材料

A combosition of high performance porcelain body material was development for manufacturing solid core post insulators of 500 kV/20 kN and above,α-Al2O3 was introduced for enhancing mechanical strength and alkaline-earth metal components were introduced as flux and "alkaline-restrainer".

为了满足生产550kV/20kN以上棒形产品的要求，对高性能电瓷材料配方进行了研究，在配方中添加α-Al2O3，可提高电瓷材料强度；添加碱土金属元素化合物，可起到强熔剂与"压碱效应"的作用。

The reaction involved hydrolysis and condensation of phenyltriethoxysilane and tetraethoxysilane in the presence of intragallery surfactant templates (alkylamine and quaternary ammonium ion).

三、利用丙胺基三甲氧基硅烷与含水的无机中孔材料反应，成功地将功能基团〓接枝在中孔无机材料的孔壁上。

MATERIALS : Body of blood pump and impeller were titanium alligation, and shaft bearing was ceramic.

材料：血泵泵体及叶轮为钛合金材料，轴承为陶瓷轴承。

Methylation variations of artificial F4 and F10 generations of Raphanus sativus×Brassica alboglabra allopolyploid were examined with MSAP. The results showed that the methylation levels of F4, F10 were 30.61% and 33.10%, respectively.

以人工合成的萝卜－芥蓝异源四倍体的F4和F10世代为材料，用MSAP法检测2种材料DNA甲基化变异情况，以期为远缘杂交后不同世代间基因组DNA甲基化遗传和变异规律提供实验依据。

In this case allowable stress of imported material shall be those for equivalent material in GB150-1998 as follows.

在此情况下，进口材料的允许应力与 GB150-1998中的相当材料相同。

It is specialized in studying, manufacturing, marketing and after-sell service of magnetic material, and mainly produces sintered permanent Alnico magnets, bonded permanent magnets, Alnico magnet powder and assembled magnetic materials, which is widely applied into different kinds of meters, sensors, motors and telecommunications.

它是专门从事研究，制造，营销和后销售服务的磁性材料，主要生产烧结磁体永久磁钢，粘结永磁，铝镍钴永磁粉和组装磁性材料，这是广泛应用于不同种类的米，传感器，汽车和电信。

A series of crosslinkable alternating polys containing pendant phenylethynyl groups were synthesized via aromatic nucleophilic substitution reaction. The resultant polymers show good solubility in ordinary organic solvents.

以耐高温高性能树脂-聚芳醚酮作为研究对象，从改善材料的加工工艺性及提高材料的使用温度出发，对含有苯乙炔基的交替共聚物进行了系统研究。

It is believed that it is a promising alternative for thermionic cathode and field emission cathode. Since 90s 20th century, many important progresses in ferroelectrics cathode have been made. With the researches on the theory and experiments of this field, many new ferroelectrics devices will come into being and will have important usages in high-tech domain.

自20世纪90年代以来，铁电阴极材料及应用研究取得了许多意义重大的研究进展，随着电子发射机理研究的进一步深入，以及新铁电阴极材料制备技术和电子发射技术的进一步发展，完全可以期望在不久的将来就会有各种新型铁电电子发射器件在不同的高新技术领域发挥重要的作用。

The method will involve a sequence of ammonification of glass surface, functionalization of carbon nanotube surface, and bonding between the nanotubes.

将奈米碳管与其它材料以一定的比例复合而制备，进而形成一种具有奈米碳管之复合吸附材料所组成之固相萃取柱介质，其合成步骤包括：奈米碳管表面改质官能化，玻璃粒体之载体氨化及最后将两者经缩合剂作用而产生化学键结使奈米碳管批覆在玻璃粒体之载体上。

Objective: To investigate the feasibility of using amnion allograft with nerve growth factor to bridge peripheral nerve deficit.

目的：探讨同种异体羊膜材料复合应用神经生长因子替代神经材料桥接周围神经缺损的可行性。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。