2) Mass density
质量密度
1.
Dynamic mass density and acoustic metamaterials;
动态质量密度和声学超常介质
2.
Considering non-spherical particles,starting from particles size distribution,the concept of the average mass was put forward,and the theoretical formula for calculating mass density of non-spherical particles was derived.
基于米氏(Mie)散射理论得到了粒子计数器测量球形颗粒物质量密度的计算公式。
3.
%) and Al-28%Mg-14%Zn alloys used for thermal energy storage applications,such as the specific heat capacity including solid and liquid state;the mass density in the temperature range 30~500℃;the melting temperature and the latent heat of fusion.
利用差示扫描量热仪(DSC)和H-90型膨胀仪,对潜热储能材料A l-34%Mg-6%Zn和A l-28%Mg-14%Zn合金的热物性参数进行了测定,如固、液态时的比热容,30~500℃间的质量密度,熔化温度和熔化潜热等。
3) airtight quality
密封质量
1.
The design method and function characteristics for the single hydraulic prop airtight quality detecting device are introduced.
介绍了基于RS-485总线的单体液压支柱密封质量检测仪的设计方法和功能特点,它克服了原有检测仪的不足,提高了单体支柱密封质量检测的工作效率和自动化水平。
2.
The single hydraulic prop airtight quality detecting devices have been had a great deal of applications in coal mines all over the country,however,an unified use standard has not been made.
单体液压支柱密封质量检测仪已在全国煤矿得到了广泛的应用 ,但并没有统一的使用标准 ,针对在实验室、煤矿现场的试验以及近年来各矿所检测的一些数据进行了综合分析 ,提出了合理的建议 ,确保检修支柱的密封质量 ,提高煤矿的安全生产。
4) Sealing Quality
密封质量
1.
The sealing quality of single prop affects directly the safety in production, therefore the sealing quality monitoring of single hydraulic prop, especially after being repaired heavily, appears important extremely.
单体液压支柱是煤矿地下开采的一种重要的支护设备,单体支柱密封质量的好坏,直接影响到安全生产,因此对单体液压支柱(特别是大修之后)的密封质量检测就显得非常重要。
5) sealing medium
密封介质
1.
In measurement of gas pressure, firedamp drainage and water injection of coal seam, it is very important to reduce leakage and to increase sealing of borehole on the basis of fluid mechanics, mechanics of sealing materials and osmotic fluid mechanics, this paper discusses the permeable mechanism of sealing medium in sealing section of borehole.
探讨了钻孔密封段密封介质的渗漏机理。
6) compact bone
密质骨
1.
SHPB equipment and experimental techniques were used to analyze and characterize the electromechanical effect in compact bone with different length and diameter under impacting,at the same time,the potential which was induced by strain were recorded.
根据从生理盐水中取出时间的长短模拟干骨和湿骨,采用分离式Hopkinson压杆装置研究不同长度和直径的密质骨试件在冲击载荷作用下的压电电压及相应的滞后时间,从而研究干骨和湿骨分别对压电电压滞后时间以及电压幅值的影响,并分析讨论了产生不同压电电压滞后现象的机理。
2.
As a practical example, the numerical simulation of mechanical characteristics for compact bone by homogenization method is introduced.
作为应用实例,本文介绍了均匀化理论在密质骨力学性能的数值模拟中的应用。
补充资料:密质骨
密质骨
主要分布于长骨骨干,扁骨和不规则骨的表层。密质骨看上去似很紧密,但其中含有许多相互连通的小管道,内有血管及神经,血管可供应骨组织营养和排出代谢产物。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条