As a result they suffer greatly from poor health and some of them may do poorly in the examinations.

Those usually turn out to be the subjects you don't like or tend to do poorly in.

这些课通常是你不喜欢的或是学得不好的课程。

Then I picked up a magazine from the table and attempted to while away the time with it,

于是我从桌上拿起一本杂志翻翻，借此消磨等待的时间，

A detective story helps to while away the time.

侦探小说有助于打发时间。

Shrewdly, the hotel realised that, with so many night flights out of Hong Kong, guests who had already checked out needed somewhere to while away the time.

这家酒店精明地认识到，香港有很多航班在夜间起飞，已经退房的客人需要有地方消磨时间。

We while away the time at the airport read magezines.

我们在机场阅读杂志消磨时间。

Separation of Dimethylsulfoxide and Water Mixture

二甲基亚砜/水混合物的分离研究

Effects of different membrane proteins and dimethylsulfoxide on neurite growth of cerebellum granule cells

不同组织膜蛋白及二甲基亚砜对小脑颗粒细胞突起生长的影响

A possible growth mechanism of DLC films is proposed based on the structure and physical properties of dimethylsulfoxide.

并从二甲亚砜的分子结构及其物理性质对薄膜的沉积的机制进行了探讨。

Preparation for Y Ni alloy film in dimethylsulfoxide electrolyte solution

二甲基亚砜溶剂中Y-Ni合金膜的制备

Study on the Solubility Properties of Soybean Protein in Dimethylsulfoxide/ Urea

大豆分离蛋白质在二甲亚砜/尿素中溶解特性的研究

The effect of dimethylsulfoxide ( DMSO) on N-acetyl-β-D-glucosaminidase ( NAGase) from green crab ( Scylla serrata) has been investigated.

以二甲亚砜（DMSO）为效应物，研究其对锯缘青蟹N-乙酰-β-D-氨基葡萄糖苷酶（NAGase）活力的影响。

Under the optimum conditions such as 10% dimethylsulfoxide as the organic solvent, the enzymatic reaction rate in water/ water-soluble organic solvent system was about four times higher than that in aqueous system.

有机溶剂以二甲亚砜为宜，其质量分数以10%左右为佳.在此优化反应条件下，水水溶性有机溶剂体系中酶反应的速度较水相中提高近4倍。

Study and application of quantitative ELISA kit in detection of antibody to tetanus

酶联免疫破伤风抗体定量试剂的研制及应用

Study and preparation of ELISA kit for the determination of interleukin-6

检测IL-6的ELISA试剂盒的研制

With the increasing sensitivity of ELISA kit, spreading risk by blood transfusion is becoming relatively lower.

近年来随着检测试剂盒灵敏度的不断提高，经输血传播病原微生物的危险性已经处于较低水平。

Finally, ELISA kit was assembled and prepared.

最后组装制备试剂盒。

Specific serum IgG antibodies against diphenylmethane diisocyanate in occupationally exposed workers

二苯甲烷二异氰酸酯作业工人血清中抗原特异性IgG抗体测定

The applications and production of 4,4 ′-diphenylmethane diisocyanate are described.

综述4,4′-二苯甲烷二异氰酸酯（MDI）应用及生产现状。

Synthesis of Diphenylmethane Catalyzed by Activated Carbon Modified with H_2SO_4

H2SO4改性活性炭催化合成二苯甲烷

Diphenylmethane would have a two proton peak.

二苯甲烷必定有一个二质子的峰。