Cov hluav taws xob graphite: Tus nqi ntawm cov hluav taws xob graphite tau poob me ntsis lub lim tiam no. Cov nqi khoom siv raw poob qis nyuaj rau txuas ntxiv txhawb nqa tus nqi ntawm cov hluav taws xob, thiab sab kev thov tseem tsis zoo, thiab nws nyuaj rau cov tuam txhab kom tswj tau cov lus hais ruaj khov. Tshwj xeeb, kev lag luam coke qis-sulfur tsis muaj zog hauv lub sijhawm dhau los, thiab kev ua lag luam kev lag luam yog qhov nruab nrab. Cov lus hais tseem ceeb ntawm cov chaw ua roj tseem txuas ntxiv txo qis; qhov kev tsom mus rau kev sib tham rau cov thee tar pitch txuas ntxiv poob qis thaum tus neeg yuav khoom txuas ntxiv tuav tus nqi; tus nqi ntawm koob coke tam sim no muaj zog heev. Txawm li cas los xij, hais txog tag nrho cov khoom siv raw kawg, kev txhawb nqa tus nqi tsis txaus nyob rau theem thaum ntxov. Ntawm sab kev muab khoom, nyob rau hauv kev cuam tshuam ntawm cov cai tiv thaiv ib puag ncig thiab kev txwv kev tsim khoom hauv Winter Olympics, kev tsim khoom lag luam tseem raug txwv, thiab lub voj voog tsim hluav taws xob ntev, thiab nws nyuaj rau txhim kho qhov tsis txaus ntawm cov peev txheej me thiab nruab nrab luv luv; tab sis qhov kev thov kuj tsis muaj zog, thiab kev tsim cov hlau kuj raug txwv. Tsis tas li ntawd, cov khoom siv raw nyob rau theem thaum ntxov tseem muaj, thiab qhov kev thov rau kev yuav khoom hluav taws xob tseem tsis muaj zog. Qhov Chaw: Hlau Mesh
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-07-2021