Study on Dehydration Process Kinetics Parameters of Magnesium Oxalate Dihydrate with Double Equal-Double Steps Method 双等双步法对二水合草酸镁的脱水过程的动力学研究
The crystallization course of dihydrate calcium sulphate affected by APA was also researched. 另外还研究了添加不同类型的活化疏松剂对二水硫酸钙结晶过程的影响。
Measures for reducing sulfuric acid consumption in production of phosphoric acid by dihydrate process Study on Technology for Sodium Citrate Production through One Step Reaction 二水法磷酸生产降低硫酸消耗的几点措施钙盐一步法生产柠檬酸钠的工艺研究
ZnO nanorod bundles were synthesized by employing zinc acetate dihydrate and hydrazine hydrate as reactants via a simple mild solution method without using any surfactant. 以水合醋酸锌和水合肼为反应物,在不使用任何表面活性剂的条件下,采用一种简单温和的液相法制备了氧化锌纳米棒束。
The composite binder of dihydrate phosgypsum and fly ash ( PGF) is a new kind of binder made from unpretreated phosgypsum, fly ash and activator. 二水磷石膏粉煤灰复合胶结材(PGF)是直接将未经处理的磷石膏通过加入粉煤灰和激发剂改性制得的新型胶结材。
Study on the crystallization course of dihydrate calcium sulphate and the effect of APA on its crystallization; 对影响钙离子向硫酸钙转化的各种因素及反应后产物二水硫酸钙的纯化处理进行了研究。
Manufacture Artificial Marble with Silane Coupling Agent Modified Dihydrate Gypsum Powder and UP Resin It also discussed the fineness and activating agent in modification of natural anhydrite. 硅烷偶联剂改性二水石膏粉填充树脂基人造大理石的应用研究本中还对细度与激发剂对天然硬石膏的改性机理进行了探讨。
Organic matter weakens the combination of dihydrate gypsum crystals and makes the strength reduce. 这些有机杂质可削弱二水石膏晶体间的接合,使硬化体强度降低;
Thermal decomposition of ferrous oxalate dihydrate was investigated using in situ X-ray diffraction ( XRD) analysis and thermogravimetry in static self-generated air. 用原位XRD技术和热重法分析了二水草酸亚铁的热分解过程,并进行了动力学研究。
Some mixed-valence molybdenum oxide powders were prepared under nitrogen atmosphere and at given temperatures, by the pyrolysis of the precursor precipitated from the ammonium molybdate solution with a dihydrate of oxalic acid and hydrazine as additives. 利用钼酸铵作为钼源,草酸和肼作为添加剂,制备出前驱物,在氮气氛和一定温度下进行热处理,可以得到混合价钼氧化物。
Methods of gypsum whiskers are introduced in this paper, the shape and heat resistance of dihydrate gypsum whiskers with the relative calcium sulfate whiskers have been compared, and some characteristic pictures were given. 介绍了石膏产品的制备方法,对二水硫酸钙晶须和无水硫酸钙晶须的制备及其性能进行了探讨,并首次给出了上述晶须的一些特征谱图。
This paper gives Sellmeier's relation of refractive indices for the crystal of yttrium formate dihydrate. 本文给出了二水甲酸钇晶体折射率的Sellmeier公式。
Effect of Citric Acid on Crystalline Habit and Crystal Morphology of Dihydrate 柠檬酸对石膏析晶过饱和度和微结构的影响
A new technique of one-step defluorination in the production of calcium hydrogenphosphate dihydrate has been reported in this paper. 详细讨论了磷酸氢钙生产中的脱氟工艺条件。
The results show that the product is a mixture of zinc phosphate dihydrate and tetrahydrate. 结果表明:产物为二水和四水磷酸锌混合物;
Production Process and Application of Sodium Citrate Study on the preparation of Dihydrate Sodium citrate 柠檬酸钠的应用与生产工艺二水柠檬酸钠制备工艺研究
A clinical study of calcium oxalate monohydrate and calcium oxalate dihydrate stones 一水草酸钙与二水草酸钙结石形成机理的研究
High-strength α-plaster of Paris can be produced by dehydrating gypsum dihydrate partially in aqueous salt solution. 二水石膏在盐溶液中部分脱水可制得高强度α-半水石膏。
It was considered that ferric chloride hexahydrate, stannous chloride dihydrate and strong-acid cation exchange resin are excellent catalysts with practical application value for synthesis of allyl propionate. 综合评价后认为,六水三氯化铁、二水氯化亚锡和强酸性阳离子交换树脂是在合成丙酸烯丙酯中具有实用价值的催化剂。
Polyacrylamide ( PAM) promoted the formation of calcium oxalate dihydrate ( COD), changed morphology of calcium oxalate monohydrate ( COM) crystals and calcium oxalate dihydrate ( COD) crystals, inhibited the nucleation of COM, however, promoted the aggregation and growth of COM crystals. 聚丙烯酰胺(PAM)不但能促进二水草酸钙(COD)形成,改变一水草酸钙(COM)和COD晶体的形貌,而且在抑制COM成核的同时却促进COM晶体生长及聚集;
Thermal Behavior and Dehydration Kinetics of Ferrous Oxalate Dihydrate 二水草酸亚铁热分解行为及脱水反应动力学研究
Magnesium phthalate dihydrate was synthesized by rheological phase reaction. 用流变相反应法合成了二水邻苯二甲酸镁。
Objective To study the mechanism of calcium oxalate monohydrate and calcium oxalate dihydrate stone formation. 目的探讨一水草酸钙(COM)与二水草酸钙(COD)结石形成的机制。
Study on a New Technique of One-step Defluorination in the Production of Calcium Hydrogenphosphate Dihydrate 磷酸氢钙生产中一步脱氟工艺的研究
The result indicated that different phase appeared in the healthy urine such as calcium oxalate monohydrate ( COM) and calcium oxalate dihydrate ( COD) crystals. 结果发现:在正常人尿液中生成了一水合草酸钙(COM)和二水合草酸钙晶体(COD);
Anhydrous calcium hydrogen phosphate was prepared by calcination of calcium hydrogen phosphate dihydrate. 研究以二水磷酸氢钙为原料,采用煅烧法生产无水磷酸氢钙。