By dual air blowers and double power source,when a air blower appears trouble and stops the wind,swith over to another air blower automatically,realize incessant ventilation to the working range continuously,has guaranteed the reliable ventilation of the working face.
使用双风机双电源在1台风机故障停风时,自动切换到另1台风机,实现对工作面持续不间断供风,保证了工作面的可靠供风。
By approximately treating emulsion as plate model and introducing the functional theory into the calculation of electric double layer (EDL) interaction, the stability of food emulsion has been investigated.
计算了平行平板双电层在各电位下的相互作用能,并以数值法所得结果为参照,在不同电位下与Debye-Hückel(DH)线性近似法所得的结果进行了比较。
By introducing the functional theory into the calculation of electric double layer (EDL) interaction, the interaction energies of two identical parallel plates , two identical charged spherical particles having both equal radii( a 1 = a2 = a) and equal potential (ψ1 =ψ2=ψor the dimensionless potentialφ1 =φ2=φ) are calculated respectively at high, moderate and low potentials.
本论文用泛函数法对电解质溶液中胶体粒子等同平行平板-平板型双电层、不等同平行平板-平板型双电层、等同球-球型双电层之间的相互作用以及球状反胶束双电层厚度进行了研究,并与数值解和经典近似方法进行了比较。
There are some problems if adopting conventional theories such as the double electric layer and the Donnan equilibrium to explain the permselectivity of ion exchange membranes.
分析了传统的双电层理论或Donnan膜平衡理论在解释离子交换膜的选择透过性机理上存在的局限性,提出了“空穴传导-双电层”假说,认为离子交换膜在溶液中由于反离子的迁移在膜内留下“离子空穴”,同时在膜的两侧形成“双电层”结构,“空穴”和“双电层”共同作用的结果使溶液中与反离子同号的离子能够通过离子交换膜,而与反离子异号的离子无法进入离子交换膜,从而使其具有选择透过性。
It is analyzed by both the theory of double electric layer and the Fridel salt′s formation.
用双电层理论和F盐的形成机理分析了磨细矿渣具有优越抗氯离子侵蚀性能的机理。
In this paper,the influence of two depolarizing agents on the double electric layer of cathode interface and the electrical performance of wet tantum capacitors is studied.
研究了两种去极化剂对液体钽电容器的阴极界面双电层及电容器电性能的影响。
New generalized electric double layer conductivity model for laminated and dispersed shaly sands;
新型混合泥质砂岩通用双电层电导率模型
The electric double layer model of colloid,the concept and measure principle of Zeta potential,the relationship between DLVO theory and the stability of colloid,and the application of Zeta potential in the research on the stability of liquid milk and its prospect are introduced in this paper.
介绍了胶体的双电层模型、Zeta电位的概念和测量原理,DLVO理论与胶体稳定性的关系,Zeta电位在液态奶制品稳定性研究中的应用和前景展望。
By contrasting the friction properties of the water lubrication film confined in two Si walls with that in the wall having electric double layer,it is easily got that the friction coefficient is generally larger than that with electric double layer, and the influence on the friction coefficient of the relative motion velocity between two walls havi.
采用分子动力学方法对带电和不带电两硅板之间的水分子润滑薄膜进行模拟研究,通过加双电层的水分子薄膜润滑与未加双电层薄膜润滑摩擦属性的对比,发现摩擦系数在存在双电层的情况下比未加双电层时要小,两板相对滑动速度对摩擦系数的影响与未加双电层时相似,相对滑动速度越大,摩擦系数在一定的速度范围内平稳增大。
The component of electrical double layer, three potentials between solid and liquid surface, the testing methods of ζ potential and the effect of paper aids to the electrical double layer were reviewed.
综述了纸料胶体体系中双电层的组成、固液表面存在的三种电势 ,ζ电位的测量方法以及添加造纸助剂对双电层的影响。
Based on the capacity characteristics of electrical double layer, a new separation method--charge concentration is proposed, and a preliminary experimental study is made.
由电化学理论可知,在电化学体系中,电极与溶液的交界处存在双电层。
The results show that the streaming potential along the axial direction decreases first, and then increases rapidly and finally tends to constant value when the electrical double layers overlap each other.
结果表明在双电层相互交叠的情况下,微通道内轴向的流动电势先减小后增大,并逐渐趋于定值,从而导致了轴向电动效应不断增强。
Characteristics of twin arc GMAW with a common weld pool;
双电弧共熔池气保焊技术特点与发展现状
A new type DC submergedarc furnace with twin electrodes and oblate stack is introduced.
介绍了一种新型的双电极扁圆形直流电熔镁埋弧电弧炉·通过实验研究了该种炉型的运行特点,并对炉子的能耗指标及实验样品的质量与交流电熔镁埋弧电弧炉的生产状况进行了对比分析·结果表明:采用双电极直流供电技术,可减少电弧闪烁,噪音小,生产稳定,电能消耗降低,电极消耗降低约50%;扁圆形炉型有利于MgO的结晶,结晶颗粒大,质量分数为98%以上的MgO收得率提高了约15%