请输入您要查询的字词:
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
fragile watermarking
fragility
fragility fractures
fragment
Fragmentary Black Lacquer Tray Inlaid with a Picture of the Moon Palace in Mother-of-pearl
fragmentary book
fragmentation
fragmentation-blast warhead
fragmentation-dispersion area
fragmentation extension header
fragmentation function
fragmentation limit
fragmentation of production
fragmentation of social stratification
fragmentation reaction
fragmentation spore
fragment based drug design
fragment-based drug design
fragment connection-based drug design
fragment connection method
fragment crystallizable region
fragmented coal
fragmented communication
fragmented editing
Fragmented Pronunciation of the Songs of Chu
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/6/11 20:08:15