共查询到20条相似文献,搜索用时 31 毫秒
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贾孟春 《基因组蛋白质组与生物信息学报(英文版)》1995,(1)
RegulationofC-FosmRNAExpressioninSertoliCellsbycAMP,Ca~(++),andproteinKinaseC-mediatedPathways¥JIAMeng-chun;(贾孟春);NeelakantaR?.. 相似文献
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环境胁迫下的昆虫-植物相互关系 总被引:14,自引:0,他引:14
环境胁迫下的昆虫-植物相互关系康乐(中国科学院动物研究所北京100080)Insect-PlantCorrelationUnderEnvironmentalStress¥,KangLe(InstituteofZoology,ChineseAcadem... 相似文献
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DynamicChangesofβTubulinduringtheResumptionofMeiosisofMouseOocyteLIUHui;(刘辉)CHENDa-yuan;(陈大元)(StateKeyLaoboratoryofReproducti... 相似文献
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云南锡兰莲属一新变种费勇(中国科学院昆明植物研究所,昆明650204)ANEWVARIETYOFNARAVELIAFROMYUNNANFeiYong(KunmingInstituteofBotany,ChineseAcademyofSciences,... 相似文献
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持续农业与中国的生态农业 总被引:6,自引:0,他引:6
持续农业与中国的生态农业李萍萍,章熙谷(南京农业大学农学系,210014)SustainableAgricultureandChina’sEcologicalAgriculture¥.LiPingping;ZhangXigu(NanjingAgricul-turalUniversity,210014).ChineseJournaJofEcolegy,1993,12(2):16-18.Thebackground,conceptandcharacteristicsofsustainableagriculturearediscussed,anditssimilaritiesanddifferencestoChina’secologicalagriculturearedescribed.It’sconsideredthatChina’secologicalagri-cultureisaconcretereflectionofsustainableagricultureandasuccessfulmodelforagriculturaldevelop-ment.Keywords:sustainableagricult 相似文献
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南山暖性次生针叶林的Fuzzy数学分类余小平(重庆师范学院生物系,630047)FuzzyNumericalClassificationofWarmSecondaryConiferousForestatNansanMountain¥.YuXiaoping(DepartmentofBiology,ChongqingTeachers’College,630047);ChineseJournalofEcology,1993,12(4):23-26.NumericalclassificationsaremadeformassonpinecommunitiesinwarmsecondarvconiferousforestatNansanmountain.Fuzzyaggregationanalysisisapplied,andsixasxoclationgroupsandtenassociationsareclassified.Theresultsofclassificationcoincidewithactualconditionsofvegetationresources.Keywords:association 相似文献
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曲周县饲料资源及其利用率的分析 总被引:2,自引:1,他引:1
曲周县饲料资源及其利用率的分析曹志平(北京农业大学生物学院,100094)FodderResourcesandTheirUtilizationEfficiencyInQuzhouCounty¥CaoZhipins(collegeofBiology,BeijingAgriculturatUniversity,Beijing100094)。ChineseJoumalEcofogy,1993,12(2):57-58.ThispaperanalyzesthecompositionstructureandnutrientcontentoffodderresourcesinQuzhoucountyandtheirconsumptionamountandutilizationratebyvariouskindsoflivestocks.Therelationshipbe-tweenfodderresourceandlivestockspopulationstructureisalsodiscussed.Keywords:fodderresource,livestockstructure,Quzhoucounty.1引言我 相似文献
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重庆地区“双千田”组合模式及效益分析郑钦玉,朱自均,胡声荣,袁可(西南农业大学,重庆630716)雷炎,李登国,程世宇,温永学,刘官堂(四川省巴县农业局)CombinationModelsof"TonGrainYieldingField"inChongqingAreaandTkeirBenefitAnalysis¥.ZhengQinyu;ZhuZhijun;HuShengrong;YuanKe(SouthwestAgriculturalUniversity,Chongqing630716),LeiYan,LiDengguo,ChengShiyu,WenYongxue,LiuGuantang(BaxianBureauofAgriculture,SichuanProvince).ChineseJoumalofEcolegy,1993,12(2):34—36.Inthelightoftheeffectsandproblemsofdevelopingwinter-croppingpaddyfieldsinChongqingareaandinordertosearchaftertheoptimummodelofref 相似文献
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氮磷钾肥施用对蔬菜中硝酸盐积累的数学模型 总被引:10,自引:0,他引:10
氮磷钾肥施用对蔬菜中硝酸盐积累的数学模型段咏新付庭治(徐州师范学院生物系,221009)(南京大学生物系,210008)MathematicalModelonNitrateAccumulationinVegetableafterApplyingN,PandKFertilizers¥DuanYongxin(DepartmentofBiology,XuzhouTeacher'sCollege,221009),FuTingzhi(DepartmentofBiology,NanjingUniversity,210008).ChineseJournalofEcology,1993,12(6):34-36.InThispaper,aregressionwodelonnitrateaccumulationinspirachisestablised,whichcanpredicttheaccumulationamountofnitrateunderdifferentapplicationratesofN,PandKfertilizers。Usingthismodel,thenitratecontentinspirachca 相似文献
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空气污染对植物病虫害的影响吴亚,金翠霞(江苏省农科院植物保护研究所,南京210014)EffectsofAtmospbericPollutiononPlantDiseasesandPests¥WuYa;JinCuixia(InstituteofPlantPro-tection,JiangsuAcademyofAgriculturalSciences,Nanjing210014).ChineseJournalofEcology,1993,12(6):49-53.Thispapersummarizestheeffectsofmainatmosphericpollutants,suchasO_3,SO_2,fluorides,acidrainetc.onplantpathogenicmicroorganisms;theeffectsofairpollutionontheoccuranceandinfestationofphytophagusinsects,andtheinfluencesofgreenhouseeffectofCO_2ontheoutbreakofpests。Keywords:atmospheri 相似文献
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祁连山植被水文效应的多层次Fuzzy综合评判 总被引:8,自引:0,他引:8
祁连山植被水文效应的多层次Fuzzy综合评判车克钧,傅辉恩(甘肃省张掖祁连山水源林研究所734000)Multiple-LevelFuzzyComprehensiveEvaluationonHydrologicalFunctionsofVegetationsontheQilianMountains¥.CheKejun;FuHuien(QilianMountainsInstituteofForestforWaterSourceConservation,Zhangye,GansuProvince734000).ChineseJournalofEcology,1993,12(3):31-35.BymeansofmuItiple-levelfuzzycomprehensiveevaluation,thehydrologicalfunctionsoffourvegetationtypesareanalyzed.PiceacrassifoliaforestisshowntobethebesttypeforwaterconservationonQilianmountains,Sabinaprzewlskiiforesta 相似文献
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信号肽疏水性的提高促进青霉素G酰化酶分泌 总被引:9,自引:0,他引:9
设计和合成了一段具有连续10仆亮氨酸强疏水核心的信号肽(artificial signal peptide,ASP),由EcoRI-KpnI位点融合到青霉素G酰化酶(penicillin Gacylase,PAC)信号肽(wild typesignal peptide,WTSP)的-4Pro位点,分别构建了PAC表达质粒:pKKpac△SP,pKKpacWTSP,pKKpacASP,pETpac 相似文献
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MPFInductionofMicrotubuleAssemblyatInterphaseKinetochoreofCHOCellsFENGMei;(冯梅)ZHANGHuan-xiang;(张焕相)WANGYong-chao;(王永潮)WANGYue... 相似文献
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发育起点温度的概念和应用问题 总被引:5,自引:0,他引:5
发育起点温度的概念和应用问题唐业忠,朱建国,况荣平(中国科学院昆明动物研究所,650223)OnTheConceptionandAppllcationoftheBaseTemperatureforDevelopment¥TangYezhong;ZhuJian-guo;Kuangrongping(KunmingInsiituteofZoology,AcademiaSinica,Kunming,650223).ChineseJournalofEcology,1993,12(6):70-72.Thispaperdealswiththeconceptsandapplicationsofthebasetemperaturefordevelopment.Itisfoundthattherearesomeconfusionsontheconceptsofthebasetemperatureofdevelopment,andparadoxbe-tweenthebasetemperatureforvariousdevelopingstagesandthewholegeneration.Therefore,itissug-ge 相似文献