The invention relates to a vacuum suction casting process for making composite Al-base material.
本发明涉及一种制造铝基复合材料的熔塞法真空吸铸工艺。
Watzlawick et al. selected two theories from the field of mathematical logic on which to base their beliefs about change.
罗瓦兹拉威克等人选择了两个来自于数学逻辑领域的理论来作为他们对于变革的信念的根基。
The men were put on buses and taken to an army base in al-Baida.
大家被安排上了公车，前往一个在艾贝达的军事基地。
The high al, Zn base alloy conical gear with straight tooth in squeezing casting can ensure an accuracy of tooth face.
利用挤压铸造技术生产高铝锌基合金直齿圆锥齿轮，齿面精度能够得到保证。
The results have shown that heat treatment can improve the microstructure of the Al-Si base composite manufactured under case condition.
实验结果表明，热处理能改善铸态下制得的铝硅基复合材料显微组织形态。
To determine which method to be used, some factors should be taken into consideration, such as the kind of bridge structure, the height of piers and abutments, the type of base, et al.
在确定采用哪种方法时，要根据桥梁的结构型式、桥墩材料、墩台高度、基础类型等因素来确定。
Shitanjing mining area is the one of important provision base of coking co al and blending coking coal in Northwestern China.
石炭井矿区是西北重要的炼、配焦煤供应基地之一，由于生产年代长远，矿区内已面临着煤炭资源枯竭的重大问题。
General flocculating mechanism and dynamic behavior of al base water clarifying agents are analysed and discussed in this paper.
分析了铝系净水剂的混凝机理及动力学行为。
The oil transesterification catalysts include usually used acid-base catalyst, solid base, lipase, iodine, metal complex, et al.
油脂酯交换催化剂有：常用酸碱催化剂、酶、固体碱、碘、金属配合物等。
The varieties, basic characteristics, thermal insulating principles, production technologies and et al are introduced on the base of practicality.
从实用性的角度介绍了建筑绝热涂料的种类、基本特征、绝热原理、生产技术等；
Zn base, Al base, and Mg base anodes, auxiliary anodes, reference electrode materials and etc.
锌阳极、铝阳极、镁阳极、辅助阳极材料、参比电极材料等。
The levels of chromium, molybdenum and nitrogen all serve to provide the AL-6XN alloy with resistance to acidic, oxidizing chloride solutions previously achieved only by the nickel base alloys.
铬、钼、氮的含量水平是该耐蚀合金具有之前只有镍基合金才具有的抗酸和抗氧化氯的特性。
The microstructure of the aluminum base alloys is the soft Sn phase particles distributing on the hard matrix(Al-Sn solid solution).
该合金的显微组织为硬的铝锡固溶体基体上分布着软的锡相质点。
The microstructure of the aluminum base alloys is the soft Sn phase particles distributing on the hard matrix(Al-Sn solid solution).
该合金的显微组织为硬的铝锡固溶体基体上分布着软的锡相质点。
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