Dab tsi yog qhov zoo ntawm ntuj liab tooj liab?

Feem ntau hais lus, lub purity ntawm ntuj liab tooj liab yog siab heev, muaj cov hlau impurity xws li kab tin, txhuas, antimony, npib tsib xee feem ntau. Cov tooj liab ntshiab smelted los ntawm cov thev naus laus zis qub feem ntau tsis tsuas yog muaj ntau cov hlau symbiotic nrog tooj liab ore, xws li txhuas, tin, zinc, hlau thiab lwm yam. Thiab vim tias qhov kub thiab txias tsis txaus, tooj liab thiab slag tsis tuaj yeem sib cais zoo, yog li ntawd yuav tsum tau tov nrog silicon, calcium, magnesium, txhuas thiab lwm yam oxides.

Los ntawm kev txheeb xyuas cov khoom siv tooj liab tau pom los ntawm cov chaw kab lis kev cai ntawm lub hnub nyoog Neolithic, xws li Qijia kab lis kev cai chaw hauv Guanghe, Yongjing thiab Yulen ntawm Gansu Province, Shaogou kab lis kev cai chaw, Dongxiafeng kab lis kev cai chaw nyob hauv Xiaxian county ntawm Shanxi Province, thiab lub Xiajiadian kab lis kev cai qhov chaw nyob rau hauv Chifeng lub nroog ntawm Inner Mongolia Autonomous Region, ib co tej yam ntuj tso liab tooj liab khoom tau raug pom.

Qhov no qhia tau hais tias nyob rau hauv thaum ntxov thiab nruab nrab Neolithic lub sij hawm, muaj tseeb muaj hnub nyoog ntawm tooj liab thiab pob zeb nyob rau hauv ib co cheeb tsam ntawm Tuam Tshoj.

Nrog rau txoj kev loj hlob ntawm cov cuab yeej siv hluav taws xob thiab cov cuab yeej siv hluav taws xob kub, qhov nrov ntawm kub casting liab tooj liab coj mus rau kev tsim cov tshuab metallurgical. Los ntawm forging hlau kev loj hlob mus rau casting hlau, thiab tom qab ntawd txhim kho mus rau mining ore, smelting hlau, uas tau ntsib ib tug ntev lub sij hawm.

Yog tias koj muaj lus nug, thov hu rau peb. Peb lub tuam txhab tuaj yeem tsim ntau yam koob txhaj tshuaj, koob tshuaj kho mob, koob txhaj tshuaj, koob tshuaj hypodermic, koob txhaj tshuaj, koob tshuaj tiv thaiv kab mob, koob txhaj tshuaj, koob txhaj tshuaj, koob tshuaj tua tsiaj, koob xaum koob, koob ovum khaws koob, koob txhaj tshuaj, thiab lwm yam Yog tias koj xav tau kev kho. koob cov khoom, thov hu rau peb. Peb tos ntsoov rau koj qhov kev nug! Qhov zoo ntawm cov khoom tsim nyob rau hauv peb lub Hoobkas yuav txaus siab rau koj!

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