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1.
Microdialysisisarelativelynewbioanalyticalsamplingtechniquewithremarkablepotential.Initiallythetech niquewasdevelopedforfollowingneurotransmitterreleaseinthebrain[1 ] .Nowadays ,ithasbeenextendedtouseinmanyfieldsincludingpharmacokinetic[2 ] ,toxicology[3] ,bio… 相似文献
2.
Biosynthesis of Polyhydroxyalkanoates Consisting of Short-chain-length Monomers and Medium-chain-length Monomers by Pseudomonas YS1 总被引:3,自引:0,他引:3
IntroductionPolyhydroxyalkanoates(PHAs)areafamilyofbiopolyestersynthesizedbymanybacteria[1,2 ] .AmongPHAs ,polyhydroxybutyrateorPHBisthemostcommonmember[3] .AttemptshavebeenmadetodevelopcommercialfermentationprocessesfortheproductionofPHAs[4 7] .Biopol,acommerci… 相似文献
3.
Production of Medium Chain Length Polyhydroxyalkanoates by Pseudomonas mendocina 0806 from Related and Unrelated Carbon Sources 总被引:1,自引:0,他引:1
IntroductionPolyhydroxyalkanoates (PHAs)areafamilyofintracellularbiopolymerssynthesizedbymanybacteriaascarbonandenergystoragecompounds[1,2 ] .AttemptshavebeenmadetoproducesomeofthePHAsforapplicationasbiodegradableplastics[3 5] .PHAscanbebroadlydividedintotwog… 相似文献
4.
Liang Feng Wu Xiao |jun Wu Cheng |tai College of Chemistry Molecular Sciences Wuhan University Wuhan Hubei China 《武汉大学学报:自然科学英文版》2003,8(1):105-106
Inourpreviouspaper[1] ,thesynthesisof3,13 dihydroxyl 1,5 ,8,11,15 ,18 hexaazacyclicaminehexahydrobromidehasbeenreported .Thecrystalstructureofthiscompound (Fig .1)hasbeendeterminedbysingle crystalX raydiffraction[2 ] .RecentlytheNMRmethodswerealsousedtoinvestigatethesteri… 相似文献
5.
Wu Da |wei Peng Li |li Lu Ning Peng You |gui .Wuhan University Honor Advanced Material Company Wuhan Hubei China .School of Physics Technology Wuhan University Wuh an Hubei China 《武汉大学学报:自然科学英文版》2003,8(1)
0 IntroductionC3N4 isanewlydevelopedsuperhardcoatingmaterial.Itwaspredictedbytheorytohaveahardnessthatcanbecomparabletoorevenexceedingthatofdiamond[1 4 ] ,whichcausestheattentionofmanyscientists.Fujimoto[5] depositedC3N4 coatingsonWCsubstratesbyIonAssistedDyna… 相似文献
6.
IntroductionThecardinalityofafuzzysetisoneoftheproblemsthathavebeeninterestedinfuzzystatisticsduetoitsvarietyofapplication .Forexampleininsuranceactuary ,thefuzzysetofpeopleinthethirdstateisrelatedtothecardinality[1] .Alsothecardinalityiscloselyrelatedto… 相似文献
7.
Fiber Migration and Distribution of Twist at Different Radial Positions of Rotor Yarn-by Hi-Scope Video Microscope System 总被引:2,自引:0,他引:2
BackgroundIntheearly 195 0s,MortonandYen[1] developedthefibertracingmethodintheyarn .Theymixedsomedyedfibersintoyarnbeforecarding ,anddippedtheyarninachemicalreagentwithsimilarrefractiveindextoobservethedyedfibersintheyarnunderthemicroscope .Theconceptoffibe… 相似文献
8.
IntroductionIonexchangeisthemostfrequentlyusedchromatographictechniquefortheseparationandpurificationofchargedbiomolecules ,especiallywhereasmallamountofproteinistobeextractedfromalargevolume[1 3] .Gelfiltrationisatechniquethatcannotonlyseparateproteins ,… 相似文献
9.
Soundspeedintheoceanmaybeaffectedbyinternalwave ,mesoscalestructure ,etc .Thisintro ducesaperiodicrange -dependentperturbationoverthesoundspeedintheraysysteminunderwateracoustics[1,2 ] .Theinfluenceofthisperturbationontheraybehaviorwasstudiedbasedontheparabo… 相似文献
10.
IntroductionEmodinisoneoftheanthraquinonecompounds[1] ,whichexistsinmanymedicalplantssuchasradix polygonimultiflori,rhizomapolygoni,etc .Emodinisanimportantcompoundinmedicine .Ithasmanybiologicalactivitiessuchasanti infection ,decreasingbloodlipidscontent ,e… 相似文献
11.
IntroductionSincethelate 1970salargenumberofstudieshaveconsideredirrigationschedulinginirrigationmanagement[1- 7] andithasbeenshownthatefficientand profitableirrigationschedulingstrategiesareneeded ,particularlywherewateravailableforirrigationislimited .Inno… 相似文献
12.
IntroductionPolyhydroxyalkanoates (PHAs)areafamilyofintracellularbiopolymerssynthesizedbymanybacteriaasintracellularcarbonandenergystoragecompounds[1] .PHAshaveawiderangeofphysicalpropertiesrangingfrombrittletoflexibletoelastic ,dependingontheirmonomerstr… 相似文献
13.
IntroductionTraditionalmethodofinspectingandmonitoringyarnqualityincottontextileindustryisprocessedoff lineinlaboratory .Testresultsareanalyzedbymantogetproductsqualityinformationandadjustmachinesmanuallywhenproblemsarefound[1,2 ] .Thiskindofoff linetestwa… 相似文献
14.
Antibacterial Effects of Silver Loaded Hydroxyapatite 总被引:6,自引:0,他引:6
IntroductionIthaslongbeenknownthatsilveranditscompoundhavestronginhibitoryandbiocidaleffectsonbacteria[1] .SpadarofoundthatsilverionhadabiocidaleffectonasmanyassixteenkindsofbacteriaincludingEscherichiacoliandStaphylococcusaureus.Thismeansthatithasabroa… 相似文献
15.
刘丽英 《东华大学学报(英文版)》2002,19(3)
IntroductionClothingisanintegralpartofhumanlife ,andanunderstand ingoftheroleofclothinginthethermalbalanceofthehumanbodyandthermalcomfortundersteady stateconditionshasdevel opedoverthepastfewyears[13 ] .Thehumanbodyisrarelyinathermalsteadystate,butiscontin… 相似文献
16.
BR促进滇紫草培养细胞生长和色素形成的研究 总被引:1,自引:0,他引:1
Brassinolide (BR)canstimulatethecellelongationanddivisionatnanomolarlevelswhenappliedtoaplant .Itcanpromoteelongationofepicotyld ,hypocotyls ,mesocotylsandcoleop tiles .Thiseffectwasfoundtobeaccompaniedbyastimulationofprotonextrusionfromthecell[1] ,whichissi… 相似文献
17.
0 IntroductionCalixarenesandtheirderivativeshaveattractedgreatinterestinhost guestchemistry .Theyarenotedfortheirabilitytoformhost guestcomplexesbytrappingorganiccompounds,smallions ,andgasesintheirtoruslikecavitiesaswellastomimicenzymefunctions[1] .Theyca… 相似文献
18.
Yang Yan He Chu Liao Ya |li Cao Yang Qin Qian |qing .School of Electronic Informatio n Wuhan University Wuhan Hubei China .The State Key Laboratory of Cartographical Remote Sensing Information Engineering Wuhan Univer sity Wuhan Hubei China 《武汉大学学报:自然科学英文版》2003,8(1):74-76
0 IntroductionLiftingschemeasintroducedbyW .Sweldens[1] in 1996 ,isanewwayofconstructingwavelettransformthatnotnecessarilybasedontranslatesanddilatesofonefunction .LiftingallowstheconstructionofwaveletsentirelyinthespatialdomainwithoutmakinguseoftheFouriertr… 相似文献
19.
Zheng Li |zhi Xiao Bo |xun Zhu Guo |qiang Yang Zi |jie . School of Electronic Information W uhan University Wuhan Hubei Chi na .Institute of Changjiang Engineering Geophysics Exploration Changjiang Water Resources Commission Wuhan Hubei China 《武汉大学学报:自然科学英文版》2003,8(1):69-73
RecentlyimpulseGroundPenetratingradars (GPRs)arewidelyappliedtodetecttheburiedobjects[1] .WhenGPRsisusedtodetecttheshallowlyburiedobjects ,thedistancebetweentheobjectsandtheantennaapproximatelysatisfythefarfieldconditionofthecentralfrequency.Ifwedesignthe… 相似文献
20.
Yao Duan |zheng Xiong Gui |guang School of Physics Techno logy Wuhan University Wuhan Hu bei China 《武汉大学学报:自然科学英文版》2003,8(1):51-53
0 IntroductionThird harmonicgeneration (THG )imaginghasbeendemonstratedrecentyearsinbiologicaltissues[1,2 ] .OnedistinctadvantageofTHGimagingcomparingwithfluorescenceimagingisthatitcanproceedwithouttheneedtolabelthebiologicaltissueswithappropriateprobes .And… 相似文献