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The white carbon black formed good thermal conductivity network with the molecular chain of the rubber, and the dispersion of the white carbon black in the natural rubber matrix was improved when the surface of the white carbon black was treated with Si-69, and the thermal diffusivity of the rubber was improved greatly.

白炭黑在Si-69的表面改性作用下,能与胶料分子链形成较好的导热网络结构,使其在天然橡胶基质中的分散程度得到改善,从而使胶料的热扩散系数得以提高。

Thirdly, Lower-grade plants such as lichen, bryozoan etc. begin to grow. Along with the accumulation of living beings is going more and more, the amount of organic matter in the parent material forming soil is going more and more, Then higher-grade plants gradually replace lower-grade plants, and through strong and extensive root system, the dispersive and soluble nutrition can be concentrated. After the death of organisms, and through decomposition of microbes, one part of the remains of the organisms becomes nutrients for plants, and another part of the remains turns into humus.

第三步,地衣、苔藓类低等植物开始生长,随着生物的积累作用越来越大,成土母质中的有机物数量不断增加,最后高等植物逐渐取代了低等植物,通过强大的根系把分散的可溶性养分集中起来,等到这些生物死亡之后,它们的残体经过微生物的分解作用,一部分成为后来植物所需的养分,另一部分变成了腐殖质。

A method used to simutaniously analyze the residues of herbicides (4-chloro-2-methylphenoxy) acetic acid, 2-(4-chloro-2-methylphenoxy) propanoic acid and 4-(4-chloro-2- methylphenoxy) butanoic acid in garlic was developed.

建立了基质固相分散-高效液相色谱法同时测定大蒜中2-甲基-4-氯-苯氧乙酸、2-甲基4-氯-苯氧丙酸、2-甲基-4-氯-苯氧丁酸3种苯氧羧酸类除草剂残留的方法。

Objective To establish an in vitro model of human decidua l cell culture for screening drugs and studying antifertility drugs.

目的建立分散的人蜕膜质细胞培养模型以用于抗生育药物的筛选研究。

In chapter four, take milk for matrix, traditional matrix solid phase dispersion was improved.

第4章以牛奶样品为研究对象,改进了传统的基质固相分散法的样品前处理方法。

Determination of solanesol from tobacco by matrix solid-phase dispersion and high performance liquid chromatography was studied.

研究了用基质固相分散-高效液相色谱法测定烟草中的茄呢醇。

To develop a new method based on matrix solid-phase dispersion to determine abamectin in different vegetables.

将基质固相分散样品前处理法用于不同蔬菜中阿维菌素的残留分析。

In this article, matrix sold-phase dispersion technique was used for extracting and cleaning up five organophosphorus pesticide residues from rapeseed.

采用基质固相分散法从油菜籽中提取、净化油菜生产中常用的5种有机磷农药,用配有火焰光度检测器的气相色谱定性和定量分析。

In order to use carbon nanotubes in composites to improve the characteristics mechanical, thermal, electrical, etc of conventional materials, two important issues need to be carefully addressed: the dispersion of CNTs within the matrix, and the interface between the nanotubes and the material.

利用碳纳米管增强复合材料的性能,有两个关键问题需要解决:碳纳米管在基质材料中的分散问题,以及碳纳米管和材料之间界面的问题。

To develop a new method based on matrix solid-phase dispersion extraction with basic aluminum oxide-graphitized carbon black to determine abamectin in different vegetables. The abamectin was analyzed by HPLC/MS.

寻找一种新的样品前处理法-基于碱性氧化铝-石墨化炭黑的基质固相分散法,并将该方法用于不同蔬菜中阿维菌素的残留分析,HPLC/MS分析检测。

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Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来,英国,在此地早期居住的是凯尔特人,已经被征服了三次。

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