Izindaba
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Ukuthuthukiswa kwepuleti lensimbi elakhiwe ngombala
Ngasekupheleni kwawo-1980, iShayina yaqala ukwakha amayunithi okuhlanganisa imibala ngokulandelana.Iningi lalawa mayunithi lakhiwe ezitshalweni zensimbi nezensimbi nasezimbonini ezihlanganyelwe, futhi imishini yokucubungula imibala ngokuyisisekelo yayithengwa kwamanye amazwe.Ngo-2005, ibhodi elinemibala yasekhaya lase lifinyelele amathani ayizigidi ezingu-1.73, ...Funda kabanzi -
Zifundise ukuthi ungahlukanisa kanjani phakathi kwabakhiqizi bangempela nabamanga
Indlela eqondile kakhulu yokubona ukuthi ibhizinisi lingumkhiqizi wangempela yini ukubheka ilayisense yebhizinisi.Ilayisensi yebhizinisi ingasinika ulwazi oluningi: eyokuqala ukubuka imali ebhalisiwe.Inani lemali ebhalisiwe lingabonisa ngokuqondile amandla ebhizinisi...Funda kabanzi -
Umehluko phakathi kwe-carbon steel evamile nensimbi engagqwali
Insimbi ye-carbon ejwayelekile, eyaziwa nangokuthi i-iron carbon alloy, ihlukaniswe ngensimbi ye-carbon ephansi (ezobizwa ngokuthi insimbi ecijile), insimbi ye-carbon steel ne-cast iron ngokusho kokuqukethwe kwekhabhoni.Ngokuvamile, lezo ezinokuqukethwe kwekhabhoni ngaphansi kuka-0.2% zibizwa ngensimbi ephansi ye-carbon, eyaziwa ngokuthi insimbi ekhandiwe ...Funda kabanzi -
Indlela yokuhlukanisa ubukhulu kanye nokucaciswa kwepayipi lensimbi engagqwali
Kusukela ngeminyaka yawo-1930s, ngokuthuthuka okusheshayo kokukhiqizwa okuqhubekayo okugingqika kwensimbi enhle kakhulu kanye nenqubekelaphambili ye-welding kanye nobuchwepheshe bokuhlola, ikhwalithi yokushisela ibilokhu ithuthukiswa ngokuqhubekayo, izinhlobonhlobo kanye nokucaciswa kwepayipi lensimbi engagqwali elishiselwe ...Funda kabanzi -
Izinto ezithinta impilo yesevisi yamapuleti ahlanganiswe ngombala
Ikhoyili ehlanganiswe ngombala inesisindo esilula, ukubukeka okuhle kanye nokumelana nokugqwala okuhle.Isetshenziswa kakhulu embonini yokukhangisa, embonini yezokwakha, embonini yemishini yasendlini, embonini yezinto zikagesi, imboni yefenisha kanye nemboni yezokuthutha.Ngokusho kokusetshenziswa okuhlukene kwendawo...Funda kabanzi -
Indlela yokuhlanza ipuleti le-aluminium elixutshwe
Ipuleti le-aluminium elinephethini liyinto evamile yokwakha, futhi inqubo yalo ihlukaniswe ikakhulukazi izingxenye ezintathu: i-de-esterification, isigayo sesihlabathi, nokugeza amanzi.Phakathi kwabo, ukugeza amanzi kuyinqubo ebaluleke kakhulu.Ukuze uqinisekise izinga eliphezulu kanye nekhwalithi yokushisela ye-aluminium ...Funda kabanzi -
I-Chinese steel intela izintela ezintsha ze-European Union.
Izikhathi zezimali zase-United Kingdom Januwari 31: I-Chinese steel intela izintela ezintsha ze-European Union.Ukuze kube nezindlela ezinamandla zokubhekana nenkinga yemboni yensimbi ekhulayo ye-EU.Kujenali esemthethweni ye-European Union (Official Journal of the European Union) isanda kukhishwa ...Funda kabanzi
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