查询词典 modification

Influences of the technical factors such as surfactant dosage,modification temperature/time and stirring speed on the surface modification of calcium sulphate whiskers were studied.

试验结果表明：硼酸酯表面活性剂SBW-181对硫酸钙晶须的改性效果较好，在最佳工艺条件下，改性产品的活化指数为0.996，接触角为103.4°。

The electrochemical experiments indicated that the surface modification decreased the polarization of MnO2 electrodes, increased the discharge potential, the discharge capacity and cycle stability, which is probably due to the increase of the diffusion coefficient of protons after surface modification.

与纯MnO_2样品相比，添加Bi和Bi_2O_3的样品显示了较大的放电容量和较好的循环稳定性，且放电容量随着Bi含量的增大而增加。

In as-cast microstructures, SG modification can refine austenites and inhibit their orientational arrangement, reduce and refine the intercrystalline carbides; in heat-treatment process, SG modification can either shorten the holding time or lower the holding temperature.

SG 变质处理能有效地抑制铸态组织中柱状晶的生长，细化奥氏体组织并降低其方向性，减少晶间碳化物数量并使之细化；对热处理组织，SG 变质处理可以加速碳化物溶解，缩短水韧处理的保温时间或降低水韧处理的温度。

One consequence of this has been the growth of polymer modification of asphalt binders as well as the development of other modification procedures.

这样随后而来的结果就是沥青包扎工具的聚合物改良的增长和其他改良程序的发展。

The radiation by non-thermal plasma can accelerate formaldehyde thansform and make an increase of 29.61% in depurated efficiency. The surface modification makes no obvious difference in depurated efficiency. The chemical modification avails formaldehyde reduction and ACF coated with nano- TiO2 is the best of all that can enhand the depurated efficiency to 94%. The great influence of parameters on depurated efficiency , such as applied voltage and reaction time , shows that an increase in either applied voltage or reaction time enhance formaldehyde conversion.

研究结果表明：低温等离子体辐射能促进甲醛净化，可使其净化效率提高29.61%；表面改性对净化效率没有明显影响；化学改性有利于甲醛净化，其中负载纳米TiO2改性方案最佳，其净化效率高达94%；电源电压和反应时间等参数对净化效率也有较大影响，电压越大，时间越长就越有利于甲醛的去除。

The core of the system is the contact of increase,modification and delete,the modifications of each form will affect to other forms,the system will complete the modification of student's information of itself w你好le being to complete to increase or delet ethe operation.

体系的焦点是新增、修改和删除三者之间的联系，每一个表的修改都将联动的影响其他的表，当完成新增或者删除操作时体系会自动地完成学天生绩的修改。

The effect of MCM-41 modification by K~+ and the introduction of HY on the HDN performance of the supported nickel phosphides were investigated. The modification of K~+ on MCM-41 hardly affected its activity in quinoline HDN.

考察了MCM-41改性后负载磷化镍催化剂及在磷化镍催化剂中加入第二组分后HDN反应性能。

According to the character of highway profile design, this paper repositions the role of the optimization design of profile and builds the optimization design models and solves the problems of profile optimization design successfully with genetic algorithm, owing to the fact that highway design need repeatedly modification, this paper also establishes the self-adaption modification models of plane and profile design.

根据纵断面设计的特点，重新定位了纵断面优化设计的地位，建立了纵断面优化设计模型，并应用遗传算法圆满解决了纵断面优化设计问题。针对公路设计需要反复修改的特点，建立了平纵面自适应修改模型。

Furthermore, the structures of DNA molecules varying with concentration of new modification agent were studied, and it was found that when the new modification agent concentration was 1:1000, DNA molecules were successfully fixed and extended on the modified mica surface and well-distinguished DNA strands were imaged by AFM.

并进一步观察了不同DAPS浓度下DNA分子的吸附行为，发现当DAPS/甲醇体积比浓度为1：100时，DNA分子呈现出大而复杂的形态，发生了分子内和分子间的碱基相互配对；当体积比浓度为1：3000时，即没有分子内和分子间的碱基相互配对，也

In the aspect of prosodic modifications of Chinese spech synthesis, the thesis presents a tone modification method and a syllable duration modification method, and make a summary of prosodic modifications rules.

在汉语语音的韵律修正方面，本文提出一种汉语语音合成中的声调修正算法和一种音长修正算法，并较为完整地总结了各种汉语语音的韵律修正规则。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。