共找到 150 條與 標志氣體濃度增率 相關(guān)的標準，共 10 頁
Coal seam spontaneous combustion indicator gas and critical value determination method
本標準規(guī)定了煤層自然發(fā)火標志氣體種類、氣相色譜分析技術(shù)條件和分析方法。規(guī)定了煤層自然發(fā)火標志氣體及指標優(yōu)選方法。 本標準適用于煤層自然發(fā)火標志氣體的氣相色譜分析及預測預報指標的優(yōu)選
The method of gas chromatography analysis and index optimization for mark gases of spontaneous combustion of coal stratum
Denne standard omfatter m?rkning af transportable behol-dere (trykflasker) til medicinsk brug. M?rkningen skal ske ved hj?lp af stempling
Gas cylinders for gases for medical use. Marking
1.1 These test methods cover the determination of the limiting oxygen (oxidant) concentration of mixtures of oxygen (oxidant) and inert gases
Standard Test Methods for Limiting Oxygen (Oxidant) Concentration in Gases and Vapors
1.1 These test methods cover the determination of the limiting oxygen (oxidant) concentration of mixtures of oxygen (oxidant) and inert gases
Standard Test Methods for Limiting Oxygen (Oxidant) Concentration in Gases and Vapors
Denne standard omfatter m?rkning af transportable behol-dere (trykflasker) til teknisk brug. M?rkningen skal ske ved hj?lp af stempling, etikettering
Gas cylinders for gases for technical use. Marking
Carbon Dioxide Concentration as an Indicator of Ventilation Rate and IAQ
Methods of test for determining fire extinguishing and inerting concentrations for flammable liquids and gases - Determination of fire extinguishing concentrations
Methods of test for determining fire extinguishing and inerting concentrations for flammable liquids and gases - Determination of fire inerting concentrations
CE Marking of Gas Equipment
Gas-consuming thermal units. Industrial gas burners. Limiting concentration rates of NOx in combustion products
Carbon Dioxide Concentration as an Indicator of Ventilation Rate and IAQ
本規(guī)范描述了一種在溫度為23°C的砷、硼和磷摻雜單晶硅中，將摻雜物密度轉(zhuǎn)換成電阻率的方法。該轉(zhuǎn)換基于Thurber等人及其他人的實驗數(shù)據(jù)，在磷摻雜硅中的摻雜濃度從10^13 cm^-3到10^20 cm^-3范圍之間，而在硼摻雜硅中的摻雜濃度從10^14 cm^-3 到 10^20 cm^-3 范圍
Standard Practice for Conversion Between Resistivity and Dopant Density for Boron-Doped, Phosphorus-Doped, and Arsenic-Doped Silicon
Standard Practice for Measuring the Concentration of Toxic Gases or Vapors Using Detector Tubes
Gas cylinders for industrial use; Marking for identification of content
