Study on Zinc Oxide Catalyst for Synthesis of Dimethyl Carbonate by Alcoholysis of Urea
氧化锌催化尿素醇解制备碳酸二甲酯的研究
Effect of Potassium Carbonate and Sodium Bicarbonate on Anatomical Structure of Alfalfa
碳酸钾与碳酸氢钠对苜蓿茎叶解剖结构的影响
Moreover, the composition of the ash contents was found to be mainly calcium carbonate.
进一步的分析表明，灰分的主要成分为碳酸钙。
Impact of Ultrasonic Pretreatment on the Liquefaction of Bagasse in Ethylene Carbonate.
超声处理对蔗渣在碳酸乙烯酯中液化的影响
Synthesis of dibutyl carbonate by transesterification over potassium carbonate catalyst
碳酸钾催化酯交换合成碳酸二丁酯的研究
It is hopeful for calcium carbonate whisker to be applied in covering material industry.
碳酸钙晶须可望在涂料工业中得到应用。
Oceanic production of calcium carbonate is conventionally attributed to marine plankton.
海洋中的碳酸钙通常来自于浮游生物。
Two series of carbonate rocks and argillaceous rocks with similar maturity are confected.
配制了两套成熟度相近的碳酸盐岩和泥质岩丰度系列样品。
SEPARATION OF DIMETHYL CARBONATE FROM ITS AZEOTROPE WITH METHANOL USING TRICHLOROETHYLENE
三氯乙烯恒沸精馏分离甲醇与碳酸二甲酯共沸物
The characterization of modified calcium carbonate by oil absorption ratio was introduced.
介绍了吸油率法直接表征碳酸钙改性效果的方法。
Hard water which can be softened by adding sodium carbonate is called permanent hard water.
经过加入碳酸钠能被软化得硬水，称为永硬水。
Study on adsorption properties of carbonate hydroxyapatite for hexavalent chrome in wastewater
碳羟基磷灰石除废水中六价铬的吸附性能研究
Crystalline lanthanum carbonate was synthesized using ammonium bicarbonate as the precipitant.
以碳酸氢铵为沉淀剂合成了碳酸镧晶体。
The Theoretics Research on the Preparation of Active Zinc Oxide by Ammonium Hydrogen Carbonate.
碳酸氢铵法制备活性氧化锌的理论研究
Synthesis of dimethyl carbonate by catalytic coupling reaction and its use as gasoline additive
碳酸二甲酯的催化偶联合成及作汽油添加剂的研究
At present mainly uses the union system alkaline process production calcium carbonate soda ash.
目前主要用联合制碱法生产碳酸钙纯碱。
Experimental study on ammonia volatilization with air stripping in producing potassium carbonate
碳酸钾生产中吹脱法除氨的实验研究
Oxidative carbonylation synthesis of diethyl carbonate in vapor phase and at atmospheric pressure
常压气相氧化羰基化合成碳酸二乙酯
Analysis of Fluctuation and Amplitude Increase in Sonic Logs Caused by Fractures in Carbonate Rocks
裂缝性碳酸盐岩储层声波时差曲线的波动和增幅分析
Study on process of surface modification of nanometer calcium carbonate with aluminate coupling agent
铝酸酯偶联剂改性纳米碳酸钙的工艺研究
Study on extracting barium carbonate and sodium chloride from the pregnant liquor of barium hydroxide
从氢氧化钡外排母液中提取碳酸钡、氯化钠的研究
Experimental Research on Fluid Sensitivity of Carbonate Gas Reservoirs with High Content of Acidic Gas
高含酸性气碳酸盐岩气藏流体敏感性实验研究
Compared with lightweight calcium carbonate, calcium carbonate whisker has better reinforcement effects.
与轻质碳酸钙相比, 碳酸钙晶须具有较佳的补强作用。
Effect of mechanochemical activation on calcium carbonate in a recently developed eccentric vibrating mill
新型偏心振动磨对碳酸钙粉料的机械力化学激活效应
Study on Synthesis of Calcium Carbonate Crystal Beard by Carbonation Reaction in Analogue Carbonation Tower
模拟碳化塔中碳酸化反应合成碳酸钙晶须研究
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