查询词典 emulsion

Complex flocculant PASS has the abilities of neutralizing electric charge and flocculating. The experimental results show: it is feasible that the emulsion wastewater can be treated into qualified discharging water. The dosage of flocculants and pH value have been optimized by coagulation experiments. In addition the mechanism for emulsion wastewater has been studied by using Perron timed complex colorimetric method and neutralization method. Aiming at characteristics of high concentration and high CODCr emulsion wastewater the technology that emphasized on coagulation-precipitation twice has been proposed in this paper.

本文采用复合型絮凝剂处理乳化液废水，研究结果表明，乳化液废水的处理过程包括凝聚脱稳及吸附絮凝，其中絮凝是决定混凝效果的关键性步骤，复合型絮凝剂聚硅酸硫酸铝是一种既具有较强的电中和能力，又具有优异的絮凝性能的无机混凝剂，通过对乳化液废水药剂筛选实验，实验结果表明聚硅酸硫酸铝对乳化液废水是比较合适的混凝剂，并确定了药剂的最佳投药量、最佳pH值条件等操作参数，针对乳化液废水的特点，综合国内外研究成果和经验，提出了二次混凝沉淀处理方案，该方案具有处理设备结构简单、运行管理简便等优点。

The technology of emulsion polymerization and the development of polyvinyl acetate emulsion included the water resistance of the emulsion were summarized in this paper.

东北林业大学，木材科学与技术，2008年，博士

The polyacrylate-/vinylidene chloride/nanomontmorillonite Composite emulsion was prepared by seed emulsion polymerization.The influence of the content of nanomontmorillonite on composite emulsion diameter ,mechanical properties and thermal stability is probed.

以偏二氯乙烯和蒙脱土作改性剂，采用种子乳液聚合方法制备了聚丙烯酸酯偏二氯乙烯/蒙脱土共聚物复合乳液，研究了蒙脱土质量分数对共聚物乳胶粒径、乳胶膜抗拉强度与断裂伸长率及热稳定性的影响。

Zeta potential,density of surface carboxyl groups,the interaction between carboxyl groups and component in copolymerization emulsion,mechanical properties of films,state of water,particle diameter and distribution of particle diameter and theological behavior of emulsion were investigated by Zeta meter,the conductometric titration, particle size apparatus,dynamic mechanics analysis,differential scanning calorimmetry,scanning electron microscope,rheological apparatus,respectively, to study the mechanism on the water resistance of modified PVAc emulsion.

利用Zeta电位仪、电导滴定法、激光粒度仪、DMA、DSC、SEM、流变仪等手段从Zeta电位、表面羧基密度、羧基和乳液组分中的相互作用、羧酸改性后胶膜的力学性能、水的存在状态、粒径分布、流变性能和微观形貌方面探索了羧基提高乳液耐水性的机理。

The mixture of triethanolamine oleate and Tween80 or NP-10 can make the O/W emulsion particle smaller and more uniform than other surfactants, and increase thewettability and the stability of O/W emulsion. The type, hydrophile lipophile balance value,content and their mixture of surfactant have great influence on the emulsion droplet diameter.

油酸三乙醇胺皂与Tween80或NP-10复配能使乳化液分散更细、更均匀，进一步降低其表面张力，提高乳化液的润湿性和稳定性；乳化剂的类型、亲水亲油平衡值及其用量和复配技术对乳化液的粒径有较大影响。

The mixture of triethanolamine oleate and Tween80 or NP-b can make the O/W emulsion particle smaller and more uniform than other surfactants, and increase the wettability and the stability of O/W emulsion. The type, hydrophile lipophile balance value, content and their mixture of surfactant have great influence on the emulsion droplet diameter.

油酸三乙醇胺皂与Tween80或NP-10复配能使乳化液分散更细、更均匀，进一步降低其表面张力，提高乳化液的润湿性和稳定性；乳化剂的类型、亲水亲油平衡值及其用量和复配技术对乳化液的粒径有较大影响。

According to the characteristic of silver nanoparticles, their uniform dispersion in reaction media was obtained by surface modification, ultrasonic radiation and the select of emulsion, and then emulsion polymerization system were formed by combination with reactive monomer and initiator. Nano-Ag/Polystyrene core-shell particles were prepared by emulsion polymerization and their microstructure were characterized by TEM, FTIR, XPS, AFM and TG/DTA. The experimental results showed that silver nanoparticles were coated by polymer and the composite particles had typical core/shell structure, and the microlevel combination was realized. Meantime, the form mechanism of nano-Ag/polystyrene core-shell particles was tentatively researched. The conclusion is that the perfect coating was able to obtained by the control of reaction condition.

根据纳米银粒子的特性，借助于表面处理、超声辐照以及乳化剂的选择，使其均匀分散在反应介质中，再与反应单体、引发剂等形成乳液聚合体系；采用乳液聚合方法、包裹聚合方式，制备出纳米银/聚苯乙烯核壳复合粒子，并借助于TEM、FTIR、 XPS、AFM、TG/DTA等分析手段对复合粒子微观结构进行了表征；结果表明：纳米银粒子表面被聚合物层包覆，复合粒子呈明显的核壳结构，实现了微观尺度上的复合；同时，初步探讨了纳米银/聚苯乙烯核壳复合粒子的形成机理，指出：通过控制反应条件，可以使形成纳米银/聚苯乙烯核壳复合粒子的聚合反应方式占主导地位，实现最大限度地包覆。

Moreover, supersensitization as well as its mechanism by stabilizers is studied in spectral-sensitized AgCl emulsion Results indicate that the adding order of stabilizer and sensitizing dye has great influence on the sensitivity of emulsion and only stabilizer added after sensitizing dye can supersensitization be obtained Apart from supersensitization and fog-inhibition by stabilizers, it is also significant to spread the amount of addition of dye, which can lead the further improvement of sensitivity of emulsion.

本文还研究了稳定剂在氯化银乳剂中的超增感作用并应用多种手段研究了其超增感作用机理。结果说明，稳定剂与增感染料的添加次序对乳剂感光度有非常重要的影响，只有在增感染料之后加才可能产生增感作用。在一定的稳定剂添加范围内，它不仅可以提高氯化银乳剂的感光度、降低灰雾，而且还能加大增感染料的用量，进一步提高乳剂的感光度。这对乳剂的光谱增感来说具有重要意义。

Under the optimum conditions, the lactobacillus bulgaricus microcapsule was madeby single agglomerate, and precipitated the wall with located in rapeseed oil with 50%ammonium sulfate solution; The preliminary micro-emulsion filtrated, then drawsome microcapsule from the micro-emulsion and progressing the second emul-sification, injecting a mixture with 3% CAP and 1.5% gelatin into the micro-emulsion,and keep the stirring speed 200r/min for 5 minutes, adjusting pH as 3.0 with aceticacid, then desiccating with the spray drier after 30 minutes. At last, got the prodtictof microcapsule powder.

通过最佳乳化条件制备的乳液，采用单凝聚法制备保加利亚乳酸杆菌微胶囊，用50％硫酸铵溶液，使菜籽油中的壁材CAP析出，形成初步的微胶囊，过滤，取上层微胶囊油液，缓慢注入3％CAP和1.5％明胶混合液中，进行第二次乳化，在200r／min的搅拌速度下乳化5min，用冰醋酸调节乳液的pH值至3.0，固化30min，取乳液置于喷雾干燥机中进行喷雾干燥。

Emulsion, Emulsion Layer:(1) Broadly, any light sensitive photographic material consisting of a gelatin emulsion containing silver halides together with the base and any other layers or ingredients that may be required to produce a film having desirable mechanical and photographic properties.

广义上说，是指任何光敏感性的摄影材料，它包括含卤化银的明胶乳剂和片基以及其它层或组分结合在一起，后者可能是胶片具有要求的机械和摄影性能所需要的。2）在讨论摄影胶片的构造时，乳剂层是任何一种包含光敏感性的卤化银颗粒的涂层，与背层，片基，黏结层或滤层有所区别。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。