陶瓷

Based on grinding temperature experiment and heat transfer theory,grinding heat partition in engineering ceramics is obtained.

基于磨削温度的实验和传热学理论，得出了工程陶瓷工件的磨削热分配比；得出了干磨及湿磨两种状态下工程陶瓷磨削温度场的分布。

The joinings of graphite,SIC ceramic and 3D-C f /SiC composites were obtained by using silicone resin as a precursor at 800-1400℃.Effects of the curing and pyrolysis process of SR,pyrolysis temperature,holding time and heating rate on the joining were especially studied.

由硅树脂作为先驱体，在高温（800-1400℃）转化陶瓷结合层对石墨、SiC陶瓷及3D- C f/ SiC复合材料进行了连接实验，着重探讨了硅树脂固化裂解过程、裂解温度、保温时间及升温速率对连接性能的影响。

The premises of data analysis in ceramic enterprises utilizing technology of data mining is obtaining the information of customers and product sales. Based on that,, the author divides the system into five modules as follows: customer management, sales management, service management, analysis management and user management (Administrator access distribution) in designing ceramic RAM system, among them, the module of customer manager is used for maintaining the information of customers and linkmen.

利用数据挖掘技术对陶瓷企业的数据分析的前提是获取客户信息和产品销售信息，基于此，在对陶瓷企业CRM系统设计时将其分为客户管理、销售管理、服务管理、分析管理、用户管理等五个主要模块。

Finally, for the manufacture demand of multilayer piezoelectric transformers , the low-melting additions, which had transient liquid-phase sintering mechanism, could be used to decreasing the sintering temperature and improving the properties.

压电陶瓷变压器的片式多层化需要低烧结温度的压电陶瓷材料以匹配低成本的银钯电极浆料，利用具有过渡液相烧结机制的玻璃料作为助溶剂可以在不劣化性能的同时大幅降低烧结温度。

According to the emphatic analysis of processing,the 4 kinds of laser damage-free cutting methods,including traditional optimized parameter method,laser multiple-pass cutting,laser cutting with controlled fracture by stress guiding method and aided laser cutting method,are summarized.

介绍了硬脆性陶瓷激光切割技术研究的若干新进展，着重从工艺角度系统地分析总结了激光加工陶瓷减少热损伤的4大类型：传统工艺的优化参数法、多道切割法、应力引导控制裂纹切割法以及辅助切割法。

Transparent YGO ceramics were prepared by sintering at 1670℃ for 2h in vacuum using the powders calcined at 1100℃. The YGO ceramics shows a high in-line transmittance of 74.6% in the visible-light region, much higher than that of transparent Y2O3 ceramics prepared by the same process.

采用所制备的YGO：Eu纳米粉体，在1670℃真空烧结2h可获得透光性良好的透明陶瓷，样品在可见光区的最高透过率可达74.6%，高于相同工艺条件下制备的氧化钇透明陶瓷。

Grain boundary barrier structure of nano-titania modified TiO2 varistors ceramics were investigated by an experimental method.

1引言Ti仇压敏陶瓷是一种具有高电容性的低压压敏陶瓷电阻，是最有发展前途的压敏材料之一川。

The ceramics of the Ching Dynasty stand at the peak of the Chinese tradition of ceramic manufacture, especially the K'ang-his, Yung-cheng and Ch'ien-lung periods, technology reached a high stage of development in history, many innovative products had been invented.

在我国陶瓷发展史上，黑色陶瓷在各个历史阶段均作有一定的地位。黑色器皿在人们的社会中一贯受到重视和喜爱。早在七千年前的河姆渡文化时期，就出现了夹黑陶。薄如蛋壳的黑色陶瓷器是龙山文化的标志。

The new-model double-interpenetrating SiC/390AI composites reinforced by hollow and porous foam ceramic were fabricated by the squeeze casting method, and the effect of the structures of struts of SiC foam reinforcement on the SiC/390AI composites was investigated.

以空心多孔SiC泡沫陶瓷为增强体，用挤压铸造法制备了新型复式连通双连续相SiC/390Al复合材料，研究了泡沫陶瓷骨架筋的结构对复合材料的影响，以及复合材料中的界面对力学性能的影响。

The aim of this thesis is to explore new MWDC with cation-deficient perovskite structure in A_5B_4O_(15) system. According to the characteristic of A_5B_4O_(15) perovskite structure, series of new titanates / tantalates Ba_(5-x)La_xTi_xTa_(4-x)O_(15)(x=1~3) were prepared, characterized. The dielectric properties were measured. Furthermore, the effects of Nb~(5+) substitution Ta~(5+) at B-site in Ba_3La_2Ti_2Ta_2O_(15) ceramic on structure and dielectric properties were studied.

本论文的主要目的是在A_5B_4O_(15)系列中探索新型类钙钛矿结构高性能微波介质陶瓷，进行了Ba_(5-x)La_xTi_xTa_(4-x)O_(15)(x=1～3)系列钛钽酸盐陶瓷的制备、结构与介电性能研究工作，并研究了材料Ba_3La_2Ti_2Ta_2O_(15)的B位Nb~(5+)离子取代Ta~(5+)离子对材料结构和介电性能的影响。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷