determination (of a substance)

用法例句

DOAS systems have been used widely in China, but still lack of systemic effective measures for quality control.

针对我国目前广泛采用的环境空气自动监测系统(DOAS)在运行中尚缺少有效的质控措施等问题,依据国家有关技术规范并结合长期的工作实践摸索建立了长光程空气质量连续自动监测系统的质量保证与质量控制操作程序,为保证DOAS系统的有效运行提供借鉴,从标准传递、仪器校正等方面提了出具体实施技术。

The BRD method and DOAS method to retrieval the SO2 amount are compared at last.

基于此,本文重点介绍了一种基于OMI观测的边界层二氧化硫信息定量1反演方法,即波长对差值残差BRD方法(Band Residual Difference),并对目前国际上常用的二种反演二氧化硫总量的方法,即BRD方法和差分吸收光谱DOAS方法,进行了系统性的比较。

Application and Analysis of Multi-Characteristic Spectrum in DOAS

DOAS方法的多特征谱解析及应用

Study on Atmospheric Trace Gas Measurements Using Zenith-sky Scattered Light-DOAS Technique;

利用天顶散射光-DOAS方法测量大气痕量气体研究

Temperature and nonlinearity compensation for in-situ concentration measurement of polluted gas with DOAS method

DOAS方法在线测量污染气体浓度的温度与非线性补偿

A Method for Resolving Spectra Shift in the Urban Air Quality Monitoring System(DOAS)

城市空气质量监测系统(DOAS)谱线漂移问题及解决方法

Determination of the Vertical Column Density of Trace Gas Measured by MAX-DOAS

被动多轴DOAS技术污染气体垂直柱浓度反演方法研究

Monitoring and Analysis of Air Pollutants Using DOAS in Winter of Beijing

北京冬季大气污染物的DOAS监测与分析

The Effect of Spectral Range on the Measurement of Ozone in the Atmosphere by DOAS

反演波段对DOAS测量大气中O_3的性能影响研究

Characteristics of SO_2-NO_2-O_3 in Summer of Beijing from DOAS Measurement

北京夏季SO_2-NO_2-O_3的DOAS观测结果及变化特征

the extraction of root

【数】开方法, 求根法

variance components method

方差分析法 方差分析法

Method,Anti-Method and Openness of Economics Methodology;

方法、反方法与经济学方法的开放性

method of operation

操作方法;经营方法;经营方法;运行方式;运转方法;工作规范

On Source of Law--From the Perspective of Legal and Jurisprudence Methodologies;

论法律渊源——以法学方法和法律方法为视角

Place where judge or magistrate sits in court

在法庭法官或地方法官坐的地方

method,style or manner of doing sth

（做某事的）方法,方式,手段

perturbation method in ordinary differential equation

常微分方程摄动方法

Numerical Methods for ODE

常微分方程数值方法

Compare Chinese and Western methods of analysis.

比较中西方的分析方法。