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- The urea concentration to wash and purify protein was confirmed. 确定了洗涤和溶解包涵体的最佳尿素浓度；
- It was found that when the urea concentration of wastewater was higher than 26.3%, urea would crystallize with ice before the freeze concentration limitation. 研究结果表明：尿素废水在达到浓缩极限之前，当尿素浓度高于26.;3%25时，继冰晶析出之后会共晶析出尿素；
- Based on the discovery that the activity of recombina nt streptokinase (rSK) is independent with the solution urea concentration, a simplified method in measuring rSK activity is introduced. 通过生物活性测定发现重组链激酶的活性与溶液中的尿素浓度大小无关，因此活性测定得以简化。
- Renaturation of rbIL-2 by dialysis against urea concentration gradient 尿素浓度梯度复性重组牛白细胞介素-2
- His area of concentration is nuclear physics. 他的专门研究范围是原子物理学。
- The drug affects one's power(s) of concentration. 这种药影响人精神不能集中。
- There is a concentration of people in big cities. 大城市人口集中。
- He seized every chance to break out of the Nazi concentration camp. 他抓住一切机会从纳粹集中营跑出来。
- A state of mental concentration. 专心致志，全神贯注全神贯注的状态
- Exceptionally great concentration, power, or force. 特别强烈的程度，力量或动力
- A clathrate compound, such as urea. 包合物一种笼状化合物，如尿素
- The POWs burst out from(of) that Nazi concentration camp one night. 一天夜里战俘们冲出了那个纳粹集中营。
- But 120 tons of urea is really a small one. 但120吨尿素确实是个小数目。
- urea concentration [医] 脲浓度
- Stress and tiredness often result in a lack of concentration. 紧张和疲劳常使人精神不集中。
- Concentration is essential if you want to do a good job. 如果你想把事情做好,专心是必要的。
- Government tender urea must submit price by 18th noon. 政府招标尿素，须于18日正午前报价。
- The tennis players need total concentration during play. 网球运动员在比赛中需要全神贯注。
- The effects of urea concentrations on carboxypeptidase B activeties under the condition of different pHs 不同pH值下尿素浓度对羧肽酶B活力的影响
- He spent several months in a Nazi concentration camp before he broke out. 他在纳粹集中营里关了几个月后逃了出来。
