Central II / N, N-Didethyl-n, N-Diphenylrea / N n-Dimetyldiphenylreas CAS 611-9-Dadethyl-1,3-Diphenylurea
1.Nws yog siv los ua cov khoom siv Nitro, cov propellants, thiab kev tsim cov khoom siv nruab nrab ntawm cov organic tshuaj.
2.Qhov tseem yog cov khoom siv tseem ceeb rau kev tsim cov khoom siv biradical hmoov.
Tshuaj lom hluav taws xob: Feem ntau nws siv los ua cov reagent hauv cov synthic synthesis, tshwj xeeb tshaj yog nyob rau hauv kev npaj lwm qhov sib txuas. Nws cov qauv ua rau nws koom nrog ntau yam tshuaj lom neeg.
Cov kev tshawb fawb tshuaj: Cov compound tuaj yeem siv rau hauv kev siv tshuaj yeeb lossis raws li kev siv compound hauv kev tshawb fawb txog kev muaj roj ntsha.
Kev tshawb fawb txog kev tshawb fawb txog kev tshawb fawb txog roj ntsha: n, n'diphenylenya tuaj yeem siv los kawm txog nws cov peev xwm sib cuam tshuam nrog cov enzymes lossis receptors.
Polymer Chemistry: Nws tuaj yeem siv nyob rau hauv synthesis ntawm synthesis ntawm cov synthesis ntawm cov khoom siv polymers, lossis ua ntxiv los hloov cov khoom ntawm cov khoom siv polymer.
Kev siv chemicals ua liaj ua teb: Qee cov urea derivatives yog siv hauv agochemicals, txawm hais tias cov ntawv thov tshwj xeeb ntawm n, n'-diphenylrea hauv cov teb no yuav txawv.
Cov kuab tshuaj thiab reagents: nws tuaj yeem siv los ua cov kuab tshuaj lossis reagent hauv ntau cov txheej txheem kuaj.
Nws yog soluble hauv cawv, neeg muaj kev nyab xeeb, benzene thiab feem ntau cov kuab tshuaj organic, tab sis insoluble hauv dej.
Khaws cia rau ntawm qhov chaw qhuav, cov duab ntxoo, muaj qhov cua. Txhawm rau kom muaj kev nyab xeeb thiab khw zoo n, n'-dimethyl-n, n'-diphenylrea, xav txog cov lus qhia hauv qab no:
1. Thawv: Khaws lub thawv ntim hauv cov thawv kaw ntom nti kom tiv thaiv kom tsis txhob muaj kev sib kis thiab noo noo. Iav lossis cov khoom siv yas zoo yog feem ntau haum.
2. Qhov kub: Khaws lub compound nyob rau hauv qhov chaw txias, qhuav. Zam kev kub siab, uas tuaj yeem ua rau cov khoom sib xyaw ua ke los ua kom tsis pom zoo lossis hloov pauv.
3. Kev tiv thaiv lub teeb: yog tias cov compound yog lub teeb pom kev zoo, khaws nws hauv cov thawv tsaus lossis opaque ntim kom txo qis kev raug hluav taws xob.
4. Vuag tswj: Nco ntsoov tias qhov chaw cia khoom yog qhuav, raws li noo noo tuaj yeem cuam tshuam rau kev ruaj ntseg ntawm lub compound. Siv tus desiccant nyob rau hauv lub thawv ntim khoom tuaj yeem pab tswj cov av noo qis.
5. Daim ntawv lo: daim ntawv lo qhia kom meej nrog cov compound lub npe, kev xav, thiab cov ntaub ntawv muaj kev phom sij.
6. Kev ceev faj kev nyab xeeb: Ua raws li cov ntaub ntawv pov thawj kev nyab xeeb tshwj xeeb
7. Kev rho tawm: Khw kom deb ntawm cov ntaub ntawv tsis sib xws (xws li muaj zog oxidizing oxidizing cov neeg sawv cev lossis cov acids) los tiv thaiv qee cov peev txheej.
Kev piav qhia ntawm tsim nyog ua ntej-pab ntsuas
Yog nqus tau
Txav tus neeg raug tsim txom mus rau huab cua huv. Yog tias ua pa nyuaj, muab cov pa oxygen. Yog tias tsis ua pa, muab ua pa ua pa thiab sab laj rau tus kws kho mob sai sai. Tsis txhob siv lub qhov ncauj rau qhov ntswg rov ua dua yog tias tus neeg raug mob los yog nqus tau cov tshuaj.
Tom qab cov tawv nqaij hu
Hle khaub ncaws tsis huv tam sim ntawd. Ntxuav tawm nrog xab npum thiab dej ntau. Sab laj tus kws kho mob.
Ua raws li kev sib cuag
Yaug nrog cov dej ntshiab kom tsawg kawg yog 15 feeb. Sab laj tus kws kho mob.
Tom qab noj
Yaug lub qhov ncauj nrog dej. Tsis txhob ua ntuav ntuav. Tsis txhob muab dab tsi los ntawm qhov ncauj rau tus neeg tsis nco qab lawm. Hu rau kws kho mob lossis tshuaj tswj chaw nres tsheb tam sim ntawd.
Thaum thauj N, n'-dimethyl-n, n'-diphenylrea, nws yog ib qho tseem ceeb kom ua kev tiv thaiv tshwj xeeb thiab ua raws li kev nyab xeeb. Nov yog qee qhov tseem ceeb rau ceeb toom rau thaum lub sijhawm thauj:
1. Ua raws li cov zaub mov xa tuaj ua raws li cov kev cai hauv zos, cov kev cai hauv tebchaws thiab thoob ntiaj teb hais txog kev thauj khoom. Qhov no suav nrog cov ntawv sau, cov ntaub ntawv thiab kev ua raws li cov lus qhia kev thauj khoom.
2. Ntim: Siv cov ntaub ntawv ntim uas tsim nyog tau sib xws nrog n, n'-dimethyl-n, n'-diphenylenya. Lub khob ntim yuav tsum muaj zog, muaj cov ntaub qhwv thiab tsis tawg yooj yim. Ib lub foob thib ob yuav tsim nyog los tiv thaiv kev txeej.
3. Daim ntawv lo: Daim cim qhia meej rau txhua lub thawv nrog lub npe tshuaj lom neeg, cim kev phom sij, thiab cov ntaub ntawv muaj kev phom sij. Ua kom ntseeg tau cov ntawv cim yog cov kev cai tswjfwm thiab tau raws li kev cai.
4. Kev tswj kub: Yog tias koj qhov txuas nrog kub yog qhov kub ntxhov, nco ntsoov tias nws tau xa mus rau qhov chaw ntsuas kub kom tiv thaiv kev ua kom tsis txhob muaj kev txwv.
5. Zam cov khoom siv tsis sib xws: thaum n, n'-dimethyl-n, n'-diphenylrea yuav tsum tau muab khaws cia kom deb ntawm cov tshuaj oxidants muaj zog lossis cov acids kom tiv thaiv ib qho peev txheej.
6. Cov cuab yeej tiv thaiv tus kheej (PPE): Xyuas kom cov neeg ua haujlwm cuam tshuam nrog hnab looj tes uas muaj kev thauj cov hnab looj tes
7. Cov txheej txheem thaum muaj xwm ceev: txhim kho cov txheej txheem thaum muaj xwm txheej ceev los daws cov hnoos qeev lossis raug xwm txheej thaum thauj khoom. Qhov no suav nrog kev npaj cov khoom txau thiab cov khoom siv ua ntej.
8. Kev kawm: xyuas kom txhua tus neeg ua haujlwm koom nrog kev tuav cov txheej txheem kev nyab xeeb thiab nkag siab cov phom sij nrog n, n'-dimethyl-n, n'-diphenylenya.
1. Koj puas tuaj yeem muab cov kev pabcuam customized?
Re: Yog lawm
2. Kuv tuaj yeem tau txais tus nqi li cas?
Re: Thov sib pab, ib yam li peb xav tau, qhov chaw, chaw nres nkoj (chaw nres nkoj), ces peb yuav hais tsis pub dhau 3 teev ua haujlwm tom qab peb nug.
3. Lub sij hawm them nyiaj twg koj puas kam txais?
Re: Peb Txais Tos T / T, L / C, Alibaba, Paypal, Western Union, Alipay, WeChat Them Nyiaj, thiab lwm yam.
4. Lub sijhawm twg uas koj feem ntau ua?
Re: Exw, FCA, FOB, CFR, CFR, CFR, CF, DDU, DDU, DDP, thiab lwm yam nyob ntawm koj qhov xav tau.
