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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%。
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parallelism measurement
parallelism of mind-body
parallel iteration
parallel iteration method
parallelizability
parallelizability of manifolds
parallelizability theorem
parallelizable
parallelizable manifold
parallelizable sphere
parallelizable variety
parallelization
parallelization of numerical reservoir simulation
parallelizing compilation
parallelizing compiler
parallel join
parallel join algorithm
parallel jurisdiction
PARallel Kernels and BENCHmarks
parallel-laid lapping
parallel line and plane
parallel lines
parallellines
parallel machine scheduling
parallel match
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