It reviews the optimization measures of Al-Si piston alloy, including kinds, chemical composition, grain refinement, modification, alloying and heat treatment.
评述了铝硅活塞合金的种类，化学成分，晶粒细化，变质处理，合金化和热处理工艺等优化手段。
The optimization of mix composition of concrete according the calculation of inner stress at early age may reduce the cracking risk of concrete structure.
早龄期时混凝土结构内应力的计算为优化混凝土材料的组成提供了依据，尽可能减少混凝土结构的开裂。
The model composition was given out, and the effect of the sequence of hierarchical multistage fusion and partial fusion on integrated estimation as well as the optimization were discussed.
给出了模型的构成，并讨论了分层多级融合顺序与部分融合对全局估计的影响及其优化。
The results of computation show that the model and the arithmetic are feasible for optimization of grain composition of packing particles in general.
计算结果表明所给的优化模型及算法对于堆积颗粒系统中颗粒级配的优化是可行的。
The last section is conclusion, which accounts for the meaning and the value of target optimization and tactics changing in composition criticism middle school writing.
该部分对作文评改目标优化与策略整合的意义和价值作了相关的说明。
A general mathematical formula for calculating the size composition of grinding medium which is simple and practical and can be used in direct calculation and further optimization study is described.
介绍了一种简单实用、可用于直接计算和进一步优化研究的磨矿介质配比计算数学通式。
Focus on two-dimensional medical image visualization system theory and the composition of technical means, 3d medical image reconstruction algorithm optimization improvements.
重点是二维医学图像的三维可视化系统的构成原理及技术手段、三维医学图像的重构算法的优化改进。
Through additive selection and formula optimization, the basic composition of sand consolidating fluid (SCF) is established as follows: 5.
通过组分筛选和配方优化，得到固砂液的基本配方为：5。
Thus a demonstration is made on the composition and robustness of time optimization system; and on the suitability of the switching functions of suboptimal timing control.
本文论证次时间优化系统的组成及其鲁捧性，以及次优化时间控制的开关函数的适用性。
Presented is an orthogonal experiment for optimization study on the composition of compound binder and main briquetting technics parameters of briquette used for metallurgy furnace.
以湖南金竹山无烟煤为原料，采用正交实验法对冶金炉窑用型煤复合黏结剂各组分的配比及型煤成型的主要工艺参数进行了实验研究。
The results were showed that the chosen method of optimization of medium composition was efficient, relatively simple as well as time and material saving.
褐多孔菌在优化的发酵培养基中的抗菌活性显著提高，表明响应面法在培养基优化中十分有效，相对简单，且节省时间和材料。
Their influencing regularities have been elucidated, which leads to the way of fuel composition regulation as well as the methods of fuel property optimization and fuel application in this paper.
发动机结构和工作条件对排放的影响与燃料的影响相比，前两者处于主导地位，所以以往柴油机排放控制技术的研究突出了改进发动机结构设计和调整发动机工作?。
Their influencing regularities have been elucidated, which leads to the way of fuel composition regulation as well as the methods of fuel property optimization and fuel application in this paper.
发动机结构和工作条件对排放的影响与燃料的影响相比，前两者处于主导地位，所以以往柴油机排放控制技术的研究突出了改进发动机结构设计和调整发动机工作?。
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