Experiments showed that modified PAM is a kind of amphoteric PAM with low molecular weight and higher density of electric charge .

研究发现，实验所制得的改性聚丙烯酰胺是一种低分子 量、较高 电荷密度的两性聚丙烯酰胺。

For this reason PMC has greater molecular weight and stronger selective charge adsorption than PAC . The new flocculating agent is especially suitable for treating the wastewater of varying components such as the oily sewage of oilfield and printworks sewage .

这种增效反应导致PMC的相对分子 质量比PAC增大，选择性 荷 电吸附能力增强，因而特别适合处理油田含油污水和印染污水等变组分污水。

The charge weight charge placement ( in profile ) and depth of charges are important factors in design of Explosive Compaction for saturated loose sand .

沿处理深度方向上装 药量、 装 药形式、装 药深度是爆炸法密实砂土地基设计中比较敏感的设计参数。

If the utilization of active material of lead acid batteries could be improved the specific energy by weight would be increased and the single charge trip range of electric vehicles would also be increased .

如果铅酸电池的活性物质利用率能够得以提高，那么它的 重量比能量将得以提高，电动汽车 充电一次的续驶里程将会提高。

Effects of composition of electrode particle size of activated carbon and weight proportion of pore precursor on the charge / discharge performance of the cell were examined .

用多孔炭电极作为电池正负极，系统地探讨了电极组成、活性炭颗粒粒径、造孔 剂对 电池 充放电性能的影响。

However compared with PAM molecular weight and charge density of chitosan are lower so flocs formed in flocculation are smaller and less incompact .

然而，与PAM相比，壳聚糖的相对分子 质量 和 电荷密度均较小，因此在絮凝时形成的絮体较小、结构较松散。

Studies on the weight loss of VRLA cells during initial charge and the revelation thereof

阀控式铅酸蓄电池初 充电期间 失重的研究与启示

A set of quaternary ammonium cationic polypropylene acid ammonium ( CPAM ) with different molecular weight and charge density was prepared with water solution copolymerization and the influence of cationization degree its dosage and pH value on the bleaching wheat straw pulp draining and retention performance was investigated .

用水溶液共聚法合成了一系列不同分子 量 和 电荷密度的季铵型阳离子聚丙烯酰铵（CPAM），分别考察了阳离子化度、用量和pH值对漂白麦草浆滤水和留着性能的影响。

How to affect sizing about ATC with different molecular weight molecular structure and charge density is still a vague issue .

不同分子 质量、分子结构和 电荷密度的阴离子垃圾控制剂如何影响施胶，是一个还不十分清楚的问题。

Anionic rosin sizing with attached agent of low molecular weight and high charge density in neutral papermaking was studied . Various factors influencing neutral sizing were investigated .

采用新型固着剂&低分子 质量、高 电荷密度胺类聚合物固着阴离子乳液松香胶进行中性施胶，考察了影响中性施胶的各种因素。

The conclusion of this dissertation is very useful for the understanding and implementing of an ETC Weight charge system .

本论文对理解和如何实现ETC 计 重 收费系统具有有益的参考价值。

The factors affecting the synthesis of PEE antistatic agent were studied including PEG molecular weight charge ratio temperature time and vacuum degree .

对影响PEE合成的主要因素，如PEG相对分子 质量、 原料配比、温度、时间及真空度等进行了研究。

The structure include molecular weight and charge density of polymer ;

结构主要包括高分子的相对分子 质量与链上 电荷密度；

Choose and Modify the Policy of Count Weight and Charge

计 重 收费政策的选择和制定

In this study contents of total protein albumin and globulin were measured by Kjeldahl and Bradford method . The subunits composition of proteins were analyzed by SDS-PAGE . Solubility molecular weight net charge differences and ethanol precipitation method explored to separate the proteins .

本研究利用了凯氏定氮法和考马斯亮蓝法测定了荞麦籽粒中总蛋白及清蛋白和球蛋白的含量，电泳分析了以上蛋白的亚基分布，探索了沉淀 清蛋白的乙醇浓度。

The water stability of soil cluster is studied after the treatment of different molecular weight and charge density PAM of artificial soil by way of simulation test in the hothouse .

通过温室模拟试验，研究人工土壤，经不同分子 量 和 电荷密度PAM处理后团聚体水稳性的变化状况。

Dynamic analysis of the counter weight system on elevator in charge of construction

施工升降机 配重系统动力分析

Strengthening the charge weight in the charge holes of the certain areas in the two sides falling to the axis makes the blasting succeed .

对倒向轴线两侧一定范围内的 药孔加强了装 药量，使爆破取得圆满成功。

The heavy armor is mainly for close contact battle and added weight behind a charge ( aka medieval knights style ) .

重甲则主要用于近身格斗，以及增加 冲锋的动量（正如中世纪骑士那样）。

In order to solve the problem of overloading many provinces and cities have used the weight charge system but only used in manual toll system ( MTC ) .

为治理日益严重的超载问题，多个省市相继使用了 计 重 收费系统，但目前还只在人工收费系统中重到了实现。

The author has studied the operation of polymer as the flocculating agent its molecular weight charge density and inventory of polymer and its effects on the process of flocculation .

研究了高分子聚合物作为絮凝剂的使用特性以及高分子聚合物分子 量、 电荷密度、投加量的关系及对絮凝过程的影响。

What 's the weight of free charge checked luggage ?

免费托运的行李 重量是多少？

The road freight vehicle toll by weight is a charge pattern reformation on charge road in China it is more fair and rational than the charge way by vehicle type classification .

公路货车计 重收费是对我国收费公路 收费模式的改革，它比现行按车型分类的收费方式更具公平性和合理性。

Oh yes ? What 's your weight limit ? And how much do you charge for the overweight ?

噢，是吗？你们的 重量限制是多少？超重的部分你们怎样 算 钱？

All shipping fee according to item ( s ) Approx Size Weight approx and location have different charge Please read item 's policy .

国际邮寄费是根据每项物品的尺寸大小， 重量，不同地区来 收费的。请参照每一页产品的内容说明。

The more the molecular weight and charge density the higher the intrinsic viscosity and the molecular chain of APR stretches in a much better solvent .

对于两性酚醛树脂，分子 量越大，链净 电荷数越多，在良溶剂（纯水）中分子链特性粘数越大，链构象越伸展；但同时也增大了分子链对外加无机盐的敏感性。

Much research has been conducted using PAM ( polyacrylamide ) to control soil sealing and reduce erosion but few studies have attempted to determine the most effective molecular weight and charge density of PAM .

应用聚丙烯酰胺（PAM）控制土壤封闭和减少侵蚀已有过许多研究，然而很少有研究关注最有效的PAM分子 量 和 电荷密度。

This paper describes the charge configuration of a typical cartridge and the type shape charge weight and charge density of the propellant with which a typical cartridge is charged .

本文介绍了标准抛放弹的装药结构，标准抛放弹用发射药的类型、药型、装 药量及 装填密度。

While it is relatively easy to check the weight of a traveller 's luggage and charge those that bust limits it is much harder to regulate a person 's waistline .

检查乘客的行李 重量并对超重部分 收费相对比较容易，但想要控制乘客的腰围就困难多了。