carbamide

基本解釋

Carbamide peroxide, the whitening agent in bleach, can irritate gums, causing them to bleed and recede.
漂白產(chǎn)品中含有過氧化脲，該物質(zhì)會(huì)破壞牙齦，導(dǎo)致牙齦出血和牙齦退縮。
The wax can be softened with mineral oil, glycerin or ear drops. Hydrogen peroxide or carbamide peroxide may also help.
他們說，礦物油，甘油或滴耳劑可以使耳垢軟化，過氧化氫或過氧化脲也可以起到幫助。
The use, production method and the situation at home and abroad of some carbamide downstream product which have broad market prospect were reviewed.
介紹了幾種具有廣闊市場(chǎng)前景的尿素下游產(chǎn)品的用途、生產(chǎn)方法及國內(nèi)外生產(chǎn)情況。

尿素
The 47.51% was increased, about dry cattle manure 7500 kg/667m2, carbamide 125 kg/667m2, calcium superphosphate 250 kg/667m2 and potassium sulphate 84 kg/667m2.2.
處理T3產(chǎn)量最高為11144.19kg/667m2,較對(duì)照增產(chǎn)42.51%,此施肥水平下施肥量大約每667m2施干牛糞7500kg,尿素125kg,過磷酸鈣250kg,硫酸鉀84kg。
機(jī)械工程
尿素
The optimal condition is reaction temperature 95℃,reaction time 3.5h,concentration of Zn~(2+) 0.6mol/L and molar ratio 2.5 of carbamide/Zn~(2+).
最優(yōu)工藝參數(shù)為:反應(yīng)溫度95℃、反應(yīng)時(shí)間3.5h、Zn2+濃度0.6mol/L、尿素與Zn2+物質(zhì)的量之比為2.5。
取代脲