Van Der Waals force

范得瓦力

  • By investigating the variation of impact force and van der Waals force along with time in the collision process mechanical analysis on mechanism of agglomeration is brought forward which establishes the basis for advanced quantitative criterion .

    通过考察碰撞 微观形变过程中 弹性力和 范德华 随时间的变化规律,提出颗粒团聚和 破碎机理的定性分析,为进一步得到定量判据数奠定了基础。

  • Having the same dimension the influence of Van der Waals force on double-track magnetic head is smaller than wedge-type slide block 's.

    在相同尺寸的磁头中,双轨式磁头的 德华 小于楔型滑块的 范德华 ,而前者的承载 大于后者,双轨式磁头的 范德华力对其 承载性能影响较小。

  • Tip-sample separation is then increased as a result of the combination of polarization force with van der Waals force .

    德华 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。

  • However it is very difficult to dissolve CNTs in aqueous solution and other organic solvents because of their poor solubility and strong van der Waals force between tubes which limits greatly their applications in liquid .

    由于碳纳米管之间强烈的 范德华 作用力以及很弱的溶解性,使碳纳米管很难溶解到水及其它有机溶剂中,这大大限制了其在液相中的应用。

  • The values of potential energy of the proximate excellent conformations of one-substituted cyclohexane butane 1 cyclohexane were computed by the method of MM_2 . The interactive rules of stereochemistry of the Van der Waals force between molecules were explained and confirmed by the relative results of computation .

    并用MM2法计算了一元取代环已烷、丁烷、 1二甲基-2-取代环已烷等的前优化构象的立体能,同时用计算结果解释和查明了分子 德华 相互 作用的立体化学规律。

  • The formation of the supra-molecular is based on the weak intermolecular interactions which are weaker than the covalent bonds usually . These interactions include coordination bonds of metal ions static gravitation hydrogen bonds the van der Waals force the donor-acceptor interaction and so on .

    超分子的形成主要依靠分子间的弱相互作用,分子间作用力通常比共价键要弱,包括金属离子配位键、静电引力、氢键、 范德华相互作用和给体.受体相互作用等。

  • Effect of van der Waals Force on Torsional Buckling of Double-Wall Carbon Nanotubes

    范德华力对双层碳纳米管扭转屈曲的影响

  • The color-analog Van der Waals force between two hadrons is studied by use of the coupling channel resonating group method in the framework of the Gaussian-type quark confinement potential .

    本文采用高斯增长的夸克禁闭势和耦合道共振群方法研究了强子之间的色 van der waals 问题。

  • Generalized parametric constitutive law for van der Waals force simulation and its applications in computation of nanotubes

    德华 的广义参变本构模型及其在碳纳米管计算中的应用

  • Micro stick-slip and stiction failure are familiar phenomena in microelectromechanical systems due to the dominant role of various surface forces including electrostatic force van der Waals force and capillary force .

    微观黏滑和黏附失效是微机电系统中的常见现象,该现象主要是由于受包括静电力、 德华 及毛细力等各种表面力所起的主导作用而产生的。

  • The development of the research of the Van der Waals force the Coulomb force and the space resistance which have an important influence on the agglomeration of the ultra-fine powders is reviewed .

    综述了对于超细粉体团聚有重要影响的 德华 、库仑力和空间阻力的研究进展。

  • Van der Waals force in the dynamical squeezing vacuum

    动力学压缩真空中的 van der waals

  • For conjugation immunoglobulin is directly adsorbed on the particle surfaces mediated mainly by London – van der Waals force and hydrophobic interaction .

    对于结合,免疫球蛋白直接吸附在颗粒的表面上,主要通过London- 范德华力和疏水相互作用。

  • The results show that molecular interaction at interface of TATB / Fluoropolymer composite is mainly Van der Waals force and this force can not resist interfacial slippage effectively .

    结果表明:TATB/氟聚物复合材料界面的分子间作用主要是 范德华 ,并且这种力不能有效阻止该界面的滑移。

  • The latter we treat Van Der Waals force as the spring and receive the curve of interlayer slips of double-walled tri-walled and four-walled carbon nanotube .

    对于碳纳米管层间滑移的研究,对 van der waals 进行了处理,并得出了双层、三层和四层碳纳米管的层间滑移曲线。

  • Fluorescence spectroscopy experiments showed that the eight rare earth metal complexes can interact with the BSA and the fluorescence quenching of BSA are due to the formation of static quenching and the mode of action of BSA are hydrogen bonds and van der Waals force Lord .

    荧光光谱实验表明,八种稀土金属配合物均能与BSA发生相互作用,且对BSA的荧光猝灭均是由于形成复合物的静态猝灭,与BSA的作用方式均以氢键和 范德华 为主。

  • The groove binding was considered most likely to be the binding mode between them in consistent with the thermodynamic results which indicated that the hydrogen bonding and van der Waals force were the main acting force .

    结合各项实验结果,沟槽结合被认为是二者之间最可能的结合模式,与氢键和 范德华 是主要作用力这一热力学结果也相符。

  • The general force analysis on moving particles in CFB shows that for common fluidization conditions the dominate forces affecting agglomeration are the impact force and the van der Waals force .

    对循环流化床内运动颗粒的全受力分析表明,一般流化条件下,影响颗粒团聚及破碎最主要的作用力为 弹性力和 van der waals

  • The results show that chemical reactions occur at interface of phenolic resins and steel but chlorinated rubber is bonded to steel by means of Van der Waals force .

    结果表明,胶粘剂中酚醛树脂在界面区域与钢之间存在化学结合,而氯化橡胶与钢 之间范德华 粘接。

  • The MD simulations can reproduce the experimental results from structural analysis . And van der Waals force was the major factor of influencing the stability of inclusion complexes .

    分子动力学模拟得到的包合物 平衡构象的结构与X- 射线 NMR实验结果一致, 范德华 作用力是影响包合物稳定性的主要因素。

  • Quark confinement potential and color van der Waals force

    夸克禁闭势与色 van der waals

  • Its self-assembled process is driven by weak reversible and non-covalent interaction forces such as hydrogen bonds aromatic ring π - π piled up and polarity and van der Waals force .

    其自组装过程由弱的可逆的非共价相互作用力如氢键,芳环π-π堆积及极性和 van der waals相互作用来 驱动

  • Quantum theory of van der Waals force and hydrogen bond

    范德瓦耳斯力和氢键的量子理论

  • The influence factors and forming mechanism of nanoparticle agglomerates were analyzed in this paper . This article pointed out that forces such as Van der Waals force hydrogen bond action and electrostatic action were the essential reasons for agglomerates .

    分析了纳米颗粒团聚的影响因素及形成机理,指出颗粒 之间 范德华 、氢键作用、静电作用等各种作用力是 形成团聚的根本原因。

  • Some phenomena of polymer solution which can not be satisfactorily explained by such basic chemical theory as van der Waals force and hydrogen bond are well interpreted by introducing the structrue adapability tenets of cybernetics into the branch of polymer .

    摘要将控制论的结构适应性原理引入高分子学科,解释了一些 范德华 、氢键等化学基本理论未能恰当解释的聚合物溶解现象。

  • The status of experimental and theoretical studies on the long range behaviour of the hadron interaction has been reviewed and the color van der Waals force problem related to the quark confining potential model has been emphasized .

    本文评述了强子间r~(-n)型长程互作用研究的实验和理论现状,着重讨论了夸克囚禁势模型中的色 van der waals 问题。

  • Supramolecular liquid crystal Chemistry studies recombination of LC System which was found by molecules subunit through covalent such as hydrogen bonding subunit 、 ion interaction charge-transfer interactions Van der Waals force and hydrophobic interaction .

    超分子液晶化学研究分子亚单元通过氢键、离子相互作用、电荷转移相互作用、疏水作用及 范德华力 等次价键形成的复合液晶体系。

  • All of the reactions were spontaneous thermodynamics reactions and the major driving forces were hydrogen bond and van der Waals force .

    相互 作用力均为氢键和 范德华 ,其结合反应均为自发的热力学反应。

  • The Van der waals force and electrostatic interaction between the heterogeneous particles wollastonite and TiO2 and its combining force among particles are all attracting forces . The mechanochemical effect was generated accompanying the granular refinement in the process of wet ultrafine grinding .

    液相体系中,硅灰石和TiO2异质颗粒之间 范德华 作用和静电作用及两者综合形成的粒间作用均为吸引。硅灰石在搅拌磨湿法超细研磨中伴随颗粒的细化,产生了机械力化学效应。