nkhani
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Kuthetsa Masewera Otsuka Oletsa Mabakiteriya: Buku Lothandiza Kwambiri la Mankhwala Oletsa Mabakiteriya Osinthika Kwambiri
Cholinga chachikulu chowonjezera mankhwala ophera tizilombo toyambitsa matenda ku zinthu zotsukira ndi ziwiri: kuteteza nsalu ndikuletsa kuwonongeka kwa khungu komwe kumachitika chifukwa cha mabakiteriya. Pakadali pano, mankhwala ophera tizilombo omwe amagwiritsidwa ntchito kwambiri mu sopo wochapira zovala ndi awa: 1. Mankhwala Ophera Tizilombo Okhala ndi Chlorine Triclocarban Chifukwa cha...Werengani zambiri -
Carbodiimide: Chogwiritsidwa ntchito kwambiri komanso chothandiza kwambiri polimbana ndi hydrolysis
1. Mankhwala oletsa hydrolysis cholinga chake ndi kuletsa njira ya hydrolysis ya ma polima a polyester. Pogwiritsa ntchito ma polima okhala ndi ma ester bond, monga PBT, PET, PLA, ndi polyurethanes (TPU, CPU), mamolekyu amadzi amafika mosavuta...Werengani zambiri -
Optical Brightener Giant BASF Changes Hands: Kodi Opanga Detergent Ayenera Kuyang'ana Pa Chiyani?
BASF yagulitsa bizinesi yake ya optical brightener ku Catexel, yomwe ikukulitsa kuchuluka kwa zinthu zomwe imagwiritsa ntchito mumakampani opanga sopo. BASF yavomereza kugulitsa bizinesi yake ya optical brightener ku Catexel. Bizinesi iyi pakadali pano ndi gawo la bizinesi ya BASF's Care Chemicals. Optical...Werengani zambiri -
Antioxidant 1010: Buku Lothandizira ndi Kusankha la "Mfumu Yotsutsa Ukalamba" mu Makampani Opanga Mapulasitiki
Pokonza ndi kugwiritsa ntchito mapulasitiki kwa nthawi yayitali, kukalamba kwa okosijeni ndi vuto lalikulu lomwe limalepheretsa moyo ndi magwiridwe antchito a zinthu—kukonza kutentha kwambiri kumabweretsa kuwonongeka kwa utomoni, ndipo kutentha kwakunja kapena...Werengani zambiri -
Mfundo yogwiritsira ntchito amino resin crosslinking agent mu zokutira
Chidule cha kugwiritsa ntchito mankhwala olumikizirana a amino resin Ntchito yayikulu ya ma amino resins (melamine-formaldehyde, benzomelamine-formaldehyde, ndi urea-formaldehyde resins) mu zophimba za thermosetting ndikulumikiza filimu yayikulu...Werengani zambiri -
Chidule cha Mankhwala Oletsa Kusakhazikika
Kupanga mphamvu yamagetsi Kuthekera kwa chinthu cholimba kunyamula mphamvu kumadalira momwe zinthu zilili pamwamba, mphamvu ya dielectric, mphamvu ya pamwamba, komanso chinyezi cha chilengedwe chozungulira. Mphamvu yake yonyamula mphamvu imasiyana ndi mphamvu yake ya dielectric ndipo...Werengani zambiri -
Chidule Chachidule cha Omwe Amayamwa UV ndi Miyezo Yawo
I. Mawu ndi Matanthauzo Kuwala kwa dzuwa kuli ndi kuwala kwa ultraviolet (UV) kochuluka, komwe kumakhala ndi mafunde a pafupifupi 290-460 nm, zomwe zimavulaza zinthu zamitundu. Kuwala koopsa kwa UV kumeneku kumapangitsa kuti mamolekyu amitundu awole ndikuzimiririka kudzera mu redox reaction ya mankhwala. Kugwiritsa ntchito ma UV absorbers kumatha kuwononga...Werengani zambiri -
"Chitetezo chapafupi" cha zinthuzo —UV531
"Chitetezo chapafupi" cha chipangizochi ---UV531 Ultraviolet (UV) radiation—"wakupha wowala" wosaoneka uyu—nthawi zonse amaopseza moyo ndi kukhazikika kwa zipangizo zosiyanasiyana. Monga "chishango chowala" ku kuwala kwa UV, zoyamwitsa UV zakhala chitetezo chofunikira kwambiri...Werengani zambiri -
Kodi mungasankhe bwanji chothandizira cha nucleating choyenera cha PP？
Polypropylene ndi polima yomwe imagwiritsidwa ntchito kwambiri m'njira zosiyanasiyana chifukwa cha kuphatikiza kwake kwabwino kwa zinthu. Zinthu zake, monga zakuthupi, zamakaniko ndi zowunikira zimatha kuwonjezeredwa pogwiritsa ntchito zinthu zopangira nucleating ndi zinthu zowunikira. Zowonjezera izi zimathandiza...Werengani zambiri -
Chidule cha Zowonjezera Zophimba
I. Mitundu ndi Ntchito za Zowonjezera 1. Mitundu ya Zowonjezera (1) Kugawa m'magulu malinga ndi ntchito ya zowonjezera ① Zowonjezera zomwe zimathandizira kukonza bwino zophimba, kuphatikizapo zonyowetsa, zotulutsa, zochotsera poizoni, ndi zotsutsana ndi khungu. ② Zowonjezera zomwe zimathandizira kusungira ndi kunyamula...Werengani zambiri -
Momwe mungasankhire zowonjezera zapulasitiki zoyenera
Mitundu yosiyanasiyana ya zowonjezera nthawi zambiri imawonjezedwa panthawi yokonza mapulasitiki kuti ikwaniritse zofunikira zosiyanasiyana zokonza ndi kugwiritsa ntchito zipangizozo, ndipo kusankha zowonjezera ndikofunikira kwambiri pakupanga mapangidwe osinthira pulasitiki. I. Tanthauzo la zowonjezera za pulasitiki Pulasitiki...Werengani zambiri -
Kuchepetsa Mtengo ndi Kukweza Magwiridwe Abwino a Silika mu Zophimba
Kugwiritsa ntchito silica mu zophimba kumaphatikizapo kukonza kumamatira, kukana nyengo, mphamvu zoletsa kukhazikika, komanso kukulitsa thixotropy. Ndi yoyenera zophimba zomangamanga, zophimba zochokera m'madzi, ndi utoto wa acrylic resin. ...Werengani zambiri