It is introduced the application information of high performances long life urea grease and complex calcium sulfonate grease in steel mill form the respects of satisfying reliability of equipments increasing production efficiency lowering the cost of production and diminishing impact to environment .

从满足设备的可靠性，提高生产效率，降低生产成本和减少对环境的冲击方面，介绍了使用高性能、长寿命的 脲基润滑脂和 复合磺酸钙基润滑脂在钢厂的应用情况。

Urea is fit for preparing thin film because of its small molecular weight and good complex ability .

尿素由于具有小的分子量和较好的 络合性能，更适用于制备薄膜。

Marine diesel engines urea selective catalytic reduction ( Urea-SCR ) system device is very large and reaction is very complex which bring a huge problem to the design work .

船用柴油机 尿素选择性催化还原（Urea-SCR）系统装置十分庞大，反应十分 复杂，这对其系统的设计带来了巨大的难题。

Addition of urea to the solution of β - cyclodextrin increased the polarity of β - cyclodextrin cavity and decreased the formation constant of pyrene - β - cyclodextrin inclusion complex proving that hydrophobic interaction was one of the binding forces of cyclodextrin inclusion complex .

结果表明 脲素的加入使环糊精内腔极性增大，芘-β-环 糊精包络物形成常数减小，这说明疏水相互作用是环糊精包络物形成动力之一。

The refining approaches of α - olefins include zeolites absorption solvent extraction urea complex and prepolymerization .

α－烯烃的主要精制方法有分子筛吸附法、溶剂萃取法、 尿素 络合法和预聚合法。

Experimental study on Hemoperfusion in removing urea with alginate - Zn complex

海藻酸锌 络合物血液灌流吸附 尿素的实验研究

Study on process of producing heavy liquid paraffin by urea complex

尿素 络 合法生产重质液体石蜡的工艺研究

On the separation of urea complex in the extractive crystallization

关于 尿素抽提结晶中的 络合物分离问题 浓郁中国 情结

The Optimization of Separating Fatty Acid from Naphthenic Acid in Urea Complex Technology

尿素 络 合法分离石油酸中脂肪酸工艺优化

Urea can increase the speed of the washing out process . Complex polishing technology with electrolyte and abrasive washing out

脲能增加刚果红从已经染色的肌纤维中洗脱的速率。金属电解液体磨料冲刷 复合抛光工艺

Performance test of ammonia / urea plants of Jinxi Natural Gas Chemical Complex

锦 天化合成氨／ 尿素装置的考核

The results showed that the effect of urea on micro algae growth was more complex than that of ammonium chloride .

结果表明， 有机 氮 尿素对海洋微藻增殖的影响比无机氮的 复杂。

A Simple Calculation of Ammoniation of Superphosphate in the Production of Urea & Superphosphate Complex and Mixed Fertilizer

尿素&普钙系 复混肥生产工艺中普钙氨化的简易计算

The thin film of La_2NiO_4 prepared from urea complex precursor gel have good appearance .

以 尿素为络合剂，可制得形态良好、结构完整的La 2NiO4薄膜。

So water-retaining agents could mix urea and low concentration potassium in process of production and we can study complex water-retaining agents which compose the nitrogen and potassium too .

因此，在生产过程中可以考虑保水剂与 尿素和低浓度的钾肥混合施用，也可以进行赋氮肥、钾肥的 复合型保水剂研究。

Study on novel sorbent for removal of urea complex sorption of urea by means of alginate-cu (ⅱ) complex

新型 尿素吸附剂研究&褐藻酸Cu（Ⅱ） 络合物吸附脲分子研究

The stripping rate is studied using sulfur urea as stripping agent . In addition the composition of the extracted complex is 1 ∶ 4 confirmed by the continuous varying method the saturation method and the slope coefficient method .

用 硫脲作反萃剂对反萃率进行了探讨.应用连续变换法、饱和法、斜率法确定了 配合 物的组成为1∶4，并用红外光谱对萃合机理进行了初步讨论。