1) total PAHs concentration
总质量浓度
2) total carbon aerosol mass concentration
总碳质量浓度
3) 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
4) 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 。
5) 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。
6) mass concentration distribution
质量浓度谱
1.
The action of optical direct-reading techniques in environment monitoring was described,with analysis of relationship between atmospheric aerosol mass concentration distribution and number distribution by multiple regressions.
运用该技术和方法对北京地区2月份大气气溶胶不同粒径段的粒子数密度与质量浓度进行了测量和相关性分析,得出了利用粒子数密度谱获取颗粒物(PM10)质量浓度谱的经验公式,并对公式进行了实验验证,以期对北京市大气污染总量控制方案及对策提供科学依据。
2.
According to different aerosol parameters measured by aerodynamic particle sizer(APS)and ta- pered element oscillating microbalance(TEOM)in February 2006 in Beijing,relationship between aerosol mass concentration distribution and number distribution is described,and empirical formulas is given by multiple regression.
在对二者进行相关性分析的基础上,运用多元回归方法,得出了利用粒子数密度谱获取颗粒物(PM_(10))质量浓度谱的经验公式,并对公式进行了实验验证。
补充资料：质量百分比浓度
以溶质的质量占全部溶液的质量的百分比来表示的浓度。如5%的葡萄糖溶液，即表示100克该溶液中含葡萄糖5克，水95克。质量百分比浓度=溶质质量溶液质量×100%。
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