等浓度

The measurements of self-diffusion coefficient,spin-spin relaxation and interproton distance at 318 K suggest that N,N′-bis-α,ω- alkane propane diammonium dibromide (16-3-16) quasi-global micelles are formed in the dilute solution at a concentration of 0.26 mmol/L and the head groups are in a saw-toothed form staying at the surface of the micelle to overcome the strong electrostatic repulsion force.

从自扩散系数、横向弛豫和质子距离等NMR测定参数推测，在浓度为0.26 mmol/L（318 K）的N，N′-双-α，ω-丙烷溴化铵(16-3-16)溶液中形成了近似球形的胶束，胶束表面的带正电荷的铵基极性头呈锯齿状排列以减弱分子间静电排斥力的影响。

In this paper,the synthesis of Talc/PMMA graft copolymer is studied,and the apparent kinetic test conducted by dilatometer. The effects of the initiator's concentration, the monemor's content, the talc's content and the reaction temperature on polymerization rates were investigated,and the apparent activation energy was determined.

文章主要研究了滑石粉／PMMA接枝物的合成和表观动力学测试，采用膨胀计法研究了接枝聚合反应表观动力学，探讨了引发剂浓度、单体用量、无机微粒滑石粉用量及反应温度等对反应速率的影响，并且测定了反应的表观活化能。

Methods The double-diluted drugs were cultured with 11 species of bacteria,105 test plants such as staphylococcus,streptococcus,Gbacillus,catarrh diplococcus,monilia albicans etc. in vitro,then MIC50, MBC50 were measured.

采用二倍稀释法，将不同浓度药物与葡萄球菌、链球菌、G杆菌、卡他双球菌、白色念珠菌等11类菌种，共105个试验菌株体外培养，测定 MIC50，MBC50。

So it is important to research the activity disciplinarian of Ca~(2+) inside and outside cellular.

荧光显微技术由于具有响应时间短、对细胞无毒害作用等特点，而成为测量活细胞内游离钙浓度的主要方法。

Testing the size and concentration of a dispersed phase (particles, liquid drops and air bubbles) is one of the key problems in the study of multiphase flow.

在涉及多相流研究中，分散相的尺寸、浓度等参数的测试是关键问题之一。

The micelle structure is sensitive to the pH of dispersion medium and can be adjusted by the UV light irradiation.Ⅲ.

通过调整分散介质的配比以及偶氮聚电解质和偶氮两亲性聚合物的浓度等，上述偶氮聚合物可形成多种不同的聚集体结构。

The purity of SAM product was higher than 95％, and the overall recovery of SAM sulfate and SAM double salt of sulfate and p-tosylate were 60％ and 50％, respectively.

通过筛选，获得了对SAM有较好选择性离子交换能力、较易洗脱和再生的争光D113弱酸型阳离子树脂，研究了温度、pH等对SAM离子交换的影响，根据SAM在弱酸阳离子树脂D113上的等温交换平衡行为表现出较强的可逆性，考虑到交换基的弱电解质性质以及结合Donan膜平衡理论，建立了考虑pH影响的可逆离子交换平衡模型，该模型可以较好地描述SAM平衡浓度、pH对离子交换平衡的影响；通过对动态离子交换过程的研究，得到了SAM在D113树脂内的有效扩散系数的数量级为1.0E-9cm〓/s～1.0E-8cm〓/s。

According to these experimental results quantitative models for foam drayage and relationship among superficial gas velocity, gas hold-up in bubble zone and surfactant concentration were obtained.

并在此基础上，由实验结果得到了关于泡沫排液的定量模型，以及鼓泡区内气含率、空塔气速、溶液表面活性剂浓度等参数之间的定量关系。

In this paper, NO is generated by negative pulsed discharge between needled and plate electrodes in dry air at the atmospheric pressure, Some of the important parameters affecting concentration of NO and NO2 have been investigated. These include the pulsed discharge frequency, the distance between electrodes and electrode polarity.

脉冲电弧放电是产生医用吸入性NO 的一种新方法，因此，本研究采用负脉冲电弧放电，以大气压下的干燥空气为原料，研究了放电频率、电极间距和电极极性等参数对NO 和NO2浓度的影响。

The soret effect and Dufour effect on the convective diffusion of VOCs in indoor surroundings was specially investigated.

并采用数值方法研究了室内环境中同时存在温度梯度、湿度梯度和VOCs浓度梯度时的自然对流传热传质现象，着重分析了考虑交叉扩散效应时热瑞利数和浮力比数等对室内VOCs对流扩散的影响。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！