Understanding of acid wormhole in carbonate reservoir acid fracturing 碳酸盐岩酸压中酸蚀蚓孔的认识与思考
Study and application of healed acid fracturing in carbonate reservoir development in the northeast of Sichuan 闭合酸压技术在川东北地区海相碳酸盐岩储层开发中的研究与应用
Determination of nonsolute for chloric acid in cathode carbonate GB/T10304.7-1988阴极碳酸盐中盐酸不溶物的测定
A salt of carbonic acid in which one hydrogen atom has been replaced; an acid carbonate. 碳酸的一种盐,其中一个氢原子被替换,一种酸式碳酸盐。
The synthesis of magnesium pyruvate from pyruvate acid with magnesium carbonate was studied. 研究了丙酮酸与碳酸镁反应合成丙酮酸镁的工艺过程。
Behaviors of clay minerals in dilute sulphuric acid and sodium carbonate leaching 粘土矿物在稀硫酸和碳酸钠浸出中的行为
A white crystalline salt made by the action of lactic acid on calcium carbonate; used in foods ( as a baking powder) and given medically as a source of calcium. 一种白色晶状的盐,由乳酸和碳酸钙反应形成,用于食物(做发酵粉)中,并作为医学上钙的来源。
Effects of Simulated Acid Rain on Carbonate Stones Coated with Different Protective Products 模拟酸雨对不同石材防护材料的影响
The formation of organic acid speeds dissolution of minerals in source rock, and the influence of the organic acid dissolving carbonate mineral influence is most obvious. 其中乙酸的形成有利于碳酸盐矿物的溶解,而草酸的形成不利于碳酸盐的溶解。
Predicting of effective distance of live acid for carbonate reservoir acid fracturing and its influence factors 酸液有效作用距离预测及影响因素分析
Content of the project: utilize CO2 resource, to set up production lines of methyl carbonate, granular dry ice powder, salicylic acid, sodium carbonate and ethylene urea etc. 项目内容:利用二氧化碳资源,新建碳酸二甲酯、粒干冰粉、杨酸、质氧化鲜、酸钠、撑脲生产线。
Corrosion and Anti-corrosion of Carbon Steel of the Aqueous Phase Heat-Exchanger in Refineries Effects of Simulated Acid Rain on Carbonate Stones Coated with Different Protective Products 炼油厂水相换热器碳钢材料的腐蚀与防护措施研究模拟酸雨对不同石材防护材料的影响
A Pilot-scale Test for producing Boric Acid and Manganese Carbonate from Boron-manganese Ore 硼锰矿生产硼酸和碳酸锰的半工业试验研究
Sorption and Desorption of Neptunium(ⅴ) on Loess and Its Solid Components: Relative Contribution and Hysteresis? Effects of Fulvic Acid and Carbonate in Solution Np(Ⅴ)在黄土及其固相组分上的吸附与解吸&相对贡献、滞后系数、溶液中腐殖酸和碳酸盐的影响
New process of preparation of large granule food-class phosphoric acid hydrogen calcium with phosphoric acid and calcium carbonate 磷酸-碳酸钙法制备大颗粒食品级磷酸氢钙新工艺
The sodium monofluorophosphate is prepared by the reaction of the intermediate and sodium fluoride at high temperature, in which the intermediate is formed by the reaction of phosphoric acid and sodium carbonate. 利用磷酸与碳酸钠反应生成中间产物,将此中间产物与氟化钠混合后在高温下反应生成单氟磷酸钠。
Research on variation of velocity sensitivity and water sensitivity before and after acid etching in carbonate reservoir 酸蚀前后碳酸盐岩储层速敏性和水敏性变化研究
Study on Acid Polishing of Carbonate White Jade 碳酸盐质白玉的酸抛光研究
Up to now, it has not yet been taken into account at home and abroad that the decreasing acid concentration and the increasing reaction products influence the effective mass transfer of hydrogen ions in the flowing acid reacting with carbonate rocks. 迄今为止,国内外的研究者,在解决这一问题时,均未考虑酸&岩流动反应过程中,酸浓度下降和反应产物浓度升高对氢离子传质速度的影响。
The productive and applied present situation of anionic ammonium acid carbonate additive is summarized in this paper. The difference of use result is analyzed from molecular structure and product composition. 综述了反应型阴离子碳铵添加剂的生产应用现状,并从分子结构和产品组成上分析了使用效果差异;
Results indicate that reaction of the powder acid with carbonate can be retarded effectively by using some special place technique and capacity of dissolving carbonate is identical with hydrochloric acid. 结果表明:采用一定的置放技术,固体酸可有效延缓与碳酸盐岩的反应,具有与盐酸相同的溶解能力。
The pilot-scale test results of producing Boric acid and manganese carbonate from B-Mn ore are elucidated. 阐述了由硼锰矿生产硼酸和碳酸锰的半工业试验结果。
According to low solubility of potassium pentaborate in water solution, the rules of reaction in water including potassium hydroxide and boric acid, potassium carbonate and boric acid, and potassium tetraborate and boric acid, were obtained. 利用五硼酸钾在水溶液中溶解度小的特点,获得用不同物质的量配比的氢氧化钾与硼酸、碳酸钾与硼酸、四硼酸钾与硼酸在水溶液反应制取五硼酸钾的规律;
When high temperature reservoirs are treated with acid-fracturing, the length of acid etched fracture is limited because the acid/ carbonate reaction is too fast, which makes the results of acid fracturing no good. 对高温油气层实施酸压时,由于酸岩反应速度过快,酸蚀裂缝长度有限,往往导致酸压效果不理想。
In ammonium acid carbonate electrolyte, the acidic functional groups content was increased slowly with the current density enlarging at first and then decreased quickly, the maximum content was got at ( 1.4 A/ g.) 采用碳酸氢铵电解质时,纤维表面酸性官能团含量随着电流强度的增大先缓慢增大而后迅速减少,电流强度为14A/g时达到最大值。
Synthetic process of cerium acetate and rare earth acetate was presented and influences of concentration of acetic acid, reaction temperature, proportion between acetic acid and cerium carbonate, and reaction time on the dissolve solubility of cerium carbonate were discussed. 研究了醋酸铈及醋酸稀土的研制工艺。分析了醋酸浓度、反应温度、醋酸与碳酸铈固液比、保温时间对碳酸铈溶解收率的影响。
Determination of alkyl sulfonyl chloride in the ammonium acid carbonate mother solution by mixed indicate two phases titration 碳酸氢铵生产母液中烷基磺酰氯测定&混合指示剂两相滴定法
Besides, a certain proportion of sodium bicarbonate to acid ammonium carbonate is conducive to porosity of product structure and the reduction of product hardness. 此外,一定比例的碳酸氢钠和碳酸氢铵混合作为化学膨松剂有利于产品结构疏松多孔,降低产品硬度。
Phosphoric acid and lithium carbonate is cheap and easy to get. 所用原料磷酸、碳酸锂廉价易得,而共沉淀法是湿法中比较简单,易应用于生产。