Study on the rheological behavior of cellulose/NaOH-urea-thiourea solution system;
纤维素/NaOH-尿素-硫脲溶液体系流变性能的研究
Primary investigation of the low temperature dyeing process of wool based on urea;
以尿素为基础的羊毛低温染色工艺初探
Study on spinnability of urea-solubilized cellulose carbamate;
尿素增溶纤维素氨基甲酸酯的可纺性研究
Research of the Performance of Carbamide and Starch Size Mixture;
尿素与淀粉混合浆液的性能研究
A Chemical Fertilizer with Biodegradation Polyurethane Integument Carbamide;
生物降解聚氨酯包膜尿素化肥的研究
Open cell aluminum foams were prepared by traditional powder metallurgy process,with spherical carbamide particles as the space-holder.
以球形尿素颗粒为造孔剂,采用传统的粉末冶金工艺制备开孔泡沫铝并研究了其性能。
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
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
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
Comparison on urea dewaxing among straight-run diesel distillates of three crude oils;
三种原油的直馏柴油馏分油尿素脱蜡的比较
New Energy Conservation Measures of the Urea Dewaxing Unit;
尿素脱蜡装置节能新举措
The feasibility of usillg solvent dewaxing - urea dewaxing to produce low - pour- point lubricating oils was studied, the influences of two kinds of dewaxing methods on tile low temperature properties oflubricating oils were also analysed.
研究利用溶剂脱蜡一尿素脱蜡组合工艺生产低凝润滑油的可行性,并研究了不同脱蜡方法对润滑油低温性能的影响，研究表明,采用溶剂脱蜡－尿素脱蜡组合工艺生产低凝润滑油是可行的，尿素脱蜡所脱蜡对润滑油低温性能的影响程度要比溶剂脱蜡的大，相同脱错量时；尿素脱蜡油的低温性能要远比溶剂脱蜡油好；达到相同的凝点时，原东脱蜡油的收率要高于溶剂脱蜡油。