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I-Microbial metaproteomics : ukusuka kwisampula yokucubungula, ukuqokelela idatha ukuya kuhlalutyo lwedatha
Wu Enhui, Qiao Liang * iSebe leKhemistry, iYunivesithi yaseFudan, iShanghai 200433, i-China Microorganisms inxulumene ngokusondeleyo nezifo zabantu kunye nempilo. Indlela yokuqonda ukubunjwa koluntu lwe-microbial kunye nemisebenzi yabo ngumba omkhulu ekufuneka ufundwe ...Funda ngokugqithisileyo -
Iimpazamo ezilishumi eziqhelekileyo ekusetyenzisweni kwezigaba ezijikelezayo zolwelo!
Isigaba esihambahambayo silingana nesigaba segazi legazi , kwaye kukho izinto ezahlukeneyo zokubeka ingqalelo ngexesha lokusetyenziswa. Phakathi kwazo kukho “imigibe” ekufuneka iqwalaselwe. 01. Ukulinganisa i-pH yesigaba esihambahambayo emva kokongeza i-solvent ye-organic Ukuba uthetha ...Funda ngokugqithisileyo -
Imikhwa emibi eqhelekileyo elabhoratri, mingaphi onayo?
Imikhwa emibi ngexesha lovavanyo 1. Xa ulinganisa okanye ulinganisa iisampulu, bhala idatha kwiphepha lokukrwela kuqala, uze uyikhuphele kwincwadi yamanqaku emva kokuba isampuli yenziwe; ngamanye amaxesha iirekhodi zizaliswe ngokufanayo emva kokuba uvavanyo lugqityiwe; 2. Ngamanyathelo afuna uku...Funda ngokugqithisileyo -
Isisombululo se-reagent "yikrele elintlangothi-mbini", kwaye ibhotile yebhotile yokhuseleko yakha ukhuseleko
Izinyibilikisi zereagent zizixhobo zabasebenzi baselabhoratri kwaye zikwangumthombo weengozi zokhuseleko. Ubume beLabhoratri: 1. Ukusetyenziswa kwenani elikhulu lezinto ezinyibilikayo eziphilayo kubangela ukuguquguquka kwe-solvent; 2. Akukho manyathelo okhuseleko okhuseleko, ivumba linamandla, kwaye lichaphazela impilo yabasebenzi; 3. I...Funda ngokugqithisileyo -
I-17 eyona nto inetyhefu reagents zaselabhoratri, musa ukungakhathali!
I-DMSO DMSO yi-dimethyl sulfoxide, enoluhlu olubanzi lokusetyenziswa. Isetyenziswa njengesinyibilikisi se-acetylene, ii-hydrocarbons ezinuka kamnandi, i-sulphur dioxide kunye nezinye iigesi, kunye ne-solvent ye-acrylic fiber spinning. Sisinyibilikisi sepolar esingeyoprotonic esibaluleke kakhulu esinyibilika kuzo zombini...Funda ngokugqithisileyo -
Umahluko phakathi kweNayiloni 6 kunye neNayiloni 66
Yintoni iNayiloni yesi-6 kunye neNayiloni 66 Inayiloni yesi-6 kunye nenayiloni engama-66 zezona mveliso ziphambili zenayiloni. Inayiloni yomelele kwaye ayigugi, kwaye amandla ayo anokuthelekiswa nalawo ocingo lwentsimbi lobukhulu obufanayo; I-15% yenayiloni exutywe eboyeni inokunyusa ukuxhathisa ukunxiba ngamaxesha angama-3.5; ngaphandle kwe-polypropylene ...Funda ngokugqithisileyo -
Ukusetyenziswa ngokuchanekileyo kunye namanyathelo eflask yevolumetric
Iiflaski zeVolumetric zisetyenziselwa kakhulu ukulungiselela ngokuchanekileyo izisombululo zoxinzelelo oluthile. Ziyibhotile yeglasi ecekethekileyo emile okwepere, enomzantsi esicaba enento yokumisa umhlaba. Kukho uphawu entanyeni yebhotile. Xa ulwelo ebhotileni lufikelela uphawu kwiqondo lobushushu elichaziweyo, yayo...Funda ngokugqithisileyo -
Yintoni ikholamu yeHLB SPE
Yintoni i-HLB SPE ikholamu yeBond Elut HLB (Hydrophile-Lipophile Ibhalansi) yinto esebenzayo, eguquguqukayo eqinileyo yesigaba sokutsalwa (SPE) i-sorbent eyenziwe kwi-monodisperse divinylbenzene kunye ne-N-vinylpyrrolidone copolymers ngokwemilinganiselo ethile. Le sorbent ephezulu ibonelela ngogcino olubalaseleyo loluhlu olubanzi ...Funda ngokugqithisileyo -
Iziseko zeGC
1. Umgaqo-siseko we-chromatography yegesi I-Chromatography, ebizwa ngokuba yi-layer analysis, iteknoloji yokwahlukana ngokomzimba. Umgaqo wokuhlukana kwe-Ader kukusabalalisa amacandelo kumxube phakathi kwezigaba ezibini. Inqanaba elinye limile kwaye libizwa ngokuba linqanaba lokumisa. Esinye isigaba se...Funda ngokugqithisileyo -
Iingcebiso zokuSebenza kweGC
Ukufudumeza kwe-1 Ngenxa yabavelisi abahlukeneyo kunye nomgangatho weechromatographs zegesi, iindlela zokubeka ubushushu nazo zihluke. Ukuseta iqondo lobushushu usebenzisa indlela yokuseta i-microcomputer okanye indlela yokukhetha ukucofa, iqhele ukuseta inombolo ngqo okanye ukhethe i-appropr...Funda ngokugqithisileyo -
Iikepusi ezahlukeneyo
Kukho iintlobo ezintathu zee-caps ezifumanekayo kwii-vials zesampuli: ii-crimp caps, i-bayonet caps, kunye ne-screw caps. Indlela yokutywina nganye ineengenelo zayo. 1. Ikepusi yecrimp Ikepusi yecrimp incudisa i-septum phakathi komphetho weglasi yeglasi kunye nekepusi yealuminiyam ekruqukileyo. Isiphumo sokutywinwa sihle kakhulu kwaye sinesiphumo...Funda ngokugqithisileyo -
Izilumkiso zeenaliti zokutofa - isigaba samanzi
\1. Xa usebenzisa isitofu esisetyenziswayo xa usitofa, isitofu kufuneka icocwe ngesisombululo sokuvasa inaliti phambi nasemva kokutofa. Isisombululo sokuhlamba inaliti ngokuqhelekileyo sikhethwa ukuba sibe yisisombululo esifanayo njengesisombululo sesampuli. Isirinji kufuneka icocwe ngesampulu yesisombululo...Funda ngokugqithisileyo
