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1)  sulphur coated urea
包硫尿素
1.
The paper introduce the research work on mult-nutrient sulphur coated urea.
主要介绍了缓效多营养包硫尿素实验研究及其缓效性的测定 ,尿素 30min用水淋溶的溶出率为 90 % ,而缓效多营养包硫尿素用水淋溶溶出 90 %的时间为 2 6 0min。
2)  sulphur coated urer(SCU)
硫包尿素
3)  polymer/sulphur coated urea (PSCU)
聚合物硫包膜尿素
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:2-甲基-2-硫代异尿素硫酸氢盐
分子式:C2H6N2S·H2SO4
分子量:278.37
CAS号:867-44-7

性质:结晶(乙醇),熔点 240-241℃ (分解230℃ )。

制备方法:暂无

用途:胍乙啶硫酸盐、氢化泼尼松磷酸钠的中间体。

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