2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Txoj haujlwm yog qhov ncaj qha rau kev txiav txim siab ncua kev tsim nyog. Thoob plaws hauv kev tsov rog ntau pawg tau thov thiab tau txais kev tiv thaiv, suav nrog cov zej zog kho mob, cov tub ntxhais kawm ntawv qib siab, cov kws qhia ntawv, kws tshawb fawb, kev ua liaj ua teb, thiab kev lag luam ua tsov rog.
Leej twg raug zam los ntawm kev sau npe hauv ww2?
Lub Chaw Pabcuam Hauv Tebchaws (Armed Forces) Txoj Cai tau sau npe rau txhua tus txiv neej hnub nyoog nruab nrab ntawm 18 txog 41uas yuav tsum tau sau npe rau kev pabcuam. Cov kev kho mob tsis haum tau raug zam, ib yam li lwm yam hauv kev lag luam tseem ceeb thiab kev ua haujlwm xws li ci, ua liaj ua teb, tshuaj, thiab engineering.
Yuav ua li cas rau cov tsev kawm qib siab thaum ww2?
Cov tsev kawm qib siab tau qhib thoob plaws Ntiaj Teb Tsov Rog Zaum Ob. Tus naj npawb ntawm cov kws qhia ntawv thiab cov tub ntxhais kawm raug txo qis vim yog kev ua tsov ua rog. Thaum ntxov ntawm kev ua tsov ua rog cov tub ntxhais hluas tau txais tub rog los koom nrog cov tub rog pom muaj coob tus poj niam hauv tsev kawm ntawv.
Puas yog lawv tsim cov hnub nyoog 16 xyoo hauv ww2?
Nyob hauv Ntiaj Teb Tsov Rog II, Teb Chaws Asmeskas tsuas yog tso cai rau cov txiv neej thiab poj niam 18 xyoo lossis tshaj saud tuaj yeem sau lossis sau npe ua tub rog, txawm tias cov hnub nyoog 17 xyoo tau tso cai. enlist nrog niam txiv tso cai, thiab cov poj niam tsis raug tso cai nyob rau hauv kev sib ntaus sib tua. Qee tus tau dag txog lawv lub hnub nyoog.
Puas muaj ib daim qauv hauv WWII?
Lub Cuaj Hlis 16, 1940, Tebchaws Meskas tau tsim Txoj Cai Xaiv Kev Kawm thiab Kev Pabcuam xyoo 1940, uasxav kom txhua tus txiv neej hnub nyoog ntawm 21 thiab 45 mus rau npe rau daim qauv. Thaum Asmeskas nkag mus rau WWII, cov ntawv sau tau txuas ntxiv mus txog lub sijhawm ntawm kev sib ntaus sib tua. …
Pom zoo:
Puas kawm ntawv qib siab pub dawb rau tus nqi kawm ntawv qib siab?
cov tsev kawm ntawv pub dawb yuav khiav qhov kev pheej hmoo ntawm kev poob qis los ntawm cov tswv lag luam yav tom ntejmuab qhov tsis muaj peev xwm rau cov kawm tiav tsis ntev los no los sib txawv lawv cov qib, uas yuav tsis yog rau cov neeg kawm ntiag tug.
Qhov kev hloov pauv no puas yuav ua rau muaj kev hloov pauv hloov pauv?
Yog li, yog tias muaj kev hloov pauv, piv txwv li, kev ntxig lossis tshem tawm ntawm nucleotide, tshwm sim, qhov no tuaj yeem ua rau kev hloov pauv ntawm kev nyeem ntawv. Nws hloov tag nrho cov amino acid ib ntus. Cov kev hloov pauv no yog hu ua frameshift mutation (tseem hu ua kev nyeem ntawv hloov pauv, nyeem ntawv hloov pauv, lossis framing yuam kev).
Qhov twg yog qhov kev hloov pauv hloov pauv hloov pauv?
Semiconservative replication piav qhia txog cov txheej txheem ntawm DNA replication nyob rau hauv tag nrho cov paub hlwb. DNA replication tshwm sim ntawm ntau lub hauv paus pib ntawm kev rov ua dua raws DNA qauv strand. Raws li DNA ob chav helix yog unwound by helicase, replication tshwm sim nyias ntawm txhua tus qauv strand nyob rau hauv antiparallel cov lus qhia.
Qhov kev hloov pauv twg yog xav tias yuav cuam tshuam los ntawm kev hloov pauv hloov pauv?
Dependent Variable Qhov sib txawv uas nyob ntawm lwm yam uas ntsuas. Cov kev hloov pauv no yuav tsum tau hloov pauv raws li qhov kev sim ua haujlwm ntawm tus kheej hloov pauv lossis hloov pauv. Nws yog cov nyhuv presumed. Qhov kev tshawb fawb hloov pauv twg yog qhov tshwm sim?
Los ntawm kev hloov pauv hloov pauv hloov pauv?
Kev hloov pauv hloov pauv hloov pauv (TMA) yog qhov isothermal (tsis hloov pauv nucleic acid kub), ib leeg-tube nucleic acid amplification system siv ob lub enzymes, RNA polymerase thiab thim rov qab kev sau ntawv. … Cov txheej txheem no tuaj yeem siv los tsom rau RNA thiab DNA.
