查询词典 fibers

According to the prior research , a highly efficient ext raction method was modified1 High2concent ration and DNA 2f ree RNA could be attained by using CTAB/ Guanidine Thiocyanate ext racion buffer1The total RNA can reach 1.7～2.0 of the OD260/ OD280 ratio with the yield of more than 015mg per gram of f resh tissues1 The method is suitable for high2quailty total RNA ext raction in leaves , root s , corollas , seeds and developing fibers.

本研究在前人方法的基础上对快速提取棉花组织总RNA 的方法进行了探讨。利用改进的CTAB 异硫氰酸胍裂解缓冲液，获得的RNA完整性好，无 DNA 污染，含量高，每克鲜组织能提取015mg 总RNA ， OD260/ OD280比值均在117～210之间。

As previously mentioned, the size of the paper retractility with the fibers'packing, the direction of the grain direction of expansion rate is less than the rate of expansion and contraction of the transverse grain.

正如前面所讲过的，纸张的伸缩性大小同纤维排列的方向有关，直丝绺方向的伸缩率小于横丝绺伸缩率。

The experimental results demonstrate that starch compound modification can improve the retrogradation and adhesion to fibers of starch size.

实验结果表明，淀粉复合变性能够改善淀粉浆的凝沉性，同时增大了淀粉对纤维的粘附性能，提高淀粉浆膜的柔韧性，并降低磨耗。

From the aspects of steady and dynamic rheology, the research progress of rheology in carbon fibers is reviewed.

从稳态流变学和动态流变学角度综述近年来流变学在可纺性研究中的进展。

Instead of sunbeams, today's light-wave communication systems use laser light ricochet ing through tiny glass fibers.

今天的光波通信系统利用的不是日光束，而是通过微细玻璃纤维掠射的激光。

In order to simplify the otherwise rigorous solution procedure, one can often assume a periodicity of reinforcement where continuous or short fibers of the identical size and shape are distributed periodically.

为了简化其它的严格计算程序，我们通常假设一个具有相同尺寸和分布式周期外形的连续或者断续加强周期。

Strand 2 n（1）A complex of fibers or filaments that have been twisted together to form a cable, rope, thread, or yarn.

股：被绞起来形成索，绳或织物的纤维或细丝的结构

The graft copolymerization of TDI onto ramie fibers has been studied using raw ramie, ramie yarn, ramie rope and ramie fabric as starting materials, the TDI grafting ramie fiber reinforced PE composite was prepared.

以苎麻原麻、纱线、苎麻粗绳、苎麻布为原料，用甲苯－2，4-二异氰酸酯进行接枝改性，然后制备出不同苎麻纤维与树脂PE的复合材料。

A ANSYS microsoft is used to found the mechanical model of the trigonal, roundish and square hollow PET fibers.

本文应用ANSYS软件建立了三角、圆、正方形等不同中空形状纤维的力学理论模型。

The matrix is the material component, such as plastic, epoxy cement, rubber, or metal, that surrounds the fibers or particles.

随着合成物应用的越来越多，实际上，它们已经成为目前以及不久的将来使用的主要材料；因为它们可以被设计成更强的，更轻的，更硬的以及更好的耐热性的材料，而且拥有单一的天然材料不具备的工艺特性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐