Many experimental results have shown that the positron annihilation technique is an advanced technique for the test and characterization of the polymer microstructure, such as the free-volume of polymers.
实验结果证明,正电子湮没技术是一种先进的材料微观结构—自由体积的探测和表征技术。
It is observed that the average size of free-volume holes generally remains constant,and the hole concentration and the width of hole radius distribution decrease with the increase in radiation dose.
测量了高强度聚苯乙烯（ＨＩＰＳ）的正电子寿命谱随γ辐照剂量的变化，观察到自由体积孔洞的平均半径随辐照剂量的增加而基本不变，且自由体积孔洞的浓度和半径分布宽度随辐照剂量的增加而减小。
This paper explained the diffusion of migratory substances from crystalline polyolefins from microcosmic view according to Vrentas-Duda free-volume theory,discussed the effect of temperature,density of polyolefins,molecular structure of migratory substances and swelling on diffusion coeff.
根据Vrentas-Duda自由体积理论,从"微观"角度解释了渗透质在结晶聚烯烃中的扩散。
Based on the optical characteristic and physical structure of lenticular as well as the alignment characteristic of LCD sub-pixels,a multiview synthesizing method for lenticular autostereoscopic LCD display was proposed.
根据棱柱镜的光学和物理结构以及LCD子像素的排列特征,提出了一种用于棱柱镜自由立体LCD显示的多视点合成新方法。
To be the next generation of multimedia technology, it is urgent to study and apply the autostereoscopic image technology.
自由立体图像显示技术是下一代多媒体技术的发展趋势,深入进行有关的研究和应用工作已经显得日益迫切。
CALCULATE THE MOLAR HEAT OF VAPORIZATION OF THE PURE SUBSTANCE,APPLYING THE THEORY OF FREE VOLUME;
应用自由体积理论计算纯物质的摩尔汽化热
Free-volume Distribution Temperature Dependence in Epoxy/Rectorite Nanocomposites by Positron Annihilation
Epoxy/Rectorite自由体积分布温度特性的正电子谱学研究
The mechanism of the deformation and fracture of the alloy was analyzed by using the free volume model.
采用自由体积模型对非晶合金的形变和断裂的微观机制进行了分析。
zealous for liberty and freedom
为争取自由而积极的
There is no free water standing on the surface.
没有自由水积聚在表面。
An Yb-doped large-mode-area photonic crystal fiber mode-locking laser with free output coupler
自由耦合输出的大模场面积光子晶体光纤锁模激光器
Defending Personal Freedom in the Achievement of Political Freedom--An Analysis of Benjamin Constant s Concept of Freedom;
在政治自由中积极捍卫个人自由——贡斯当的自由观辨析
Liberty & Morality, Capacity and Market;
自由与道德、能力、市场——消极自由主义者与积极自由主义者的论战
Active Liberty:the Veiwpiont of the Liberty On Economic Law --the Transcend of the Viewpoint of Passive Liberty On Civil Law;
积极自由:经济法上的自由观——对民商法消极自由观的超越
Mass Freedom·Individual Freedom·Personal Freedom--On Tragedy and Sublimity;
群体自由·个体自由·个性自由——论悲剧与崇高
A record or tracing produced by a plethysmograph.
体积描记图由体积描记器作出的记录或轨迹
autogenous growth of concrete
混凝土自生体积增长
The free expansion of the gas after the abrupt removal of a barrier results in the gas occupying a larger volume at the same temperature.
突然抽去隔板后，气体的自由膨胀使气体在同一温度下占有更大的容积。
a passionate defender of civil liberties
公民自由权利的积极捍卫者.
accumulations of non-convertible currencies
积存的不可自由兑换货币
An Analysis of a Positive Effect for China and Russia to Establish a Free Trade Zone;
中俄建立自由贸易区的积极效应分析
The actual volume of RV casts was determined by water displacement method.
右室铸型的实际容积由铸型排除水的体积计算 ;
From north to south, while the accommodation of each medium-term base-level cycle becomes gradually large, the principal sedimentary facies have gradually changed from gravel channels to sandy channels.
自北向南,各中期旋回的可容纳空间增大,沉积主体由砾质河道渐变为砂质河道。