density的例句（density在句子中的用法）

• There are as well as density - dependent biological factors such as disease, predation, and intraspecific conpetition. 还有密度制约的生物因素,诸如病害 、 捕食和种内竞争等.
• The incompressibility of the fluid is determined by introduction of a so - called particle density number. 流体的不可压缩性是通过引人粒子数密度概念实现的.
• Developed is a HSD 89 perforator integrating high shot density and deep penetration together. 研制了集高穿深和高孔密于一体的HSD89型射孔器.
• Yarn hairiness seriously influences and quality of high - speed weaving and high - density fabrics. 纱线毛羽严重影响无梭织造和高密织物的产质量.
• The electrical conductivity of the composites is less sensitive to the graphitization degree apparent density. 由于石墨化度的升高对其导电性能的提高较少,故导电性能对石墨化度的敏感程度较低.
• Cross - sectional TEM reveals that the threading dislocation ( TD ) density in the ELO - GaN region is significantly reduced. 透射电子显微镜 ( TEM ) 的研究结果表明,横向外延区域GaN的位错密度明显减小.
• The granularity of salt may affect on the quality, fluxion and bulk density of product. 粒度作为精制盐的物理指标之一,其大小、均匀性, 直接影响到产品的质量、流动性和结块等.
• Flotation is a process for separating low density solids or liquid particles from a liquid phase. 浮选是从液体中分离出低密度固体物或液态颗粒.
• Using tree branches, saw froth to produce high density fiberboard ( HDF ) project. 利用树木枝丫 、 锯沫生产高密度纤维板 ( HDF ) 项目.
• The entropy density is constant ahead of the shock. 冲击波前方的熵密度是恒定的.
• DOB values could not reflect the density of neutrophil and lymphocyte infiltration. DOB值的高低难以反映胃黏膜内中性粒细胞和慢性炎症细胞的浸润程度.
• 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.
• They found volatilization of dieldrin tended to decrease as bulk density increased. 他们发现狄氏剂的挥发常随紧实度的增加而减低.
• Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock. 密度为每立方厘米 3.5 克的木星卫星木卫一上遍布岩石。
• The region has a very high population density. 该地区的人口密度很高。
• ...a law which restricts the density of housing... 限制房屋密集程度的法规
• Mercury has a much greater density than water. 水银的密度比水大得多.
• the density of a gas 一种气体的密度
• The zero point of the density scale is defined by having no specimen in the densitometer. 定义密度计内设有样品时的密度为密度尺标的零点.
• Centrifugation and cyclonic separation, separates based on density differences. 离心和旋风分离, 分离的基础上密度差异.