Browse Standards
4355+ standards in database
4355 result(s) found
土壤质量 野外土壤描述
Soil quality—Field soil description
土壤碳酸盐含量的测定 气量法
Determination of carbonate content of soil—Volumetric method
基于项目的温室气体减排量评估技术规范 生物天然气工程
Technical specification at the project level for assessment of greenhouse gas emission reduction—The biomethane engineering
土壤总碳、总氮、总硫含量的测定
Determination of total carbon, nitrogen and sulfur in soil
土壤有效态汞的测定
Determination of available mercury in soil
数字土壤制图 土壤类型预测性制图规范
Digital soil mapping—Specifications for predictive mapping of soil types
土壤全量硅、铝、铁、钾、钠、钙、镁、锰、磷、钛、硫的测定 单波长激发-能量色散X射线荧光光谱法
Determination of total silicon,aluminum,iron,potassium,sodium,calcium,magnesium,manganese,phosphorus,titanium and sulfur of soil—Monochromatic excitation energy-dispersion X-ray fluorescence spectrometry
土壤有效硼的测定
Determination of available boron in soil
智慧城市基础设施 智慧交通 通过优化运行速度实现节能运营指南
Smart community infrastructures—Smart transportation—Guidance for energy saving operation by optimization of operating speed
智慧城市基础设施 智慧交通 交通运输服务节能通则
Smart community infrastructures—Smart transportation—General principles for energy saving in transportation services
压水堆核电厂反应堆堆腔辐射漏束屏蔽设计分析
Design analysis of cavity radiation streaming shielding for pressurized water reactor nuclear power plants
压燃式发动机和装用压燃式发动机的车辆排气可见污染物限值及测试方法
Limits and measurement methods for exhaust visible pollutants from compression ignition(C.I.) engines and vehicles equipped with C.I. engines
手提式灭火器通用技术条件
General specifications for portable fire extinguishers
手提式水型灭火器
Portable water fire extinguishers
手提式化学泡沫灭火器
Portable chemical foam fire extinguishers
手提式1211灭火器
Portable 1211 fire extinguishers
手提式干粉灭火器
Portable dry powder fire extinguishers
农用污泥中污染物控制标准
Control standards for pollutants in sludges from agricultural use
消火栓连接器
Hydrant connector
家用和类似用途电器的安全 第一部分: 通用要求
Part 1: Safety of household and similar electrical appliances General requirements