钡的

Two processes to prepare Ba-ferrite particles for low density magnetic recording made by ceramic techniques are introduced in this paper.

介绍了采用陶瓷技术制备低密度磁记录钡铁氧体磁粉的两条技术工艺。

The best linearity of the curve of impedance versus relative humidity appears at the frequency of 100 Hz.

制备了电阻式纳米钛酸钡湿敏元件，测试了元件的阻抗、电容，以及介电损耗特性。

The typical roentgen features of intramural hematotha of duodenum are presented by UGI series, ultrasound and CT studies.

典型的十二指肠壁内血肿可由上肠胃道钡剂摄影，超音波与电脑断层来加以展现。

Often they include barium stearate, which serves to enhance HAARP and military radar transmissions.

他们往往包括硬脂酸钡，服务，以提高haarp和军用雷达传送的安全性。

Barium Strontium Titanate has been recognized as a kind of ideal material for phase shifters.

钛酸锶钡材料被普遍认为是最有前途的铁电移相器材料。

Study has been carried out to reduce cost, simplify process and improve and stabilize the product property according to sufficient analysis of the property of the current synthetic brake shoes with high friction factor both at home and abroad. Phenolic resin,butadiene nitrile rubber powder, graphite,sylvine feldspar, alumine, BaSO4 are used as main materials and dry process is employed in the study.

在充分剖析目前国內外高摩擦系数合成闸瓦性能的基础上，以酚醛树脂、丁腈橡胶粉、石墨、钾长石粉、铝矾土、硫酸钡等为主要原材料，采用干法工艺，围绕降低成本、简化工艺、提高并稳定产品性能等方面开展研究。

A method of determining the total sulphur content in the coal by titrimetry of semimelting and barium chloride is tested and researched.

研究了采用玫瑰红酸钠－氯化钡容量滴定法快速测定煤中的硫含量。

METHODS: Two thousand three hundred patients with functional constipation were retrospectively studied with the five criteria.

自1999年至2003年共收集接受了较全面检查(包括问卷调查、结肠镜或钡灌肠检查、排粪造影检查、肛门直肠压力测定和结肠传输试验)的功能性便秘患者2，300例。

Barium titanate(BaTiO_3) has been broadly used as the raw material for heat variable resistor,multi-layer ceramic capacitors, electro-optic device and dynamic random accessmemories.

钛酸钡(BaTiO_3)是性能优异的强介电和铁电材料，被广泛应用于制造热敏电阻器、多层陶瓷电容器、电光器件和DRAM器件。

Secondly, as to the improvement of cycle life of mercury-free RAM, Calcium zincate, barium zincate and strontium zincate samples were synthesized by a chemical method and used as negative electrode additives in mercury-free RAM for the first time.

其次，在改进无汞可充碱锰电池循环寿命方面，采用化学方法合成了锌酸钙、锌酸钡和锌酸锶样品，首次将其用于无汞可充碱锰电池的负极添加剂。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。