HJ 546-2015.Ambient air- Determination of phosphorus pentoxide一Molybdenum blue spectrophotometric method.1适用范围HJ 546规定了测定环境空气中五氧化二磷的抗坏血...
HJ 780-2015.Soil and sediment Determination of inorganic element-Wavelength dispersive X-ray fluorescence spectrometry.1适用范围HJ 780规定了测定土壤和沉积物中25种无机...
YD 5198-2014.Provisional Acceptance Specifications for IP Multimedia Subsystem Core Network Engineering.1总则1.0.1 为适应IMS核心网工程建设的需要,加强工程管理,做...
YD 5174-2015.Acceptance Specifications for TD-SCDMA Digital Cellular Mobile Communication System Engineering.1总则1.0.1YD 5174规范是2GHz TD-SCDMA数字移动通信设备安装工...
YD 5173-2015.Acceptance Specifications for WCDMA Digital Cellular Mobile Communication System Engineering.1总则1.0.1YD 5173适用于数字蜂窝移动网WCDMA工程的验收,是施工...
YD 5125-2014.Supervision Specification of Installation Engineering for Communication Equipment.1总则1.0.1为规范通信设备安装施工的监理工作,特制定YD 5125。1.0.2Y...
YD/T 1484.4-2017.Measurement method for radiated RF power and receiver performance of wireless device Part4: WCDMA wireless device.1范围YD/T 1484.4规定了WCDMA无线终端空间射...
YD/T 841.7-2017.Plastic duct for telecommunication underground conduit-Part7:Honeycomb typeduct.1范围YD/T 841.7规定了地下通信管道用塑料蜂窝管(以下简称为蜂窝管...
YD/T 814.1-2013.Closure for optical fiber cables Part 1:Closure for outdoor optical fiber cables.1范围YD/T 814.1规定了室外光缆接头盒的产品分类和命名、要求、试...
YD 5205-2014.Provisional Supervision Specifications on Energy Saving and Environment Protection for Telecommunication Construction Engineering.1总则1.0.1 YD 5205规定适用于新建...










