查询词典 dispersant

The company now produces many series and varieties of new antionxidants,accelerantors ,vulcanization activators,brighteners ,processing aids (carbon black dispersant and silica dispersant)etc....All of these produce are green products with the characteristics of being atoxic ,low-poisonous ,no- polluted and environment friendly .

公司现有新型橡胶防老剂，新型橡胶促进剂、新型橡胶硫化活化剂、新型橡胶抗氧剂、新型橡胶增白剂、新型橡胶加工助剂、（碳黑分散剂及百碳黑分散剂）等多个系列数十个品种，普遍具有无毒、低毒、非污染、环保型绿色产品特点，其中数种产品被国家科技部命名为"国家级重点新产品"或获得"科技型中小企业创新基金"的无偿资助。

The result showed that, the effect of the synergistic reaction of alkyl-phenol-polyoxythylene ether phosphate dispersant TERSPERSE 4896, nonyl phenyl polyoxyethylene ether dispersant TERSPERSE 2210 and XG to suspension was different. Both the rheological curves were same presented as pseudoplastic fluid when they stored in R. T (18~25℃) for 10 days, but the rheological curve of suspension with the synergistic reaction of TERSPERSE 2210 and XG was changed to dilatant fluid when it stored in R.

结果表明，烷基酚聚氧乙烯磷酸酯类分散剂TERSPERSE 4896、壬基酚聚氧乙烯醚类分散剂TERSPERSE 2210与增粘剂黄原胶协同使用所得悬浮体系，室温(18~25℃)贮存10d仍表现出二者共同的流变特性，呈假塑性的流变曲线；但室温贮存150d后，含TERSPERSE 2210与黄原胶的悬浮体系的流变性质发生了明显变化，由假塑性流体向膨胀型流体转变。

This kind of copolymer is widely used as cement water-reducer, pigment dispersant and detergent dispersant etc.

主要的应用领域有水泥混合物减水剂，颜料分散剂，合成洗涤剂用分散剂等。

The components of wetting dispersant was preliminary by method of selected according to the indexes of storage [(54±2)℃, 14 d] and suspensibility rate, the wetting dispersant, viscosity modifier antifreeze and its proportion was optimized.

采用流点法初步选定润湿分散剂组份，以贮存[(54±2)℃， 14 d]稳定性和悬浮率为指标，对润湿分散剂、粘度调节剂组份、防冻剂及其配比进行优选。

The ratio of dispersant to dispersant synergist is typically from 1:1 to 10:1 by weight and is preferably about 5:1 by weight.

分散剂分散剂增效剂的比例通常是从1：1到10：1的重量和最好是5：1左右的重量。

The existing form of boron on the rubbing surfaces is sodium metaborate which can be dissolved in water. The hydration water of so- dium metaborate can reduce the aiitiwear function on Four-ball Machine but enhance its antiwear ability on Timken Tester. The study also revealed that sulfonate dispersant Can reduce the antiwear function of sodium metaborate while succinimide dispersant enhance its antiwear ability.

结果表明，含偏硼酸钠的白油能在摩擦表面形成含偏硼酸钠的表面膜而具有较好的抗磨性，硼在摩擦表面膜中以偏硼酸钠的形式存在，钠和钙的石油磺酸盐型分散剂会降低偏硼酸钠的抗磨性，而丁二酰亚胺类分散剂则能提高其抗磨性。

The effects of ultrasonication and HF washing on SiC nano-particles were analyzed by Zeta potential, particle size distribution and SEM. The stability of suspension of SiC in ethanol, ethanediol and mixture of the two medias with PEG as dispersant at different pH were compared. The optimum ultrasonication time for SiC nano-particles was obtained. The influence of HF washing on SiC nano-particles was discussed; and high stability of SiC nano-particles suspension was achieved at pH=10 in ethanediol with 1wt% PEG as dispersant.

本文中采用Zeta电位、粒度分析、SEM等测试技术分析了超声震荡和HF酸洗对SiC纳米粉体的影响：对比研究了乙醇、乙二醇以及75%乙醇和25%乙二醇混合液作为分散介质，聚乙二醇为分散剂时纳米SiC粉体在不同pH下的分散稳定性，确定了粉体最佳超声震荡的最佳时间；探讨了酸洗的作用；并在乙二醇中，以1% PEG为分散剂，pH=10条件下获得了纳米碳化硅粉体的高稳定分散悬浮液。

PAAS was selected as dispersant to evaluate the dispersion stabilization of SiO2 nanoparticles by a diffraction-based laser granulometric analyzer and identify the state of adsorption of the dispersant on the surface of nanoparticles by an IR spectrometer.

选择了聚丙烯酸钠作为分散剂，并通过激光粒度分析仪对纳米颗粒的分散稳定性进行评价，通过红外光谱仪对分散剂在颗粒表面的吸附状态进行识别。

We used photosynthetic activity (measured as chlorophyll a fluorescence) and photosynthetic pigment concentrations to assess the effect of pulsed exposures of aged crude oil, dispersant and an oil+dispersant mixture on the seagrass Zostera capricorni Aschers in laboratory and field experiments, using custom-made chambers.

利用测叶绿素a荧光（ Diving-PAM ）和测光合色素含量的方法，检测了原油、分散剂以及二者的混合物在室内和室外实验中对海草 Zostera capricorni 的影响。

Parameters such as the kind of dispersant, the weight ratio of dispersant and sample, the kind and volume of eluent were studied and optimized.

考察了分散剂、分散剂与样品质量比、洗脱剂及洗脱体积对测定结果的影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。