查询词典 volume density

The density of a material is the mass per unit volume.

一种材料的密度，或称比重，指该材料质量与体积之比。

Density:(1)In physic s, it is an identification of material by noting its mass per unit volume.

1在物理学上，是以每单位体积的质量来鉴别物质。

Density The mass Of liquid per unit Of volume Of substance at 15℃.

密度 在15℃的条件下，单位体积的某种物质所具有的液体质量。

Density The mass of liquid per unit of volume of substance at l5

密度 在15℃的温度条件下，单位体积的某种物质所具有的液体质量。

The blushless DC motor has been developed intensly in the latest years. This kind of motors have the merits of both the DC motor and the AC motor, including the high power density and small volume. But it needs a complex and expensive control system, which becomes the biggest obstucle for the blushless motor to be further used.

电气传动域中的无刷直流电机近年来得到了飞速的发展，该电机将交流电机和直流电机的优点相结合，并且具有较高的功率密度和较小的体积，但是其控制系统复杂，代价大，这些都困扰着它在民用领域的进一步应用。

It influences the spike length, the diameter of stalk and ear-corn; influences seed weight, the weight of seeds per ear, ear-corn, bracteal leaf, ear axis; the number of seeds per ear and per line, line number, the volume and weight of 100 seeds, and the seed density. Enhanced UV-B radiation also effects accumulation of dry matter with different influence in different growing period and different organ.

对玉米生长动态的影响包括干物质生产速率减小，且生育期不同玉米干物质积累所受到的影响也不同，同一个生育期不同UV-B处理下玉米不同器官所受到的影响程度不同。

The effects of carbonous density solid volume loading and silicon carbide particle size distribution on the microstructures and mechanical properties of the welding seams were investigated .

探讨了糊料的碳密度，固相体积含量以及碳化硅颗粒级配对焊缝显微结构和机械性能的影响。

The effects of carbonous density、solid volume loading and silicon carbide particle size distribution on the microstructure s and mechanical properties of the welding seams were investigated.

探讨了糊料的碳密度、固相体积含量以及碳化硅颗粒级配对焊缝显微结构和机械性能的影响。

It is directly perceived through the test resultsthat a difference exists between castable amount per unit volume and bulk density.

指出了耐火浇注料单位体积用量与体积密度定义上的区别，并且介绍了一种测试耐火浇注料单位体积用量的试验方法。

In addition, the paper analyzed and simulated growth process of stand basal area, volume and biomass under different initial planting density for Cunninghamia lanceolate, plantation.

另外，对杉木不同初植密度下林分断面积、蓄积和生物量的生长过程进行了分析和模型拟合。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。