2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Strip mining yog ib hom kev mining qhov chaw cov nroj tsuag overlying, pob zeb, thiab av (overburden) raug tshem tawm kom ncav cuag lub hauv paus coal seam, uas feem ntau yog lus dag. ob peb ko taw hauv qab qhov chaw. … Mining yog ua tiav nyob rau hauv ntev, nqaim strips, yog li lub npe "strip mining".
Dab tsi yog ib txoj hlua hauv mining?
Strip mining, tshem tawm cov av thiab pob zeb (overburden) saum ib txheej lossis seam (tshwj xeeb tshaj yog thee), ua raws li kev tshem tawm cov pob zeb tawm. … Tej thaj chaw mining feem ntau nce mus nyob rau hauv ib tug sib npaug sib sib zog nqus trenches hu ua furrows los yog strips. Qhov ntev ntawm cov strips no yuav yog ntau pua metres.
Vim li cas strip mining thiaj phem?
Ntog mining (lwm lub npe "strip mining") tuaj yeem ua rau cov av loj lossis txo nws cov qoob loo; dej qias neeg los yog tso dej hauv av cia; caws pliav los yog thaj chaw toj roob hauv pes; puas tsuaj rau txoj kev, tsev, thiab lwm yam; thiab rhuav tshem tej tsiaj qus.
Kuv txoj kab nqes tob npaum li cas?
Terraced excavations feem ntau 10–30 m tob nrog tso nyiaj dipped ntawm 8 °; ib co internal cia ntawm overburden (Fig. 2.1C). 1.2. Kev cuam tshuam ntawm txoj hlua mining.
Puas sawb mining zoo?
Kev lag luam thee sib cav hais tias kev khawb khawb yog qhov zoo tshaj plaws los muab cov pob zeb-uas stripping yog qhov ua tau zoo dua, tsawg dua thiab muaj kev nyab xeeb dua li kev khawb hauv av. Environmentalists tawm tsam tias lub teb chaws cov kev xav tau tuaj yeem ua tiav los ntawm kev rov qab mus rau qhov tob mining.
Pom zoo:
Nyob hauv mining yog dab tsi?
Adit, a kab rov tav lossis ze-kab rov tav uas tau tsav los ntawm lub ntiaj teb saum npoo mus rausab ntawm lub roob lossis roob rau lub hom phiaj ntawm kev ua haujlwm, ua pa, lossis tshem dej tawm ntawm ib qho kuv. Yuav ua li cas rau hauv kuv lub tsev?
Dab tsi yog binning hauv cov ntaub ntawv mining?
Binning, tseem hu ua kev txiav txim siab, yog cov txheej txheem los txo cov cardinality ntawm cov ntaub ntawv tsis tu ncua thiab sib cais. Binning pab pawg ntsig txog qhov tseem ceeb ua ke hauv bins kom txo cov nqi sib txawv. … Binning tuaj yeem txhim kho tus qauv zoo los ntawm kev ntxiv dag zog rau kev sib raug zoo ntawm tus cwj pwm.
Dab tsi yog thaiv caving mining method?
Touted raws li txoj kev sib sib zog nqus mining ntawm lub neej yav tom ntej, thaiv caving yog ib txoj hauv av loj-tseem ceebuas tso cai rau kev rho tawm ntau ntawm cov loj, qib qis-qib ore deposits uas yog vertical in orientation. Puas thaiv qhov tsua mining nyab xeeb?
Dab tsi yog kev xav ntawm autonomists dab tsi yog qhov kev xav ntawm kev zoo nkauj ntawm kev coj ncaj ncees?
Kev lig kev cai, muaj ob txoj haujlwm tawm tsam kev xav txog kev coj ua raws li kev cai lij choj ntawm kev ntsuas kev ncaj ncees ntawm kev kos duab: 'kev coj ncaj ncees kev ncaj ncees Ethics lossis kev coj ncaj ncees yog ib ceg ntawm kev xav uas "
Koj puas tuaj yeem strip stain los ntawm ntoo?
Tshem tawm cov stain ntoo tuaj yeem yog txheej txheem cuam tshuam vim nws nqus mus rau hauv cov nplej ntawm cov ntoo. … Yog li, technically koj yuav tsum xub siv cov tshuaj stripper kom tshem tawm cov kua roj vanish (thiab qee qhov stain yuav nqa, ib yam nkaus), ces xuab zeb tawm ib txheej nyias ntawm cov ntoo kom tshem tawm feem ntau ntawm cov stain.
