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集中供热管道用钢夹层管设计指南

Design Guide for Steel Sandwich Pipes for Central Heating Pipes

透明或半透明塑料材料中双折射和残余应变的光弹性测量的标准试验方法

Standard Test Method for Photoelastic Measurements of Birefringence and Residual Strains in Transparent or Translucent Plastic Materials

专用放射疗法美利体育官网首页网址 第3部分 强度调整的放射疗法 临床应用特性、试验方法和规则

Special radiotherapy equipments - Part 3: Intensity-modulated radiation therapy - Characteristics, test methods and rules for clinical application

特种放射治疗美利体育官网首页网址 第3部分：调强放射治疗特点、试验方法及临床应用规则

Special radiotherapy equipments - Part 3: Intensity-modulated radiation therapy - Characteristics, test methods and rules for clinical application

独立式烟囱.第4部分:砖衬.设计和施工

Free-standing chimneys - Part 4: Brick liners - Design and execution; English version of DIN EN 13084-4:2005

独立式烟囱 第4部分：砖衬 设计和执行

Free-standing chimneys - Part 4: Brick liners - Design and execution; German version EN 13084-4:2005

用于压力应用的金属波纹管膨胀节

Metal bellows expansion joints for pressure applications; German version EN 14917:2021

制冷系统和热泵 柔性管道元件、隔振器、膨胀节和非金属管 要求、设计和安装

Refrigerating systems and heat pumps - Flexible pipe elements, vibration isolators, expansion joints and non-metallic tubes - Requirements, design and installation

直流电位计.修改件A2 (IEC 60523:1975/A2:1997); 德文版本 EN 60523:1993/A2:1997

Direct-current potentiometers; Amendment A2 (IEC 60523:1975/A2:1997); German version EN 60523:1993/A2:1997

椭圆偏振仪 原理 (ISO 23131:2021) 草案

Draft Document - Ellipsometry - Principles (ISO 23131:2021); German and English version prEN ISO 23131:2022

椭偏仪 原理（草案）

Principle of ellipsometer (draft)

光学和光学仪器 显微镜 偏光显微镜参考系统

Optics and optical instruments - Microscopes - Reference system of polarized light microscopy (ISO 8576:1996)

自由铺设天然气管道

Free-laid gas pipelines

自行敷设燃气管道技术规定

Technical regulations for self-laying of gas pipelines

自由敷设的燃气管道技术规程

Technical regulations for free-laid gas pipelines

经纬仪.一般技术条件

Theodolites. General specifications

补偿用金属单层波纹管.类型,一般规格

Metal singlelayer bellows for compensation. Types, general specifications

补偿用金属多层波纹管.类型,一般要求

Metal multylevels bellows for compensation. Types, general requirements

电站及供暖系统管道用金属波纹管膨胀节.类型,基本参数及一般技术要求

Metal bellows expansion joints for the pipelines of electric power stations and heat-supply systems. Types, basic parameters and general technical requirements

金属波纹管膨胀节及密封件.一般技术要求

Metal bellows expansion joints and seals. General technical requirements

电子测速仪.通用规范

Electronic tacheometers. General specification

大地测量仪器.总规范

Geodetic instruments. General specifications

国家测量一致性保证体系."数字水平-测量标杆准则"测量体系.验证规程

State system for ensuring the uniformity of measurements. Measuring systems ?Digital level - code surveyor's pole?. Verification procedure

农业拖拉机和挂车 制动气缸 规范

Agricultural trailers and trailed equipment - Braking cylinders - Specifications

防火系统.建筑结构的构件.第1部分:通风管道

Fire containment - Elements of building construction - Part 1: Ventilation ducts

光学与光学仪器 显微镜 偏光显微镜参考系统

Optics and optical instruments - Microscopes - Reference system of polarized light microscopy

迷宫式高炉送风装置

Labyrinth-type blast furnace air supply device

城市规划标准与规范. 分册24：热网和燃气管道 - 外部管网

Urban Planning Standards and Regulations. Volume 24: Heating Networks and Gas Pipelines - External Networks

防火Containment 建筑构件要素 第1部分：通风管道（ISO 6944-1:2024, IDT）

Fire containment — Elements of building construction — Part 1: Ventilation ducts (ISO 6944-1:2024, IDT)

服务设施的耐火试验 第8部分：排烟管道

Fire resistance tests for service installations - Part 8: Smoke extraction ducts