查询词典 routine modification

The current theory and application of Al-Si alloy mainly focus on the study of hypoeutectic and eutectic, therefore we systematically analyzed the modification process of hypereutectic Al-Si alloy based on the methods and results of predecessors. Several factors including the modification temperature, the content of modifier, the available holding time, the times of repeat melting , the casting temperature and the speed for cooling have been studied in order to understand its effects to the composition, function and performances of primary silicon and eutectic silicon.

本文针对目前Al-Si合金相关应用和理论的研究多集中于亚共晶和共晶合金的情况，在前人的研究成果和研究方法的基础上，对过共晶Al-Si合金变质处理进行了较为系统的分析，研究了变质剂的成分配比、变质温度、变质剂的加入量、变质后的静置时间、浇注温度及冷却速度等因素对过共晶铝硅合金中初晶硅和共晶硅的大小、形状、数量和分布的影响。

According to the successful experiences on transgenic animal production and animal cloning, gene targeting could be utilized in many fields including theory and application research on genomic modification (such as site-specific gene repair, genetic defect therapy, gene knockout, infaust gene modification, even the site-specific integration), improving expression level of specific gene in animal mammary gland bioreactors, and promoting the industrialization of transgenic animal production.

结合现有转基因动物和动物克隆技术方面的经验，利用基因打靶技术，开展动物基因组修饰的理论和应用研究，即可定点进行基因修复、治疗遗传缺陷、基因敲除失活不利基因，还可最终解决动物乳腺反应器存在的随机整合率高而表达率较低的问题，实现定点整合及乳腺特异表达，为转基因动物的产业化生产创造条件，代表了当今动物遗传学发展的主流方向。

The result shows that modification can make the β-Si phase thin when the joining amount is 0.3wt%, making the best modification result. Alloying elements Mn and Ni are always used to neutralize iron"s harm in aluminum alloys. They can form many kinds of complicated metallically compounds with Fe and Al, and eliminate needle-like iron-rich phases to reduce iron"s harm in Al-Fe alloy. Copper makes the alloy microstructure thick and electromagnetic stirring obviously makes the alloy microstructure thin, round the second phase, when the stirring voltage is 200V, making the best result; Reheat makes liquid phases emerge in the alloy, when the warming temperature is 650?

研究结果表明：红磷可以明显细化合金中的初晶硅，当加入量为0.3wt%时，取得最佳变质效果；锰、镍合金中加入后，通过形成多种复杂金属间化合物，细化针片状富铁相，减小铁对铝硅合金性能的危害；铜使合金微观组织发生粗化；电磁搅拌明显细化合金组织，使第二相圆整化，搅拌电压为200V时，取得最佳细化效果；二次加热使合金组织中产生部分液相，在650？

The electricity price curve in electricity market possesses the features of multicycle and strong fluctuation, whereas there is evident error in the prediction by grey GM(1,1) model with exponential growth, for this reason the authors propose a period residual modification based grey price forecasting model, which not only inherits the advantages of grey model but also makes the forecasting curve fluctuated by means of smooth processing of original data, improvement of initial condition and period residual modification.

电力市场中的电价曲线具有多周期、跳跃等特性，而呈指数增长的灰色GM(1，1)模型预测误差较大，为此，文章提出了基于残差周期修正的灰色电价预测模型。

There are conflicting results among studies on the effects of fish oil or n-3 PUFA on LDL oxidizability. The important questions of whether supplementation with fish oil renders redox status more prone to oxidative modification or influence cells' ability to defend oxidative modification have not yet been conclusively answered.

而有关鱼油和omega-3 PUFA对LDL的脂质过氧化究竟是促进或抑制，却一直颇有争议，因此关於&补充鱼油会让生物体的氧化压力增加还是有助於抗氧化能力的提升&这个重要问题，目前还不能完全暸解。

The mechanical properties of coal filled polymer composites The mechanical properties of coal/PP composites were investigated, and the effects of coal rank, particle size, surface modification of coupling and alkylation were discussed. The results show that the anthracite and bituminous coal all can be used as filler of plastic after pretreatment of part devolatilization and surface modification; The modulus of composites increase with the content of coal filler; The coupling agent is of no effect for reinforcing the coal/PP composites, except that there are new oxygenous function group forming on the surface in the process of pulverizing; The F-C alkylation reinforce coal (under 10μm)/PP composites obviously.

4煤填充高分子复合材料力学性能超细煤粉填充聚丙烯复合材料力学性能的研究结果表明，烟煤和无烟煤经过脱除部分挥发分的预处理后，都可用于与塑料共混制备复合材料；偶联剂改性对低变质程度烟煤/聚丙烯复合材料的力学性能基本不起改善作用，而对于经气流超细粉碎后的小粒径高变质程度烟煤及无烟煤则有一定的增强作用；烷基化改性在煤表面接枝了烷基，使平均粒径小于10μm的煤/聚丙烯复合材料拉伸屈服强度普遍提高，煤填充高分子复合材料可在较高含煤量情况下维持良好的力学性能。

Using two methods combined(urea and phosphation modification, urea and pH modification) to modify SPI, when urea concentration was 3mol/L, at pH 10, it had the largest adhesive strength, and good water resistance ability.

采用尿素变性和磷酸化、尿素和pH变性两种方法复合修饰SPI，与单一的化学修饰方法相比，尿素浓度为3mol/L、pH为10时，所得到的胶粘强度最大，耐水性也很好。

In this dissertation , Physical and chemical properties of raw material was studied first, then sodium model-modification of it was researched. Next, preparation of FILM in traditional process using montmorillonite after model-modification was in research. After that, we studied the preparation of PILM in hydrothermal process using montmorillonite without being model-modified. Finally, products in experiments were characterized and Analyzed by XRD, IR, DTA.

根据目前国内外的发展现状，针对存在的问题，本课题做了以下几个方面的研究：首先对采用的基质材料的物化性进行了研究；然后研究了其钠化改型的工艺方法；接下来研究钠化后的蒙脱石用常规工艺合成PILM；在此基础上提出并研究了水热法制备PILM和其柱化剂的新工艺；最后对制备的试样通过XRD、IR、DTA等进行了分析和表征。

Calcium montmorillonite was prepared by purifying LeXi bentonite with wet method two times. After purification, sodium modification of Ca-M was studied. A series of Fe/Cr-pillared montmorillonites were prepared with conventional method using sodium montmorillonite as experimental materials, and synthesis condition of Fe/Cr-PILM was studied and optimized. In order to shorten the preparation cycle of PILM by overleaping the step of sodium modification of Ca-M, the pretreatment technique for Ca-M has been pointed out for the first time. A series of PILMs were prepared with hydrothermal method using pretreated Ca-M as starting materials, which show that pretreatment of Ca-M is feasible.

然后，本文以莱西膨润土为原料，用二次湿法提纯了-2μm的钙基蒙脱石，对其进行了钠化改型研究；以改型后的钠基蒙脱石为原料，新型的铁、铬复合离子为柱化剂，研究并优化了常规离子交换法制备PILM的工艺；为了简化PILM的制备工艺，我们首次提出了蒙脱石的预处理工艺，希望通过预处理后可以省去蒙脱石的钠化工艺，以Ca-M为原料直接合成PILM。

Based on Seah's"new"theory, the four modification are adapted: a The modification factor α〓 is introduced according to the properties of impurities and the rule of cohesion bonds; b The parameter of cohesion bond energy ε〓 is calculated from the sublimation enthalpy according to chemical coordination number.

这为基于合金晶界微化学设计的合金韧化工作指明了方向，并从思路及方法上，阐述了可能性。 4。本文研究了合金设计专家系统所需的知识表达方式，认为以语义网络为基础，并结合产生式规则的知识表达模式，比较适合于合金设计领域的知识描述。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。