2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Ramie, (Boehmeria nivea), tseem hu ua Tuam Tshoj nyom, fiber-yielding nroj tsuag ntawm tsev neeg nettle (Urticaceae) thiab nws cov bast fiber, ib txwm nyob rau Suav teb. Ntsuab ramie, los yog rhea (Boehmeria nivea, ntau yam tenacissima) tej zaum yuav muaj keeb kwm nyob rau hauv Malaysia thiab kuj yog ib qho fiber ntau.
ramie ntaub yog dab tsi?
Ib txwm nyob rau Suav teb, ramie yog linen zoo li fiber ntau ua los ntawm nettles thiab uas yog cais raws li cellulose fiber, ib yam li paj rwb, linen thiab rayon. Ramie fibers los ntawm qia ntawm nettle nroj tsuag hu ua Tuam Tshoj nyom (Boehmeria nivea). Nws zoo ib yam li European nettle tab sis nws tsis muaj prickles.
Yuav ua li cas cog ramie?
Ramie yog ib qho ntawm cov qoob loo fiber ntau tshaj plaws, tau siv tsawg kawg yog 6,000 xyoo, thiab feem ntau yog siv los tsim cov ntaub. Nws yog bast fiber, uas tuaj los ntawm cov tawv ntoo sab hauv (phloem) ntawm cov vegetative stalksthiab tsis yog cov ntoo qia nws tus kheej lossis cov tawv ntoo.
Puas yog ramie ntuj lossis tsim?
Ramie (Boehmeria niveau) yog ua los ntawm cov fibers ntujthiab yog ib yam nyob mus ib txhis ntawm tsev neeg Nettle. Ramie tseem hu ua Tuam Tshoj nyom, nyom linen, nyom ntaub los yog Tuam Tshoj linen.
Dab tsi yog qhov tsis zoo ntawm ramie?
Disadvantages of Ramie
- qis elasticity.
- Tsis muaj kev tawm tsam.
- Tsawg abrasion resistance.
- Wrinkles yooj yim.
- Nco ntsoov de-txheej txheem gumming.
- Tus nqi siab (vim yuav tsum muaj kev ua haujlwm siab hauv kev tsim khoom, sau thiab kho kom zoo nkauj.)
Pom zoo:
Qhov twg yog hais txog qhov kaj los yog qhov tsaus ntuj ntawm qhov ntxoov ntxoo?
Vim yog hais txog qhov kaj los yog qhov tsaus ntuj ntawm cov xim. Lub teeb xim yog tint. … Xim tsaus yog hu ua ntxoov ntxoo. Lub kaw lus hu ua dab tsi los txiav txim qhov kaj thiab qhov tsaus ntuj ntawm cov xim? Hue txawv ib xim ntawm lwm tus thiab piav qhia siv cov npe xim xws li ntsuab, xiav, liab, daj, thiab lwm yam.
Qhov twg yog qhov tsis txaus ntseeg nyob qhov twg?
Yuav muaj ob lub cev tsis zoo nyob rau hauv lub midbrain. Lawv yog symmetrically positioned, ib tug nyob rau ntawm ob sab ntawm lub midline ntawm lub hlwb, thiab lawv tsim ob lub pob nyob rau hauv lub posterior nto ntawm lub paj hlwb nyob rau hauv qab ntawm lub superior colliculi.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.
Qhov twg thiab qhov twg yog qhov hav silicon?
Silicon Valley yog ntiaj teb qhov chaw ntawm kev tsim kho thev naus laus zis nyob hauv South San Francisco Bay Area ntawm California. Silicon Valley yog lub tsev rau ntau lub tuam txhab thev naus laus zis, software, thiab internet. Qee lub tuam txhab loj hauv cheeb tsam suav nrog Apple, Alphabet's Google, Chevon, Facebook, thiab Visa.
Qhov nyiaj ntawm qhov ntswg tuaj qhov twg?
Thaum cov Danes tau kov yeej Ireland nyob rau xyoo pua cuaj, lawv tau suav suav suav "suav qhov ntswg". Cov nqi se ntau dhau tau raug them rau txhua "lub qhov ntswg", yog li ib tus yuav tsum tau them los ntawm lub qhov ntswg.
