2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ib qho khoom lag luam tsis yog ib qho txheej txheem lossis cov phiaj xwm uas yuav thiab khw cov khoom lag luam thaum lub sijhawm sau qoob loo zootxhawm rau tiv thaiv cov nqi poob qis dua li lub hom phiaj (lossis qib nqi), thiab tso tawm cov khoom lag luam Thaum lub sij hawm sau qoob loo tsis zoo los tiv thaiv tus nqi nce siab tshaj qhov hom phiaj (lossis qib nqi).
piv txwv tsis pub khoom yog dab tsi?
Buffer stock system tuaj yeem kawm tau raws li tsoomfwv cov tswv yim uas siv rau lub hom phiaj ntawm kev ruaj khov ntawm cov nqi hauv kev lag luam tsis hloov pauv. … Chivkeeb cov nplej nplej, ib txwm ib txwm granary, EU cap, International cocoa Organization (ICCO), thiab 1970 wool floor price scheme Australia yog ob peb yam piv txwv ntawm cov txheej txheem tsis khoom.
Lub sijhawm khoom lag luam yog dab tsi?
9:08 AM -9:12 AM: Nws yog lub npe hu ua kev txiav txim sib piv lub sijhawm thiab lub sijhawm lees paub kev lag luam. … Thaum lub sij hawm no kev hloov kho lossis tshem tawm ntawm qhov kev txiav txim tso tseg tsis tuaj yeem ua tiav. 9:12 AM - 9:15 AM: Nws yog lub sijhawm tsis muaj thiab nws pab txhawb kev hloov pauv ntawm kev qhib khw ua ntej mus rau kev lag luam ib txwm muaj.
Dab tsi yog Tshuag?
: a Tshuag ntawm cov khoom lag luam yooj yim (xws li tin) tau txais (xws li los ntawm lub cartel) nyob rau lub sijhawm qis lossis tsis ruaj khov thiab muab faib rau lub sijhawm ntawm tus nqi siab kom ruaj khov kev lag luam.
Yuav ua li cas thaum tsis muaj khoom lag luam?
Teeb meem ntawm cov khoom tsis khoom
Tus nqi ntawm yuavcov khoom siv ntau dhau tuaj yeem ua rau tsoomfwv siab heev thiab tej zaum yuav xav tau se ntau dua. Yam tsawg kawg nkaus tus nqi thiab cov khoom tsis muajtuaj yeem txhawb cov khoom lag luam ntau dhau vim cov neeg ua liaj ua teb paub tias cov nyiaj seem yuav raug yuav. … Tej zaum yuav muaj kev txhawb zog tsawg dua los txiav cov nqi thiab teb rau kev lag luam kev lag luam.
Pom zoo:
Puas yog cov roj chlorine yog cov khoom lossis cov khoom sib xyaw?
Chlorine yog nyob rau hauv pawg 17 ntawm lub sij hawm lub sij hawm, tseem hu ua lub halogens, thiab tsis pom raws li lub caij nyob rau hauv cov xwm - tsuas yog ib tug compound. Feem ntau ntawm cov no yog ntsev, los yog sodium chloride, thiab cov poov tshuaj compounds sylvite (los yog potassium chloride) thiab carnallite (potassium magnesium chloride hexahydrate).
Qhov twg yog qhov tsis txaus siab lossis tsis txaus siab?
Nyob rau hnub no kev siv, tsis txaus siab feem ntau feem ntau txhais tau tias "tsis muaj kev ncaj ncees," whereas uninterested tsuas txhais tau tias "tsis txaus siab." Interestingly, thaum cov lus no tau xub qhia lawv lub ntsiab lus yog qhov thim rov qab, nrog lub ntsiab lus tsis txaus siab ntawm lub ntsiab lus "
Puas yog qhov tsis txaus sib txawv ntawm qhov tsis txaus?
Kev tsis txaus thiab tsis txaus yog tsis yog lus. Scarcity yog lub tswv yim yooj yim uas, txawm hais tias qee qhov peev txheej yuav raug txwv, kev xa khoom sib npaug. Tsis txaus, ntawm qhov tod tes, tshwm sim thaum kev lag luam tawm ntawm qhov sib npaug thiab xav tau ntau tshaj qhov khoom.
Dab tsi yog qhov txawv ntawm cov khoom siv thiab cov kab lis kev cai tsis yog khoom?
Cov kab lis kev cai yog hais txog cov khoom lossis cov khoom ntawm ib pawg neeg. … Cov kab lis kev cai tsis yog khoom, qhov sib txawv, muaj cov tswv yim, kev xav, thiab kev ntseeg ntawm ib lub zej zog. Cov khoom siv thiab cov khoom tsis zoo ntawm kab lis kev cai yog txuas, thiab cov khoom siv lub cev feem ntau ua cim cov tswv yim kab lis kev cai.
Puas yog cov nroj tsuag carnivorous yog cov tsim khoom lossis cov neeg siv khoom?
As producers, cov nroj tsuag tsim lub hauv paus ntawm yuav luag txhua cov khoom noj hauv ntiaj teb. Carnivorous nroj tsuag zoo li "tig rooj" thaum lawv ua raws li cov neeg siv khoom, gobbling kab, qav, thiab cov tsiaj me me. Puas yog Venus flytrap yog tus neeg siv khoom thiab tsim khoom?
