Study on Extractive Distillation of Dimethyl Carbonate from its Azeotrope with Methanol Using Ethyl Benzene
乙苯萃取精馏分离甲醇与碳酸二甲酯二元共沸物
Recent research advance in preparation of ultrafine barium carbonate and strontium carbonate is summarized.
综述了超细碳酸钡和碳酸锶制备方面得研究进展。
Examples are sodium carbonate and potassium acid phthalate which are to standardize acid and base solutions.
例如碳酸钠和邻苯二酸氢钾，分别用来标定酸和碱溶液。
Catalytic activity of vanadium pentoxide for the absorption of carbon dioxide by potassium carbonate solution
五氧化二钒催化钾碱液吸收二氧化碳的机理
and calcium carbonate as a bulking agent without affecting the properties of the case may reduce the cost of.
而碳酸钙作为填充剂在不影响性能的情况下可降低成本。
Researches on Refining Calcium Carbonate Filling with Lime Mud Through Reed Pulp Black Liquor Alkali Recovery
苇浆黑液碱回收白泥精制填料碳酸钙的研究
SODIUM HYDROGEN CARBONATE FOR INDUSTRIAL USE. DETERMINATION OF SODIUM HYDROGEN CARBONATE. TITRIMETRIC METHOD.
工业碳酸氢钠。碳酸氢钠含量的测定。滴定法
Technical factors affecting deep drilling speed in carbonate reservoirs of east Sichuan and treatment strategy
影响川东碳酸盐岩深井钻井速度的因素及对策
As the polyvalent metal inorganic salt, use is made of calcium carbonate, zinc carbonate or calcium phosphate.
作为该多价金属无机盐，为碳酸钙、碳酸锌或者磷酸钙。
Study of Catalytic Synthesis Process for Methyl Phenyl Carbamate by Reaction of Dimethyl Carbonate with Aniline
碳酸二甲酯胺解合成苯氨基甲酸甲酯催化研究
SODIUM HYDROGEN CARBONATE FOR INDUSTRIAL USE. DETERMINATION OF SODIUM CARBONATE CONTENT. POTENTIOMETRIC METHOD.
工业碳酸氢钠。碳酸钠含量的测定。电位滴定法
Thermodynamic calculation method is proposed for the adiabatic flash process of hot potassium carbonate solution.
提出热钾碱溶液绝热闪蒸过程的一种热力学计算方法。
The main sedimentary facies are carbonate plateform edge, open carbonate platform and limited carbonate platform.
沉积环境以台地边缘, 开阔台地相, 局限台地相为主
Result discovery that， Gathers the aspartic acid to have the fine anti filthy performance to the calcium carbonate.
结果发现聚天冬氨酸对碳酸钙具有优良的阻垢性能。
Seep Carbonate and Preserved Bacteria Fossils in the Northern of the South China Sea and their Geological Implications
南海北部冷泉碳酸盐岩和石化微生物细菌及地质意义
A DISCUSSION ON GEOLOGIC BACKGROUND FOR CARBONATE GRAVITY FLOWS IN EARLY PALEOZOIC CARBONATE ROCKS ON YANGTZE PLATFORM
扬子地台早古生代碳酸盐重力流沉积的地质背景探讨
SYNTHESIZING ZEOLITE MOLECULAR SIEVE AND PREPARING POTASSIUM CARBONATE FROM NEPHELINE SYENITE OF WESTERN ANHUI PROVINCE
皖西霞石正长岩合成沸石分子筛及提钾的实验研究
Calcite and aragonite are the two crystal forms of calcium carbonate, a property of minerals geologists call dimorphism.
方解石和文石是两种碳酸钙结晶组成, 地质学者称二态性。
Study on Extractive Distillation of Dimethyl Carbonate from Its Azeotrope with Methanol Using Toluene as Extracting Agent
甲苯萃取精馏分离甲醇与碳酸二甲酯共沸物
Synthesis of Dimethyl Carbonate by the Transesterification of Propylene Carbonate with Methanol Catalyzed by Potassium Titanate
钛酸钾催化碳酸丙烯酯和甲醇酯交换合成碳酸二甲酯
The influence of drying condition of monohydrate sodium carbonate on the whiteness of dense soda ash is discussed in this paper.
主要研究一水碱干燥条件对重质纯碱白度的影响规律。
The process and characteristics agitated continuous bubbling carbonation for producing superfine calcium carbonate are introduced.
介绍了连续鼓泡碳化法生产超细碳酸钙工艺流程及特点。
Alga Assembtages and Palaeoenvironment of Eogene Hetaoyuan Formation Lacustrine Carbonate Rocks in Biyang Depression, Henan Province
泌阳凹陷核桃园组湖相碳酸盐岩系藻类组合及古环境
A Study on the Composition of Barium Carbonate Residue and Synthetical Control over the Residue Pond Pollution of a Barium Salt Factory.
某钡盐厂钡渣成分研究及渣场污染的综合治理
The results showed that adding barium carbonate to the raw materials could enhance the acid resistance of the acidproof bricks effectively.
四羟基醌硫酸钡滴定法测定生活饮用水中硫酸盐
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