1·Chaotropic agents, such as urea and guanidine are capable of bringing some hydrophobic compounds into aqueous solutions.
诸如尿素和胍的离液剂能够将一些疏水化合物带入水溶液中。
2·Nitrogen compounds, like urea, a big component of urine, are transformed over several steps.
含氮化合物如尿的主要组成成分尿素则经过几步被转化。
3·So he and his colleagues tested a range of chemicals found in fertilizers, including nitrate, ammonium and urea, to determine their effects on the algae.
他和同事们研究了肥料中的一系列化学物质,包括硝酸盐,铵和尿素,观察他们对海藻的影响。
4·"Marine animals release small amounts of urea, but the pollution problem is almost entirely human caused," says Kudela.
库德拉认为海洋动物排泄的尿素很少,污染问题几乎都是人类造成的。
5·Sweat is also known as perspiration, and it is made almost completely of water, with tiny amounts of other chemicals like ammonia, urea, salts, and sugar.
汗液几乎全是由水组成,也含有微量的化学元素,包括氨、尿素、盐和糖。
1·In the aspects of bleaching, sterilizing and producing oxygen, urea peroxide is widely used.
过氧化脲在漂白、杀菌和制氧诸方面均有广泛用途。
2·The structures, synthetic methods, insectical mechanism, degradation, together with environmental safety of benzoyl urea chitin synthesis inhibitors were reviewed in this paper.
对苯甲酰基脲类几丁质合成抑制剂的结构、合成方法、作用机制、代谢及环境安全性等进行了评述。
3·The storing stability of urea formaldehyde resin adhesive with the change of PH value is researched in attempt to guide the production and imporove the application for products.
对脲醛树脂胶的贮存稳定性随p H值的变化进行研究,以指导生产,提高产品的适用。
4·Urea peroxide is the additive compound of hydrogen peroxide and urea.
过氧化脲是过氧化氢和尿素的加成化合物。
5·First, epoxy resin reacts with melamine and urea under certain conditions, and then the product reacts with formaldehyde.
环氧树脂先与三聚氰胺和脲在一定条件下反应,然后再与甲醛反应。