2) Mass concentration
质量浓度
1.
Aerosol mass concentration algorithm based on the number of equivalent spherical particles;
基于等效球形颗粒数的颗粒物质量浓度算法
2.
Influence of temperature and relative humidity upon aerosol mass concentrations vertical distributions;
温度和相对湿度对气溶胶质量浓度垂直分布的影响
3.
Analysis of aerosol number concentration and mass concentration using APS;
利用APS分析大气气溶胶数浓度和质量浓度
3) Mass density
质量密度
1.
Dynamic mass density and acoustic metamaterials;
动态质量密度和声学超常介质
2.
Considering non-spherical particles,starting from particles size distribution,the concept of the average mass was put forward,and the theoretical formula for calculating mass density of non-spherical particles was derived.
基于米氏(Mie)散射理论得到了粒子计数器测量球形颗粒物质量密度的计算公式。
3.
%) and Al-28%Mg-14%Zn alloys used for thermal energy storage applications,such as the specific heat capacity including solid and liquid state;the mass density in the temperature range 30～500℃;the melting temperature and the latent heat of fusion.
利用差示扫描量热仪(DSC)和H-90型膨胀仪,对潜热储能材料A l-34%Mg-6%Zn和A l-28%Mg-14%Zn合金的热物性参数进行了测定,如固、液态时的比热容,30~500℃间的质量密度,熔化温度和熔化潜热等。
4) mass thickness
质量厚度
1.
Research of mass thickness measurement utilizing X-ray;
X射线质量厚度测量研究
2.
Mass thickness measurement of dual-sample by dual-energy X-rays;
用双能X射线测量双组分物质的质量厚度
3.
The mass thickness of a number of paper samples were respectively measured by the X-ray absorption method and the primary rays of radiated sources scattering method.
采用X射线荧光吸收法和源初级射线散射法分别对一批纸张样品质量厚度进行测量,并对测量结果进行对比,作出有益的讨论。
5) quality concentration
质量浓度
1.
A non-linear mathematics model for the quality concentration C of paper pulps is given in this paper to make linear compensation for the temperature, pH and pulp quality.
给出了一种对温度、p H、打浆度进行线性补偿的关于纸浆的质量浓度 C的非线性数学模型 ,并且针对在线递推最小二乘法偶尔会出现曲线拟合不收敛于真值的数据饱和现象 ,给出了一种用渐消记忆的在线递推最小二乘法 ,来完成曲线拟合的改进方案 ,同时给出了拟合曲线显著性校验的检验方法 。
6) concentration
[英][,kɔnsn'treɪʃn] [美]['kɑnsṇ'treʃən]
质量浓度
1.
Measuring mass concentration of gas-solid multiphase flow by triboelectricity;
浓相气固两相流质量浓度摩擦电法测量研究
2.
Study on variational regularity of airborne dust concentration conversion factor(K-Factor) in tunnel under construct;
施工隧道粉尘质量浓度转换系数K值变化规律
3.
Raising seedlings test by sowing was conducted by immersing seed of lanthanon solution with 4 different concentrations and 2 immersed time,the results showed that:To the seedlings of 1-yr-old of Larix olgensis by,its growth in height and basal diameter,length of main root and amount of lateral roots,also in survival rate,can be greatly promoted by all treatment.
采用4种质量浓度稀土溶液、2种浸种时间处理长白落叶松种子并播种育苗,结果显示:不同质量浓度的稀土溶液和不同的浸种时间对长白落叶松1 a生播种苗的苗高生长量、地径生长量、主根生长量、侧根数量、成苗率均有显著促进作用,以50 mg·L~(-1)的质量浓度浸种处理4 h的效果最好;使用该质量浓度处理后,苗高生长量较对照高出7。
补充资料：可公度量和不可公度量
可公度量和不可公度量
ommensulble and incommensuable magnitudes (quantities)
可公度t和不可公度t【~e璐u由lea目in~men-su.ble magultodes(quanti柱es);“洲口Mel娜M毗“”“”-113Mep目M曰e肠eJ皿，一皿曰』 如果两个同类量(例如两个长度或两个面积)具有或不具有公度(common measure，即另一个同类量，所考虑的两个量都是这个量的整数倍)，则相应地称这两个量为可公度量或不可公度量.正方形的边长和对角线，或圆的面积和丫的半径的平方，都是不可公度量的例尹.如果两个量是可公度的，则‘l艺们的比是有理数;相反，不可公度量忿比是无理数、
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