Nanocatalysts were prepared by combining the method of precipitation with that of phase transfer.
通过沉淀法和相转移法的结合制备纳米催化剂。
Normality of monthly and seasonal precipitation is discussed based on the data of 35 stations. Some method of precipitation normalization are compared.
本文讨论了我国35个测站的月、季降水量以及按区域平均降水量的正态性问题。同时，研究比较了各种降水量正态化的方法和效果。
The advantage and disadvantage of the five recycling methods, direct heating, direct aqueous vapor, indirect aqueous vapor, reduced pressure distillation, precipitation method, is discussed.
探讨了直接加热法、直接水蒸汽法、间接水蒸汽法、减压蒸馏、酒精沉淀等五种回收方法的优缺点。
The influences of these factors and the method for controlling particle size distribution were presented for the reaction precipitation process.
在此基础上，提出了反应沉淀法制备亚微米粒子过程中颗粒粒度及粒度分布的控制方法。
The content of casein can be used as a index of quality for the milk, which can be determined by the method of isoelectric precipitation.
牛奶中酪蛋白含量是衡量牛奶质量的一个重要指标，采用蛋白质等电沉淀法可测定其含量。
Homogeneous precipitation method plays an important role in the research field of preparation of mono-dispersed particles.
均匀沉淀法在制备单分散粒子的研究中占有重要的地位。
New catalysts suitable for hydrogenation of food oils have been prepared by means of precipitation method and by chemical mixing procedure.
研究了用沉淀法和化学混合法制备的用于食用油脂加氢改性的镍催化剂。
This indicates that adaptive multilevel numerical model system is an available method of forecasting local precipitation.
这表明自适应多级模式是局地降水预报客观、定量化的有效方法。
This method is quicker and more accurate than that of immune precipitation.
该方法比免疫沉淀法更为快捷、准确。
On the basis of experiments, precipitation titration based on Volhard's method is established to analyse the reaction of DCCA with tyrosine residue phenol.
在实验的基础上确立以佛尔哈德法为基础的沉淀滴定法，并用以分析DCCA与酪氨酸残基—苯酚的反应情况。
An estimation method of station error in precipitation observation is given and its effect on the water resources appraisal is pointed out.
本文给出降水量观测误差的估算方法，并指出其对水资源评价结果的影响。
This paper introduced a method of forecasting precipitation with frequency spectrum analysis.
本文介绍了用频谱分析法进行降水量分析和预报的基本方法。
By using the mechanism method, the potential productivities of light, temperature, precipitation and soil were calculated by regression analysis in each county of Henan province.
采用机制法通过对光、温、水、土逐级衰减计算了河南省各县市小麦的光、温、水、土自然生产潜力。
The oxidation pigmenting effluent of aluminium product process was treated with the method of neutralization coagulate precipitation.
采用中和—加药混凝—沉淀—压滤除渣的方法处理铝型材加工氧化着色污水。
A novel method for protein purification was presented, which was the integration of organic antisolvent and compressed gas isoelectric precipitation.
将有机溶剂抗溶剂与高压气体等电沉淀技术结合起来，提出了一种新的蛋白质纯化方法。
Three-dimensional atom probe (3dap) and thermal aged method were used to characterize precipitation of Cu-rich clusters in pressure vessel model steel.
用三维原子探针(3dap)和热时效处理方法研究压力容器模拟钢中富铜原子团簇的析出过程。
This paper, with the concrete engineering, expounded the practical application of the method of calculation of well-point precipitation.
本文结合具体工程，阐述了井点降水计算方法的实际应用。
This article introduces the development process, skill and method of 32 bit Editor for hydrology data; analyses data of precipitation automatic instrument, completes conversion of format.
介绍了32位数据文件编辑器的开发过程，技巧与方法，降水量自动记录仪数据的分析与格式转换。
The significance, content and method of short time quantitative precipitation forecasting and its recent advances worldwide have been systematically introduced.
系统地介绍了短期定量降水预报研究的意义、内容及方法，综述了近年来国内外的研究进展。
At present, in the urban infrusture engineering, deep and big pit precipitation can be effectively solved with the method of tube well precipitation.
在城市基础工程建设中，利用管井降水法，可以较有效地解决深大基坑降水问题；
Similar to the method of Z index of precipitation, a trial research is made on monitoring drought by the amount of cloud, and the method of Z index of cloud amount is established.
类似于降水量Z指标法对旱情的监测，进行了云参数监测旱情的研究，建立了云量监测的Z指标法。
Due to the surface effect of nano particle, the precursor of nano oxide prepared by chemical precipitation method can form aggregation easily, and so can not be dried by usual techniques.
由于纳米粒子的表面效应，用化学沉淀法制备出的纳米氧化物的前驱体在干燥过程中易形成团聚，不易采用传统的加热方法干燥。
The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.
研究了以化学还原法与均匀沉淀法相结合的方法制备纳米铜粉。
Liquid precipitation method is one of the most popular methods of synthesis nanometer powders.
液相沉淀法是一种合成纳米粉体最为普遍的方法。
The paper has adopted object function method and created optimization model of foundation ditch precipitation well cluster.
采用目标函数法，建立基坑降水井群优化模型。
The chemical precipitation method is feasible for extending the life of electroless nickel plating solution.
采用化学沉淀法延长化学镀镍液寿命是切实可行的。
Using the method of stepwise neutralization precipitation, the impurities of heavy metal ion in chrome plating effluent with high concentration are removed.
利用分步中和—沉淀方法去除高浓度镀铬废水中重金属离子杂质。
This method of studying Precipitation regime will be usefull in the researches of agroclimatology and physical geography.
这种表示降水年内变化的方法在农业气候研究和自然地理研究中将证明是有用的。
The rough extract of Pinggu mushroom PPO was obtained by ammonium sulfate precipitation method.
采用硫酸铵沉淀法得到平菇多酚氧化酶粗提液。
The rough extract of Pinggu mushroom PPO was obtained by ammonium sulfate precipitation method.
采用硫酸铵沉淀法得到平菇多酚氧化酶粗提液。
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