News ndi Society, Chikhalidwe
Ndi zachilengedwe zimene?
Natural mchere ndi aggregates chiyambi organic kapena mchere omwe matanthwe a. Chifukwa katundu wapadera thupi ndi mankhwala, iwo ankagwiritsa ntchito m'madera kukayikira zochita za anthu, monga feedstock kapena mafuta chuma. Gulu alipo limatchula magulu atatu waukulu wa iwo (malingana ndi chikhalidwe cha loitanirana, zimenezi anthu kapena zinthu zina zachilengedwe): gaseous, madzi ndi olimba.
zachilengedwe ndi mwachilungamo wophweka gulu kuti cholinga chake. wolemekezeka:
1. miyala zinthu.
2. Non-zachitsulo.
3. flammable.
4. Hydromineral.
5. Migodi ndi mankhwala.
6. zamtengo wapatali.
7. yomanga.
The lofunika kwambiri chuma onse mchere ncho tsopano ankamuona ngati malasha, gasi, mafuta. zinthu zachilengedwe kupereka gawo lalikulu la mphamvu - onse magetsi ndi kutentha - mu ngodya zonse za dziko lapansi. Tiganizire za zinthu izi zambiri.
Malo a mtundu wa miyala ya chuma mchere pafupifupi zimadalira nyengo ndi alipo zinthu miyala. Komabe, malasha opezeka pa malire a maiko ambiri ndi pafupifupi paliponse. Chiyambi cha ichi zachilengedwe wodzichepetsa kwambiri. Zinthu zimenezi chifukwa cha madipoziti zachilengedwe nkhuni. Mtundu wa malasha ndi magawo kwambiri amadza monga kutentha, kuthamanga, kuchuluka kwa mpweya, ndi ena ambiri.
gasi
Nkhanizi amatchulidwa ndi mawu osiyanasiyana, monga masoka kapena mpweya kugwirizana. Izi gwero - mafuta kwambiri ntchito kunyumba kuntchito. Izi colorless kosakhazikika mankhwala akhoza zopezera osati kutentha ndi mphamvu, komanso zosiyanasiyana mitundu ya pulasitiki ndi ulusi kupanga.
mafuta
Pamene khala ndi gasi, thunthu chinapangidwa pa nthawi nyama ndi zomera anapitiriza zinthu zapadera. zinthu zachilengedwe ndi ofunika kwambiri pa chuma m'mayiko ambiri pa dziko lapansi masiku ano. Pa processing mafuta linagawanika mu tuzigawo twa, amene kenako kutulutsa nambala yaikulu mankhwala ndi zipangizo.
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