Amakuru
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Hariho iterambere mu bijanye n'ugucuruza mw'isoko rya dichloromethane .
Ivy’ugucuruza mw’isoko rya dichloromethane vyarateye imbere ku rugero runaka inyuma y’aho igiciro kiguye ku rugero rw’ivy’umutima rw’isoko, kandi bifatanijwe n’ugusubira inyuma gatoyi kw’ibiciro vy’ibigo bimwebimwe, harabaye ikintu kinaka c’ugutera imbere kw’abacuruzi n’abamanuka. Mu...Soma ibindi -
igiciro c'isoko ca soda caragabanutse, ubucuruzi bw'isoko buragenda buhoro
Igiciro c’isoko c’ibitoke vy’umukate caragabanutse, kandi ikirere c’ubudandaji mw’isoko kiragenda nabi. Hari ibikoresho vyagabanutse, kandi umuzigo wose w’ibikorwa vy’iyo nganda ubu uri hafi y’ibice 80%, bikaba biri hasi gatoyi y’indwi iheze. Ku bijanye n'ugukuraho ikibiriti mu rushana, ikoreshwa...Soma ibindi -
Isoko rya melamine rihagaze neza kandi ryahinduwe bike
Isoko rya melamine ryagumye rihagaze neza n’ibintu bikeyi vyahinduwe, kandi amashirahamwe menshi ariko arashitsa amategeko y’imbere y’igihe, ivyo bikaba bituma habaho ugushika ku rugero rutoyi. Urutonde rw’ibikoresho vya mbere vy’urea rurahinduka, kandi haracariho infashanyo y’amahera, ariko iyo nkunga irake. Ikindi, amategeko mashasha mu ...Soma ibindi -
Isoko rya melamine ririko rikora neza .
Isoko rya melamine ririko rikora ata guhagarara. Abahinguzi baracariko barashira imbere gushitsa amategeko ategerejwe, ata ngorane nyinshi zigira ku bijanye n’uguhingura, kugurisha no ku bijanye n’ugucungera, ivyo bikaba bituma mu turere tumwetumwe habaho ukuronka ibicuruzwa bike. Muri iki gihe, ubugoyagoye bw'ibikoresho vya mbere vy'umunyu burabandanya, kandi n'ugutera imbere birarushiriza kugoyagoya...Soma ibindi -
Ukwo kwiyongera kw'igiciro muri iki gihe ahanini gushigikirwa n'ukwiyongera kw'igiciro c'ibikoresho vya mbere vy'ivu rya soda .
Ukwo kwiyongera kw’igiciro muri iyo ntambwe ahanini gushigikirwa n’ukwiyongera kw’igiciro c’ivu ry’ibikoresho vya mbere vy’isoda. Mu kwezi kwa 11, ibikoresho bimwebimwe vyo mw’isoko ry’ivu rya soda vyagabanutse, ivyo bikaba vyatumye ibicuruzwa vyo mw’isoko bigabanywa. Inyuma y'aho igiciro c'isoko gihagarikiye kugwa,...Soma ibindi -
isoko ryo mu gihugu rya melamine ryariko rikora neza
Incamake y’isoko Vuba aha, isoko ry’ivya melamine ryo mu gihugu ryariko rikora ata guhagarara, aho amashirahamwe menshi ashitsa amategeko ategerejwe kandi ata ngorane nyinshi z’ububiko. Intara zo mu karere ziriko zirashikirwa n’ingorane z’ugutanga ibicuruzwa. Igikoresho ca mbere ca urea gikomeza kuba intege nke, kigatuma igiciro c'ivyo bikoresho kigoyagoya...Soma ibindi -
Igiciro c'isoko ryo mu gihugu ca dichloromethane caragumye kidahinduka
Ejo, igiciro c’isoko ryo mu gihugu ca dichloromethane caragumye kidahinduka, kandi ikirere cose c’ugucuruza kw’isoko cari gigoyagoya. Ivyo amashirahamwe yariko aratanga vyari bimeze neza, kandi vyari mu rwego rwo kwirundanira ibikoresho. Ariko rero, bishingiye ku kuba urutonde rw'ibintu ruriho ubu...Soma ibindi -
Isoko ry'ivyuma vy'ibara ry'agahama rirashikamye .
Isoko ry’ivyuma vy’i melamine rirahagaze neza, hariho n’ivyongerekana bikeyi. Benshi mu bahinga barashitsa amategeko ategerejwe, bafise igice kinini c’ivyo bohereza hanze, kandi igipimo c’umuzigo w’ibikorwa vy’ibigo kirahinduka hafi 60%, ivyo bikaba bituma habaho ugutanga ibicuruzwa gukomeye. Kandi amasoko yo hasi akenshi akurikira...Soma ibindi -
Igiciro ca dichloromethane carashitse hasi kandi kirasubira hejuru n'itandukaniro ry'akarere .
Igiciro ca dichloromethane carashitse hasi cane, kirasubira hejuru, hariho n’itandukaniro ry’akarere. Uko igiciro kiduga, ni ko n’ubucuruzi muri rusangi bugenda buhoro cane cane mu ntara ya Shandong n’intara zikikuje zashikiwe n’ibihe vy’urubura rwinshi mu mpera z’indwi iheze, aho ubucuruzi bwagabanutse cane...Soma ibindi -
Isoko rya bikarbonate ririko rikora neza, kandi ikirere c’ubudandaji mw’isoko kiraremereye kandi kirahagaze neza.
Isoko rya bikarbonate ririko rikora neza, kandi ikirere c’ubudandaji mw’isoko kiraremereye kandi kirahagaze neza. Ico kigo ca Huainan Debang baking soda ntikiratangura gukora, kandi umuzigo wose w’ibikorwa vy’ico kigo ubu uri hafi y’ibice 81 kw’ijana. Igiciro c'isoko ca bikarbonate kiriko kirakora kuri ...Soma ibindi -
Isoko rya melamine ririko rikora ata guhagarara.
Isoko rya melamine ririko rikora ata guhagarara. Uwo muhinguzi ahanini ashitsa amategeko ategerejwe, kandi urutonde rwose rw’ibintu ntabwo ari rwinshi. Nta mpinduka nini yabaye mw’isoko ryo mu majyaruguru, n’ibikorwa bitari vyiza kandi n’iterambere ry’abasaba ryari ritoyi. Benshi muri bo baracari bakeneye kwuzuza abahinguzi...Soma ibindi -
Iridium nanostructures zakozwe mu buryo budasanzwe zishizwe ku mesoporous tantalum oxide zituma ubushobozi bwo gutwara umuriro bugenda neza, ubushobozi bwo gutuma umuriro ugenda neza be n’ugushikama kw’igihe kirekire
Ivyo bikoresho vy’i iridium vyakozwe mu buryo budasanzwe bishizwe ku mfuruka y’ivyuma bita tantalum oxide bituma ubushobozi bwo gutwara umuyagankuba, ubushobozi bwo gutuma ibintu bigenda neza be n’ugushikama kw’igihe kirekire. Ishusho: Abashakashatsi bo muri Koreya y'Epfo na Amerika barateguye ikintu gishasha gitera iridium gifise...Soma ibindi