This sandstone unit is commonly thick-bedded and massive, with silty and carbonaceous laminations.

Coal is a sedimentary rock composed principally of organic carbonaceous macerals and inorganic minerals.

摘要煤是一种有机沈淀岩,主要包括有机碳化合物和无机矿物.

B . The most reactive metal can form the most stable carbonate.

较活泼的金属可以生成较稳定的碳酸盐.

Methods of preparing nanometer strontium carbonate with high purity are also reviewed.

最后对高纯碳酸锶纳米粉体的制备技术进行了综述.

The carbonate rock is widespread in South China where there are various karst topography.

中国南方岩溶地区分布有面积广泛的碳酸盐岩,发育多种岩溶地貌.

Pigments have clay ( white clay ), calcium carbonate , sand , small white , aluminum hydroxide and titanium dioxide.

颜料有白土 ( 白色黏土 ) 、 碳酸钙 、 沙丁白 、 氢氧化铝、二氧化钛和塑料颜料等.

CITIC Guoan base in Qinghai Salt Lake has begun production of lithium carbonate products.

中信国安在青海的盐湖基地已开始生产碳酸锂产品.

Moreover, some suggestions were given for the development of potassium carbonate industry in China.

通过对我国碳酸钾工业现状进行分析, 对其今后发展提出建议.

The mechanism of hydrocarbon generation in carbonate rocks are studied by step heating extraction and simulation.

作者通过逐阶抽提加热和逐阶加热模拟实验对碳酸盐岩的生烃机理进行了研究.

This paper studied the manufacture of reagentlevel lithium sulfate monohydrate from industry level lithium carbonate.

本文研究了以工业碳酸锂为原料,制备试剂级一水合硫酸锂的工艺条件.

Less neodymium rare earth carbonate with different crystalline feature can be produced.

在不同的工艺条件下能生产出晶型型貌不同的少钕碳酸稀土.

The method of preparation and oi sodium glycine carbonate were reported.

本文报导了新颖食品和医药助剂氨基乙酸钠碳酸盐的制备和测试方法.

With the promotion of new energy vehicles, lithium carbonate demand will rapidly increase.

随着新能源汽车的推广, 碳酸锂的需求将快速增长.

Zn basic zinc carbonate or zinc oxide from the residues of zinc plating process.

研究了以含锌废渣为原料,制备锌产品的工艺条件.

In this paper, the synthesis principle of transesterification of diphenyl carbonate ( DPC ) is briefly discussed.

简要介绍了酯交换法合成 碳酸 二苯酯的反应原理.

The method of titrimetric analysis of dissoluble carbonate in water glass has been established.

建立了水玻璃中可溶性碳酸盐的滴定分析法.

The method to observe the precipitated calcium carbonate crystal with optical microscope is simple and direct.

介绍使用光学显微镜观察轻质碳酸钙晶体的方法.

Absorbs carbon dioxide from air and then forms barium carbonate.

在空气中吸收二氧化碳而成碳酸钡.

Carbonate of lake facies is a weak field of sedimentological research both at home and abroad.

研究发现湖相鲕粒灰岩是一种良好的储层,其孔隙中含大量石油.

Acid fracturing is an important treatment of carbonate which has been widely used and abroad.

酸压是碳酸盐岩油气层增产的重要措施之一,广泛的应用于国内外油田.

It is stirred with 10 % sodium carbonate solution ( 50 ml ) and then with water ( 50 ml ), after which It'solidifies.

与10%碳酸钠溶液 ( 50毫升 ) 混合搅拌,然后再用50毫升水混合搅拌, 从而析出固体.