Xov Xwm Tuam Txhab
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Kaum qhov yuam kev hauv kev siv cov kua mobile theem!
Lub sijhawm txawb yog sib npaug rau cov kua theem ntawm cov ntshav, thiab muaj ntau yam uas yuav tsum tau them sai sai rau thaum siv. Ntawm lawv, muaj qee qhov "pitfalls" uas yuav tsum tau them sai sai rau. 01. Ntsuas pH ntawm lub xov tooj ntawm tes tom qab ntxiv cov kuab tshuaj organic Yog koj mea...Nyeem ntxiv -
Cov cwj pwm tsis zoo hauv chav kuaj, koj muaj pes tsawg tus?
Cov cwj pwm tsis zoo thaum lub sij hawm sim 1. Thaum ntsuas los yog ntsuas cov qauv, sau cov ntaub ntawv rau ntawm daim ntawv kos ua ntej, thiab tom qab ntawd luam rau hauv phau ntawv tom qab ua cov qauv tiav; Qee lub sij hawm cov ntaub ntawv tau sau nyob rau hauv uniformly tom qab qhov kev sim ua tiav; 2. Rau cov kauj ruam uas yuav tsum tau t...Nyeem ntxiv -
17 lub chaw kuaj tshuaj lom neeg tshaj plaws, tsis txhob txhawj!
DMSO DMSO yog dimethyl sulfoxide, uas muaj ntau yam kev siv. Nws yog siv los ua ib qho hnyav rau acetylene, aromatic hydrocarbons, sulfur dioxide thiab lwm yam gases, nrog rau cov kuab tshuaj rau acrylic fiber spinning. Nws yog ib qho tseem ceeb heev uas tsis yog-protonic polar solvent uas yog soluble nyob rau hauv ob qho tib si wa ...Nyeem ntxiv -
Kev ceev faj rau cov koob txhaj tshuaj - Ua kua theem
\1. Thaum siv phau ntawv txhaj tshuaj rau kev txhaj tshuaj, cov koob txhaj tshuaj yuav tsum tau muab ntxuav nrog rab koob ntxuav ua ntej thiab tom qab txhaj tshuaj. Cov koob tshuaj ntxuav feem ntau yog xaiv los ua cov kuab tshuaj tib yam li cov qauv tshuaj. Cov koob txhaj tshuaj yuav tsum tau ntxuav nrog cov qauv solutio ...Nyeem ntxiv -
Kev cuam tshuam ntawm capillaries ntawm HPLC sib cais
Yog tias HPLC system siv txoj kev sib txuas tsis tsim nyog lossis tsis raug daim ntawv thov capillary, nws yuav ua rau tsis zoo ncov dav dav, thiab qhov kev pom zoo ntawm kev sib cais ntawm kab chromatographic tsis yog lo lus nug. Tej zaum nws yuav tshwm sim tias qhov thinner lub kem siv, ntau dua lub broa ...Nyeem ntxiv -
Kev ceev faj thiab kev siv tsis raug thaum siv Cap crimper
Hauv chav kuaj, siv Cap crimper yog ib qho kev ua haujlwm ntau heev, tab sis yog tias nws tsis siv kom raug, nws yuav ua rau kev sim tsis ua haujlwm lossis kev sib tsoo. Cov hauv qab no qhia txog kev ceev faj thiab kev siv tsis raug thaum siv Cap crimper. 1. Kev ceev faj thaum siv Cap crimper: (1) Xaiv lub r...Nyeem ntxiv -
Qhia siv kab lis kev cai tais diav
Ib lub tais kab lis kev cai yog iav lossis yas puag ncig lub nkoj siv los tuav cov kab lis kev cai nruab nrab lossis cov kab lis kev cai agar khoom nruab nrab rau kab lis kev cai ntawm tes. Cov kab lis kev cai tais diav muaj hauv qab thiab ib lub hau. Nws yog ib qho khoom siv tshuaj siv los ua kab mob kab mob. Cov khoom tseem ceeb yog iav los yog yas. Qhov kev ntxhib los mos ntawm cov kab lis kev cai ...Nyeem ntxiv -
Koj puas tau xaiv tus qauv zoo vial? Tsuas yog nyeem tsab xov xwm no.
Rau kev sim tshuaj, tag nrho cov txiaj ntsig tau ua tiav, uas suav nrog cov qauv khaws cia thiab kuaj cov teeb meem; thiab yuav ua li cas xaiv tus qauv vial raws li cov khoom ntawm koj tus kheej cov qauv, zoo dua tsis txhob sim ua yuam kev, thiab txuag nqi. Cov vials muaj xws li txhaj tshuaj vials, headspace vials, storag ...Nyeem ntxiv -
Kev siv thiab tu ntawm micro-injector
Lub micro-injector tsuas yog muab kev txhaj tshuaj ua kua rau cov roj chromatographs thiab kua chromatographs. Nws yog ib feem tseem ceeb ntawm txoj kev sim. Nws yog tshwj xeeb tshaj yog haum rau roj chromatographs thiab kua chromatographs rau cov kua tshuaj ntsuam xyuas. Nws yog indispensable precision nyob rau hauv ...Nyeem ntxiv -
Lub hauv paus ntsiab lus thiab Kev Siv Khoom Siv Phaj Extraction (SPE)
Khoom theem rho tawm (SPE) yog cov qauv npaj cov txheej txheem uas siv cov khoom adsorbent, feem ntau yog nyob rau hauv daim cartridge los yog 96-zoo phaj, kom adsorb tej yam khoom nyob rau hauv ib tug tov. Cov txheej txheem rho tawm yog siv los cais cov tshuaj hauv ib qho qauv lossis los ntxuav cov qauv ua ntej kev tshuaj xyuas. Thaum ib qho piv txwv ...Nyeem ntxiv -
Yuav ua li cas xaiv lub syringe lim
Lub hom phiaj tseem ceeb ntawm cov syringe lim yog lim dej thiab tshem tawm cov khoom, sediments, microorganisms, thiab lwm yam. Lawv tau siv dav hauv biology, chemistry, environmental science, tshuaj thiab tshuaj. Cov lim no tau txais tos dav rau nws cov txiaj ntsig zoo lim dej, yooj yim thiab ua tau zoo ...Nyeem ntxiv -
Khoom Taw Qhia Kev Xaiv | Yuav ua li cas xaiv ib tug haum centrifuge raj?
Kev siv tshuab centrifugation feem ntau yog siv rau kev sib cais thiab kev npaj ntawm ntau yam kev kuaj lom. Raws li ib qho khoom siv tseem ceeb rau kev sim centrifugation, cov raj centrifuge muaj qhov sib txawv thiab kev ua tau zoo, thiab qhov sib txawv kuj loj heev. Yog li dab tsi peb yuav tsum them ...Nyeem ntxiv