查询词典 surface active agent

The experimental results show that Mn2O3 was main active species and addition of Zr further activated methane molecules to improve methane conversion; C2 selectivity was improved by adding W and P, and suppressed deep oxidation property of SiO2; W–O in catalyst surface was not active species.

通过选取五组该催化剂对其进行XRD、XPS、FT-IR以及SEM表征，表明Mn2O3和Na2Zr(PO4)2是多组分甲烷氧化偶联催化剂的活性组分，且Mn2O3起主要作用，Zr的加入进一步活化了甲烷分子，提高了甲烷的转化率，W和P的加入改善了C2烃的选择性，抑制了SiO2的深度氧化特性；W–O物种不是催化活性物种。

The coking and deactivation process of benzene and ethylene alkylation reaction over AB-97 zeolite has been studied systematically. The results of acceleration deactivation reaction indicate that deactivation process go through three phases, high level activity stability period, activity decline period and low level activity stability period. The mechanism of this phenomenon was analyzed by the way of the experiment research of pore structure and acid quality of coked zeolite. It is concluded that reducing the strong acid active centers and crystal outer-surface active centers are benefit to improve the activity stability of zeolite.

在AB-97型分子筛催化剂上对苯/乙烯烷基化制乙苯反应体系的结焦失活历程系统实验研究，催速失活实验结果表明失活历程经历高水平活性稳定期，活性衰退期和低水平活性稳定期三个阶段，并通过对失活催化剂的孔结构及酸性质的实验研究，对这一现象进行了机理分析，认为催化剂改性研究中采用降低强酸活性位和晶粒表面活性位这两种手段都有利于改善催化剂的活性稳定性。

Firstly, the diffusion of oxygen atom from the SFCC to SHCP on Zr(0001) surface is calculated. The active energy for the diffusion is 0.77eV. Secondly, the diffusion of oxygen atom from the SFCC to Octa(2,3) via Octa(1,2) is calculated too. There are 2 energy barriers for oxygen atom to overcome, the active energies are 2.14eV and 2.57eV.

我们首先计算了氧原子从稳定的表面面心立方位置向表面六角密排位置的扩散，其扩散激活能为0.77eV；然后计算了氧原子从稳定的SFCC位置扩散到表面下第1层与第2层之间的八面体间隙Octa(1，2)位置，然后继续向表面下第2层与第3层之间的八面体间隙Octa(2，3)位置扩散，在此过程中氧原子需克服2个能垒，其激活能分别为2.14eV和2.57eV。

For this reason, we choose to use the yangmai chemical plant we go in for days TM－200S coupling agent to improve the gum resin solutions to increase the strength on adhesive surface adhesion, so as to effectively prevent plastic from bonding surface on exuvaite and atrippint, both the ink system glue resistance of performance and increases some difficult sticky material and low molecular resin Sol, pigments and fillers between the adhesion strength and packaging business card printing and membership card making ink film luster and water washable.

不不差此，我们采取仪征天扬冻工厂的TM－200S偶联剂来恶化树脂溶液的胶接洽强量，补充胶液不不差胶粘暗不天的粘附辛，从而灵验不天制止胶层从胶接暗不天零落和剥落，既促退了油不朱编制胶液耐湿热功用的本能机能，又补充了一些难粘质料和矮不合子树脂溶胶、颜填料之间的胶接强量及包装制卡和会员卡制作不朱膜的平泽量和火可洗性。

The result shows that when the emulsifying agent layer not perfectly covering the primary particles' surface or the primary particles' surface being covered with overmuch powder grain, it will lead to the higher plastisol viscosity.

结果表明初级粒子表面的乳化剂层包覆不严或表层粉粒太多，均会导致增塑糊粘度偏高；次级粒子聚结松散，结构脆弱，有较低的糊粘度和触变性；次级粒子聚结紧密，有熔结现象，增塑糊粘度偏高。

Fresh Squid tentacle sections, mashed yellow croaker and pollution-free cubed carrot and green string bean sections are selected as raw materials which are then added, mixed and stirred with an adhesive, a seasoning agent and a tenderizer in proper amount to form fillings; the fillings are then moulded into caked filling cores which are steamed and cooled; the outer surface of the filling core is evenly coated with a layer of stiff paste, the outer surface of which is evenly attached with a layer of puffed outer coating so as to form a caked quick-frozen squid and vegetable steak which takes the shape of a puffed powder slice and is internally provided with a filling core wrapped with the stiff paste; after being quick-frozen, the squid and vegetable steak can then be made into the quick-frozen squid and vegetable steak food.

其是以新鲜的鱿鱼脚段、黄花鱼泥和无公害的胡萝卜丁、青刀豆段作为原料，加入适量的粘合剂、调味剂、嫩化剂搅拌调和成馅料，由该馅料模制的饼状馅芯经蒸制、冷却后，在该馅芯外表面均匀挂有一层浆料，所述的浆料外表面均匀粘有一层蓬松的外裹料，形成一饼状的、外表为蓬松的粉片状物、内面由浆料包裹馅芯的鱿鱼蔬菜排，该鱿鱼蔬菜排速冻后即成速冻鱿鱼蔬菜排食品。

Before mixing,the surface of tremolite has been modified by MPS coupling agent,which can change its surface from hydrophilicity to hydrophobicity,so to improve the bonding strength of interface between particle and nylon.

在共混之前，用偶联剂MPS对透闪石表面进行有机化修饰，使其表面由亲水性转成疏水性，以期改善粒子与尼龙基体之间的界面结合强度；热重分析和接触角测试验证了粒子表面MPS的存在。

The cast coated sheet comprises a substrate and a brushed coating layer comprising a pigment, a functionally effective amount of latex such that a dried unbrushed layer of the coating will not adhere sufficiently to the casting surface to allow the unbrushed layer to be cast, and a functionally effective amount of brushing agent such that damage to the coating layer surface during brushing is minimized.

该铸塑涂布平张纸含有一个基片和一层涂刷过的涂层，该涂层包括涂料，含量为功能有效量的乳胶液，使得该干燥的未刷涂层不与铸塑涂布面充分粘接到足以对该未刷涂层进行铸塑涂布的程度，和含量为功能有效量的涂刷剂，使得在涂刷过程中对该涂层的损伤减到最小。

We know that once the glue coated in dispersing agent with surfactivity or anti-sedimentation, high friction waxes additive white ink on the Mexican film surface, as the two of conflict, or almost no uponsize of waxiness will make the substrate surface glue layer formation uniform ment, resulting in a composite color fastness of difference or compound strength low of low-quality packaging business card printing and membership card making products.

我们懂得，一旦胶水涂布在含有暗不天活性不合散剂或不攻浸、耐摩擦的蜡类助剂的不黑色底不朱不朱膜暗不天时，由于两物相斥，或实在无不推辛的蜡量便会使承印物暗不天胶水层变成平均的不面状物，从而导致不简单牢度不对或不简单强度矮的矮量包装制卡和会员卡制息成品爆发。

We used wood tar as a blending agent to produce shaped activated carbon and the abrasion resistance of it is larger than 85%; the BET surface area is 1577.55m2/g. The abrasion resistance of unshaped activated carbon is 80% and BET surface area is 1789.87m2/g. The ash contents of powdered activated carbon, and unshaped activated carbon prepared by physical method are less than 0.2%; the iodine number is 1200 mg/g; the maximum 0.15% methylene blue adsorption value is 18ml/0.1g.

其中定型颗粒活性炭是用木焦油为粘合剂，最终产品的强度在85％以上，比表面积为1577.55m~2／g；实验中所制备的不定型颗粒活性炭和粉状活性炭的灰分含量不超过0.2％；碘吸附值达到1200mg／g；亚甲基蓝最高吸附值为18.0ml／0.1g。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。