeletal system, including β-actin and myosin but without tubulin genes, were down-regulated after WSSV infection. Astakine was found for the first time in the WSSV-infected F. chinensis. To further confirm the expression of differentially expressed genes, quantitative real-time PCR was performed to test the expression of eight randomly selected genes and verified the reliability and accuracy of the microarray expression analysis. The data will provide valuable information to understanding the immune mechanism of shrimp's response to WSSV.
基金Supported by International S&T Cooperation Plan of Anhui Province(1503062031)S&T Innovation Team of Anhui Academy of Agricultural Sciences(15C0108)+1 种基金Key Project for Anhui Province during the 13thFive-year Plan(1604a0702008)Special Fund for Agro-scientific Research in the Public Interest(201503130)~~
文摘Hunyou No. 2 is a three-line hybrid rice suitable for mechanical seed pro- duction and developed by Rice Research Institute of Anhui Academy of Agricultural Sciences. It performs well in yielding, lodging resistance, disease resistance, with a short duration of growth. Therefore, it is suitable to be grown in tropical areas and countries such as Myanmar and Indonesia. The male parent contains herbicide susceptible lethality gene and it is possible for mechanical mixed planting. The research analyzed performance of Hunyou No. 2 growth in Myanmar and the results showed that Hunyou No. 2 performed better in yield, panicle length, the number of seed per panicle, setting percentage, and thousand-seed weight than She thwe yin, as well as lodging resistance, disease resistance and quality. Some high-yielding cultivation measures have been concluded including sparsely sowing, densely planting, highlighting base fertilizers, and avoiding early water breaking.
基金funding support from the Scientific Research Fund of Hunan Administration of TCM(No.KYGG06,No.KYGG07)。
文摘Objective To explore the possible preventive mechanism of Hunan expert group recommended Chinese medicine prescription of No.2(Pre-No.2)against coronavirus disease 2019(COVID-19)by network pharmacology method.Methods The target proteins of effective components and active compounds in Pre-No.2 were screened by searching the Traditional Chinese Medicine Systems Pharmacology Database and Analysis Platform(TCMSP).A component-target-disease interaction network of Pre-No.2 was constructed by Cytoscape 3.7.2,gene ontology(GO)analysis,and Kyoto encyclopedia of genes and genomes(KEGG)analysis of target protein pathway by DAVID.Results A total of 163 compounds and 278 target protein targets in Pre-No.2 were collected from the TCMSP database.Kaempferol,wogonin,7-methoxy-2-methyl isoflavone,formononetin,isorhamnetin,and licochalcone A were the most frequent targets in the regulatory network.GO enrichment analysis showed that Pre-No.2 regulated response to virus,viral processes,humoral immune responses,defense responses to virus and viral entry into host cells.KEGG enrichment analysis showed that the formula regulated the NF-κB signaling pathway,B cell receptor signaling pathway,viral carcinogenesis,T cell signaling pathway and FcγR-mediated phagocytosis signaling pathway.Conclusions Pre-No.2 may play a preventive role against COVID-19 through regulation of the Toll-like signaling,T cell signaling,B cell signaling and other signaling pathways.It may regulate the immune system to protect against anti-influenza virus.
基金Supported by Jiangxi Science and Technology Achievement Transformation and Extension Program(20161BBI90039)Jiangxi Special Fund for Agro-scientific Research in the Collaborative Innovation(JXXTCX201704)
文摘This study was conducted to investigate the effects of different vine cuttings and provide a fast method for production of high-quality sweet potato seedlings.With short vine type‘Ganshu No.2'as an experiment material,biological characteristics of sweet potato seedlings were investigated by setting three vine sections( the ingle-node section,dual-node section and three-node top bud section) using three kinds of substrates( red soil,leaf mould and pond sludge).The results showed that the dual-node vine section plus leaf mould treatment sprouted earliest( 3 d) with the highest survival rate( 86.6%),root number( 9.2 roots) and the longest root length( 5.9 cm),compared with other treatments.Therefore,dual-node vine section plus leaf mould plug seedling raising has the characteristics of short sprouting time,high survival rate and low cost.The method could provide seedlings in a short period( 20 d),improves sweet potato propagation coefficient and is worth extending and applying.
