Cov txheej txheem:
- Puas tawg lub cev?
- tawg ua los ntawm dab tsi?
- Dab tsi yog ob yam tshuaj uas tawg thaum sib xyaw?
- Yuav ua li cas 3 yam uas txhua qhov tawg xav tau?
Video: Puas tawg yog tshuaj lom neeg lossis lub cev?
2024 Tus sau: Fiona Howard | [email protected]. Kawg hloov kho: 2024-01-10 06:38
nruj me ntsis txheej txheem lub cev, as opposed to chemical or nuclear, e.g., qhov tawg ntawm lub thawv kaw lossis ib nrab ntim ntim hauv qab lub siab feem ntau hu ua kev tawg.
Puas tawg lub cev?
tawg yog lub cev tshwm sim uas ua rau lub zog tso tawm sai sai; tej zaum lawv yuav yog tshuaj, nuclear, lossis mechanical. Cov txheej txheem no ua rau lub siab nyob ze-instantaneous nce siab tshaj atmospheric siab. … Qhov hnyav ntawm qhov tawg siab nthwv dej poob qis nrog lub cubed cag ntawm qhov deb ntawm qhov tawg.
tawg ua los ntawm dab tsi?
Tshuaj muaj pes tsawg leeg
Cov tshuaj lom neeg tawg tuaj yeem muaj cov tshuaj dawb huv, xws li nitroglycerin, lossis sib xyaw ntawm cov roj thiab cov oxidizer, xws li hmoov av dub los yog nplej hmoov av thiab cua.
Dab tsi yog ob yam tshuaj uas tawg thaum sib xyaw?
Muaj sib tov ntawm ob lub tsev tshuaj uas tawg. Muaj Bleach thiab Ammonia. Koj chav ua noj txhua hnub muaj cov cuab yeej tu. Rhaub cawv thiab tshuaj dawb.
Yuav ua li cas 3 yam uas txhua qhov tawg xav tau?
Ib qho tshuaj tiv thaiv yuav tsum muaj peev xwm pib los ntawm kev thov poob siab, kub, lossis ib qho khoom siv hluav taws xob (xws li qee cov tshuaj lom neeg tawg) rau ib feem me me ntawm loj ntawm cov khoom tawg.
Pom zoo:
Puas yog ib qho tseem ceeb ntawm cov tshuaj lom neeg lom neeg ntawm thiols?
Dab tsi ntawm cov hauv qab no yog qhov tseem ceeb ntawm cov tshuaj lom neeg lom neeg ntawm thiols? kev oxidation ntawm ob thiols los ua ib tug disulfide . Yam thiols yog dab tsi? 1 BIOLOGICAL THIOLS Thiols xa mus rau chav kawm ntawm cov organic sulfur derivatives uas yog tus cwj pwm los ntawm qhov muaj sulfhydryl residues (–SH) ntawm lawv qhov chaw nquagTshuaj, thiols yog mercaptans (C-SH) thiab biological mercaptans feem ntau hu ua biological thiols lossis biothio
Lub sijhawm hloov pauv ntawm dna cov tshuaj lom neeg puas tawg?
Denaturation ntawm DNA tshwm sim thaum tsis muaj zog hydrogen bondsntawm ob lub strands raug cuam tshuam thiab cov molecule ua ib leeg tso tseg. Yog li tus nqi ntawm denaturation yog nyob ntawm qhov feem ntawm G + C piv rau A + T hauv paus.
Puas yog ib qho kev hloov tshuaj lom neeg lossis lub cev hloov?
tshuaj muaj zog (acidity, basicity, combustibility, reactivity) . Puas yog tshuaj lom neeg lossis lub cev khoom? Acids thiab Bases yog dab tsi? Cov kua qaub yog cov tshuaj lom neeg uas muaj cov qaub saj hauv qhov nruab nrab aqueous.
Lub cev kub npaum li cas ua rau tib neeg lub cev tawg?
Thaum koj lub cev kub cev nce txog 40°C, koj lub cev pib ua tsis tiav, thiab tshwj tsis yog tias koj nkag mus rau hauv qhov txias dua tam sim ntawd, koj yuav tuag . Yuav kub npaum cas los rhuav tib neeg? Ntawm 118 degrees, tib neeg daim tawv nqaij tuaj yeem txhawb nqa qhov kub hnyiab thawj zaug;
Lub cev twg thiaj tsim kho lub cev hauv lub cev?
Yuav luag txhua lub cev yog tsim los ntawm kwv yees li 10 lub lis piam tom qab fertilization (uas sib npaug 12 lub lis piam ntawm cev xeeb tub). Cov kev zam yog lub hlwb thiab qaum qaum, uas txuas ntxiv tsim thiab txhim kho thaum cev xeeb tub .
