结果表明，石灰氮对硝化作用有明显的抑制效应，并能抑制脲酶活性，延缓尿素水解。
The results showed that the effect of lime-nitrogen on the inhibition of nitrification is obvious, and it inhibited urease activity and decreased the hydrolytic rate of urea.
硫脲对脲酶活性和尿素水解均有显著的抑制作用，但是作用时间较短；
TU inhibited urease activity and urea hydrolysis effectively in a short time.
以甲醛与尿素作为单体在正硅酸乙酯水解所得的氧化硅溶胶中进行聚合反应制得了有机—无机二氧化硅复合微球。
The composite silica microsphere was obtained through the polymerization of urea and formaldehyde occurred in the silica sol that prepared from the hydrolyzation of tetraethyl orthosilicate.
针对尿素水解系统在生产中暴露出来的问题，分析问题存在的原因，提出了改造方案。
The article presents the problems existed in urea hydrolysis system, analyzes the reasons, and puts forward revamping scheme.
建立了尿素水解速率与四因素的回归模型。
It built the regressive model between the rate of urea hydrolysis and the four factors.
通过对样品的采集、洗脱、消化水解、条件试验及抗干扰试验，证实本法能准确测定空气中微量尿素尘的含量。
Through collecting, dehydration, conditioned test and anti-jamming test of the sample, the content of trace urea dust in the air can be exactly determined by way of such technique.
用尿素和淀粉为原料，以淀粉的水解产物与尿素进行缩合反应，合成出一种新型的胶粘剂。
A new kind of adhesive has been synthesized from starch and urea through condensation reaction. The process was simple with less environmental pollution and less corrosion.
介绍了尿素解吸水解系统在实际运行中出现的问题，针对问题进行的一系列技术改造以及改造后的运行情况。
Discussed and analzed the problems existed in the operation of the desorption and hydrolysis system of the urea plant, proposed corresponding solutions, and technical revamping was made accordingly.
介绍了尿素解吸水解系统在实际运行中出现的问题，针对问题进行的一系列技术改造以及改造后的运行情况。
Discussed and analzed the problems existed in the operation of the desorption and hydrolysis system of the urea plant, proposed corresponding solutions, and technical revamping was made accordingly.
应用推荐