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The encapsulated TiO〓 particles by polymer were obtained with soapless emulsion polymerization of methyl methacrylate in water in the presence of the pretreated TiO〓 particles.

一种是用偶联剂钛酸丁酯对亲水性TiO〓粒子进行预处理,钛酸丁酯与TiO〓表面羟基反应,交联到TiO〓粒子表面,使TiO〓粒子表面由亲水性转变为憎水性,改善无机粉体与有机单体的亲合性,再进行TiO〓存在下甲基丙烯酸甲酯的无皂乳液聚合,即可得到TiO〓-PMMA复合粒子:另一种方法是用表面活性剂对TiO〓进行预处理,再进行TiO〓粒子存在下甲基丙烯酸甲酯的无皂乳液聚合,TiO〓粒子表面可形成一层均匀的聚合物膜,提出了包覆机理,指出单体在无机粉体表面发生聚合的关键是预先在粒子表面形成聚合场所,即吸附一层表面活性剂。

Micrographs show that composed microspheres have spheric and large number property, which can be injected in formation easily.

实验研究表明,微球具有良好的耐温性、耐矿化度特性和弹性变形能力,能在水中膨胀1~5倍;合成微球能在岩石孔隙中运移,使注入压力和阻力系数不断增加,后续注水后仍有很高的残余阻力系数;微球与聚合物溶液复合体系的阻力系数是纯聚合物驱时的8倍和水驱时的25倍左右,有加效效应和更高的提高波及体积能力。

A pair of dominant strains So2# and Ni2#,which were complementary in performance and helpful to improve the technical economy index of sauce production,was screened from 10 experimental strains by comprehensive comparison of their fermentative resolution ability,protease system,sporiparous ability,product flavor and so on.

通过全面分析对比10种参试菌株的发酵分解能力、蛋白酶系组成、产孢子能力、成曲香型等指标,挑选出2株性能互补、能提高酱油产量、质量的优势菌株So2#和Ni2#,经混合发酵并与沪酿3.042米曲霉菌单独发酵比较,其制品的滤过体积、滤过氨基酸态氮、滤过全氮成倍提高,并使酱油制品的红色度提高,香气和滋味变得丰满、复合。

The right formula of the TiO2 sol was found through discussing the influence of acetic acid and hydrochloric acid. Then in different factors such as temperature, pH value had been studied the experiments of the influences upon the time of TiO2 sol into gelation.On the surface of the textiles treated with the sol-gel process may form a thin sporous oxide film.

本论文将成功制备的稳定透明的TiO_2水溶胶用于纯棉织物后整理上,使织物具有一定的屏蔽紫外线和拒水的性能,并且研究了TiO_2水溶胶与环氧基改性硅氧烷水溶胶复合使用,对直接染料染色的织物进行后整理,能起到较好的固色效果。

Local production of reactive oxygen species after subepithelial immune complex deposition leads to the formation of lipid peroxidation adducts, which ultimately alter the composition of the glomerular basement membrane.

上皮下免疫复合物沉积后生成的活性氧簇局部产物导致脂质过氧化物生成的内收,并最终使肾小球基底膜的组成发生改变。

In this thesis, the concentration of graphite powder in the liquid nickel sulfamate and current density are chosen as parameters for composite electrodeposition of nickel and graphite powder. In addition, after electrodepositing, the graphite powder is oxidized into carbon dioxide through heating process for obtaining porous structure. Filter devices of various specifications can be made by controlling the hole dimension of the porous structure.

本研究为了制作出多孔洞结构,将在氨基磺酸镍电铸液中以不同的石墨粉浓度及电流密度为参数进行复合电铸,并且经由加热处理使石墨氧化成为二氧化碳以制造出多孔结构,根据这些多孔结构的孔径大小可以获得各种规格的过滤结构元件。

So that the low temperature ion sulphurization technique can extend the service life of machine parts such as bearings, cutting tools, cylinder liners and piston rings of engine, gears, rollers, steel rings, etc.

渗氮+渗硫复合处理可使渗硫层的持续时间显著延长,并能在各种速度条件下非常明显地提高表面的抗擦伤性能。

In chapter four, molecular imprinting polymers against amino acid derivatives utilizing 2-VP+AM as combined functional monomer and trimethylolpropane trimethacrylate as tribasic cross-linker were prepared and result was compared with those with the same amino acid derivative as the imprinted molecules utilizing ethyleneglycol dimethacrylate as dibasic cross-linker. It was found that cross-link intensity of the molecular imprinting polymer is higher when TRIM was utilized and baseline separation for the imprinted molecule could be achieved. When TRIM was utilized as cross-linker more molecule is imprinted during the polymerization.

第四章采用2-乙烯基吡啶+丙烯酰胺复合功能单体,考察了三元交联剂三甲氧基丙烷三甲基丙烯酸酯烙印氨基酸衍生物的情况,并与二元交联剂乙二醇二甲基丙烯酸酯烙印相同氨基酸衍生物的情况进行了对比,发现三甲氧基丙烷三甲基丙烯酸酯交联剂在较小的用量下就可使分子烙印聚合物达到足够的交联度,实现烙印分子的基线分离。

The method comprises the following steps of: preparing and scraping polymer casting solution on the surface of clutch gold; conducting humidification treatment on the polymer casting solution by a humidifier or conducting phase inversion in non-solvent until phase inversion occurs in the polymer casting solution and micro porous membrane is formed; making use of the electrodeposition technology to allow tin or tutania to deposit on the surface of the clutch gold; conducting thermal treatment on the clutch gold with the protection of idle gas to obtain a Li-ion battery composite cathode electrode tab.

该方法包括如下步骤:配制聚合物铸膜液,并将聚合物铸膜液刮涂在铜箔表面;利用加湿器对铜箔上的聚合物铸膜液进行加湿处理,或在非溶剂中进行聚合物的相转化,直到聚合物铸膜液发生相转移形成微孔膜;通过电沉积工艺,使锡或锡合金通过微孔膜膜孔沉积在铜箔表面;铜箔在惰性气体的保护下进行热处理,得到锂离子电池复合物负极电极片。

About feeding thick material flush ioint machine,Usee five connecting rods to be possible to adjust about thickness the compound feeding,to swollens the wseam material and dives moves the natural big especially thick material and the thin material,Can enable the lower level in the tailoring process the feeding quantity to achieve consistently;Uses turns on lathe the shuttle greatly,The raduction trades the agent number of times,Most major characteristic thickness dual purpose,Enhances the working efficiency,Uses the completely automatic lubricating arrangement,Enhances the machine service life.

0388系列上下送厚料平缝机使用五连杆可调整厚薄上下复合送料,对膨体类缝料和潜移性较大特厚料和溥料,在缝纫过程中能使上下层的送料量达到一致;采用大旋梭,减少换底线次数,最大特点针线张力小;缝纫厚度能力增大,缝纫薄料性能优良。

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