density 考研

Easy to operate, store jerrican accretion,reduce the labor density.

操作方便，贮油桶油量增大，减少操作者劳动密度。

Generally, the FD treatment has decreased the densities of natural enemies and saprophagous insects .

覆膜旱作田天敌及腐食者密度低于灌溉田。

Measuring the bone density of mandibular angle and coxofemoral region with dual energy X-ray absorptiometer(DXA).

采用双能X线吸收测量仪(DXA，骨密度仪)，测量右侧髋部与左侧下颌角的骨矿密度。

Or the universe might even recollapse if dark energy density falls to a negative value.

当然宇宙也有可能因为暗能量密度降为负值，而再度塌陷。

To lessen the density of;rarefy.

这些协词的共同含义是“减少，变少”。

Dipus sagitta showed a high density and was dominant in desert-type habitats, especially in sand dune.

聚类分析结果显示, 研究区啮齿动群落可以分成荒漠型群落和绿洲型群落两大类。

The constraint condition for the strain energy density function of incompressible hyperelasticity is proposed.

通过对各种有限元方法的分析，当修改了已有的应变能密度函数的形式使之更合数值计算。

This increased optical density caused by a disassociation or melting of the DNA is called hyperchromicity.

这种由于DNA离解或融解引起的光密度增加，称之为增色效应。

In vitrain bands the density and fractal dimension of fractures related to the thickness and lithotyp...

煤岩结构的研究在预测煤层的渗透性方面有重要意义。

It is incorrect that only stoma density and stomatic chamber size are used as xerophilous indexes.

单纯地把气孔密度、气室大小作为抗旱指标是不正确的。

At harvest,root length density and treflan concentration at different soil layer were evaluated using soil auger method.

冬小麦收获后,采用土钻法在滴头附近沿垂直方向分层取样,测定各土层的根长密度和氟乐灵含量,并统计各小区的产量。

Aerogel is a kind of low density porotic material which has many special physical and chemical properties.

气凝胶是一类具有许多独特理、化学性质的轻质多孔材料，在众多的领域中具有应用或潜在的应用价值。

Abstract： Using Improved serape-making method,the studies were made on the stomatal density of flag leaves of rice.

摘 要： 用改良刮制法研究了水稻剑叶的气孔密度。

The design of the gun is commonly defined by perveance, beam current, waist radius, waist position and cathode current density.

它的设计主要有导流系数、流、腰半径、腰位置以及阴极电流密度。

The reasons forming abnormal formation pressure mainly includes digenesis, thermogenesis, biochemical action, tectonic action, dialysis, and fluid density difference action.

形成异常地层压力的原因主要有成岩作用、热力作用、生化作用、构造作用、渗析及流体密度差异作用等。

Objective To investigate the effects of micronized fenofibrate on low density lipoprotein (LDL) subfraction profiles in type IV hyperlipidemic subjects.

目的观察微粒化非诺贝特对IV型高脂血症患者血清低密度脂蛋白（LDL）亚组份再分布的作用。

The density of each isochore was based on the pressure-density relationship at 410 K,which was obtained from the Burnett analysis.

首先对超临界410K等温线的数据进行了膨胀法分析,建立了压力和密度关系。以此为基础,获得了各条定容线的密度。

Objective To study the relationship between degree of Left ventricular hypertrophy,heart function,and beta 2 adrenoreceptor density in patients with EH.

研究高血压病患者外周血淋巴细胞β2受体密度与左室肥厚程度及心功能的关系。

The white afrodite erosion creates the reducing of glass hardness and density,AZS corrosion creates hardness to descend,but the density to raise.

门）白泡石侵蚀后造成玻璃硬度和密度的下降，钻刚玉侵蚀后造成硬度下降，但是密度却有所上升。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊缝金相显微结构的分析,结合计算机图形处理软件计算出焊缝的烧结密度。