查询词典 calcium oxide

The paper studies decomposing ratio of roast of Baotou rare earth concentrate added by calcium oxide in different conditions.

本文研究了包头稀土精矿不同状态下的分解率，通过对比发现在助熔剂(Na Cl+Na2 SO4)和氧化钙存在的情况下，包头稀土精矿可以得到有效的分解，采用正交试验得到分解包头稀土精矿合理的工艺条件。

Three different calcium oxide catalysts were synthesized from different precursors and characterized by X-ray diffraction, scanning electron microscopy, and temperature-programmed desorption.

用不同的前驱物合成了三种CaO催化剂，并以X射线衍射、扫描电子显微镜、程序升温脱附等方法加以表征。

The mechanical properties of polyethylene filled with surface-modified calcium oxide reached the national standards.

采用经过表面处理的氧化钙填充到聚乙烯中，制得C aO-PE薄膜，其力学性能达到国家标准。

The distribution of free calcium oxide f.

利用岩相显微镜分析了转炉钢渣中游离氧化钙

In this paper, the reactive theory of the preparation of sodium hypophosphite by one-stage process taking phosphor ,calcium oxide and sodium carbonate as raw material is introduced.

详细研究了以黄磷、氧化钙和碳酸钠为原料，采用一步法制备次磷酸钠的最佳条件和有关工艺。

In view of the sample phosphate rock with low calcium oxide, the usage range of EGTA solution should be pointed out for the measure precision of magnesium content.

提出对氧化钙含量低的磷矿样，分析中应通过试验确定EGTA溶液的加入范围，以保证MgO测定的准确度。

Calcium oxide was used to neutralize theacidic glutamate wastewater and precipitate the high concentration of SO.-.

常温下，干投法的最佳有效CaO添加量为20.9g／L废水左右，SO_4~(2-)的去除率可达92.4％，残留浓度为450g／L～550mg／L。

Valve is being used as a tank outlet control of dry Calcium Oxide in gravity feed discharge to the blast furnace and is cycled one time every six hours to empty silo in three minutes.

阀门作为贮料筒仓的出口控制装置，用来控制生石灰在重力作用下排放到炼钢炉中。这个阀门每六小时就要循环操作一遍，要求在三分钟内清空贮料筒仓。

Experimental investigations of the removal of hydrogen cyanide by calcium oxide are carried out in a small electrically heated quartz reactor.

本文在石英反应器内试验了高温脱除HCN反应机理，研究了CaO对氰化氢的脱除作用，探讨了温度、体积空速和氰化氢浓度对脱除氰化氢的影响。

The content of calcium oxide is lower than all the other exported slabstone in our country, and has the strongest ability of acid-resistant,weather-resistance.

源于其内在质量优良，氧化钙含量低于我国所有其他出口板石的氧化钙含量，其耐酸、抗风化的能力最强。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。