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Isitshalo esisha sensimbi esikhethekile se-voestalpine siqala ukuhlolwa
Eminyakeni emine ngemva komcimbi wayo wokuqala, imboni yensimbi ekhethekile endaweni ye-voestalpine e-Kapfenberg, e-Austria, isiphelile.Lesi sikhungo - okuhloswe ngaso ukukhiqiza minyaka yonke amathani angu-205,000 ensimbi ekhethekile, amanye awo okuzoba yimpushana yensimbi ye-AM - kuthiwa kumelela ingqophamlando yezobuchwepheshe...Funda kabanzi -
Ukuhlukaniswa kwenqubo yokushisela
Ukushisela kuyinqubo yokuhlanganisa izingcezu ezimbili zensimbi njengomphumela wokusabalalisa okuphawulekayo kwama-athomu ezicucu ezishiselwe endaweni ehlangene (weld).Ukushisela kwenziwa ngokushisa izingcezu ezihlanganisiwe zibe iphuzu lokuncibilika futhi zihlanganiswe ndawonye (noma ngaphandle). filler material) noma ngokucindezela...Funda kabanzi -
Ukwahlukaniswa Nokucutshungulwa Kokufakwa Kwepayipi Lensimbi Engagqwali
Izintambo, indololwane, izinciphisi ziyizinto ezivamile zokufakwa kwamapayipi Ukufakwa kwamapayipi ensimbi engagqwali kuhlanganisa izindololwane zensimbi engagqwali, izinciphisi zensimbi engagqwali, amakepisi ensimbi engagqwali, amathayi ensimbi engagqwali, iziphambano zensimbi engagqwali, njll. Ngokuxhunywa, okokufakwa kwamapayipi kungahlukaniswa futhi kube izinqe. izinto zokushisela,...Funda kabanzi -
Yiziphi izigaba zama tee ensimbi engagqwali
Ngenxa yomthamo wemishini emikhulu edingekayo ukuze kuqhutshekwe ne-hydraulic bulging tee yensimbi engagqwali, isetshenziswa kakhulu ekwenzeni insimbi engagqwali enogqinsi olujwayelekile olungaphansi kuka-dn400 eChina.Izinto zokwakha ezisebenzayo ziyinsimbi ephansi ye-carbon, insimbi ephansi ye-alloy ...Funda kabanzi -
Iyini isizinda sepayipi lensimbi elimnyama?
Umlando Wepayipi Lensimbi Elimnyama UWilliam Murdock wenza intuthuko eyaholela enqubweni yesimanje yokushisela amapayipi.Ngo-1815 wasungula uhlelo lwesibani esivuthayo wamalahle futhi wayefuna ukulenza litholakale kuyo yonke iLondon.Esebenzisa imiphongolo evela kuma-muskets alahliwe wenza ipayipi eliqhubekayo eliletha i-ga yamalahle...Funda kabanzi -
Imakethe ye-Global metals ibhekene nesimo esibi kakhulu kusukela ngo-2008
Le kota, izintengo ze-base metals zehle kakhulu kusukela ngenhlekelele yezimali yomhlaba yango-2008.Ekupheleni kukaMashi, intengo yenkomba ye-LME yehle ngo-23%.Phakathi kwazo, amathini asebenze kabi kakhulu, ehle ngo-38%, amanani e-aluminium ehle cishe ngengxenye eyodwa kwezintathu, kanti amanani ethusi ehle cishe ngengxenye eyodwa kwezinhlanu.Thi...Funda kabanzi