The relationships between the theoretical density and porosity of the composites and the repetition cycle are discovered.
从理论上揭示了复合材料的浸渍-裂解周期与材料的理论密度和理论孔隙率之间的关系。
The technology of repressing and re-sintering in powder metallurgy had been used to fabricate a c Cu-C composite materials attaining above 95% of the theoretical density.
采用粉末冶金复压复烧技术制备出高密度的铜碳复合材料，对两种成分铜碳复合材料的显微组织、物理力学性能和耐磨性能进行了对比试验。
A case study on SLS of this Cu-based metal powder to fabricate a gear is carried out. 82% relative theoretical density and transverse dimension error of 1.9% are achieved.
最后给出了激光烧结上述金属粉末制造齿轮的加工实例，其致密度达理论密度的82%，而横向尺寸误差仅为1.9%。
With a careful theoretical analysis various physical parameters such as the gas density, temperature, and pressure, and the ultraviolet and ionizing radiation fluxes can be derived .
通过仔细的理论分析，可以推导出如气体密度、温度和压力等各种物理参量，以及紫外辐射和电离辐射的流量。
Finally, the theoretical hardness of high-density C3N4 polymorphs is predicted.
最后，预测了高密度C3N4异构体的理论硬度。
The probability density distribution of peak sidelobe levels is studied by theoretical analysis and numerical simulation, and several approaches of suppression of sidelobe level degradation are given.
通过理论分析和数值模拟，计算了峰值旁瓣电平的概率密度分布，并给出了抑制旁瓣电平恶化的一些措施。
A theoretical model used in calculating the reverse current density is proposed by considering several current transport mechanisms.
通过对反向电流各种输运机制的分析，提出了一种计算反向电流密度的理论模型。
Methods:Dynamic CT scan was performed in 9 volunteers, measuring the CT value of the same plane of aortic arch and the theoretical threshold was obtained by the time density curve(TDC).
方法：9例志愿者行主动脉弓同层动态增强扫描，利用获得的主动脉弓时间-密度曲线（TDC），寻求触发技术的理论阈值。
Under some level of error, the theoretical sampling number should decrease as the average density of the mite increases.
在相同误差水平，理论抽样数随平均虫口密度的增加而减少。
It provided theoretical and practical bases for the development of new low cost low density heat resisting and wear resisting metal based composite by simple and convenient fabrication.
为开发耐热、耐磨、成本较低、制备较为简便的新型低密度金属基复合材料提供了理论和实验基础。
It is proved that the method is correct by comparing with the theoretical results of a simply-supported beam with random mass density and section diameter.
用一个具有随机质量密度和截面直径的简支梁的理论结果，验证文中方法的正确性。
In case of low crack density (less than 6%), the relationship between crack densities and velocities of the fast and slow shear waves agrees well with theoretical prediction.
在低裂缝密度(小于6 %)时，裂缝密度和横波快慢波速度的关系与理论预测相符。
Theoretical calculation for AMX spin system with density operators is given and coincides with the results of experiments.
在一般谱仪上容易实现，用密度算符理论对AMX体系进行理论计算，实验结果与理论预期相符。
Based on density functional theory (DFT) and B3LYP method, we made a theoretical study of the reaction system involving organic transitional metal compound. We studied the mechanism of each reaction.
本文采用密度泛函理论B3LYP方法对有机过渡金属化合物参与的化学反应体系进行了理论研究。
Based on this, the pourable parameters of paste and more rational calculation of the theoretical maximum density of grouted composite materials were proposed.
在此基础上，提出浆体灌浆的可灌性参数和更为合理的复合料理论最大密度计算方法。
Density Functional Theory is a very useful theoretical method to study this kind of materials.
而密度泛函理论就是一种很有效的研究纳米器件的理论方法。
This calculation method can provide theoretical and engineering practice reference for vertical target density estimation of automatic gun with a few miss projectiles.
该计算方法可以为少量脱靶弹存在时自动火炮立靶密集度估计问题提供理论与工程实践的参考。
From the results of different area structure testings, the theoretical relationship between the accumulative failure rate and the product of area and defect density (AD) was verified.
从不同面积结构的测试结果验证了累积失效率f和面积A与缺陷密度d的乘积ad之间的关系。
Results of homogeneous turbulence experiments show that the diffusion coefficient varies with the size and density of sediment particles, just as indicated by the theoretical analysis.
表达式显示出的扩散系数随垂向脉动流速均方根值和颗粒粒径、密度而变化的趋势与实验结果吻合。
With the calculation results of number density, the small signal gain is calculated. Experimental results are compared with the theoretical results.
根据粒子数密度的计算结果，求解了小信号增益系数，并将该理论计算结果与实验结果进行了比较。
The results of the theoretical model calculation and practical application have showed the little error and good effect to inverse 3-D density interface.
理论模型试算与实际应用结果表明，应用边界元法反演三维密度界面误差小、效果好。
The results showed that the higher the population density of the larvae, the less is the theoretical number of sampling clumps;
结果表明，幼虫的种群密度愈高，理论抽样数就愈少；
It is established on the expected value of the theoretical spatial spectrum over the joint posterior density function of the array output signal and noise parameters.
它是建立在阵列输出信号和噪声参数联合后验概率密度基础上的空间谱估计。
The model, which describes the charge carrier's density and the electric field evolution near the interface features a theoretical analysis consistent with the existing and experimental results.
基于以上模型，给出了界面附近的载流子和电场的动态演化过程，理论分析与已有的实验结果非常吻合。
The measured results indicated that the carbon consumption of a prebaked anode decreased slightly with increasing anode current density towards a value of about 110% of the theoretical consumption.
研究结果得出，预焙阳极的炭阳极消耗随阳极电流密度的增加而趋向于理论消耗110%左右。石墨阳极消耗随电流密度增加而略有提高，其范围在135 ~ 150%之间。
The auto-spectral density function is also derived. The experimental and theoretical results show that TSA method is efficient and convictive, and TSA method can be applied in other field…
实验和理论推导结果表明时间序列分析方法用在电流变传动机构的建模中是有效的、可信的，具有推广意义。
According to the experimental and theoretical analysis, equations have been presented to predict the pressure drop of a high density gas-solids mixture flow through a horizontal pipe and bend section.
根据实验结果和理论分析，本文提出了高浓度气固混合物在L阀中流动时的压力损失的计算公式。
The present experimental results and density functional theoretical analyses indicate that the effect of high reaction temperature and quickly ascending temperature speed on the final crystalline p…
实验和密度泛函计算结果分析认为，高的反应温度和快的升温速度均是通过降低氧化锆前驱体网状结构的有序度来影响最终的氧化锆晶型。
The anti-disturbance mechanism of the density lock is analyzed by cold and hot state experiments with theoretical analysis.
进行了冷态和热态实验，结合理论分析研究了密度锁的抗扰动机理。
The water entrainment coefficients calculated from theoretical formula both for stable hydraulic jump and movable hydraulic jump in density flow are less than the experimental values by 10%.
结果表明无论对稳定内部水跃还是移动内部水跃计算所得的水量掺混系数均比试验值约小10%，初步验证了本文所提出的理论计算方法。
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