range of density

The variations of threshold current density in a wide temperature range are analyzed and the negative characteristic temperature and oscillatory characteristic temperature appearing in that temperature range are discussed.

得出了较宽温度范围内阈值电流密度的变化，包括负温度及振荡温度效应。

In this paper the floating rule of mid-range and long-range submarines' thermal jet wake in well-distributed density area and layered density area is analyzed, and numerical value is simulated, we find Grashof is a very obvious effect on thermal jet wake.

分析了在均匀密度分层环境中潜艇热尾流中程和远程的浮升特性，并进行了数值模拟，发现Grashof数对热射流的影响十分显著。

The product capacity of this unit can reach 4.5 kg/ ( min · pos), the density of spinning hole can reach 30~ 60/ cm 2, the production range is 0.8~ 6.7 dtex, the spinning speed is as high as 1800 m/ min.

用此装置产能可达4.5kg/（min.位），喷丝孔密度能达30～60个/cm2。品种范围可在0.8～6.7dtex，纺速高达1800m/min。

In terms of the physical figure, the mean value of the height and weight of the tested male and female students is higher than the average level of nationwide undergraduates of the same age, with the body density index in the normal range of weight.

从身体形态分析看，德州学院男女大学生身高体重的均值都高于全国同龄大学生的平均水平，身体密度指数也在正常体重范围内。

For the range of fluences studied, the observed effects result from a reduction in minority carrier lifetime in the IGBT and not from changes in the effective dopant density.

对于所研究的注量范围，所观察的效应是由于IGBT少子寿命减少造成的，而不是由于有效掺杂浓度变化所致。

Besides, the measurable range of the sensor increases with the density of magnetic fluid increasing. ( 5) The sensitivity of the sensor increases with the thickness of U tube decreasing.

此外，随着磁性液体浓度的增大，传感器的可测量范围也增大。（5）U形管壁厚越小，灵敏度越大。

The effects of ( average) current density on deposit solderability over a range of 1.0~ 2.5 A/ dm~ 2 are investigated.

研究了平均电流密度在1.0~2.5A/dm2范围内，对镀锡层可焊性的影响。

You can plot data for a range of elements for properties like the density or the atomic mass.

你也可以使用一定范围内元素的密度、原子质量等元素性质来构建图表。

The reason is the range of overlap frequency between hybrid mode G1 and G2 will increase when density of plasma-background increases.

这是因为随着增加，混合模G1和G2重叠的频率范围逐渐加大，稳定工作区变窄。

By controlling the range of the dry density, magnitude of cement and water cement ratio of mixture, the requirement of drainage property and structure strength can be fulfilled.

通过控制混合料的干密度、水泥用量和水灰比的取值范围，可使混合料同时满足排水性能要求和结构强度要求。