聚合的

To date, three kinds of reverse genetics systems, in vitro transcription system, system induced by endogeny T7 RNA polymerase and system induced by RNA polymeraseⅡ, were used to research IBDV. But these systems have some shortcomings in the efficiency and convenience of virus rescue.

目前用于IBDV研究的体外转录、基于T7RNA聚合酶的体内转录、RNA聚合酶Ⅱ体内转录等反向遗传操作系统在病毒拯救效率和操作简便性等方面仍然存在着一些问题。

This article used basicity electrochemic synthesized the polymerization aluminum chloride solution through the active control electrolysis process essential parameter was allowed to prepare basicities differently the hydroxyl polymerization aluminum chloride solution .

本文采用电解法合成了聚合氯化铝溶液，通过有效控制电解过程的关键参数，可以制备出不同盐基度的羟基聚合氯化铝溶液。

A constantly fluctuating brigade of enzymatic foot soldiers reg ulates RNA polymerase II's activity by chemically modifying the long cord-li ke tail that hangs from its globular structure, like a chain on a light fixt ure.

有一组不断变动的酶通过化学修饰RNA聚合酶II球状结构长带状尾巴来调节RNA聚合酶II的活性，就像电灯组件后电线。

Study on absorbability of fuchsine onβ-CD, polymer-β-CD, and these two methods obtain polymer-ethyloic-β-CD.

用紫外分光光度法研究了β-CD、聚合β-CD以及两种合成方法得到的聚合-羧甲基-β-CD对碱性品红的吸附能力。

This data not noly suggest that polymerization-depolymerization is important to stomatal movement and stability, but also interpret conflicting results whether actin polymerization or depolymerization in stmatal guard cell.

这不仅提出了肌动蛋白解聚—聚合在气孔开关运动和稳定性中的重要作用，而且可以解释保卫细胞中肌动蛋白是处于解聚状态还是聚合状态的不同报道。

In the polymerization system,there are two kinds of active centers having higher catalytic activity for isoprene polymerization.

事实表明，该聚合体系中存在着两种过渡金属活性中心，它们按各自的机理进行异戊二烯的聚合。

PLA has been produced by ring-opening polymerization of lactide or direct polycondensation of lactic acid.

制备聚乳酸常通过乳酸的直接聚合或丙交酯的开环聚合两种方法。

PURAC offers the lactide monomers as polymerization feedstock and in cooperation with Sulzer the polymerization technology to make PLA.

普拉克提供的原料和聚合与苏尔寿技术合作的乳酸聚合单体，使人民解放军。

In theoretical studies of the present paper, in melts diblock 1 with high degree of polymerization forms lamella and diblock 2 is disorder due to its smaller degree of polymerization.

有较高聚合度的纯diblock 1熔体呈层状有序结构；有较低聚合度的纯diblock 2熔体呈均匀相。

Based on the polymerizable and unpolymerizable structure directed agent through supramolecular self-assembly method, the above prepared surface modified SiO〓 sol or TiO〓 sol was interacted with monomer and cross liker by co-assembly, with the formation of layered organic/inorganic nanocomposite thin film that mimic nacre on glass substrate.

在动静摩擦系数测定仪上研究了它们的摩擦学性能。发现无论是未聚合薄膜还是聚合薄膜与钢球对磨时，与空白玻璃片相比都具有较低的摩擦系数，仅为O.1左右，而且两者摩擦系数相同。

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