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Kuvandudzwa kwemavara akavharidzirwa simbi ndiro
Mukupera kwema1980, China yakatanga kuvaka mayuniti ekupfekedza mavara zvakatevedzana.Zvizhinji zvezvikamu izvi zvakavakwa musimbi nesimbi zvidyarwa uye mabhizimusi akabatanidzwa, uye michina yekupfekedza mavara yakatengwa kubva kunze kwenyika.Pakazosvika 2005, bhodhi repamba rakavharwa neruvara rakanga rasvika miriyoni 1.73 matani,...Verenga zvimwe -
Dzidzisa iwe kusiyanisa pakati pevagadziri vechokwadi nevenhema
Nzira yakananga yekuona kana bhizinesi iri mugadziri chaiye ndeyekutarisa rezinesi rebhizinesi.Bhizinesi rezinesi rinogona kutipa ruzivo rwakawanda: yekutanga ndeyekutarisa iyo yakanyoreswa capital.Huwandu hwemari yakanyoreswa inogona kuratidza zvakananga simba reiyo bhizinesi ...Verenga zvimwe -
Musiyano pakati peyakajairwa kabhoni simbi uye Stainless simbi
Yakajairwa kabhoni simbi, inozivikanwawo sesimbi kabhoni alloy, yakakamurwa kuita yakaderera kabhoni simbi (ichazodaidzwa kuti simbi yakagadzirwa), yepakati kabhoni simbi uye simbi yakakandwa zvinoenderana nekabhoni yemukati.Kazhinji, avo vane kabhoni yemukati isingasviki 0.2% vanonzi yakaderera kabhoni simbi, inowanzo zivikanwa sesimbi yakagadzirwa ...Verenga zvimwe -
Nzira yekusiyanisa hukuru uye tsanangudzo yepombi yesimbi isina tsvina
Kubva kuma1930s, nekukura nekukurumidza kwekuenderera mberi kwekugadzira simbi yemhando yepamusoro uye kufambira mberi kwewelding uye yekuongorora tekinoroji, mhando yeweld yakaramba ichivandudzwa, mhando uye zvirevo zvesimbi isina tsvina yakashongedzwa pombi h...Verenga zvimwe -
Zvinhu zvinokanganisa hupenyu hwebasa remahwendefa ane mavara
Coil yakavharwa neruvara ine huremu hwakareruka, chitarisiko chakanaka uye yakanaka kuramba ngura.Inonyanya kushandiswa muindasitiri yekushambadzira, indasitiri yekuvaka, indasitiri yemidziyo yemumba, indasitiri yemidziyo yemagetsi, indasitiri yefenicha uye indasitiri yezvekufambisa.Zvinoenderana neyakasiyana kushandiswa environm...Verenga zvimwe -
Nzira yekuchenesa sei aluminium plate brushed
Peteni yealuminium ndiro chinhu chakajairika chekuvaka, uye maitiro ayo akakamurwa kuita zvikamu zvitatu: de-esterification, chigayo chejecha, uye kugeza mvura.Pakati pavo, kushambidza mvura inzira inokosha zvikuru.Kuti uve nechokwadi chemhando yepamusoro uye welding mhando yealuminium ...Verenga zvimwe -
Chinese simbi inobhadharisa mitsva mitsva yeEuropean Union.
United Kingdom nguva dzemari Ndira 31: China simbi inobhadharisa mitsva mitsva yeEuropean Union.Kuti uwane nzira dzine simba dzekugadzirisa dambudziko reEU riri kukura reindasitiri yesimbi.Yepepanhau repamutemo reEuropean Union (Official Journal yeEuropean Union) ichangobva kuburitsa ...Verenga zvimwe
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