2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
calcium, thiab magnesium nyob rau hauv av • lub rooj dej siab • tus nqi siab ntawm evaporation • tsis tshua muaj dej nag txhua xyoo Nyob rau hauv ib cheeb tsam semiarid, salinization feem ntau tshwm sim ntawm cov rims ntawm kev nyuaj siab thiab cov ntug dej, ntawm lub hauv paus ntawm toj roob hauv pes, thiab hauv tiaj tiaj, thaj chaw qis qis ib puag ncig sloughs thiab cov dej ntiav.
Salinization feem ntau nyob qhov twg?
Mapping salinization
Tag nrho 20% ntawm tag nrho cov irrigated cheeb tsam yog kwv yees tias yuav raug ntsev, feem ntau nyob rau hauv intensive cultivated cheeb tsam ntawm India, Pakistan, Tuam Tshoj, Iraq thiab Iran. Cov cheeb tsam uas muaj kev pheej hmoo yuav nce salinization yog Mediterranean Basin, Australia, Central Asia, Middle East thiab Northern Africa.
Salinization pom nyob qhov twg?
Qee qhov chaw paub zoo uas tau tshaj tawm cov dej ntsev ntau suav nrog Aral Hiav Txwv Dej (Amu-Darya thiab Syr-Darya River Basins) hauv Central Asia, Indo-Gangetic Basin Hauv Is Nrias teb, Indus Basin hauv Pakistan, Dej Hiav Txwv Dej hauv Suav Teb, Euphrates Basin hauv Syria thiab Iraq, Murray-Darling Basin hauv …
qhov ntsev tshwm sim thiab vim li cas?
Primary salinity tshwm sim hauv av thiab dej. Piv txwv ntawm thaj chaw muaj ntsev muaj xws li cov pas dej ntsev, cov pas dej ntsev, cov dej ntsev thiab cov ntsev. Secondary salinity yog s alting uas tshwm sim los ntawm tib neeg kev ua ub no, feem ntau yog av kev loj hlob thiab kev ua liaj ua teb.
Dab tsi ua rau salinisation hauv av?
Ua rau dej ntsev
Cov ntsev tseem nyob hauv qab av thaum dej los ntawm cov nroj tsuag los yog poob rau evaporation. Cov nqi them rov qab hauv cov dej hauv cov dej tuaj yeem siab dua li cov cheeb tsam qhuav vim yog cov dej ntws los ntawm cov dej nag thiab dej. Qhov no ua rau muaj peev xwm ua kom muaj ntsev ntau heev.
Pom zoo:
Rau qhov tshwm sim tshwm sim?
Cov tshuaj tiv thaiv tus kheej yogtawm tsam uas nyiam tsim cov khoom ntawm cov xwm txheej uas tshwm sim. … Qhov kev sib xyaw ua ke ntawm kev txo qis ntawm lub zog thiab qhov nce hauv entropy txhais tau hais tias cov tshuaj tiv thaiv combustion tshwm sim tsis tu ncua.
Thaum twg qhov kev rov tshwm sim tshwm sim?
Thaum Replevin tuaj yeem thov Li no, qhov no yog qhov xwm txheej tshwm sim ntau tshaj plaws uas yuav tshwm sim thaum tus neeg siv khoom tsis raug them nyiaj qiv tsheb. Kev ua txhaum cai ntawm kev thaj yeeb nyab xeeb yog me ntsis luv luv. Nws tsis suav nrog kev txeeb tsheb yam tsis tau ceeb toom lossis kub xov tooj kom tsav tsheb mus.
Thaum qhov no yog qhov tshwm sim uas tshwm sim?
Lub hauv paus ntsiab lus ntawm kev mob Nrog qhov tshwm sim (uppada) ntawm qhov no, qhov tshwm sim. Thaum tsis muaj qhov no, qhov ntawd tsis tuaj. Nrog lub cessation (nirodha) ntawm no, uas ceases. - Samyutta Nikaya 12.61. Thaum qhov no yog qhov tshwm sim uas tshwm sim qhov tshwm sim uas tshwm sim thaum qhov no tsis yog qhov tsis yog qhov kev txiav txim siab tsis piav qhia?
Yuav ua li cas txiav txim siab seb qhov kev tshwm sim yog tshwm sim los yog tsis ua raws li txoj cai?
Kev sib xyaw ua lej ntawm kev hloov pauv enthalpy thiab hloov pauv hloov pauv tso cai rau kev hloov pauv ntawm lub zog dawb los suav. A tawm tsam nrog tus nqi tsis zoo rau ΔG tso tawm lub zog dawb thiab yog li nws tus kheej. Cov tshuaj tiv thaiv nrog qhov zoo ΔG yog tsis ua raws li kev xav thiab yuav tsis nyiam cov khoom.
Puas tsis muaj qhov tshwm sim tshwm sim xav tau enzymes?
Tam sim no, enzymes TSIS ua rau cov tshuaj tiv thaiv tsis yog tus kheej. Txawm li cas los xij, enzymes ua kom nrawm nrawm ntawm cov tshuaj tiv thaiv tus kheej. Yeej, lawv ua kom cov tshuaj tiv thaiv sai dua. Enzymes ua qhov no los ntawm kev txo qis kev ua kom lub zog ntawm cov tshuaj tiv thaiv.
