钡的

Results showed that expansion coefficient exhibited anomalous behaviours, which at the -80℃ transition phase point temperature that are caused by Jahn Teller of "Ti—Ba—Ti—"on Barium Titanate, at same time, we also discussed that dielectric constant affected by the rate of vacancy on barium titanate.

结果表明在钛酸钡的三个相变温度点（120℃、8℃、－80℃）处，热膨胀系数反常变化，我们认为相变温度为－80℃处的热膨胀反常是因钛酸钡BaTiO3中对称元"Ti—Ba—Ti"的静态畸变造成。同时本文讨论了BaTiO3中空隙对其介电常数的影响。

This method was used in the detenmination of Ba in Ba salts and barite with satisfactory results.

方法简便快速，应用于钡盐及重晶石中钡的测定，结果满意。

This method is simple, accurate and sensitive for determination of barium in drinking water.

方法简便、准确，适于饮用水中微量钡的测定。

Objective: To establish a method for determination of barium in drinking water by AAS with lanthanum-coated graphite tube.

目的：建立生活饮用水中微量钡的镧涂层石墨管原子吸收光谱测定方法。

Ni. In addition, the diffuse distance of Ni in BaTiO3 matrix also depends on the oxygen partial pressure in the sintering atmosphere.

另外，镍在钛酸钡的扩散距离系与烧结氧分压有关。

Barium calcium titanate crystal is a new photorefractive crystal. The BCT crystal has more excellent electrooptics properties than BaTiO_3 and has no phase transition at 5℃, which make this material quite attractive for applications.

钛酸钡钙晶体是一种新型的光折变材料，由于其优于钛酸钡的电光性能及无室温相变的优势，使其具有更大的应用前景。

The effect of puring agricultural ammoniacal chloride with barium sulphide and ammoninacal liquor was compared.

比较了硫化钡及氨水对农用氯化铵的净化效果，结果表明，硫化钡的净化效果较好，制得的工业氯化铵，白色度较高，且生产成本较低。

When crude price remained a high level,the quantity of bittern increased,adding method of barium chloride was innovated,and the rate of chemical reaction of barium chloride increased,the cost of caustic soda would be reduced.

介绍了SO42-在盐水生产系统中的平衡情况及去除方法，指出在原盐价格坚挺的情况下，增大卤水用量，改进氯化钡的加入方式，提高氯化钡的化学反应率，可降低烧碱生产成本。

Because of the very low resistivity of metallic layered barium lead oxide , in this work, BaPbO3 or BP ( Pb3O4+ BaCO3) was added into barium titanate-based PTCR to reduced its resistivity at room temperature.

实验通过四种铅酸钡的加入方式，探讨在BaTiO3 中复合铅酸钡的最佳途径。

Barium sulphate precipitated is the main analysis of production through chemical composition, its main compounds of barite ore material is natural barite.

沉淀硫酸钡是通过化学方法生产的主要成分为硫酸钡的化合物，其主要原料是天然重晶石。

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。