“urea formaldehyde”的概念、定义、翻译、参考文献-科学参考

单词	urea formaldehyde
释义	urea formaldehyde Encyclopedia 工学尿素释 urea formaldehyde脲甲醛由尿素和甲醛在一定条件下反应缩合的产物。白色无味粉末或颗粒状，难溶于水，不挥发，不吸湿，施入土壤后，在水解与微生物侵袭的双重作用下缓慢地释放其养分。它不是单一化合物，而是由链长与分子量所不同的甲基尿素缩合而成，其中包含从一甲基二脲至五甲基六脲等系列聚合物，其全氮（N）含量大约38%。
随便看	administrative punishment for illegal construction administrative punishment in education Administrative Punishment of Food Hygiene administrative reconciliation administrative reconsideration administrative reconsideration committee Administrative Reconsideration Law of the People's Republic of China Administrative Reconsideration of Public Security Cases administrative records and archive management administrative recuperation administrative reform for tribal regions administrative region administrative registration administrative regulation Administrative Regulation on Contracting Foreign Projects Administrative Regulations on Levy and Use of Pollutant Discharge Fees Administrative Regulations on the Approval and Record-filing of Enterprise Investment Projects Administrative Regulations on the Planning and Construction of Villages and Towns Administrative Regulations on the Prevention and Treatment of the Pollution and Damage to the Marine Environment by Marine Engineering Construction Projects administrative regulations related to civil engineering administrative remedy administrative requisition administrative responsibility administrative responsibility in environment and resources law administrative restraint act

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