Wetting heat, adhesion work and adsorption enthalpy increment in oil recovery 采油中的润湿热、粘附功和吸附焓变
Transport rates of three liquids, water, oleic acid and paraffin liquid, in various fabrics have been measured. Wetting parameters, contact angles, adhesion work and wetting work have been estimated by washburn's equation and Young& Dupre's equation. 测定了油酸、液体石腊在各种织物上的迁移速度、并利用Washburn方程和young&Dupre方程计算了接触角、粘附功、润湿功等相应润湿参数。
Based on the Young-Dupre equation on the interface adhesion work, the mechanism of reducing soil adhesion of the materials of big water contact angle and the bionic non-smooth surface could be explained from the effect of the capillary negative air pressure. 根据界面粘附功的YoungDupre方程,应用毛细负压的观点解释了水接触角大的材料和仿生非光滑表面的减粘机理。
In this paper, the development of the adhesion coefficient utilization testing system for ABS is presented to reduce the work of data processing and improve the efficiency of testing. 在进行附着系数利用率测定试验中,数据的后处理工作量较大,为此开发了一种用于ABS附着系数利用率测定的系统,可减少测量附着系数利用率的后处理工作,提高测量的工作效率。
The experimental results showed that the surface free energy and interface adhesion work of carbon black treated with nitric acid increased, to some extent whereas decreased treated partly with coupling agents. 实验结果表明,硝酸处理使炭黑的表面自由能、界面粘附功有所提高,而偶联剂处理则结果相反;
Beginning with adhesion and cohesion work equilibrium analysis of solid/ liquid boundary, and combining idle flow of liquid on packing round surface, through allowable wetness value, it leads to calculation formula for packing tower minimum wetness rate via utilizing thermodynamic method. 从固/液界面的粘附功和内聚功平衡分析入手,结合流体在填料环壁表面的理想流动,通过湿润准数,利用热力学方法,导出了填料塔最小润湿速率的计算公式。
Methods The monocytes were acquired from human peripheral blood ( mononuclear) cells ( PBMC) by adhesion method. The first step was to work on a 7-day culture of monocytes in medium ( supplement) with GM-CSF and IL-4, and the cells were actually immature. 方法:用贴壁法从健康人外周血浓缩白细胞获取单核细胞,第一阶段在GM-CSF+IL-4存在的条件下培养7d,获得未成熟DCs;
Adhesion Work and Fracture Energy of Glassy Polymer 脆性聚合物的粘着功和断裂能
Bonding forces between metals and ceramics films were studied from the viewpoint of adhesion work. 从附着功的角度对金属与陶瓷薄膜间的结合力进行了初步的探讨。
It has been found that the model shovel has a good ability to reduce soil adhesion and improve work efficiency above 30%. 试验证明,非光滑表面电渗铲斗具有良好的脱土性能,可提高作业生产率30%以上。
The effect of every parameter upon the adhesion weight utilization ratio had been analyzed at the end of the work. 最后,分析了机车各参数的摄动对粘着重量利用率的影响。
The relationship between adhesive force, adhesion work, and surface energy in glassy polymer has been presented starting with intermolecular force. 作者从分子间作用力入手,介绍了脆性聚合物的粘结力和粘着功以及它们与表面能之间的关系;
As a kind of robot, tracked mobile robot has the advantages of large support area, good performance of cross-country, good traction adhesion properties, self-resetting, strong capability of obstacle-climbing and so on. So it is suitable to work in execrable environment. 履带式移动机器人作为机器人的一种,具有支撑面积大、越野性能好、牵引附着能力强等诸多优点,适合在危险恶劣的环境下工作。
Finally, adhesion work of WMA were calculated by adhesion model and energy parameters of raw materials. WMA water stability were discussed by use surface energy theory. 最后结合粘附模型及确定的各种原材料表面能参数进行了温拌沥青混合料体系内粘附功计算分析,从表面能理论出发探讨了温拌沥青混合料水稳定性。