1) betweenness
[英][bi'twi:nnis] [美][bɪ'twinnɪs]
介数
1.
In the end,through a real example the shortest route,its length and betweenness were worked out according to the algorithm.
针对现有算法及软件计算复杂加权网络介数的局限性,应用Bellman最优原理于复杂加权网络介数计算中,并针对复杂网络动态演化,节点众多,重点,节点间无边连接等特点作了相应修改。
2.
Taking account of the energytransportation character of food webs, attacks on vertices and edges based on "betweenness" are introduced into the experiment.
考虑到食物链网络的能量传递特征,实验中引入了顶点介数攻击和边介数攻击。
3.
After the separation of the network,the main network is extracted in which weighted centrality is calculated and betweenness on the basis of boundary nodes is developed which results in the reduction of amount of computation.
之后进行网络分离,计算主体网络节点的加权点度中心度,同时提出基于边界节点的介数,解决了介数计算量大的问题。
2) permittivity
[英][,pə:mi'tivəti] [美][,pɝmɪ'tɪvətɪ]
介电常数
1.
Study on Permittivity and Permeability of Carbon Nanotubes in the Low-frequency Band from 0.5 to 6 GHz;
碳纳米管在0.5~6GHz低频波段的介电常数和磁导率研究
2.
Measurement of microwave permittivity of high-loss materials using coaxial transmission and reflection way;
同轴传输反射法测量高损耗材料微波介电常数
3.
Effect of purification on 2～18GHz complex permittivity and complex permeability of carbon nanotubes;
纯化处理对碳纳米管2～18GHz复介电常数与复磁导率的影响
3) dielectric constant
介电常数
1.
The preparation and characterization of porous low dielectric constant oligomeric-MSSQ films;
低介电常数甲基倍半硅氧烷多孔膜的制备及表征
2.
An experimental study of dielectric constant of edible oil changed with heated temperature and time;
食用油介电常数随加热时间和温度变化的实验
3.
Calculation of the dielectric constant of pure liquids and liquid mixtures at different temperatures;
不同温度下纯液体和液体混合物介电常数的计算
4) dielectric permittivity
介电常数
1.
Applications of dielectric permittivity of grouting material to GPR image identification;
注浆材料介电常数在雷达图像识别中的应用
2.
Study on the depth of investigation changing with resistivity and dielectric permittivity of homogenous half-space in high frequency electromagnetic sounding method.
研究了均匀半空间电阻率和介电常数对高频电磁法 (10 0kHz～ 5 0MHz)的勘探深度的影响。
3.
In addition, the effect of the dielectric permittivity of the working fluid on a single bubble is analyzed.
为探明外加电场作用下,不同工质对强化沸腾换热的影响,本文采用了FC-72、R11、R113和R123四种工质,定量研究了两相系统中汽泡周围电场分布特性,探讨了工质介电常数对汽泡的作用规律。
5) dielectric function
介电函数
1.
Relation between imaginary part of dielectric function and the conductivity
介电函数虚部与电导率的关系
2.
The imaginary part of dielectric function and the absorption coefficient
光吸收介质的吸收系数与介电函数虚部的关系
3.
In this paper,the dielectric function of silver is discussed.
从能够产生表面增强拉曼散射(SERS)效应的典型金属—银出发,讨论其在光频段的介电函数及与此介电函数相关的表面等离子体共振现象,进而用表面等离子体共振理论讨论SERS效应的电磁增强机理。
6) dielectric coefficient
介电常数
1.
At the same frequency,the dielectric coefficient of limestone is influenced obviously by the degree of decency.
采用同轴线终端开路反射法测试系统测量碳酸盐岩(灰岩、白云岩)的介电常数,测试结果表明:碳酸盐岩在25 MHz~100 MHz频段范围内介电常数的频散现象明显;相同频率下,灰岩的风化程度对其介电常数的影响较大,角砾状白云岩的介电常数普遍高于未风化白云岩和灰岩;灰岩介电常数随频率变化的离散性比白云岩更为明显。
2.
Firstly,a laboratory coaxial probe method for measuring dielectric coefficient of dielectric materials are proposed.
首先,提出一种测量介质介电常数的终端开路同轴探头技术,该技术将同轴探头紧贴有导电衬底的介质,通过测量探头终端的反射系数来确定介质的介电常数;然后,通过这种室内同轴探头法,测试在频率为1 GHz范围内,上海地区盾构隧道所使用的两种不同配比惰性浆液在第1天龄期的介电常数值以及一定配比的双浆液在第3天和第14天龄期的介电常数,进而得到在不同频率下电磁波在浆液中精确的传播速度。
补充资料：介介然
1.形容声音高亢，非同凡响。 2.形容心事重重。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条