3D carbon fiber reinforced silicon carbide matrix composites(C_f/SiC)were fabricated by vapor silicon infiltration(VSI)at 1650℃.
在1650℃气相渗硅(Vapor Silicon Infiltration-VSI)制备了3D碳纤维增强SiC基复合材料(C_f/SiC),其密度约为1。
Study on gas permeability of the unsaturated bentonites;
不饱和膨润土中气体渗透研究
The function of water on α-cellulose membrane was also revealed by comparatively studying the gas permeability of cellulose acetate membrane, benzoylated cellulose membrane and polysulfone membrane in "dry" and "wet" state.
测定了水溶胀下 ,CO2 、H2 、CH4 、N2 、O2 等气体在α 纤维素膜内的气体渗透速率 。
Composite membranes,consisting of zeolite Y and polysulfone polymer,were prepared,and gas permeability through both zeolite Y filled polysulfone and unblended polysulfone membranes were measured.
与此相对应，膜的气体渗透特性也发生突变。
Based on the experimental results of adding RE to gas carburizing in routine temperature(920～930 ℃),the RE carburizing process model in the routine temperature is put forward.
基于常规温度(920~930℃)下气体渗碳进行优化加入稀土元素的试验结果,提出常规温度下稀土渗碳的工艺模型,用通用有限元分析AD INAT程序进行了数值模拟,取得了较满意的结果。
The factors which affect gas carburizing quality of die & mold steel are analyzed, and ten kinds of usual defects are stressed mainly,as well as the improvement steps are provided.
分析了影响模具钢气体渗碳质量的因素,重点对其10种常见缺陷进行了分析,并提出了改善措施。
In the paper,the author presents the principle of computer control on gas carburizing with great attention on the improvement of control accuray of carbon potential.
介绍计算机控制气体渗碳的原理 ,重点阐述怎样提高碳势控制精度。
Formation of Siliconized Coating on TiAl-Based Alloy and Mechanism for Its Resisting High Temperature Oxidation;
TiAl基合金固体渗硅层的形成及抗高温氧化机理研究
condenser ,fixed , gas-impregnated
气体渗透固定冷凝器
gas-impregnated fixed capacitor
气体渗透固定电容器
Research of the Rare-Earth Element Infiltration Catalytic Action on the 45 Steel in the Solid Boronizing
稀土元素对45钢固体渗硼催渗作用的研究
Technology for Solid-State Pack Boronizing of Q235 Steel and Kinetic Study of Boron Diffusion in Steel
Q235钢固体粉末渗硼及渗层生长动力学行为
Solutions for consolidation considering column consolidation and parabolic distribution of soil permeability
考虑桩体固结和土体渗透性抛物线分布固结解
Effect of Silicon Carbide Powder on Preparation of C_f/SiC Composites by Molten Silicon Infiltration
碳化硅粉体对熔融渗硅法制备C_f/SiC复合材料结构的影响
Diatomaceous earth and charcoal are the porous elements, asbestos the strengthening material, and the cement is the binder.
硅藻土和木炭起渗水作用，石棉是加固材料，水泥是粘合剂。
Study on the Permeation Behavior of the Mixed Gas through the PDMS Membrane
多元混合气体在硅橡胶膜中的渗透传质研究
As in the case of silicon, phosphorus remains dissolved in solid iron .
像硅那样，磷在固体铁中处于溶解状态。
Multi-nuclear Solid-State NMR Studies of Layered Silicate Materials;
层状硅酸盐材料的多核固体NMR研究
Study on Numerical Modeling of Seepage Flow of MSW Landfill;
固体废弃物填埋场渗流数学模型研究
Study on the Process of a Novel Boronizing with Solid Boron Agent on Ti6Al4V Substrate;
Ti6Al4V合金固体供硼等离子渗硼的研究
Research on the Technology of Fe-based Powder Compact Sintering-Solid Boronizing
铁基粉末压坯烧结—固体渗硼技术研究
Pack boronizing process and properties of the boride layer on 20CrMo steel
20CrMo钢表面固体渗硼工艺及性能
Advances in the layer of depth of silastic implants in augmentation rhinoplasty
固体硅胶隆鼻术假体植入层次的应用研究进展
Study on the Transfer Ways of Activated Boron Atoms in the Borax Pack Boronizing Agent during Boronizing
固体渗硼时硼砂型渗剂中活性硼原子输运方式研究
The Study of Calix(4) Arene for Aromatic Positional Isomer;
杯[4]芳烃聚硅氧烷固定相分离芳香异构体