说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 尿素包接
1)  urea inclusion
尿素包接
1.
Study on extraction of vitamin E from soybean deodorized sludge by urea inclusion and supercritical carbon dioxide extraction;
尿素包接和SFC结合法浓缩α-维生素E研究
2)  urea inclusion method
尿素包接法
3)  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
4)  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。
5)  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。
6)  coated urea
包膜尿素
1.
Development of calcium hydrogen phosphate coated urea and its release characteristics;
磷酸氢钙包膜尿素的研制及其释放特性
2.
Preparation and slow release effect of coated urea using tung oil as film-forming materials;
桐油包膜尿素的制备及其肥料缓释效应研究
3.
N-releasing characteristics of polymer-coated urea and its evaluation method;
高聚物包膜尿素的氮素释放特性及其评价方法
补充资料:星接阻抗和三角接阻抗的变换


星接阻抗和三角接阻抗的变换
transformation between starc-onnected and delta-connected impedances

x ing]一e乙日kongl介e sonJ一00}Iez日伙ongde匕一。一〕huon星接阻抗和三角接阻抗的变换(t ransfor-mation betweenstar一eonneeted and delta-eonneeted imPedanees)接成星形的三个阻抗和接成三角形的三个阻抗互相替代的等效变换。它们之间的关系可用一组变换公式表示。按这组公式,用星接阻抗替换三角接阻抗或者反过来,不会影响稳态下电路其他部分的正弦电压和电流,常用于对称三相电路的分析和计算。 图1为三个阻抗21、Z:、23接成星形(又称丫形)。图2为三个阻抗Z小22。、Zal接成三角形(又称△形)。它们之间的变换公式如下:人23土图1星接阻抗图2三角接阻抗(1)将星形连接变换成三角形连接212一Z:+22+2 122及3一22+za十警(1)、|冬|矛231一23+21+2321(2)将三角形连接变换成星形连接z、-二一典乒兴-) 艺‘2士乙“3十乙31…_2 oqZI,}Z。一下万~一二-二二-汁 乙‘2士乙23十乙3‘1_Z。IZoq}艺q一二二一~二,二二--,-二二-~J 乙12十乙23十艺32夕(2) 当三个星接阻抗相等,即21一Z:一23一z丫、三个三角接阻抗相等即212一223一231一Z△时,变换公式是 Z二一32丫,Z丫一Z△/3
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