材料密度

微焦点CT在含能材料密度测试中的应用研究

Research on Energy Material Density by X-Ray Micro Computed Tomography

对基于人工材料密度的拓扑优化理论作了深入分析；

The topology theory based on artificial material density is deeply analyzed .

用于泡沫材料密度测量的X射线源是特制的激发源。

The X-ray source used in this experiment is particularly prepared .

载气对CVIC/C材料密度和热解炭结构分布的影响

Effects of carrier gas on density and microstructure distribution of CVI-derived C / C composites

利用弯曲试验、X射线衍射分析和扫描电镜等手段，研究了烧结K2O-MgO-SiO2-Al2O3-B2O3-F玻璃陶瓷时烧结温度对材料密度、抗弯强度及析晶性能的影响。

The effects of sintering temperature on the density , bending strength and crystallization properties of K_2O-MgO-SiO_2-Al_2O_3-B_2O_3-F glass-ceramics were studied by means of bending test , X-ray diffraction and scanning electron microscope .

从理论上分析了阴极材料密度分布对CsI/MCP反射式X射线光阴极量子效率的影响，制备了不同密度分布的CsI/MCP反射式X射线光阴极，通过实验测试，优化出了最佳密度分布结构。

The effect of density distribution of photocathode material on quantum efficiency was analyzed theoretically . Reflective X-ray photocathodes with different density distribution were prepared , and the optimum density distribution was obtained through experiment test .

研究了二个半平面的反平面运动，二个半平面都是剪切弹性模量与材料密度为梯度的非均匀介质，它们之间的界面是具有Coulomb摩擦的单侧界面。

The anti-plane motion of two half-planes , both are composed of gradient non-homogeneous media and the interface between them is unilateral interface with Coulomb friction , is investigated .

将多孔TCP陶瓷植入Wistar大鼠股骨髁骨腔内，术后连续观察40周，X线拍片显示植入材料密度降低、缺损、碎裂，部分材料消失；

Forty weeks after implantation of the porous tricalcium phosphate ceramics into femoral condyle cavities of Wistar rats , X-ray photography observation showed decrease in density , defect , rupture and partial disappearance of implanted materials .

NaI（Tl）多道伽玛能谱铯窗数据蒙特卡罗模拟新材料密度用β测量刻度误差的蒙特卡罗模拟修正

Using Monte Carlo Method to Simulate the Data of ~( 137 ) Cs Window in the NaI ( Tl ) Multi-channel Gamma Spectrum The Correction of Calibration Error in Measurements of Density for New Material by M.C. Method

结果表明，Fe3Al金属间化合物基摩擦材料密度低，强度高，摩擦系数高而稳定，高温耐磨性好。

The results show that the Fe_3Al intermetallic based friction material has low density , high strength , high and smooth friction coefficient , and excellent wear resistance at high temperature .

空心玻璃微珠质量填充量为25%时，复合材料密度降低至0.61g/cm3，轴向压缩强度仍能保持在40MPa以上。

Density of the materials was 0.61 g / cm ~ 3 when mass filling ratio of hollow sphere was 25 % , and its compressive strength remained above 40 MPa .

结果表明，所制备的ZrB2复合材料密度较高，其密度超过理论密度的98%。

The results showed that the densities of the ZrB_2 composites were high and their relative densities all were over 98.5 % of the theory density .

小质量固体材料密度的精密测量

The Precise Measurement of the Density of Small Amount Solid Materials

贵金属材料密度的精确测定

The Accurate Determination of Density for Precious Metals and Their Alloys

以铱为内核的有机配合物磷光材料密度泛函理论研究

Density Functional Theory Study on Organic Complex Phosphorescent Materials with Iridium Core

沉积温度对碳/碳复合材料密度均匀性的影响

Influence of deposition temperature on density uniformity of carbon / carbon Composites

钛合金元素密度法推导计算合金材料密度的研究

The Method of Reckoning up Titanium Alloy Density form its Element Contents

常见保温材料密度与导热系数关系的研究

Research on Relationship between Hackneyed Heat Insulator Density and Coefficient of Heat Conductivity

基于人工材料密度的新型拓扑优化理论和算法研究

New theory and algorithm research about topology optimization based on artificial material density

烧结工艺对铜基复合材料密度及组织的影响

Effects of Sintering Method on Density and Microstructure of Particulate Reinforced Copper Matrix Composites

碳化硼陶瓷材料密度的控制方法与应用

A Method of Controlling the Density in Carbonized Boride Ceramic Material and Its Application

影响铜&石墨材料密度的工艺因素

Influence Factors of Density for Cu C Material

其材料密度以及弹性模型为区间参数。

Density and elastic Modulus of the material of the frame model are interval parameters .

新材料密度用β测量刻度误差的蒙特卡罗模拟修正

The Correction of Calibration Error in Measurements of Density for New Material by M.C. Method

软化剂对天然植物纤维类缓冲材料密度及微孔形貌的影响

The Influence of Softener on the Density and Microporosity of Natural Plant Fibre Cushioning Materials

耐高温椭圆齿轮流量计转子材料密度变化的影响

Effect on the Variation of the Rotor Material Density of the Resistant to High Temperature Positive Displacement Flowmeter

研究表明：当材料密度一定时，随着界面换热系数的提高，沿散热方向上的温度梯度增大，热溶质对流的效果增强；

Results show that the temperature gradient along with the heat-extracted direction enlarges and the convection is strengthened .

探讨了复合材料密度与隔热性能的关系。

Further , the study was extended to understand the relationship between density of composites and their insulation performance .

铝基陶瓷强化复合材料密度低，但面临着使用温度较低的问题；

The aluminum-based ceramic-reinforced composite material has a low density , but it cannot be used in higher temperature .

提出了利用电子天平测量陶瓷材料密度及其气孔率的方法。

The improved experimentation by using electronic balance to measure the density and the pore ratio of ceramic materials was designed .