查询词典 charge density

Through X-ray photoemission spectrum, the binding of 516.4 and 523.1 eV can he attributed to the V(superscript 4+ subscript 2p3/2) and V(superscript 4+ subscript 2p1/2),, which confirm the quadrivalent slate of V ion in Li0.8V0.8O2. With a current density of 7.4 mA/g, the charge capacity of Li0.86V0.8O2 is 163 mAh/g in the first cycle, and the first discharge capacity of the materials is 113 mAh/g. After 20th cycles, the discharge capacity is still 80 mAh/g, which show good electrochemicalstbility.

在电流密度为7.4mA/g的充放电中，Li0.86v0.8O2初始充电容量达到163mAh/g，首次放电容量也能达到113mAh/g，20次循环后放电容量仍然可以达到80mAh/g，表现出较好的循环性能。

ABSTRACT A three-component boundary element algorithm for the calculation of 3-d linear eddy currents is presented,which employs an imaginary magnetic charge scalar and an imaginary current density vector with two components,distributed over the interfaces of different regions,as unknowns.

提出一种计算三维线性涡流场的三分量边界元算法。该算法采用在导体表面上虚设的磁荷和电流密度为求解变量，仅需求解3个分量：虚设磁荷标量和电流密度矢量的2个分量。

The experimental results indicate that the yield of UFD increases with increasing the density, slenderness ratio of charge.

装药密度、长径比的增加都有利于UFD的得率的增加，装药粒度对合成UFD有影响。

Then draws the conclusion:The Xi'an commercial real estate change of price's influencing factor is in turn commercial business completes the investment cost,the social fixed assets investment,the urbanized level,the resident consumption price index,the township dwellers according to influence size sorting with the room to be possible to control the income,the average per person family consumption gross charge,the vacant area,the Engel's coefficient,the population density.

进而得出结论：西安市商业地产价格变化的影响因素按影响力大小排序依次是商业营业用房完成投资额、社会固定资产投资、城市化水平、居民消费价格指数、城镇居民可支配收入、人均家庭消费性总支出、空置面积、恩格尔系数、人口密度。

The binding energy of reactants and products was determined by X-ray spectrography, the ground level charge distribution of products was caculated by density function theory of quantum chemistry.

采用X-射线光谱仪测定反应物及反应产物的结合能，用量子化学密度泛函理论计算各反应产物的基态电荷分布情况。

The results show that the electrodeposited calcium phosphate coating was converted to pure needle-like hydroxyapatite crystals in alkaline solution, the size of crystals become stout with the increase of current density and concentration of salts, the crystals structural was changed to squama structural with elevating the temperature of electrolyte, the volume of coating increase with the increase of quantity of electric charge.

结果表明：电沉积磷酸钙盐涂层经低温碱液处理后得到纯的羟基磷灰石涂层，羟基磷灰石晶体呈针状结构；随电流密度、主盐浓度的增加，晶粒变粗，随电解液温度的升高，晶体发生变化，出现鳞片状结构；涂层质量随沉积电量的增加而增大。

The authors compare the behaviors of space charge in dried and undried low density polyethylene and which doped with 0.5% Al_2O_3 powder via infrared spectrum method, thermogravimetry and the Pressure Wave Propagationmethod, and the water content is quantitatively measured.

作者通过红外吸收光谱法、热重分析法和压力波法，分别对低密度聚乙烯以及以0.5%Al2O3粉末掺杂的低密度聚乙烯在干燥前后的有关空间电荷行为进行了比较，定量给出水份含量和对应的空间电荷特性。

Molecular geometry,atomic net charge,constituents and energy of the frontier molecular orbital for eight alkylated arylamine anti-oxidant and anti-corrosive additive s have been calculated by density functional theoryat the 6-31G~* basis set level.

采用量子化学方法，在B3LYP/6-31G~*水平上对8种烷基化芳胺抗氧抗腐添加剂的平衡几何构型、净电荷及前线轨道组成和能级等进行了理论计算研究，探讨了这些化合物的结构特征。

The expressions of current density and the Faradaic Impedance for the three-step electrode processes involving chemical adsorption,charge transfer and desorption steps in the presence or absence of a chemical competitive reaction have been derived in terms of linear condition in this paper,by which the effect of the chemical competitive reaction on the main reaction was analyzed.

在线性条件下，推导了由化学吸附、电荷传递、化学脱附三步骤的电极过程在有化学竞争反应条件下的电流密度和法拉第阻抗的表达式，分析了不同条件下化学竞争反应对主反应的影响，并使用等效电路对可能出现的阻抗结果进行了理论描述。

The results show that the sample possesses two-dimensional (2-D) hexagonally ordered mesoporous structure, and the pore volume of the sample is 1.88 cm3/g, the specific surface area is 1 394 m2/g; it possesses mesoporous structure and narrow pore size distribution, the average pore size is 3.4 nm. The supercapacitor has good electrochemical performance, the specific capacitance is 95 F/g at a charge/discharge current density of 500 mA/g after 10 000 cycles, and specific capacitance fluctuates between -4% and 4%.

结果表明：样品孔结构呈二维六角有序分布；该样品的孔体积为1.88 cm3/g，比表面积为1 394 m2/g，具有典型的中孔结构和集中的中孔分布，它的最可几孔径为3.4 nm；制备的中孔炭作电极材料组装的超级电容器有良好的电化学性能，在500 mA/g的充放电电流密度下，循环10 000次的平均比电容高达95 F/g，比容量波动范围仅为-4%~4%。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。