In this paper, a kind of light aggregate micro foam concrete is prepared with cement, aggregate, additives and some other auxiliary cementitious materials from Gansu province.
本论文利用甘肃地区的水泥、骨料及其他辅助胶凝材料和外加剂制备轻集料微孔混凝土，从微观结构分析和宏观性能测定两个方面对其进行研究，探讨了原料性质、组成配比与制成混凝土性能之间的关系，针对该种材料不同于普通混凝土的微孔结构，进行了发泡、稳泡和纤维增韧试验，对材料的物理力学性能和耐久性进行了分析评价，并探讨了该种混凝土体系的水化硬化机理。
Synthesis of n-butyl acrylate with microporous silica-supported polyoxometalate H_3PW_(12)O_(40)/SiO_2 as catalyst;
微孔多金属氧酸H_3PW_(12)O_(40)/SiO_2催化合成丙烯酸正丁酯
Synthesize and characterization of microporous hydroxyapatite crystal by hydrothermal method;
微孔纳米羟基磷灰石的水热合成与结构表征
Properties including water absorption rate,oil absorption rate and the structure of microporous starch detected by X-ray diffraction and SEM(Scanning Electronic Microscope)were also studied.
以红薯淀粉为原料,探讨α-淀粉酶用量、反应温度、反应pH值和反应时间等因素对其微孔化反应的影响,并对微孔淀粉的吸水率、吸油率和X射线衍射以及扫描电子显微镜结构表征进行了研究。
Effect of micropore on hydrogen adsorption of single walled carbon nanotubes;
微孔对单壁纳米碳管储氢性能的影响
Studies on Diffusion Behavior of Simple Fluid in Micropores by Molecular Dynamics Simulation;
微孔中简单流体扩散行为的分子动力学模拟研究
Effect of Scanning Speed of Frequency-Tripled Nd:YAG Laser on Aperture Size of Micropores in Porcine Acellular Dermal Matrix;
三倍频Nd:YAG激光器不同扫描速度对猪脱细胞真皮基质微孔孔径的影响
Microporosity Measurement on the Surface of Gold Plated Contacts;
镀金触点表面的微孔率测试
The microporosity morphology and formation mechanism of cast magnesium alloy was investigated with software for analysis percentage of microporosity and field scanning electron microscopy.
铸造镁合金微孔的组织形态形成机理符合气体形成模型和溶质再分配理论,从而验证氢气析出形成显微气孔机理。
This paper has investigated the morphologies of the structure and formation mechanism of cast magnesium alloy with the software for analysis percentage of microporosity and field scanning electron microscopy.
铸造镁合金微孔形成机理从热力学角度分析符合气体形成模型;从动力学角度分析符合溶质再分配理论,从而验证氢气析出形成显微气孔机理。
The Research about Using the Method of Exposing Air by Microholes by Treating the Coking Water;
微孔曝气在焦化污水处理中的应用研究
Numerical control positioning system for machining spinneret microhole based on image technique;
基于图像技术数控定位加工喷丝头微孔
It reveals that insame condition of alkali treatment, hydroscopic property、 conductivity moisture、moistur permeability and permeability of BPL were better thanPL , the key lay in quantity、size and distribution of microhole.
结果表明 ,在相同碱处理条件下 ,共混涤纶仿麻织物的吸湿性、导湿性、透湿性和透气性均比涤纶仿麻织物好 ,关键在于纤维中微孔的量、尺寸和分布。
Study on Micro Hole Drilling with Varying Feed and Axial Vibration;
变进给量振动钻削微孔的研究
According to the diffusion of gas molecules flow and chemical absorption of surface in micro hole, the gas absorption dynamic model of the porous sinter room temperature getter was proposed and discussed.
从微孔中气体分子流扩散及表面化学吸附出发 ,探讨了多孔烧结体室温吸气剂吸气动力学模型。
According to the feature of deep micro hole drilling,the importance of studying new micro drill is introduced.
根据深微孔加工的特点，阐述了研究钻削深微孔用新型钻尖的重要性；建立了新型钻尖（非共轴螺旋面钻尖）后刀面和前刀面的数学模型；介绍了主切削刃的求解方法以及非共轴螺旋面钻尖后刀面的刃磨原理；得到了给定刃磨参数下钻尖的计算机仿真结果。