Video: NAA ua dab tsi?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Founded hauv 1905, nws yog lub club qub tshaj plaws hauv tebchaws aviation hauv Tebchaws Meskas. NAA yog " mob siab rau kev nce qib ntawm kev kos duab, kev ua si nawv thiab kev tshawb fawb ntawm aviation hauv Tebchaws Meskas." Scope ntawm NAA encompasses tag nrho cov cheeb tsam ntawm lub davhlau - los ntawm skydiving thiab qauv mus rau kev lag luam airlines thiab tub rog fighters.
Yog li ntawd, NAA txoj haujlwm yog dab tsi?
NAA yog ib qho khoom siv tshuaj hormones hauv tsev neeg auxin thiab yog cov khoom muaj nyob rau hauv ntau cov nroj tsuag kev lag luam rooting horticultural khoom; Nws yog ib tug rooting neeg sawv cev thiab siv rau vegetative propagation ntawm cov nroj tsuag los ntawm qia thiab nplooj cuttings. Nws kuj yog siv rau cov nroj tsuag kab lis kev cai.
Ib sab saum toj no, ua li cas koj yaj NAA? Feem ntau IAA thiab 2, 4-D yog yaj nyob rau hauv ib tug me me ntim ntawm 95% ethyl cawv los yog KOH thiab ces coj mus rau lub ntim nrog ob-distilled dej; NAA ua tau yaj hauv ib qho me me ntawm 1 N NaOH lossis KOH, uas kuj tuaj yeem siv rau yaj 2, 4-D thiab IAA. Cov cytokinins raug suav hais tias yog qhov ruaj khov thiab tuaj yeem khaws cia ntawm -20 ° C.
Ib yam li ntawd, tag nrho daim ntawv ntawm NAA hormone yog dab tsi?
naphthalene acetic acid
Daim ntawv tag nrho ntawm IAA hauv biology yog dab tsi?
Indole 3 acetic acid
Pom zoo:
Dab tsi yog sub account thiab nws siv rau dab tsi?
Ib tug sub account yog ib tug account segregated nested nyob rau hauv ib tug loj account los yog kev sib raug zoo. Cov nyiaj sib cais no yuav muaj cov ntaub ntawv hauv tsev, ntawv xov xwm, thiab lwm yam ntaub ntawv muaj txiaj ntsig lossis muaj cov nyiaj khaws cia hauv kev nyab xeeb nrog lub txhab nyiaj
Dab tsi yog bureaucracy thiab nws cov haujlwm yog dab tsi?
Cov haujlwm ntawm Tsoom Fwv Teb Chaws Bureaucracy. Tsoom fwv teb chaws bureaucracy ua peb lub luag haujlwm tseem ceeb hauv tsoomfwv: kev siv, kev tswj hwm, thiab kev tswj hwm. Kev ua haujlwm niaj hnub ntawm bureaucracy - sau nqi, muab ntawv tso cai, muab xeem, thiab ntxiv rau - yog kev tswj hwm ntawm nws lub hom phiaj
Dab tsi yog memo thiab nws siv rau dab tsi?
Ib daim ntawv memo (lossis memorandum, lub ntsiab lus "reminder") feem ntau yog siv rau kev sib txuas lus txoj cai, cov txheej txheem, lossis lwm yam kev lag luam hauv lub koom haum
Dab tsi yog rau lub tshuab yooj yim thiab cov piv txwv ntawm lawv yog dab tsi?
Cov no yog rau lub tshuab yooj yim: cov nplais, lub log thiab lub qag, qib, lub dav hlau inclined, ntsia hlau, thiab lub log
Dab tsi yog qhov khuam khawb ncaws ua dab tsi?
Liner Hanger yog cov cuab yeej/kab ke uas tau siv los dai cov hlua hauv cov khoom tsim khoom. Liner zoo ib yam li casing, tab sis nws tsis khiav los ntawm qhov tob ntawm qhov dej, zoo li casing yog. Qhov laj thawj tseem ceeb ntawm kev siv liners yog: Qhib lub qhov rooj tawm sai dua