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- Van der Waals structure 范德瓦尔斯结构
- They are similar to those of Van der Waals gas. 它与Van der Waals气体相应等温线有类似之处;
- The molecules are held together by Van der Waals forces. 分子是由范德华力约束在一起的。
- The van der Waals' forces increase as the increase in molecular size. 范德华力随分子体积而增强。
- Because of the van der Waals repulsion between two substituents existed in chiral 1,2-disubstitited ferrocene, the elevation angle of partial helix in the molecular structure is changed. 由于手性1,2-二取代二茂铁的两个取代基之间的范德华斥力,致使其分子结构中包含的部分螺旋改变了仰角,而这种改变使有关螺旋的旋光度代数和不为零,因而导致旋光性。
- Layered materials can be divided into two classes: the first maintains the layered framework by Van der Waals force; and the second by the coulombs. 摘要层状物质可分为两类:第一类是层结构由范德华力维持;第二类是层结构由库仑力维持。
- The adsorption heat equal to -7.6kJ/mol, which suggested that the adsorption was dominated by Van Der Waals force. 吸附热值-7.;6kJ/moL;水葫芦根系吸附硝基苯的主要作用力是范德华力。
- Tip-sample separation is then increased as a result of the combination of polarization force with van der Waals force. 与范德华力相比,极化力更强,其作用距离也更远,它叠加在范德华力上,扩大了针尖与样品的距离。
- Gecko seta operate on the surface of the substances completely by van der Waals forces. 壁虎脚足与物体表面是完全的范德华力。
- Van der Waals equation of non-ideal gas is obtained by using quantum statistical method. 用量子统计的方法得到非理想气体的范德瓦尔斯方程。
- The hydrogen bonds and van der Waals' forces played a main role in the binding of pentachlorophenol with HA. 根据所得结果可推断五氯苯酚与腐殖酸的主要作用力为氢键和范德华力。
- By mimicking the attachment mechanism of the gecko, direct adhesion can be obtained under the van der Waals forces between the nano hair array and the contacted surfaces. 其工作原理是模仿壁虎趾面的粘附机理,利用柔性微纳米阵列与固体表面之间的范德瓦尔斯力实现直接粘附。
- All of the three halogens exist as diatomic molecules, which are held together by van der Waals' forces (intermolecular forces). 这三个卤素均以双原子分子存在,分子间以范德华引力(分子间引力)连在一起。
- A model based on the two liquid theory along with van der Waals one-fluid mixing rules was proposed for representing the density of liquid mixture. 液体混合物密度的关联和预测陈新志,侯虞钧(浙江大学化工热力学研究室,杭州310027)关键词密度,双液理论,液体混合物1引言液体的密度数据不仅在许多工程设计中不可缺少,而且是流体理论研究的重要参数。
- Swelling effect is due to surface forces, including van der Waals attraction, electrostatic double layer and solvation repulsion. 膨胀效应是由于表面力 (VanderWaals吸引、双电层排斥及溶剂化排斥 )引起的 .
- The forces of attraction that occur in fibers are: van der waals forces, dipole-dipoleinteractions, hydrogen bonds, and/or ionic bonds. 纤维中分子间吸引力主要包括: 范德华力,偶极-偶极力,氢键,离子键 。分子也可以被 共价键 连接成网状。
- One is the van der Waals interaction between rare gas and small molecules, the other is the studies on the bond interaction of rare gas atoms. 本文主要概述了稀有气体化学研究的两个方面:一是对稀有气体和一些分子之间范德华作用的研究,二是对稀有气体原子成键作用的研究。
- S. Brunauer, L.S. Deming, W. S. Deming, E.J. Teller, On a theory of van der waals adsorption of gases, Amer. Chem. Soc., 62:1723-1732, 1940. 江右君,活性碳物化特性对挥发性有机物吸附之影响,国立台湾大学环境工程学研究所博士论文,1998。
- The flocculation of MBFC can be accounted as Van Der Waals force, adsorption affinity of hydrogen bond, or chemical adsorption. 而MBFC的絮凝机理可以认为是MBFC和颗粒间范德华力以及氢键为主的吸附力或可能和颗粒发生化学吸附。
- Bondi Radii theory and PR State Equation were introduced to calculate the van der Waals parameters and the critical parameters. 结果显示,该法可很好地用于研究缺少范德华参数和临界参数的物质在超临界流体中的溶解性及其他性能。