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In this paper,the comparative studies on the effects of triazine herbicide Atrazine on seedlings growth,contents of chlorophyll and soluble protein,chromosome structure of root meristem,protein compositions of root meristems and chloroplast have been made in Oryza sativa.

比较研究了不同浓度三氮苯类除草剂对水稻幼苗生长、叶绿素及可溶性蛋白质含量、根尖分生组织染色体结构、分生组织和叶绿体蛋白质组分的影响。

The microstructure and phase compositions of the powders as well as the deposited coating were analyzed by SEM and XRD, while the friction and wear behavior of the coatings from room temperature to 500℃ were evaluated using a SRV high temperature tribometer.

研究了涂层组成、结构以及从室温到500℃涂层的摩擦磨损性能。

Glass batches of compositions in the tridymite,lithium metasilicate, lithium disilicate and spodumene primary phase regions of Li_2O—Al_2O_3—SiO_2 system were melted and crystallised.

取自鳞石英、偏硅酸锂、二硅酸锂和锂辉石4个相区的玻璃成分，经过熔制、析晶，并用X-射线衍射方法鉴定了析出的晶相。

At the same time, people have made progress in measurement method of tritium. It is different in the measurement instrument and the chemical agents and the compositions of the sample.

由于测量的仪器、所用的化学试剂及所测样品的组成各不相同，对某一特定工艺条件下的各种氚样品的测量方法作有针对性的研究，这对分析测定的质量保证仍是十分必要的。

Different compositions of the three elements result in their respective trope of nostalgia.

三者不同的内容形成相应的怀旧氛围。

The investigation of the solution treatment of hot-rolled TWIP steel of three different compositions (Fe-25Mn-4Si-2Al, Fe-30Mn-4Si-2Al and Fe-30Mn-3Si3Al) revealed that prolonging the temperature holding time can increase the elongation with no obvious change found in strength.

对3种不同成分的TWIP钢(Fe-25Mn-4Si-2Al， Fe-30Mn-4Si-2Al， Fe-30Mn-3Si-3Al)进行热轧后的热处理实验，结果表明，增加固溶处理的保温时间，可提高TWIP钢的延伸率，而强度的变化并不明显。

Compositions and features of the base oil used in producing FB two-stroke engine oil were briefly described.

介绍了FB二冲程油基础油的组成和特性，进行了添加剂的筛选和配方研制。

In her art, Xu Xiaoyan has pitted essence against non-essence. As a painter, she has retained the essence of nature; the manners she uses colors and brushes as well as the compositions of her paintings are quite undecorated, in another word, nature.

徐晓燕的艺术是用本质对应非本质，她作为一个画家仍然保持了自然的本质，她的颜色、用笔和构图的方式都是非常本色的。

The effects of soil density and compositions of soil were mainly changed in upper layer (0～5cm) under the surge flow irrigation. And the undersurface phenomenon was as well as the continuous irrigation.

结果表明： 1。波涌灌溉对土壤表层0～5cm土层容重和土壤粒级组成影响比较大，表层之下与常规连续灌溉基本一致。

The same applies to several compositions which were undeservedly relegated to volume IX.

同样的手法也应当应用于几个被不当归入第九卷的曲目。

Objective To investigate the relationship between ovum fertilization rate and sperm morphology, acrosome reaction in IVF and to explore the influence of parameters of sperm on fertilization rate.

目的 研究体外受精(in vitro fertilization，IVF)中精子形态、顶体反应与卵子受精率之间的关系，分析精子各参数在IVF受精率方面的参考意义。

A: I hear Mr. White wants to run for the Presidency!

我听说怀特先生要参加总统竞选！