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显著提高大肠杆菌中外源基因表达产物可溶性的双顺反子表达载体pNJUTRX-1 总被引:1,自引:1,他引:0
TheexpressionofheterologousproteinsinEscherichiacolihasbecomeastandardtech niqueinmolecularbiology .E .coliexpressionsystemshavetheadvantagesofproductioneco nomicsandlogistics .TheseadvantageshavemadeE .coliexpressionsystemapopularchoicefortheproductionof… 相似文献
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Ma Shu |hua Wang Dun |cheng Shen Bei |fen Wang Sheng |qi . Institute of Radiation Medicine Academy of Military Medical Sciences B eijing . Institute of Basic Medical Sciences Academy of Military Medical Sciences Beijing 《武汉大学学报:自然科学英文版》2003,8(1):125-129
0 IntroductionLarge scalesequencingandtheapplicationofexpressedsequencetag(EST)technologyhasledtotheidentificationofhundredsandthousandsofgenomicsequencesfromvariousmicrobestomulticellulareukaryotesandplants[1,2 ] .ExpressionanalysisofeachknowngeneorESTusi… 相似文献
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白粉菌属(Erysiphe)的内蒙古新记录种与变种 总被引:2,自引:2,他引:2
产于赤峰地区的白粉菌属(Erysiphe)内蒙古新记录种11个、变种2个,即:E.adenophorae、E.arabidis、E.biocelata、E.cruchetianavar.hyalina、E.galeop-sidis、E.glycinesvar.lespedezae、E.heraclei、E.hommae、E.hyoscyami、E.knautiae、E.rabdosiae、E.sedi、E.trifoli. 相似文献
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IntroductionReferenceFreePartEncapsulationtechnique (RFPE)asanon traditionalfixturingtechniqueattractspeople sgreatattentionrecently .InRFPE ,theworkpieceisorientedbyspecificdieandthenimmersedinabathofmoltenfixturingalloywithlowermolt ingpointtoformastock… 相似文献
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Zhang Yibing 《上饶师范学院学报》1999,(6)
BecauseofwithoutEnglish-Spokensurroundings,ChinesestudentsfeelitisdifficultytolearnEnglishlanguage,especiallytheEnglishofspeci?.. 相似文献
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《辽宁师范大学学报(自然科学版)》1994,(2)
青岛地区水云目Ectocarpales藻类已知有12种,分属于2科7属:1.发状定孢藻Acinetosporacrinita;2.蜕尖水云Ectocarpusacutus;3.皮层水云E.corticulatus;4.钝圆水云△E.obtuosus;5.水云E.confervoides;6双囊水去E.dicystus;7不规则费氏藻Feldmanniairregularis;8.印度费氏藻F.indica;9.卵形褐茸藻Giffordiaovata;10栖松扭线藻Streblonemacodicola;11.聚果藻Sorocarpusmicromorus;12莱氏多孔藻”polytretusreinboldii.(为本地区新记录,A为我国首次报道.) 相似文献
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XIONG Guangleng LI Bohu CHEN Jiadong LI Jianming ZHANG Yuyun ZHU Wenhai BAI Shuqing 《清华大学学报》1999,4(2):1375-1385
IntroductionThe21stcenturyiscoming.Economiccompetitionisfierce.Everyareaofmanufacturingischalengedwithcontinualychanging,unpr... 相似文献
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ShiftEquivalenceImpliesTopologicalEquivalenceforSomeAnosovEndomorphisms*ZhangMeirong(章梅荣)DepartmentofAppliedMathematics,Tsing... 相似文献
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杨东占 《科技导报(北京)》1996,(9):40-42
产学研合作与建立健全技术创新体系研究ResearchonCooperationofEnterprises,UniversitiesandScientificResearchInstitutionsandEstablishmentofPerfectTe... 相似文献
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Introduction Since 196 0 s ,withthedetailedstudyoftransformationalgen erativegrammar,Englishteachinghasgraduallyabandonedthemechanicpatterndrillsusedinaural oralmethodin 195 0 s,andfocusedondevelopingstudents communicativecompetence .MoreandmoreEnglishteacher… 相似文献
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IntroductionEmodinisoneoftheanthraquinonecompounds[1] ,whichexistsinmanymedicalplantssuchasradix polygonimultiflori,rhizomapolygoni,etc .Emodinisanimportantcompoundinmedicine .Ithasmanybiologicalactivitiessuchasanti infection ,decreasingbloodlipidscontent ,e… 相似文献
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DamageofInterconnectsbyElectromigrationInducedSurfaceEvolution*ZhaoZhijun(赵智军),YangWei(杨卫)DepartmentofEngineeringMechanics,Ts... 相似文献
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Takingapanoramicviewofthetwistywayaboutthedevel opmentofthenon governmentalenterprisesofscienceandtechnol ogy (NGEST)inourcountry ,wehavenoticedtheindomitablevi talityandirresistiblepoweroftheseenterprises.NGESTworkwell,because,asasystem ,theirfunctioncomes… 相似文献
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潘兴国 《西安石油大学学报(自然科学版)》1994,(1)
总结经验提高效益开创低渗透油田开发新局面SumupExperience,RaiseEfficiencyandEconomicBenefitsandOpenupaNewProspectofDevelopingtheLowPermeabilityoil-... 相似文献
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LinZhenShan 《南京大学学报(自然科学版)》1999,(6):777-779
ByanalyzingallthedataofElNinoandthesolareclipsesfrom1948to1998,somecomplexrelationsbetweenthesolareclipsesandElNinoarefoundasfoll?.. 相似文献