查询词典 barium

By and large seed 7-12, 4-6 species are the main materials such as quartz sand, limestone, feldspar, soda ash, boric acid, lead compounds, barium compounds, and so on, according to theintroduction of the oxide in the glass structure of the role, Into the glass forming oxides of raw materials, intermediate raw materials of oxide, network-oxide materials, according to the introduction of the nature of the oxide, acid oxides can be divided into raw materials, base metal oxide materials.

大体由7-12种组成，主体料有4-6种，如石英砂、石灰石、长石、纯碱、硼酸、铅化合物、钡化合物等，按所引入氧化物在玻璃结构中的作用，可分为玻璃形成氧化物的原料、中间体氧化物的原料、网络外体氧化物的原料，按所引入氧化物的性质，可分为酸性氧化物的原料、碱金属氧化物的原料。

In the solution,low concentration sulfate ions was determined by a direct titration with barium perchlorate as titrant and thorin as the indicator;the concentration of calcium ions was determined by a direct EDTA titration using Calcon carboxylic acid sodium salt as the indicator.

先用高氯酸将固体混合物溶解形成水溶液，然后以钍试剂为指示剂，用高氯酸钡溶液滴定溶液中的微量硫酸根，并用EDTA法以钙红为指示剂滴定溶液中的钙离子，从而可以计算出钙基脱硫剂的固硫率(表示为脱硫后固体混合物中的钙硫化)。

Most factories use the carbonization method. Some medium and small factories use the barium carbonate ore method. Only a few factories use the double decomposition method with a relatively high cost. The total output was 500kt in 2001. There are more than 30 factories today and facilities under construction have a capacity of 110kt/a.

目前我国大多数厂家采用碳化法，一些中、小型企业采用毒重石法，而只有少数厂家采用成本较高的复分解法生产碳酸钡。2001年全国碳酸钡总产量为50万t，30多家生产厂，在建装置能力11万t/a。

Barium sulfate particles were synthesized in the presence of EDTA at room temperature.

摘 要：采用EDTA 络合法在室温下合成了硫酸钡微粒。

Pigment of cadmium sulfide and barium sulfate varying in hue from lemon yellow to orange.

硫化镉和硫化钡形成的颜料，色调从柠檬黄到橙色。

Barium sulfate Whiteness 95, calcium less than 3, Guizhou mine.

硫酸钡白度95，含钙小于3，贵州矿。

This paper introduces the grinding principle,the major structure of pendulum grinder and its application in the production of sedimentary barium sulfate ,and points out some notable matters in the production.

介绍了摆式磨粉机的粉碎原理、主要结构以及在沉淀硫酸钡生产中的应用，并指出在生产中应注意的事项。

Barium sulfate is relatively translucent and may be used as a pigment extender.

它给小不透明度和几乎是透明的。

Pigment of cadmium sulfide and barium sulfate varying in hue from ''.

硫化镉和硫化钡形成的颜料，色调从柠檬黄到橙色。

According to the production experience for many years,the factors of effecting on the quality of precipitated barium sulfate are summarized and the measures for improving the product quality are put forward.

根据多年的生产经验，总结出影响沉淀硫酸钡产品质量的因素；就原料液含杂质超标以及各生产工序工艺条件控制不合理提出解决问题的办法；提出了提高沉淀硫酸钡产品质量的措施。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。