1) urea degradation
尿素缩合
1.
Based on the principle of degrading formaldehyde by urea and the principle of adsorption by activated carbon,the two methods,urea degradation and activated carbon adsorption,were compared on feasibility and economy.
根据尿素与甲醛缩合原理与活性炭吸附原理,采用尿素缩合法与活性炭吸附法处理模拟甲醛废液,比较两方法的可行性与经济性后,最终选择尿素缩合法为处理方案,并用实验室实际废液验证该方法。
2) urea condensate
尿素缩合物
3) condensation method between phosphoric acid and urea
磷酸与尿素缩合法
1.
The processes,characters and uses about the short chain and oligomeric agricultural ammonium polyphosphate are described by condensation method between phosphoric acid and urea.
重点介绍磷酸与尿素缩合法生产农用短链低聚磷酸铵的生产方法、性质、用途。
4) urea adduction fractionation
尿素包合
1.
Decreasing the erucic acid content in Descurainia Sophia seed oil by freezing crystallization and urea adduction fractionation;
冷冻结晶法和尿素包合法降低播娘蒿籽油中芥酸的研究
2.
Purification of oleic acid from oil-tea camellia seed oil by urea adduction fractionation;
尿素包合法提纯油茶籽油中油酸的工艺研究
3.
Enrichment of linoleic acid from sunflower oil with improved urea adduction fractionation;
改进的尿素包合法富集葵花籽油中亚油酸的研究
5) urea inclusion
尿素包合
1.
Ingredient analysis for mixed fatty acid from lithospermun erythrorhizonoil after urea inclusion;
紫草油脂肪酸尿素包合后的组成分析
2.
In the process of purification of arachidonic acid(AA) from fungi lipids by urea inclusion,orthogonal design were used.
为提高尿素包合法富集花生四烯酸的效率,通过正交设计对甲醇用量、结晶温度、尿/酯比、降温速度等因素进行分析,发现降温速度对分离效果有显著影响、结晶过程是制约分离效果的瓶颈。
3.
Purification of arachidonic acid from fungi lipids by urea inclusion was studied,and effect of crystallization temperature,cool speed,ratio of urea to fatty and volume of methanol on the yield and purity of arachidonic acid was investigated.
为提高尿素包合法富集花生四烯酸(AA)效率,研究了降温速度、甲醇用量、尿酯比及结晶温度对花生四烯酸(AA)晶体大小、收率及纯度的影响。
6) urea-inclusion
尿素包合
1.
The fatty acid methyl esters was prepared from Acer Truncatum buge oil,and the main influence factors of separating nervonic acid methyl ester by urea-inclusion method were analysed.
将元宝枫油制成混合脂肪酸甲酯,再应用尿素包合法对其中的神经酸甲酯分离的主要影响因素进行了正交试验研究。
2.
Based on the method of low temperature crystallization and urea-inclusion,linoleic acid and α-linolenic acid were successfully isolated from the seed oil of Descurainia sophia.
利用冷冻结晶法和尿素包合法分离播娘蒿种子油中的亚油酸和α-亚麻酸,降低其中的芥酸。
补充资料：尿素磷酸盐
分子式：
分子量：
CAS号：
性质：见磷酸脲。
分子量：
CAS号：
性质：见磷酸脲。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条