它直接影响催化剂的酸强度分布。
选择性与催化剂的结构和酸强度有关；
The selectivity is related to the porous structure and acid strength of the catalyst.
本文提出了一个计算无机含氧酸强度的新的经验式。
The present paper gives a new empirical formula for compute the strength of inorganic Oxy -acid.
降低酸强度有利于提高催化剂的选择性，延长催化剂的寿命。
Decrease the acid intensity, the selectivity and life of catalyst can improve.
但短岩心酸化流动试验结果为：加大酸液浓度和用酸强度有利于提高酸化效果。
However, according to short core acid flow testing, higher concentration acid is helpful to increasing permeability.
乙基化的选择性则与催化剂的表面酸强度、酸性中心位置和孔道结构等因素有关。
Ethylation selectivity, was affected by strength of surface acid sites, location of acid sites and pore structure.
实验表明，离子液体的催化活性与其酸强度密切相关，只有在酸性条件下，离子液体对烷基化反应才有催化活性。
The results showed that the activity of ionic liquid correlated strongly with its acidity, and only acidic ionic liquid had alkylation activity.
劳恩赫公司强调这些窗口是由“特殊的丙烯酸树脂”材料制成，厚度达到200毫米，比玻璃的强度高200倍。
Raonhaje says the Windows are made from a "special acrylic" material, 200mm thick and 200 times stronger than glass.
多数情况下，经酸激发可提高体系在各龄期的强度。
Generally, the mechanical strength of the system could be improved in every age by acid activation.
施磷对小麦营养品质和籽粒中氨基酸含量无明显影响，但能增强面团延展性，降低面团强度和筋力；
P fertilizer could not obviously improve the nutrition quality of wheat and AA content, but could decrease paste strength and flexibility .
研究不同掺量的矿渣、粉煤灰和沸石粉对阿利特-硫铝酸钡钙水泥砂浆强度的影响规律，并对其反应机理进行探讨。
The influence of different contents of slag, fly ash and zeolite powers on the strength of alite-calcium barium sulphoaluminate cement mortar is investigated, and the reaction mechanism is discussed.
本文研究了丙烯酸酯共聚物(acr)改性聚氯乙烯(pvc)及其填充复合物的配料比和加工条件对冲击强度的影响。
This paper discussed the influence of the formulating ratio and processing condition of the ACR modified PVC and its filled compound on the impact strength of these polymers.
研究无机填料、功能单体及牙齿表面酸蚀与否等因素对单组分可见光固化齿科正畸粘接剂剪切强度的影响。
The influence of inorganic filler, functional monomer, etching treatment of teeth surface, etc on the shearing strength of one-component visible-light curing orthodontic adhesive was studied.
目的：研究三种牙本质脱敏剂处理牙本质表面后对全酸蚀粘接剂剪切强度的影响。
Objective: to evaluate the influence of three dentin desensitizers on shear bond strengths of a total-etch adhesive to dentin surfaces.
方法测试和比较含氟牙釉质粘接剂及不含氟牙釉质粘接剂的剪切强度以及扫描电镜下粘接剂渗入酸蚀后牙釉质表面形成的树脂钉突长度。
Methods To test and compare the shear bond strength and the penetration depth of resin tags of fluoride-releasing orthodontic adhesives with those of the traditional orthodontic adhesive.
研究了石灰活性对烧结矿中铁酸钙的结晶形态、烧结矿品位、强度和成品率等的影响。
The influences of the lime's activities on the form of calcium ferrite, the sinter's grade, intensity and yield have been studied in this paper.
介绍了连接接触面涂醇酸铁红或聚氨酯富锌漆的高强度螺栓连接抗滑移系数试验研究。
Test researches on slip coefficient of high-strength bolted joints with certain rust inhibiting coatings on contact surfaces are reported.
目的：研究不同酸蚀时间和不同施力方向对正畸托槽与牙面间剪切强度的影响。
Objective: the aim of the study was to investigate the effects of different etching time on shear bonding strength to guide its clinical use.
结论：使用酸蚀剂和硅烷偶联剂都能提高贴面烤瓷的粘接强度，但酸蚀剂起主要作用。
Conclusions: Both etching of porcelain surface and use of silane yield higher bond strength, but the etching is the chief factor.
采用酸溶法测定并比较几种典型的火山灰质掺合料的火山灰活性，探讨其火山灰反应程度对浆体强度的影响。
Pozzolanic reactivity of several pozzolanic admixture were measured and compared by acid dissolution method. Effects of reaction degree of pozzolanic admixture on strength of paste were discussed.
目的：验证临床操作中不同酸蚀剂是否影响复合树脂对牙齿的粘结强度。
Objective: To examine the adhere strength when using different etching agent in clinical operation.
结果经过酒精和藻酸钙处理的支架吸水率显著高于对照组，改性后支架抗压缩强度增加。
Results Scaf folds treated by either ethanol or alginate calcium displayed better hydrophilic ability than those untreated in the control, and the strength of anti-compress ion was reinforced.
鲜枣属于具有高呼吸强度的非跃变型果实，脱落酸对枣果贮期成熟衰老起着重要作用。
Fresh jujube with high respiratory intensity belongs to non climacteric fruit, thus abscisic acid (ABA) plays an important role in the ripeness and senescence of jujube during storage.
用准静态分析法分析了铌酸锂光强度调制器的电极结构参数。
To decrease the mismatch between the light and microwave velocities, the electrode structure of optical waveguide intensity modulator is designed by using quasi-static analysis method.
研究了一种高强度丙烯酸酯双面压敏胶带的制备和性能。
Preparation and properties of high strength acrylate double sided pressure sensitive tape were investigated.
流行的聚丙烯酸铵分散剂的使用将产生更低得多的流延强度。
The use of the popular ammonium polyacrylate dispersants will result in much lower tape strength.
介绍了影响涂膜遮蔽裂缝宽度的因素，提高丙烯酸涂料抗裂强度的方法，以及施工中须注意的问题。
Factors influencing the ability of film for crack masking, methods improving the crack -resistant strength of acrylic paint, and cautions in applications are introduced respectively.
采用氨基酸吸收强度和吸收平衡系数作为评价肠道氨基酸吸收效率的指标。
The index of absorptive intensity and absorptive balance were used to estimate the intestinal absorption rate of amino acids.
铜的应用是有限的，由于其拉伸强度低，耐磨性差，共同氨基酸。
Copper applications are limited due to its low tensile strength, poor resistance to abrasion and common acids.
铜的应用是有限的，由于其拉伸强度低，耐磨性差，共同氨基酸。
Copper applications are limited due to its low tensile strength, poor resistance to abrasion and common acids.
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