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天然气 气源区 实验室中对滑水的抽吸减少的确定

Natural gas — Upstream area — Determination of drag reduction in laboratory for slick water

医用面罩. 要求和试验方法

Medical face masks. Requirements and test methods

旋转机械进气过滤系统试验方法 第3部分：过滤元件的机械完整性

Air intake filter systems for rotary machinery — Test methods Part 3: Mechanical integrity of filter elements

高聚物多孔弹性材料.恒定压降下的气流值的测定

Polymeric materials, cellular, flexible - Determination of air flow value at constant pressure-drop

航空航天系列 液压滤清器滤芯 试验方法 坍塌/爆裂压力额定值的验证

Aerospace series. Hydraulic filter elements. Test methods. Verification of collapse/burst pressure rating

航空航天系列. 液压过滤器滤芯. 试验方法. 抗流动疲劳性

Aerospace series. Hydraulic filter elements. Test methods. Resistance to flow fatigue

液压传动.过滤器.压差与流量关系的评估

Hydraulic fluid power. Filters. Evaluation of differential pressure versus flow

天然气 上游地区 实验室滑溜水减阻测定

Natural gas. Upstream area. Determination of drag reduction in laboratory for slick water

旋转机械进气过滤系统 试验方法 第3部分：过滤元件的机械完整性（ISO 29461-3:2024）

Air intake filter systems for rotary machinery – Test methods – Part 3: Mechanical integrity of filter elements (ISO 29461-3:2024)

旋转机械进气过滤系统 试验方法 第3部分：过滤元件的机械完整性

Air intake filter systems for rotary machinery – Test methods – Part 3: Mechanical integrity of filter elements

膜式过滤器元件.第3部分:液体比流率的检验

Membrane filter elements - Part 3: Testing for specific liquid flow rate

工作场所大气 个人采样化学剂泵 要求和试验方法

Requirements and test methods for pumps for personal sampling of workplace atmospheres and chemicals

医用口罩——要求和测试方法（草案）

Medical face masks - Requirements and test methods

家用和类似用途的自动电控制器 第2-6部分:包括机械要求的自动电气压觉控制器的特殊要求(修改的IEC 60730-2-6-2007)

Automatic electrical controls for household and similar use - Part 2-6: Particular requirements for automatic electrical pressure sensing controls including mechanical requirements (IEC 60730-2-6:2007, modified); German version EN 60730-2-6:2008

自动电控制器.第2-6部分:包括机械要求的自动电气压觉控制器的特殊要求(IEC 60730-2-6-2015);德文版本EN 60730-2-6-2016

Automatic electrical controls - Part 2-6: Particular requirements for automatic electrical pressure sensing controls including mechanical requirements (IEC 60730-2-6:2015); German version EN 60730-2-6:2016

纺织物.无纺物用试验方法.第15部分:空气渗透性的测定

Textiles - Test methods for nonwovens - Part 15: Determination of air permeability (ISO 9073-15:2007); German version EN ISO 9073-15:2008

纺织品.纤维织物透气性测定

Textiles - Determination of permeability of fabrics to air (ISO 9237:1995); German version EN ISO 9237:1995

纺织品.纤维织物透气性测定(ISO 9237-1995)

Textiles - Determination of Permeability of Fabrics to Air (ISO 9237 : 1995)

液压滤芯.利用颗粒污染物测定抗流动疲劳特性

Hydraulic fluid power.Filter elements.Determination of resistance to flow fatigue using particulate contaminant

机织过滤布透水性的测定

Determination of water permeability of woven filtering fabric

液压传动 滤芯试验方法 热工况和冷启动模拟

Hydraulic fluid power—Filter element test methods—Thermal conditioning and cold start-up simulation

门和卷帘的防烟性能试验方法

Smoke leakage tests for door and shutter assemblies

液压阀 压差-流量特性的测定

Hydraulic fluid power.Valves.Determination of pressure differential/flow characteristics

液压传动 滤芯试验方法 实际寿命评定

Hydraulic transmission filter element test method actual life assessment

数字式电磁阀通用规范

General specification of digital Solenoid valve

活塞压缩机的单独自动的圆形阀.型式和嵌装尺寸

Selfacting individual values of circular form for piston compressors. Types and fitting dimensions

窗与门组件.风力负荷的测定法

Windows and doors. Methods of determination of resistance to wind load

压缩空气过滤器 测试方法 第1部分油气溶胶

Filters for compressed air. Test methods. Part 1. Oil aerosols

液压传动.滤芯.塌陷/破裂额定压力的验证

Hydraulic fluid power. Filter elements. Verification of collapse/burst pressure rating

内燃机引擎全流润滑油过滤器测试方法.第1部分:压差/流速特征

Methods of test for full-flow lubricating oil filters for internal combustion engines. Part 1. Differential pressure/flow characteristics

旋转机械空气抽吸过滤器系统 测试方法 第3部分：过滤器元件的机械安全性

Air intake filter systems for rotary machinery — Test methods — Part 3: Mechanical integrity of filter elements

天然气 源头区 在实验室中确定减少滑脱水的积聚

Natural gas — Upstream area — Determination of drag reduction in laboratory for slick water

航空航天系列液压过滤元件试验方法第3部分：过滤效率和保持能力

Aerospace series - Hydraulic filter elements - Test methods - Part 3: Filtration efficiency and retention capacity

航空航天系列.液压过滤元件.试验方法.第4部分：坍塌/爆裂压力额定值的验证

Aerospace series - Hydraulic filter elements - Test methods - Part 4: Verification of collapse/burst pressure rating

航空航天系列液压过滤元件试验方法第5部分：抗流动疲劳

Aerospace series - Hydraulic filter elements - Test methods - Part 5: Resistance to flow fatigue

液压传动.滤芯.破裂压力等级的验证

Hydraulic fluid power - Filter elements - Verification of collapse/burst pressure rating

液压传动 过滤器 压降与流量特性关系的评估

Hydraulic fluid power - Filters - Evaluation of differential pressure versus flow characteristics

液压传动.阀门.压差/流量特性的测定

Hydraulic fluid power — Valves — Determination of pressure differential/flow characteristics

用插入圆形横截面管道中的压差装置测量流体流量.第3部分:喷嘴和文丘里喷嘴

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full — Part 3: Nozzles and Venturi nozzles

特种机械进气过滤系统 试验方法 第3部分 滤芯机械完整性 (ISO 29461-3:2024)

Air intake filter systems for rotary machinery - Test methods - Part 3: Mechanical integrity of filter elements (ISO 29461-3:2024)

核电厂限流孔板调试技术导则

Technical Guidelines for Commissioning of Current Limiting Orifice Plate in Nuclear Power Plants

旋转机械进气过滤系统 试验方法 第3部分：过滤元件的机械完整性

Air intake filter systems for rotary machinery - Test methods - Part 3: Mechanical integrity of filter elements

医用面罩. 要求和试验方法

Medical face masks - Requirements and test methods

建筑物通风 根据环境条件修正空气流量

Ventilation for buildings - Correction of air flow rate according to ambient conditions

飞机座舱增压系统标准

Aircraft Cabin Pressurization System Criteria

液压流体动力阀压力差流量特性的测量与报告方法

Method of Measuring and Reporting the Pressure Differential Flow Characteristics of a Hydraulic Fluid Power Valve

外科口罩 要求和测试方法

Surgical masks - Requirements and test methods

旋转机械用空气过滤吸入系统 试验方法 第3部分：过滤元件的机械完整性（ISO 29461-3:2023）

Air filter intake systems for rotary machinery - Test methods - Part 3: Mechanical integrity of filter elements (ISO 29461-3:2023)

液压传动流体功率 阀-压力/流量特性的确定（ISO 4411:2019 等同采用）

Hydraulic fluid power - Valves - Determination of differential pressure/flow rate characteristics (ISO 4411:2019, IDT)

袋式除尘器用脉冲喷吹控制仪技术要求

Technical specifications of Pulse Jet Controller for Baghouse

旋转机械进气过滤系统 试验方法 第3部分：过滤元件的机械完整性（ISO 29461-3:2024）

Air intake filter systems for rotary machinery - Test methods - Part 3: Mechanical integrity of filter elements (ISO 29461-3:2024)

通过插入完全运行的圆形横截面管道中的压差装置测量流体流量 第6部分：楔形流量计

Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full - Part 6: Wedge meters (ISO 5167-6:2019)

旋转机械进气过滤系统 试验方法 第3部分：过滤元件的机械完整性

Air intake filter systems for rotary machinery - Test methods - Part 3: Mechanical integrity of filter elements