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Nkhani

  • Microbial metaproteomics: kuchokera pakukonza zitsanzo, kusonkhanitsa deta mpaka kusanthula deta

    Wu Enhui, Qiao Liang* Dipatimenti ya Chemistry, Fudan University, Shanghai 200433, China Tizilombo tating'onoting'ono timagwirizana kwambiri ndi matenda a anthu komanso thanzi. Momwe mungamvetsetse kapangidwe ka magulu a tizilombo tating'onoting'ono ndi ntchito zawo ndi nkhani yayikulu yomwe iyenera kuphunziridwa ...
    Werengani zambiri
  • Zolakwa khumi zofala pakugwiritsa ntchito magawo am'manja amadzimadzi!

    Gawo la mafoni ndilofanana ndi gawo lamadzimadzi la magazi , ndipo pali zinthu zosiyanasiyana zomwe muyenera kuziganizira mukamagwiritsa ntchito. Pakati pawo pali "misampha" ina yomwe iyenera kutsatiridwa. 01. Yesani pH ya gawo la mafoni mutawonjezera zosungunulira organic Ngati mukutanthauza ...
    Werengani zambiri
  • Zizolowezi zoyipa zodziwika mu labotale, muli nazo zingati?

    Zizoloŵezi zoipa panthawi yoyesera 1. Poyezera kapena kuyeza zitsanzo, lembani detayo papepala loyamba, ndiyeno muyikopere mu kope pambuyo pa chitsanzocho; nthawi zina zolembazo zimadzazidwa mofanana pambuyo poyesera; 2. Pamachitidwe omwe amafunikira ...
    Werengani zambiri
  • Njira yothetsera reagent ndi "lupanga lakuthwa konsekonse", ndipo kapu ya botolo lachitetezo imamanga chitetezo

    Zosungunulira za reagent ndi zida za ogwira ntchito ku labotale komanso gwero la zoopsa zachitetezo. Mkhalidwe wa labotale: 1. Kugwiritsa ntchito kuchuluka kwa zosungunulira za organic kumayambitsa kusungunuka kwa zosungunulira; 2. Palibe njira zotetezera chitetezo, kununkhira kumakhala kolimba, ndipo kumakhudza thanzi la ogwira ntchito; 3. Ndi...
    Werengani zambiri
  • Ma reagents 17 owopsa kwambiri a labotale, musakhale osasamala!

    DMSO DMSO ndi dimethyl sulfoxide, yomwe imakhala ndi ntchito zambiri. Amagwiritsidwa ntchito ngati zosungunulira za acetylene, ma hydrocarbon onunkhira, sulfure dioxide ndi mpweya wina, komanso zosungunulira za acrylic fiber spinning. Ndiwofunikira kwambiri non-protonic polar zosungunulira zomwe zimasungunuka mu zonse ziwiri ...
    Werengani zambiri
  • Kusiyana Pakati pa Nayiloni 6 ndi Nayiloni 66

    Kodi Nayiloni 6 ndi Nayiloni 66 Nayiloni 6 ndi Nayiloni 66 ndizinthu zazikulu za nayiloni. Nayiloni ndi yamphamvu komanso yosavala, ndipo mphamvu yake imafanana ndi waya wachitsulo wofanana ndi makulidwe; 15% nayiloni yosakanikirana ndi ubweya imatha kuwonjezera kukana kwake ndi nthawi 3.5; kupatula polypropylene ...
    Werengani zambiri
  • Kugwiritsa ntchito moyenera komanso masitepe a botolo la volumetric

    Mabotolo a volumetric amagwiritsidwa ntchito makamaka pokonzekera bwino mayankho amtundu wina. Ndi botolo lagalasi lopyapyala, looneka ngati peyala, lokhala ndi choyimitsa pansi. Pakhosi pa botolo pali chizindikiro. Madzi mu botolo akafika pachimake pa kutentha komwe kwatchulidwa, ...
    Werengani zambiri
  • Kodi gawo la HLB SPE ndi chiyani

    Kodi HLB SPE column Bond Elut HLB (Hydrophile-Lipophile Balance) ndi sorbent yogwira ntchito, yosunthika yolimba (SPE) yopangidwa kuchokera ku monodisperse divinylbenzene ndi N-vinylpyrrolidone copolymers m'magawo enaake. Sorbent yapamwamba iyi imapereka kusungidwa kwabwino kwamitundu yosiyanasiyana ...
    Werengani zambiri
  • GC Basics

    1. Mfundo ya chromatography ya gasi Chromatography, yomwe imatchedwanso kusanja kusanjikiza, ndiukadaulo wolekanitsa thupi. Mfundo ya kulekanitsa kwa Ader ndikugawa magawo osakaniza pakati pa magawo awiri. Gawo limodzi limakhala loyima ndipo limatchedwa stationary phase. Gawo lina ndi...
    Werengani zambiri
  • Malangizo ogwiritsira ntchito GC

    Kutentha kwa 1 Chifukwa cha opanga osiyanasiyana komanso mtundu wa ma chromatograph a gasi, njira zokhazikitsira kutentha ndizosiyana. Pakuyika kutentha pogwiritsa ntchito njira yokhazikitsira ma microcomputer kapena njira yosankha kuyimba, nthawi zambiri kumakhala kuyika nambala kapena kusankha yoyenera...
    Werengani zambiri
  • Makapu osiyanasiyana

    Pali mitundu itatu ya zipewa zomwe zilipo pazitsanzo za Mbale: zipewa za crimp, zisoti za bayonet, ndi zipewa zomata. Njira iliyonse yosindikiza ili ndi ubwino wake. 1. Chipewa cha Crimp Chipewa cha crimp chimafinya septum pakati pa mkombero wa botolo lagalasi ndi kapu ya aluminiyamu yopindika. Kusindikiza kwake ndikwabwino kwambiri komanso kothandiza ...
    Werengani zambiri
  • Chenjezo la singano za jakisoni - Gawo lamadzimadzi

    \1. Mukamagwiritsa ntchito jakisoni wamanja pobaya jakisoni, jekeseniyo iyenera kutsukidwa ndi njira yotsuka singano isanabadwe kapena ikatha. Njira yotsuka singano nthawi zambiri imasankhidwa kuti ikhale yosungunulira mofanana ndi yankho lachitsanzo. Sirinji ya jakisoni iyenera kutsukidwa ndi chitsanzo cha solutio...
    Werengani zambiri
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