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1.
The Expression of Nerve Growth Factor Receptor on Schwann Cells and the Effect of These Cells on Regeneration of Axons in Tra... 相似文献
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1 Source Thesequencewasdeterminedusingthe3′RACE(rapidamplificationcDNAends)RT PCRand 5′RACERT PCR product,whichwasligatedtothe pMD1 8 T 相似文献
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最近,阅读了曾在华西医科大学工作过的毛新先生在《美国人类遗传学杂志》(TheAmericanJournalofHumanGenetics)1998年第63卷第3期上发表的题为ChineseGeneticists′ViewsofEthicalIssuesinGeneticTestingandScreening:EvidenceforEugenicsinChina(pp688~695)的文章,颇有感触。其一,毛新先生试图展示中国存在Eugenics的证据。1998年8月在北京举行的第18届国际遗… 相似文献
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激光辐照对酿酒过程中优良根霉菌株选育的作用效应王瑞丽欧家鸣尚鹤龄杨卫平周汝敏许坤一余尊祥(云南师范大学物理系)(云南师范大学生物系)(昆明,云南650092)TheEfectsofLaserActingonRhizopusOryzoeforSelec... 相似文献
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中国东北西部地区土壤盐渍化演变及其防治的若干对策 总被引:8,自引:1,他引:7
中国东北西部地区土壤盐渍化演变及其防治的若干对策王春裕王汝镛(中国科学院沈阳应用生态研究所,110015)TheCharngeofSalinizedSoilandSomeCountermeasuresbyEcologyControlintheWest... 相似文献
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三峡库区移民生态研究思路 总被引:1,自引:1,他引:0
三峡库区移民生态研究思路李鹤鸣(华中师范大学地理系,武汉430070)EcolcaicalStudyonEmigrantsintheThrceGorgesReservoirArea¥LiHeming(HuaazhongNormalUni-verstiy,Wuhan430070).ChineseJournalofEcology,1993,12(5):61-64。ThesocialandecologicalstudyofemigrantsintheThreeGorgesreservoirareaisbecomingmoreandmoreimportantintheplanningofthisgreatkeywatercontrolproject.Withmovingprocessofemigrantsintheareaasaline,thispaterdealswiththepresentsituationsurrey,displacementanalysisandsettle-mentsitedesignningofthereservoirernigrantsastogiveapreliminaryresea 相似文献
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内蒙古白音敖包自然保护区沙地云杉林的基本特征,存在问题与解决途径 总被引:9,自引:1,他引:8
内蒙古白音敖包自然保护区沙地云杉林的基本特征、存在问题与解决途径徐文铎(中国科学院沈阳应用生态研究所,110015)BasicCharacteristics,ExistingProblemsandTheirSolutlonsforSpruceForestonSandlandofBaiyi-naobaoNaturalReserve,InneerMongolia¥XuWenduo(InstituteofAppliedEcology,AcademiaSinica,Shenyang1100l5)(ChineseJournalofEcology,1993,12(5):39-44.Spruceforestonsandlandisaspecialtypeofterrestrialforestecosystem,whichonlyexistsattheedgeoftheXiaotengelideserthInnerMongolia,Mongoliafloraisthedominantspeciesintheforest,whichalsoincludesXinganandNorthChinaflora,Thecomposi 相似文献
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1 Source ThesequenceoftheatpBgenewasdeter minedfromPCRproductofchloroplastgenomicDNAofPopulustomentosa .2 Nameanddescription ThecodonsequenceoftheatpBgeneofPopulustomentosais 1 497nucleotidelongthatencodes 498aminoacidsofATPasebetasubunitofchloroplast.ItsDNA… 相似文献
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Zhang Chunzhi Jin Fengxie Hisao Ohtake ** Kiyoshi TodaInstitute of Applied Microbiology of the University of Tokyo Department of Food Science Biotechnology Dalian College of Light Industry Baoding-Jie No. Zhongshan-Qu Dalian P. 《中国微生态学杂志》1999,(6)
Celluloseisthemostabundantnaturalbiopolymer.Howtoutilizeorhydrolyseitisaveryimportantprob-leminthefieldofbiotechnology.Sixstrains(JT)ofthermophilicanaerobicandcellulyticbacteriawereiso-latedfromcamelfeces,compost,soilandhotspringwa-terinJapan.Thesest… 相似文献
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昆虫胁迫下的植物应激反应模式 总被引:10,自引:0,他引:10
昆虫胁迫下的植物应激反应模式王海波(复旦大学生命科学学院,上海200433)TheStressReactionModelofPlauttoInsect’sPressure¥WangHaibo(DepartmentofBiology,FudanU-niversity,Shanghai200433);ChineseJournalofEcology,1993,12(6):46-48.Onthebasisofexperiments,anewsetofmodelsaboutplant’sintegrativereactionunderinsects’pres-sureisproposedThemodelscanbedividedintotwoparts:distinguishingreactionmodelandstressreac-tionmodel.TheformerpartindicatesthatplanthasonekindofconvergentphysioIogicalstressreactioninadversesituations,nospecialreactionofdistinguishinga 相似文献
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油松林带对径流的调节作用 总被引:2,自引:0,他引:2
油松林带对径流的调节作用王维华,朱劲伟(中国科学院沈阳应用生态研究所,110015)TheEffectofPinustabulaeformisSkelterbeltinRunoffRegulation¥WangWeihua;ZhuJinwei(InstituteofAppliedEcology,AcademiaSinica,Shmyang110015).ChineseJoumalofEcology,1993,12(6):17-20.TheroleofPinustabulaeformisshelterbeltinredistributionofatmosphereprecipitationisdemonstratedbyfieldmeasurementsonawaterbalancetrialfield.38.3%ofprecipitationwasinterceptedbythecanopy,Dominantfactorsinfluencingcanopyinterceptionarerainfallamountandrainfallintensity,Thesloperunoffgeneratedwas1 相似文献
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小麦醇溶蛋白盒结合因子基因启动子序列 总被引:2,自引:0,他引:2
1 Source Thesequencewasdeterminedfromare versePCRproduct,whichwasligatedtopMD1 8 Tvector(TaKaRaBiotechnologyCo .) ,fromnucleargenomicD 相似文献
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江苏宝华山栎林生态系统凋落物及其元素动态 总被引:2,自引:0,他引:2
江苏宝华山栎林生态系统凋落物及其元素动态梁珍海(江苏省林业科学研究所,南京211153)LitterfallanditsElementsDvnamicsinQuerousvariabilisEcosysteminBaohuashanofJiangsuProvince¥LiangZhenhai(ForestryResearchInstituteofJiangsuProvince,Nanjing211153).ChineseJournalofE-coloLry,1993,12(5):17-20。ThispaperpresentssomeaspectsofthecomprehensiveresearchonaQ,variabilisecosysteminBao-huashanNaturalReserveinJiangsuProvince,Theannuallitterfallamountis5359.5kg.ha ̄1inthise-cosvstemfrom1989to1990.withtwopeaksappearinginMayandNovernber.Thecontantsoffiveele-ments(N,P 相似文献
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丘陵地区农户生态系统演替分析 总被引:1,自引:1,他引:1
丘陵地区农户生态系统演替分析曹凑贵(华中农业大学,武汉430070)EvolutionaryAnalysisonHousekoldEcosysteminHIIIyRegions¥CaoCougui(CentralChinaAgriculdturalUniversity,Wuhan430070).ChineseJournalofEcology,1993,12(2):53-54.Thecharacteristicsofdifferenttypehouseholdecosystemsandtheirevolutionarycorrelationsareanalyzedusingfuzzyclusteringandsystemsyntheticevolutionmethods,Thecauseanddirectionofagriculturaldevelopmentinhillyregionsarerevealedandsuggestionsondevelopingeco-agriculturalconstructioninlowerproductivehillyregionsaremade.Keywords:ho 相似文献
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稻纵卷叶螟对杂交水稻及常规水稻的生态反应 总被引:6,自引:0,他引:6
稻纵卷叶螟对杂交水稻及常规水稻的生态反应钱希(国营黄海农场,江苏省响水县224624)EcologiealResponsesofRiceCasewormtoHybridRicesandTraditionalRices¥QianXi(TheStateFarmofYellowSea,XiangshuiCounty,Jiangsu,Province224624).ChineseJournalofEcology,1993,12(6):21-24.Tostudytheeffectofricecultivarsontheoviposition,emergence,wormdevelopmentandnaturalenemvparasitionofcasewormandlossescausedbythepest,observationshavebeenmadeon16ricecultivarsinHuanghaiStateFarminNorthernJiangsuprovince,wherecasewormgraduallybecomemoreandmorevi-olentsincethechangesincultiva 相似文献
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Chromatinismadeupofregularlyspacedsubunits,nucleosomes.Ineukaryoticcells,chromatinisassembledimmediatedlyafterDNAreplication,butincellfreesystems,itcanbeassembledindependentofDNAreplicationwhenexogenousDNAwasaddedtoeggoroocyteextractsofXenopuslaevis.The… 相似文献
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小麦高分子量麦谷蛋白亚基5基因序列 总被引:1,自引:0,他引:1
1 Source ThesequencewasdeterminedfromaPCRproduct,whichwasligatedtopMD1 8 Tvector(TaKaRaBiotechnologyCo.) ,fromnucleargenomicDNAof“che 相似文献
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TheenvelopeproteinofhepatitisBvirus(HBV)consistsofthreeproteins:small(S),middle(M)andlarge(L)[1].TheSproteincarriesalltheinformationrequiredforcellularlipidsmobilization,subviralparticleformationandsecretion.Ithasbeensuccessfullydevelopedasacarriertoexpressf… 相似文献
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温度对麦长管蚜的影响 总被引:6,自引:0,他引:6
温度对麦长管蚜的影响汪世泽,郝树广(西北农业大学陕西杨陵712100)EffectsofTemperatureonEnglishGrainAphid¥.WangShize;HaoShuguang(NorthwesternAgriculturalUniversity,Yangling,ShaanxiProvince712100).ChineseJournalofEcology,1993,12(3):53-56.InanexperimentalpopulationofEnglishgrainaphid,thedevelopmentrateV(t)ofalataeislowerthanthatofapterae,andtheV(t)of4thinstarofalataeistheIowest.Thealataeappearstobeabletotoler-ateawiderrangeoftemperature,butthesurvivalcurveisaffectedevidentlybyit.Atlowtemperature,thecurvedeclinesslowly,butathightemperature 相似文献