Izindaba
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Kungani Izimbobo Zenjoloba Zidinga Ukuvunyelwa yi-FDA? — Ukuhlaziywa Okujulile Kokubaluleka Kwezindlela Zokuqinisekisa Nezokuqinisekisa ze-FDA
Isingeniso: Ukuxhumana Okufihliwe Phakathi Kwezimbobo Zenjoloba Ne-FDA Uma sikhuluma nge-FDA (US Food and Drug Administration), abantu abaningi bacabanga ngokushesha ngemithi, ukudla, noma amadivayisi ezokwelapha. Kodwa-ke, bambalwa abaqaphelayo ukuthi ngisho nezingxenye ezincane njengezimbobo zenjoloba ziwela ngaphansi kokubhekwa yi-FDA. Gcoba...Funda kabanzi -
Kungani isitifiketi se-KTW siyi-"Ipasipoti Yezempilo" Ebalulekile Yezivalo Zenjoloba?—Ukuvula Isihluthulelo Sezimakethe Zomhlaba Wonke Namanzi Okuphuza Aphephile
Isihloko Esingezansi: Kungani Izivalo Ezisezimpompini Zakho, Ezihlanzini Zamanzi, Nasezinhlelweni Zokuphayiphi Kumelwe Zibe Nalesi Sikhululo Sabezindaba “Sepasipoti Yezempilo” – (China/Agasti 27, 2025) - Enkathini yokuqwashisa ngezempilo nokuphepha okuphezulu, wonke amaconsi amanzi esiwasebenzisayo ahlolwa ngendlela engakaze ibonwe osukwini lwawo...Funda kabanzi -
Isitifiketi se-NSF: Isiqinisekiso Esiphelele Sokuphepha Kwezihlanzi Zamanzi? Izimbozo Ezibalulekile Zibalulekile Nazo!
Isingeniso: Uma ukhetha isihlanzi samanzi, uphawu oluthi “NSF Certified” luyindinganiso yegolide yokuthembeka. Kodwa ingabe isihlanzi esiqinisekiswe yi-NSF siqinisekisa ukuphepha okuphelele? Kusho ukuthini ngempela ukuthi “ibanga le-NSF”? Uke wacabanga ngesayensi ngemuva kwalesi sivalo kanye nokubambisana kwaso okubalulekile...Funda kabanzi -
Ubani 'uMqaphi Wenjoloba' Ngaphakathi Kwenqwaba Yakho Yokushaja? — Indlela Uphawu Olungashiwongo Oluvikela Ngayo Yonke Inkokhelo
Ngo-7 ekuseni, idolobha livuka ngemvula encane. UMnu. Zhang, njengenjwayelo, uhamba eya emotweni yakhe kagesi, elungele uhambo losuku olulodwa. Amaconsi emvula ashaya inqwaba yokushaja, eshelela phansi ebusweni bayo obubushelelezi. Uvula ngobuhlakani isembozo sembobo yokushaja, uphawu lwerabha lushintsha kancane ukuze lubumbeke ...Funda kabanzi -
Lapho Ukuhlaziywa Kobuntu Kufika Ehhovisi: Indlela Izingxabano Ezincane Eziphenduka Ngayo “Ikilasi Elijabulisayo” Ohambweni Lokubambisana Okubushelelezi
Ngaphakathi kwezindawo zokuhlala ezimatasa, kuqubuka inguquko ethule. Ukuhlola ukuhlaziywa kobuntu kuguqula ngobuqili imigqi yansuku zonke yempilo yasehhovisi. Njengoba ozakwabo beqala ukuqagela “amaphasiwedi” obuntu bomunye nomunye, lawo macala amancane ayekade engathandwa—njengeColleag...Funda kabanzi -
Ukuzalwa Kabusha Okuhle Kakhulu: Indlela Isikhungo Sika-Yokey Sisebenzisa Ngayo Ubuciko Bokuphelela Kwesivalo Senjoloba
Kwa-YokeySeals, ukunemba akuyona nje umgomo; kuyisisekelo esiphelele salo lonke uphawu lwerabha, i-O-ring, kanye nengxenye eyenziwe ngokwezifiso esiyikhiqizayo. Ukuze sifinyelele njalo ukubekezelelana okuncinyane okudingwa yizimboni zanamuhla - kusukela kuma-hydraulic ezindiza kuya kuma-implants ezokwelapha - sitshale imali...Funda kabanzi -
I-Teflon: “Inkosi Yepulasitiki” Engemuva Kwamapani Anganamatheli – Indlela Ukutholwa Kwelebhu Engalindelekile Okwaqala Ngayo Inkathi Yesikhala
Cabanga ngokuthosa iqanda eliphelele elibheke phezulu elinohlangothi olukhanyayo ngaphandle kokushiya ngisho nomkhondo epanini; odokotela abahlinzayo beshintsha imithambo yegazi egulayo ngeyokwenziwa esindisa izimpilo; noma izingxenye ezibalulekile ezisebenza ngokuthembekile endaweni eyingozi kakhulu ye-Mars rover… Lezi zimo ezibonakala zingahlobene...Funda kabanzi -
Wake Wazibuza Ukuthi Izimbozo Zikawoyela Ezincane Zigcina Kanjani Imishini Emikhulu Ingavuzi?
Isingeniso: Ingxenye Encane, Umthwalo Wemfanelo OmkhuluLapho injini yemoto yakho ikhipha uwoyela noma ipompo ye-hydraulic yasefektri ivuza, umdlali obalulekile kodwa ovame ukungabonwa uvame ukuba ngemuva kwayo - uphawu lwamafutha. Le ngxenye emise okwendandatho, evame ukuba ngamasentimitha ambalwa nje ububanzi, inomsebenzi "ongu-zero ...Funda kabanzi -
Iqhawe Elingadunyiswanga Eligcina Imoto Yakho Yomile Emvuleni: Ukubonisa Imfihlakalo Ye-EPDM - "Irabha Yempilo Ende" Enika Amandla Imboni Yezimoto
Isingeniso: Wake wazibuza ukuthi yini egcina ingaphakathi lemoto yakho lomile ngokuphelele ngenkathi imigqomo yemvula iphezu kophahla? Impendulo ilele entweni ebizwa ngokuthi irabha ye-Ethylene Propylene Diene Monomer (EPDM). Njengomnakekeli ongabonakali wemboni yanamuhla, i-EPDM ihlangana kalula nezimpilo zethu ngokusebenzisa...Funda kabanzi -
“I-Fumed Silica vs. I-Precipitated Silica: Kusukela Emabhodleleni Ezingane Kuya Emikhumbini Emikhulu – Indlela I-Silica Gel Ebumba Ngayo Umhlaba Wethu”
Indaba Yokuvula Ngesikhathi sesiphepho sika-2023 eQingdao Port, umkhumbi wezimpahla ophethe imishini ye-photovoltaic wasinda ungalimalanga - ngenxa yezivalo ze-silica ezivuthayo ezicabheni zawo zezitsha ezivikela amathuluzi okunemba angama-¥10 million. Phakathi naleso sikhathi, omata be-silica abavimbela ukushelela ababambe ama-rack emithwalo buthule...Funda kabanzi -
Izinzuzo zokusebenzisa i-HPMC ezintweni zokunamathisela amathayili
I-Hydroxypropyl Methylcellulose (HPMC) iyi-non-ionic cellulose ether esetshenziswa kabanzi ezintweni zokwakha, ikakhulukazi kuma-adhesive ethayela. I-HPMC isibe yinto ebalulekile ekuhlobiseni izakhiwo zesimanje ngokuthuthukisa ukusebenza kokwakha, ukugcinwa kwamanzi...Funda kabanzi -
Irabha ye-Fluorine kanye ne-Perfluoroether Rubber: Ukuhlaziywa Okuphelele Kokusebenza, Izicelo kanye Namathuba Emakethe
Isingeniso Embonini yesimanje, izinto zerabha sezibaluleke kakhulu ngenxa yezakhiwo zazo ezivelele njengokunwebeka, ukumelana nokuguguleka, kanye nokumelana namakhemikhali. Phakathi kwalezi, irabha ye-fluorine (FKM) kanye nerabha ye-perfluoroether (FFKM) zivelele njengerabha ezisebenza kahle kakhulu,...Funda kabanzi