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耐火材料和耐火材料 物理试验方法 透气性

Refractory materials and physical test methods for refractory materials Air permeability

耐火材料渗透性的标准试验方法

Standard Test Method for Permeability of Refractories

耐火材料渗透性的标准试验方法

Standard Test Method for Permeability of Refractories

校准气体基准泄漏的标准实施规程

Standard Practice for Calibrating Gaseous Reference Leaks

塑料管道系统.配件、阀门和附件.气流和压降关系的测定

Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships; German version EN 12117:1997

塑料管道系统 配件、阀门和辅助美利体育官网首页网址 气体流量/压降关系的测定

Plastics piping systems - Fittings, valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships (ISO 17778:2015); German version EN ISO 17778:2015

塑料管道系统.配件,阀门和附件.气流和压降关系的测定(ISO 17778:2015)

Plastics piping systems - Fittings@ valves and ancillaries - Determination of gaseous flow rate/pressure drop relationships

国家测量统一性保证体系.气体流速和量.超声波测量仪测量规程

State system for ensuring the uniformity of measurements. Flow rate and quantity of gas. Technique (method) measurements by ultrasonic meters

工作环境中的空气污染 气体流量测量：采用一级美利体育官网首页网址 肺量计法

Air Pollution in Work Environments. Measurement of Gas Flow Rates Using Primary Equipment. Spirometer Method.

工作环境中的空气污染 使用一次美利体育官网首页网址测量气体流量 马吕特瓶法

Air Pollution in Work Environments. Measurement of Gas Flows by Primary Equipment. Mariotte Bottle Method.

工作场所空气污染 利用次级美利体育官网首页网址测量气体流量 孔板法

Air Pollution in Working Environments. Measurement of Gas Flow Rates Using Secondary Equipment. Orifice Plate Method.

高质量焊接和切割用CO2激光射线机的验收试验.第3部分:气体流量和压力测量仪的校正

Acceptance tests for CO<(Index)2>-laser beam machines for high quality welding and cutting - Part 3: Calibration of instruments for measurement of gas flow and pressure

用临界流量喷嘴测量气体流量

Measurement of gas flow by means of critical flow nozzles

高质量焊接和切割用二氧化碳激光束机的验收测试 第3部分：气体流量和压力测量仪器的校准（ISO 15616-3:2003）

Acceptance tests for CO2-laser beam machines for high quality welding and cutting - Part 3: Calibration of instruments for measurement of gas flow and pressure (ISO 15616-3:2003)

用于高质量焊接和切割的 CO2 激光束机器的验收测试 第3部分：气体流量和压力测量仪器的校准（ISO 15616-3:2003）

Acceptance tests for CO2-laser beam machines for high quality welding and cutting - Part 3: Calibration of instruments for measurement of gas flow and pressure (ISO 15616-3:2003)