Uria
Nkọwa ngwaahịa
Enyere nkọwapụta
Ihe na-acha ọcha (ọdịnaya ≥46%)
Ihe ndị mara mma (ọdịnaya ≥46%)
Acicular priism crystal (ọdịnaya ≥99%)
(Oghere akwụkwọ ntụaka ngwa 'eji ngwaahịa')
① Ihe mejupụtara, agwa na ihe oriri na-edozi ahụ bụ otu, ihe oriri na-edozi ahụ na ọnọdụ absorption bụ otu, na ọdịnaya mmiri, ike siri ike, ọdịnaya uzuzu na njem na nchekwa nchekwa nke ihe ndị ahụ dị iche iche.
② Ọnụego nkwụsịtụ, ọnụego ntọhapụ nri na ọnụego fatịlaịza nke ihe dị iche iche dị iche iche, na nkwụsịtụ nke obere ihe dị ngwa ngwa na mmetụta dị ngwa; Mgbasa nke nnukwu irighiri ihe na-adị ngwa ngwa na oge fatịlaịza dị ogologo.
③ Ọdịnaya nke nnukwu urea biuret dị ala karịa nke obere ụmụ irighiri ihe, nke a na-eji dị ka fatịlaịza ntọala, ma ọ bụ nnukwu ihe na-emepụta fatịlaịza agwakọtara. Maka akwa akwa akwa, a na-eji obere urea granular maka ịfesa foliar, itinye oghere, itinye trenchi na fatịlaịza fatịlaịza, na iji mmiri wụsa ngwa ngwa.
④ Nnukwu urughuru urea nwere obere uzuzu uzuzu ma e jiri ya tụnyere obere urea, ike dị elu, ezigbo mmiri mmiri, nwere ike ibuga na nnukwu, ọ dịghị mfe imebi na caking, ma dabara maka mechanized Fertilization.
EVERBRIGHT®' ga-enye ahaziri ： ọdịnaya / ọcha / particlesize / PHUru / agba / packagingstyle / nkwakọ nkọwa na ndị ọzọ kpọmkwem ngwaahịa ndị ọzọ adabara gị ojiji ọnọdụ, na-enye free samples.
Usoro ngwaahịa
57-13-6
200-315-5
60.06
Ngwakọta organic
1.335 g/cm³
soluble na mmiri
196.6C
132.7 ℃
Eji ngwaahịa
Njikwa fatịlaịza
[Mgbanwe nke ego ifuru] Iji merie nnukwu na obere afọ nke ubi apụl, ịgbasa 0,5% urea aqueous ngwọta n'elu akwukwo na izu 5-6 mgbe okooko (oge dị oke egwu nke ifuru ifuru osisi apụl, uto nke ome ọhụrụ na-adị nwayọọ ma ọ bụ na-akwụsị, na ọdịnaya nitrogen nke akwụkwọ na-egosi ọnọdụ dị ala), ịgbasa ugboro abụọ n'usoro, nwere ike ime ka ọdịnaya nitrogen dịkwuo elu, na-eme ka mkpụrụ osisi na-eto eto na-eto eto, na-agbapụ okooko osisi dị iche iche. nke nnukwu afọ kwesịrị ekwesị.
[Ifuru na mbelata mkpụrụ osisi] Akụkụ peach ifuru akụkụ ndị ọzọ mmetụta urea, ma mmeghachi omume bụ ngwa ngwa, otú peach mba ọzọ na urea ule, na ya pụta na-egosi na piich na nectarine ifuru na mkpụrụ thinning, mkpa a nnukwu ịta (7,4%) na-egosi ezi pụta, ndị kasị adabara ịta bụ 8% -12%, 1-2 izu mgbe spraying, iji nweta nzube nke ifuru na mkpụrụ thinning.
[Mmepụta mkpụrụ osikapa] Na ngwakọ osikapa mkpụrụ mmepụta technology, iji melite outcross ọnụego nke ndị nne na nna, na-amụba mkpụrụ mmepụta ego nke ngwakọ osikapa ma ọ bụ ọmụmụ ego nke akpali mmasị ahịrị, nnwale e rụrụ na urea kama gibberellin, na ojiji nke 1.5% ka 2% urea na ime ọnụ ọgụgụ kasị elu ogbo na ntị mbụ ntị nhọrọ, ọ na-20% yiri ka fert (20%). ghara ịbawanye elu osisi.
[njikwa ụmụ ahụhụ] Na urea, ịsa ntụ ntụ, mmiri 4: 1: 400, mgbe agwakọtachara, nwere ike igbochi osisi mkpụrụ osisi, akwụkwọ nri, aphids owu, spiders na-acha uhie uhie, ụmụ ahụhụ kabeeji na pests ndị ọzọ, mmetụta ụmụ ahụhụ karịa 90%. [Urea iron fatịlaịza] Urea na-emepụta ígwè cherated na Fe2+ n'ụdị mgbagwoju anya. Ụdị fatịlaịza ígwè nke organic nwere ọnụ ala dị ala yana mmetụta dị mma na igbochi ụkọ ígwè na ọnwụ akwụkwọ ndụ akwụkwọ ndụ. Mmetụta nchịkwa nke chlorosis dị mma karịa nke 0.3% ferrous sulfate.
Nbipụta akwa na ịcha akwa
① Enwere ike iji mee ihe dị ka ọnụ ọgụgụ buru ibu nke melamine, urea-formaldehyde resin, hydrazine hydrate, tetracycline, phenobarbital, caffeine, VAT brown BR, phthalocyanine B, phthalocyanine Bx, monosodium glutamate na ngwaahịa ndị ọzọ na-emepụta ihe.
② Ọ nwere mmetụta na-egbuke egbuke na nchacha kemịkalụ nke ígwè na igwe anaghị agba nchara, a na-ejikwa ya dị ka ihe mgbochi corrosion na pickling metal, ma na-ejikwa ya na nkwadebe nke palladium activation liquid.
③ Na ụlọ ọrụ, a na-ejikwa ya dị ka akụrụngwa maka imepụta urea-formaldehyde resins, polyurethane na melamine-formaldehyde resins.
④ The nhọrọ mbenata gị n'ụlọnga maka denitrification nke combustion iyuzucha gas, yana automotive urea, nke a mejupụtara 32.5% elu-ọcha urea na 67.5% deionized mmiri.
⑤ Iji kewaa paraffin wax (n'ihi na urea nwere ike ịmepụta clathrates), ihe ndị na-emegharị emegharị, akụkụ nke mmanụ ọkụ na-echebe gburugburu ebe obibi, ihe ndị na-eme ka ezé na-acha ọcha, fatịlaịza kemịkalụ, ihe enyemaka dị mkpa maka ịchaji na ibipụta.
⑥ ụlọ ọrụ textile bụ ezigbo ihe mgbaze agbaze / hygroscopic / viscose fiber na-agbasa ozi, onye na-emecha resin, nwere ọtụtụ ojiji. Tụnyere akụrụngwa hygroscopic nke urea na ndị ọrụ hygroscopic ndị ọzọ na ụlọ ọrụ akwa: oke na ịdị arọ ya.
Ọkwa ịchọ mma (ihe na-eme ka mmiri dị nro)
Dermatology na-eji ụfọdụ ihe nwere urea iji mee ka mmiri dị n'ahụ dịkwuo elu. Uwe mechiri emechi ejiri maka mbọ anaghị ewepụrụ ịwa ahụ nwere urea 40%. Urea bụ ihe na-eme ka mmiri dị mma, ọ dị na cuticle akpụkpọ ahụ, bụ ihe na-eme ka akpụkpọ ahụ dị nro NMF bụ isi ihe.
