Scaning electronics microscopy (SEM) was applied hereby to surface phase and elements analysis of the powder by precursor method and grain sample by microwave method.
用扫描电子显微镜(SEM)对粉料及微波合成的块体样品表面进行物相分析和元素的半定量分析。
It was pointed out that the organic precursor method is a good choice at present and addition of ceramic fibers into ceramic powders may improve the process of the foaming method.
通过分析认为目前泡沫陶瓷最理想的制备方法是有机前驱体浸渍法；在陶瓷粉料中适当加入陶瓷纤维，会改善发泡反应法制品性能；
Research advances of application of its commonly used methods, such as direct reaction method, precursor method, surfactant method, and ligand method in recent years, were introduced.
介绍了近年来低热固相化学反应中常用的直接反应法、前驱体法、添加表面活性剂法、配体法应用的研究进展。
In this paper, the Ni, Ni-Co, Fe and Ni-Fe magnetic fibers were prepared by thermal decomposition reducing method of gel precursor fibers.
本文采用凝胶前驱体纤维热分解还原法制备了镍、镍-钴、铁、镍-铁四种磁性金属纤维。
Those results indicate that the R/S analysis method can extract useful seismomagnetic precursor, and has potential and prospect in the nonlinear processing of seismic precursory observational data.
这些结果表明该方法能够挖掘出丰富的地磁前兆信息，在地震前兆观测资料的非线性处理中具有良好的应用前景。
Applying orthogonal experiment method, the influence of processes of ball silver powder precursor and ball milling on the properties of final flake silver powder were analyzed.
采用正交试验法，分析了前驱体球状银粉的制备及球磨工艺对最终片状银粉性能的影响。
The anomalous characteristic of the swarm activity is analyzed using the precursor swarm distinguishing equation constructed by the principal component analysis method.
应用主成分分析方法构建了前兆震群判别方程，对震群活动的异常特征进行了分析。
Oxidation method and neutralization titration are two common ways of hydrothermal prepared ferrite precursor.
氧化法和中和法是水热制备铁氧体前驱物的两种常见方法。
The research on geothermal precursor is a characteristic shortterm prediction method that has a good effect in the earthquake prediction practice.
地震地热前兆的观测与研究是一项具有特色的短临预报新方法，并在地震预报的实践中取得了一定的实效。
WO3 precursor solution was prepared by Sol-gel method. The films were printed by dip-coating method.
采用溶胶-凝胶方法制备WO3前驱液，利用浸渍-提拉法使其成膜。
It is suggested that the dynamic pattern method could completely and directly show the anomaly characteristic in Radon precursor and be a new method of Radon analysis for the earthquake prediction.
表明动态图像方法能较完整、直观地揭示水氡前兆异常的特征，可望成为一种水氡分析预报的新方法。
The method of earthquake precursor and earthquake prediction were made a brief introduction using the data of outgoing long-wave radiation, received by the satellite.
简述应用卫星长波辐射资料研究地震前兆与地震预报的方法原理。
The PAN-based carbon fiber precursor was prepared with gel spinning method.
利用凝胶纺丝方法制备了聚丙烯腈基碳纤维原丝。
Ultrafine alumina powders were prepared by pyrolysis of the aluminium precursor powders obtained by precipitation method using aluminium nitrate and ammonium carbonate as raw materials.
以硝酸铝为原料，碳酸铵为沉淀剂，合成前驱体碳酸铝铵，然后煅烧得到纳米级氧化铝粉体。
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。
This article took the sol-gel method to prepare the precursor of supported molybdenum nitride, used the fluid nitriding new technology.
采用溶胶-凝胶法制备了负载型氮化钼的前驱体，采用流化氮化新工艺制备了氮化钼。
The synthetic judgement method with multi-parameters is the basic method to distinguish the deep electrical variations as an earthquake precursor.
而识别深部电性变化的多参数综合判别方法应是基本的分析方法。
Supported phosphorized molybdenum catalyst precursor was prepared by the sol-gel method, and reduced under atmospheric pressure by hydrogen nitrogen mixture for the first time.
提出了磷化钼常压制备工艺，包括溶胶-凝胶法制备负载型磷化钼催化剂前体及在常压下以氢氮混合气为还原剂的催化剂前体还原。
The invention discloses a precursor polymer for manufacturing fine ceramic components and a synthesis method thereof;
本发明公开了一种用于制作精细陶瓷构件的先驱体聚合物及其合成方法。
First of all, we prepared precursor solution by sol-gel method;
首先，用溶胶-凝胶法配制前驱体溶液；
By controlling pressure, type of diamondoid precursor and bias voltage, the new method prevents the diamondoid precursor from fully breaking upon impact with the substrate.
通过控制压力、类金刚石母体的种类和偏置电压，这种新的方法防止了类金刚石母体在撞击基材时完全解体。
The preparation method for the catalyst comprises the following processes in turn: precursor preparation, crystallization, secondary crystallization, molding and calcination.
该催化剂的制备方法依次包 括以下工艺：前躯体配制、晶化、二次晶化、成型和煅烧。
Anatase TiO 2 particles were prepared on viscose-based activated carbon fiber (ACF) felts surface via sol-gel method with tetra-n-butyl titanate as precursor and characterized by XRD and SEM.
采用钛酸四正丁酯为原料，用溶胶-凝胶法在粘胶基活性炭纤维(A CF)毡表面制备了锐钛矿型的二氧化钛粒子，并用XRD, SEM进行了表征。
We used the method of ground resistivity measurement to show the variation with time of the earth's electrical resistivity near the surface as the precursor of an earthquake.
观测地壳浅层电阻率随时间变化以寻找地震信息是地电阻率方法的目的。
In this paper, the problems about direct identification of precursor with the tilt vector are discussed, and the method is also put forward.
本文对地倾斜矢量用于地震异常识别的问题进行了讨论。
Using the polymeric precursor impregnation and pyrolysis method, 2.5-dimensional braided silica fiber-reinforced nitride-based composites(2.5D-SRNCs)were prepared.
采用先驱体转化法制备了2.5维石英纤维织物增强氮化物陶瓷基复合材料。
Using the polymeric precursor impregnation and pyrolysis method, 2.5-dimensional braided silica fiber-reinforced nitride-based composites(2.5D-SRNCs)were prepared.
采用先驱体转化法制备了2.5维石英纤维织物增强氮化物陶瓷基复合材料。
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