/ 标准查询与下载

GB 14029-1992 半导体集成电路模拟乘法器测试方法的基本原理

Basic principles of semiconductor integrated circuit analog multiplier testing methods

GB 35007-2018 半导体集成电路低电压差分信号电路测试方法

Semiconductor integrated circuit low voltage differential signal circuit testing method

GB 14949.5-2021 锰矿石 钛含量的测定 二安替吡啉甲烷分光光度法

本标准规定了二安蔡吡啉甲烷分光光度法测定铁含量。 本标准适用于锰矿石、锰精矿、烧结锰矿中钛含量的测定。测定范围(质量分数) :0.01%%一0.50%% 。

Determination of titanium content in manganese ore diantipyridine methane spectrophotometry

GB/T 6722-2014(XG1-2017) GB/T 6722-2014(XG1-2017)

GB/T 30842:2014 GB/T 30842:2014

GB 12843-1991 半导体集成电路微处理器及外围接口电路电参数测试方法的基本原理

Basic principles of electrical parameter testing methods for semiconductor integrated circuit microprocessors and peripheral interface circuits

GB 14031-1992 半导体集成电路模拟锁相环测试方法的基本原理

Basic principles of semiconductor integrated circuit analog phase-locked loop testing methods

GB 14030-1992 半导体集成电路时基电路测试方法的基本原理

Basic principles of semiconductor integrated circuit time-based circuit testing methods

GB/T 14512-1993 1:1000000地形图编绘规范及图式

1:1000000 topographic map preparation specifications and diagrams

GB 14032-1992 半导体集成电路数字锁相环测试方法的基本原理

Basic principles of digital phase-locked loop testing methods for semiconductor integrated circuits

GB 14028-2018 半导体集成电路模拟开关测试方法的基本原理

Basic principles of semiconductor integrated circuit analog switch test methods

GB 3442-1986 半导体集成电路 运算(电压)放大器测试方法的基本原理

Basic principles of semiconductor integrated circuit operational (voltage) amplifier testing methods

UL 2800-1-2-2022 安全标准 可互操作项目开发生命周期

STANDARD FOR SAFETY Interoperable Item Development Life Cycle

ISO 16000-36:2018/Amd 1:2019 室内空气 第36部分：使用试验室评估空气净化器可培养空气细菌减少率的标准方法

This document specifies a method to evaluate the capacity of air purifiers to reduce the concentration of airborne culturable bacteria. The test is applicable to air purifiers commonly used in single room spaces.

Indoor air — Part 36: Standard method for assessing the reduction rate of culturable airborne bacteria by air purifiers using a test chamber

ISO 13930:2015/Amd 1:2017 高炉原料铁矿石 动态法测定低温还原崩解指数

This International Standard specifies a method to provide a relative measure for evaluating the degree of size degradation of iron ores when reduced under conditions resembling those prevailing in the low- temperature reduction zone of the blast furnace. This International Standard is applicable to lump ores and hot-bonded pellets.

Iron ores for blast furnace feedstocks — Determination of low- temperature reduction-disintegration indices by dynamic method

ISO 7530-1:1990/Cor 1:1992 镍合金. 火焰原子吸收光谱分析. 第1部分: 钴, 铬, 铜, 铁和锰的测定 技术勘误表1

Nickel alloys — Flame atomic absorption spectrometric analysis — Part 1: General requirements and sample dissolution

TIS 288-2561 食用油成品油许可审查的具体标准

Specific Standards for Licensing Review of Edible Oils and Refined Oils

TIS 2231-2550 布料:有害染料和化学品的安全(修订二)

Fabrics: Safety of Hazardous Dyes and Chemicals (Revision 2)

UL 498M-2020 安全标准船用岸电电源插座

STANDARD FOR SAFETY Marine Shore Power Inlets

BS EN ISO 23611-2:2024 土壤质量 土壤无脊椎动物采样 第2部分：微型节肢动物（跳虫和螨）的采样和提取

Soil quality — Sampling of soil invertebrates Part 2: Sampling and extraction of micro-arthropods (Collembola and Acarina)