ureas
基本解釋
- 尿素塑料(類)
英漢例句
- A clathrate compound, such as urea.
包合物一種籠狀化合物，如尿素 - But 120 tons of urea is really a small one.
但120噸尿素確實(shí)是個(gè)小數(shù)目。 - Government tender urea must submit price by 18th noon.
政府招標(biāo)尿素，須于18日正午前報(bào)價(jià)。 - They are often synthesized from isocyanates or substituted ureas.
其合成方法主要有異氰酸酯法和取代脲法等方法。 - Allantoin is one of the important urea derivative products.
尿囊素是一種重要的尿素衍生產(chǎn)品。