Nkhani
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Kodi ntchito ya sodium isethionate ndi yotani?
Sodium isethionate ndi mchere wachilengedwe womwe ndi wofunikira kwambiri mu mankhwala, zodzoladzola ndi mankhwala a tsiku ndi tsiku. Sodium isethionate dzina lina isethionic acid sodium salt, cas 1562-00-1. Sodium isethionate imawonjezera kukhazikika kwa fomula, imawonjezera kufooka kwa madzi olimba...Werengani zambiri -
Kodi glycolic acid imachita chiyani pakhungu lanu?
Kodi glycolic acid ndi chiyani? Glycolic acid, yomwe imadziwikanso kuti hydroxyacetic acid, ndi alpha-hydroxyl acid yopanda mtundu, yopanda fungo yomwe imachokera ku nzimbe. Nambala ya Cas ndi 79-14-1 ndipo njira yake ya mankhwala ndi C2H4O3. Glycolic acid imatha kupangidwanso. Glycolic acid imaonedwa kuti ndi hygroscop...Werengani zambiri -
Kodi polyglyceryl-4 oleate ndi chiyani?
Ogwiritsa ntchito ambiri amawona zodzoladzola zina zokhala ndi "polyglyceryl-4 oleate" ngati mankhwala awa, osamveka bwino za momwe mankhwalawa amagwirira ntchito komanso momwe amagwirira ntchito, akufuna kumvetsetsa kuti mankhwala omwe ali ndi polyglyceryl-4 oleate ndi abwino. Nkhaniyi ikufotokoza za mphamvu, ntchito, ndi zotsatira za polyglyceryl-...Werengani zambiri -
Kodi ndi zinthu ziti zomwe zimagwiritsidwa ntchito mu mafuta oteteza ku dzuwa?
Chitetezo cha dzuwa ndi chofunikira kwambiri kwa akazi amakono chaka chonse. Chitetezo cha dzuwa sichingochepetsa kuwonongeka kwa kuwala kwa ultraviolet pakhungu, komanso chimapewa kukalamba kwa khungu ndi matenda ena okhudzana ndi khungu. Zosakaniza zoteteza ku dzuwa nthawi zambiri zimapangidwa ndi zinthu zakuthupi, mankhwala, kapena mitundu yonse iwiri ndi zinthu zina...Werengani zambiri -
Momwe mungadzitetezere ku dzuwa nthawi yachilimwe
Chilimwe chino, kutentha kwambiri kunabwera mwadzidzidzi, anthu ambiri akuyenda mumsewu, zovala zoteteza ku dzuwa, zipewa zoteteza ku dzuwa, maambulera, magalasi a dzuwa. Chitetezo cha dzuwa ndi nkhani yomwe singapewedwe m'chilimwe, kwenikweni, kutentha sikudzangotentha khungu kokha, komanso kumayambitsa kukalamba kwa khungu,...Werengani zambiri -
Kodi silica dimethyl silylate ndi chiyani?
Silica dimethyl silylate ndi mtundu wa mchere wakale womwe umapezeka m'nyanja, ndi mtundu wa mchere wachilengedwe. Ndi wotetezeka komanso wopanda poizoni, ndipo uli ndi mphamvu yokwanira yoyamwa mpweya woipa, womwe ukhoza "kuyamwa" mpweya woipa, kuuwononga kukhala carbon dioxide yopanda vuto kwa thupi la munthu,...Werengani zambiri -
Tsiku Labwino la Meyi
"Tsiku la Meyi" la chaka chilichonse lafika mwakachetechete. Pakona iliyonse ya dziko la amayi ogwira ntchito ndi manja onse awiri kuti afotokoze udindo, ndi mapewa kuti athandizire udindo, ndi chikumbumtima kuti alembe kudzipereka, ndi thukuta kuti afotokoze moyo, tiyamikeni pafupi ndi odzipereka osadziwika, ...Werengani zambiri -
Kodi benzophenone-4 imagwiritsidwa ntchito bwanji posamalira khungu?
Masiku ano anthu ali ndi zosankha zambiri pa chisamaliro cha khungu, zosakaniza zoteteza ku dzuwa ndi mitundu yoposa 10, koma zinthu zina zosamalira khungu zimaoneka kuti zimavulaza khungu lathu. Ndiye tingasankhe bwanji zinthu zoyenera zosamalira khungu lathu? Tiyeni tikambirane za benzophenone-4, chinthu chofunikira kwambiri...Werengani zambiri -
Kodi PCA Na ndi chiyani?
Ndi chitukuko cha sayansi ndi ukadaulo wamakono komanso kusintha kwa miyoyo ya anthu, zikuwoneka kuti zofunikira pa zinthu zopangira zodzikongoletsera zikukwera kwambiri, ndipo zodzoladzola zokhala ndi zosakaniza zachilengedwe zikutchuka kwambiri ndi aliyense. Tod...Werengani zambiri -
Kodi ubwino wa 3-O-Ethyl-L-ascorbic acid ndi wotani?
3-O-Ethyl-L-ascorbic acid ili ndi mphamvu ziwiri za mafuta ophilic ndipo ndi yokhazikika kwambiri pamankhwala. 3-O-Ethyl-L-ascorbic acid, cas nambala 86404-04-8, ili ndi mphamvu ya oleophilic komanso hydrophilic monga chochokera ku vitamini C, chomwe chimakulitsa ntchito yake, makamaka mu chemistry ya tsiku ndi tsiku...Werengani zambiri -
Kodi Glycyrrhizic Acid Ammonium Salt ndi chiyani?
Mchere wa ammonium wa Glycyrrhizic acid, ufa woyera wa singano kapena crystalline, uli ndi kukoma kokoma kwambiri, kotsekemera kwambiri kuwirikiza ka 50 mpaka 100 kuposa sucrose. Malo osungunuka 208 ~ 212℃. Sungunuka mu ammonia, osasungunuka mu glacial acetic acid. Mchere wa ammonium wa Glycyrrhizic acid uli ndi kukoma kokoma kwambiri ndipo uli ndi kukoma kowirikiza ka 200...Werengani zambiri -
Kodi polyethylenimine imagwiritsidwa ntchito bwanji
Polyethylenimine (PEI) ndi polima wosungunuka m'madzi. Kuchuluka kwa madzi m'zinthu zamalonda nthawi zambiri kumakhala 20% mpaka 50%. PEI imapangidwa ndi polima kuchokera ku ethylene imide monomer. Ndi polima ya cationic yomwe nthawi zambiri imawoneka ngati madzi opanda mtundu kapena achikasu kapena olimba okhala ndi kulemera kosiyanasiyana kwa mamolekyulu ...Werengani zambiri