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。

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，骨仪)，测量右侧髋部与左侧下颌角的骨矿。

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降为负值，而再塌陷。

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比较，适当修改了已有的应变能的形式使之更适合值计算。

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、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、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。

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、流、腰半径、腰位置以及阴极电流。

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、生作用、构造作用、渗析及流体差异作用等。

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

目的观察微粒非诺贝特对IV型高脂血症患者血清低脂蛋白（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等温线的据进行了膨胀法分析,建立了压力和关系。以此为基础,获得了各条定容线的。

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受体与左室肥厚程及心功能的关系。

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和的下降，钻刚玉侵蚀后造成硬下降，但是却有所上升。

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。