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- AimIn order to avoid agglomeration and get dispersible nanometer magnesia particles in the process of preparation with liquid phase method. 目的为了防止液相法制备纳米氧化镁过程中团聚体的产生,提出制取单分散的纳米氧化镁粒子的方法。
- Liquid phase precipitation method,sol-gel method,alkoxide hydrolysis method,gaseous phase method,solid phase method were discussed and analyzed in detail. 液相沉淀法由于原料廉价易得、工艺简单、产品性能稳定、环境污染少等特点使其成为最具有工业应用价值的纳米氧化镁制备技术。
- It is Shown that the liquid phase methods, in which particularly methods of the sol-gel, deposition, micro-lacteous, hydrothermal/solvothermal reaction and hydrolyze, should be mentioned, as the most wildly used method in the present. 指出液相法,尤其是溶胶-凝胶法、沉淀法、水解法、微乳液法、水热溶剂热法等是目前制备纳米金属氧化物材料最广泛应用的方法。
- The paper involves the progress of preparation technology of nanometer titania, and focus on the preparation of nanometer titania via liquid phase methods. 论述了国内纳米二氧化钛微粒制备工艺的进展,重点论述了液相法制备纳米二氧化钛的相关技术进展。
- Keywords Pd/C catalyst;furfural liquid phase method;THF; 催化剂;糠醛液相法;四氢呋喃;
- gas--liquid phase method 气相-液相法
- The preparation of nanometer titania from titanyl sulfate by liquid phase method 硫酸氧钛液相法制备纳米二氧化钛
- Development and Prospect of Functionally Graded Material Manufactured by Liquid Phase Method 液相法制备功能梯度材料的研究现状及前景展望
- Liquid phase methods for synthesis of nanosized powders 纳米粉体的液相制备方法
- At the injection well both a gas and a liquid phase are present at equilibrium. 在注入井中,气相和液相都处于平衡状态。
- Synthesis of nanoscaled titania powders by liquid phase methods 纳米二氧化钛的液相合成
- Keywords copper;zinc;aluminium;bifunctional catalyst;complete liquid phase method;carbon monoxide;hydrogenation;dimethyl ether; 铜;锌;铝;双功能催化剂;完全液相法;一氧化碳;加氢;二甲醚;
- Magnesium titanate was obtained with special liquid phase precipitation method. 采用特殊液相沉淀法制备了镁的钛酸盐。
- If liquefied gas is to be withdrawn, the bottom of the cylinder must be elevated above the valve to allow the liquid phase to be in contact with the valve inlet. Special inversion racks are usually used to provide a safe method for cylinder inversion. 如果要提取液化气体,必须把钢瓶底部提高到阀门以上,使液相同阀门入口相接触。通常使用专门的倒置架来安全地倒置钢瓶。
- Keywords nanometer titania;liquid phase methods;preparation;application; 纳米二氧化钛;液相法;制备;应用;
- Using the trial-solution method under specific boundary conditions, the diffusion equations were derived of chlorine, singlet oxygen, and total oxygen in gas and liquid phases. 在实际工作中的射流发生器非常复杂,其扩散方程和边界条件为非线性,非齐次边界条件,非齐次泛定方程组,求解难度较大。
- According to field experiments, slug flow parameters depend on pipe diameter, velocity and viscosity of gas or liquid phase and so on. 现场实践表明,段塞长度不仅与管径有关,而且还与气液相速度和气液相粘度等有关。
- There are two metheds to product furfuryl alcohol:liquid phase and gas phase hydrogenation of furfural. 糠醇是一种重要化工原料,其生产方法有两种:糠醛液相加氢和气相加氢。
- Preparation of powders for ZnO varistors by liquid phase process. 液相法制备ZnO压敏电阻器粉料。
- When the reaction is carried out in gas phase or liquid phase, obvious catalyst deactivation is observed. 在较小的苯/乙烯比的条件下,不论气相法还是液相法反应,催化剂的失活速率都比较快。