查询词典 dispersant

Very low silicone content polycarboxylic acid polymeric dispersant.

非常低有机硅含量的聚羧酸聚合分散剂。

The sheet-like α-Co2 composed of the uniform nanoparticles was successfully prepared using cobalt chloride as the raw material and polyvinyl pyrrolidone as the dispersant by chemical precipitation method.

以氯化钴为原料，聚乙烯吡咯烷酮为分散剂，采用化学沉淀的方法制备出由纳米粒子组成的片状α-Co2。

MTC is the technology of converting drilling mud tocement slurry. The selection of the dispersant, early strength agent, organic retardent and activator is discussed.

固井作业中常因井壁水泥面间密封差、附着于裸眼井壁的泥饼及隔离液对水泥浆产生污染，而影响固井质量。

The invention relates to a nanometer gluconic acid smectite and a preparation technique, which is characterized in that: an alkali calcium bentonite and a gluconic acid are adopted as materials to react in the existence of the dispersant of ethanol-water solution.

本发明涉及纳米葡萄糖酸蒙脱石及制备工艺，其特征是：以碱性钙基膨润土和葡萄糖酸为原料，在乙醇水溶液分散剂的存在下反应。

The study evaluated the influence of the two different polyol's raw material origins and the different dispersing additives in the polyurethane coatings formulations on the weathering resistance by glossmetry, spectrocolorimetry, chalking test, infrared spectroscopy etc. The influence of light stabilizer and dispersant on the degradation characteristerics of polyurethane coating has also been evaluated. Ultraviolet radiation from sunlight causes the chalking of resin and the fading of pigment by breaking down the chemical bonds in coatings.

本实验将配制成不同灰色聚氨基甲酸酯涂料配方，加入硬化剂后涂装在试片上，待自然风乾后，制成不同配方涂膜试片，进行加速风化耐候利睑、光泽度、分光色差、粉化、红外线光谱仪等测试，探讨不同的聚醇树脂原料来源，与不同的润湿分散添加剂种类，对於聚氨基甲酸酯涂料耐候性质的影响。

The complex preservative for citrus containing dibromohydantoin or bromochlorohydantoin as the antiseptic,stearyl monoglyceride as coating agent and Tween -80 as the dispersant agent was developed.

以二溴海因或溴氯海因为杀菌剂、硬脂酸单甘酯和吐温80乳液为涂膜剂和分散剂制备的复合保鲜剂，用于蜜桔杀菌保鲜实验，研究了贮存保鲜条件、保鲜过程中营养成分变化，讨论了复合保鲜剂的稳定性。

A high molecular weight polyisobutenyl succinimide dispersant with high nitrogen content and good thermal and oxidative stabilities was developed.

采用氯化烃化工艺和后偶联反应技术开发了一种氮含量高、热稳定性和氧化稳定性好的高相对分子质量的聚异丁烯基丁二酰亚胺分散剂。

A silicon carbide slurry as a casting abrasive material was prepared by sulphonated acetone-formaldehyde polymer as a dispersant.

由自制的磺化丙酮-甲醛缩聚物(sulphonated acetone-formaldehyde plymer，SAF)作为分散剂制备了浇注碳化硅砂轮水基浆料。

It is prepared through preparing the materials including alpha-silicon nitride crystal whisker, deionized water as solvent, polyethylene imine as dispersant, PVA as adhesive, propylene glycol as plasticizer and ammonium tetramethyl chloride to regulate pH value; mixing; twice ball milling and post-treatment.

所述浆料的制备方法是：加入α-氮化硅晶须，以去离子水为溶剂，以聚乙烯亚胺为分散剂，聚乙烯醇作为粘结剂，丙二醇作为增塑剂；加入四甲基氯化铵来调节料浆的pH值；制备步骤包括配料、混合、两次球磨及后处理工序。

Using CoCl2·6H2O,FeCl3·6H2O and NaOH as reactive materials,tetramethylammonium hydroxideN(CH34OH as dispersant, monodisperse CoFe2O4 nanocrystals was synthesized successfully by two-steps heated codeposition method.

6H2O，NaOH为原料，利用N(CH3)4OH作为改性剂，对CoFe2O4纳米颗粒进行原位表面改性，采用二次加热法，制备单分散性CoFe2O4纳米晶。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。