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. 還有密度制約的生物因素,諸如病害 、 捕食和種內競爭等.
• The incompressibility of the fluid is determined by introduction of a so - called particle density number. 流體的不可壓縮性是通過引人粒子數密度概念實現的.
• 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體的HSD89型射孔器.
• Yarn hairiness seriously influences and quality of high - speed weaving and high - density fabrics. 紗線毛羽嚴重影響無梭織造和高密織物的產質量.
• The electrical conductivity of the composites is less sensitive to the graphitization degree apparent density. 由于石墨化度的升高對其導電性能的提高較少,故導電性能對石墨化度的敏感程度較低.
• Cross - sectional TEM reveals that the threading dislocation ( TD ) density in the ELO - GaN region is significantly reduced. 透射電子顯微鏡 ( TEM ) 的研究結果表明,橫向外延區(qū)域GaN的位錯密度明顯減小.
• The granularity of salt may affect on the quality, fluxion and bulk density of product. 粒度作為精制鹽的物理指標之一,其大小、均勻性, 直接影響到產品的質量、流動性和結塊等.
• Flotation is a process for separating low density solids or liquid particles from a liquid phase. 浮選是從液體中分離出低密度固體物或液態(tài)顆粒.
• Using tree branches, saw froth to produce high density fiberboard ( HDF ) project. 利用樹木枝丫 、 鋸沫生產高密度纖維板 ( HDF ) 項目.
• The entropy density is constant ahead of the shock. 沖擊波前方的熵密度是恒定的.
• DOB values could not reflect the density of neutrophil and lymphocyte infiltration. DOB值的高低難以反映胃黏膜內中性粒細胞和慢性炎癥細胞的浸潤程度.
• This increased optical density caused by a disassociation or melting of the DNA is called hyperchromicity. 這種由于DNA離解或融解引起的光密度增加,稱之為增色效應.
• They found volatilization of dieldrin tended to decrease as bulk density increased. 他們發(fā)現狄氏劑的揮發(fā)常隨緊實度的增加而減低.
• Jupiter's moon Io, whose density is 3.5 grams per cubic centimetre, is all rock. 密度為每立方厘米 3.5 克的木星衛(wèi)星木衛(wèi)一上遍布巖石。
• The region has a very high population density. 該地區(qū)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規(guī)
• Mercury has a much greater density than water. 水銀的密度比水大得多.
• the density of a gas 一種氣體的密度
• The zero point of the density scale is defined by having no specimen in the densitometer. 定義密度計內設有樣品時的密度為密度尺標的零點.
• Centrifugation and cyclonic separation, separates based on density differences. 離心和旋風分離, 分離的基礎上密度差異.