GB/T 42638-2023
煤矿井下煤层瓦斯抽采半径直接测定方法 抽采量法
The direct measuring method of the coal seam gas drainage radius in coal mine—Method of drainage volume
2023-05-23
BS 5857-2.1-1980
Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of gas flow-General
使用示踪剂测量封闭管道中流体流量的方法 气体流量的测量 全体的
1980-03-31
BS 5857-2.4-1980
Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of gas flow-Transit time method using radioactive tracers
使用示踪剂测量封闭管道中流体流量的方法 气体流量的测量 放射性示踪渡越时间法
1980-03-31
MT/T 1173-2019
煤层透气性系数测定方法——径向流量法
Measuring method for gas permeability coefficient of coal seam-
Radial flow method
2019-11-28
GB/T 35065.2-2023
湿天然气流量测量 第2部分:流量计测试和评价方法
Wet natural gas flow measurement—Part 2:Test and evaluation method of flow meter
2023-12-28
ASHRAE 41.7-2021
Standard 41.7-2021 -- Standard Methods for Gas Flow Measurement (ANSI Approved)
标准41.7-2021——气体流量测量的标准方法(ANSI批准)
GB/T 13930-2024
水环真空泵和水环压缩机 气量测定方法
Water ring vacuum pumps and comprssors—Method for measurement of volume flow of gas
2024-04-25
GOST 8.464-1982
Государственная система обеспечения единства измерений. Расход газа массовый. Расчетные зависимости косвенных методов измерений
确保测量一致性的状态系统 气体质量流量 间接测量方法的计算关系
IN-91-18-2
Performance and Comparison of Tracer Gas Methods for Measuring Air Flows in Two-Zone Buildings
示踪气体法测量两区建筑空气流量的性能和比较
VDI/VDE 2640 Sheet 3
Measurement of gas flow in circular; annular or rectangular sections of conduits velocity area method
循环流化床中气体流量的测量;管道环形或矩形截面速度面积法
1983-11-01
ASTM E2029-25
Standard Test Method for Volumetric and Mass Flow Rate Measurement in a Duct Using Tracer Gas Dilution
使用示踪剂气体稀释的管道中体积和质量流量测量的标准测试方法
2025-04-15
GB/T 17357-2008
设备及管道绝热层表面热损失现场测定 热流计法和表面温度法
In-situ measurements of heat loss through thermal insulation of equipments and pipes - Heat flow meter apparatus and surface temperature method
2008-06-19
BS ISO 18589-6-2019
Measurement of radioactivity in the environment. Soil-Gross alpha and gross beta activities. Test method using gas-flow proportional counting
环境中放射性的测量 土壤
2020-01-04
BS EN ISO 18589-6-2021
Measurement of radioactivity in the environment. Soil-Gross alpha and gross beta activities. Test method using gas-flow proportional counting
环境中放射性的测量 土壤
2021-08-17
ISO 18589-6-2019
Measurement of radioactivity in the environment — Soil — Part 6: Gross alpha and gross beta activities — Test method using gas-flow proportional counting
环境中放射性的测量.土壤.第6部分:总α和总β放射性.用气体流量比例计数的试验方法
2019-12-18
DIN EN ISO 18589-6
Measurement of radioactivity in the environment - Soil - Part 6: Gross alpha and gross beta activities - Test method using gas-flow proportional counting (ISO 18589-6:2019); German version EN ISO 18589-6:2021
环境中放射性的测量.土壤.第6部分:总α和总β放射性活度.使用气流比例计数的试验方法(ISO 18589-6-2019);德文版EN ISO 18589-6:2021
2022-04-01