Browse Standards
96587+ standards in database
96587 result(s) found
设备可靠性试验 推荐的试验条件 室内便携设备 粗模拟
Equipment reliability testing--Preferred test conditions indoor portable equipment--Low degree ofsimulation
设备可靠性试验 推荐的试验条件 固定使用在有气候防护场所设备 精模拟
Equipment reliability testing--Preferred test conditions--Equipment for stationary use in weather protected locations--High degree of simulation
滑动轴承薄壁翻边轴瓦尺寸、公差及检验方法
Plain bearings--Thin-walled flanged half bearings--Dimensions， tolerances and methods of checking
润滑脂和润滑油蒸发损失测定法
Petroleum products--Lubricating greases and oils--Determination of evaporation loss
润滑脂铜片腐蚀试验法
Lubricating grease--Corrosiveness to copper--Copper strip test
电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗不同， 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用)
Fixed resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistor of either different resistance values or different rated dissipations--Assessment level E
电子设备用固定电阻器 第六部分:空白详细规范 阻值和功耗相同， 各电阻器可单独测量的固定电阻网络 评定水平 E (可供认证用)
Fixed resistors for use in electronic equipment--Part 6:Blank detail specification--Fixed resistor networks with individually measurable resistors， all of equal value and equal dissipation--Assessment level E
耳语标准频谱
The standard spectrum of whispered Chinese speech
汉语标准频谱
The standard spectrum of Chinese speech
10 kHz～30 MHz无源无线电干扰滤波器和抑制元件抑制特性的测量方法
Methods of measurement of the suppresion characteristics of passive radio interference filters and suppression components over the frequency range of 10kHz to 30MHz
石蜡中稠环芳烃试验法
Paraffin wax--Determination of polynuclear aromatics
水质 氰化物的测定 第一部分:总氰化物的测定
Water quality--Determination of cyanide--Part 1:Determination of total cyanide
水质 总砷的测定 二乙基二硫代氨基甲酸银分光光度法
Water quality--Determination of total arsenic--Silver diethyldithiocarbamate spectrophotometricmethod
水质 氰化物的测定 第二部分:氰化物的测定
Water quality--Determinationof cyanide--Part 2:Determination of cyanide
水质 溶解氧的测定 碘量法
Water quality--Determination of dissolved oxygen--Iodometric method
水质 五日生化需氧量(BOD5)的测定 稀释与接种法
Water quality--Determination of biochemical oxygen demand after 5 days(BOD5)--Dilution and seeding method
水质 阴离子表面活性剂的测定 亚甲蓝分光光度法
Water quality--Determination of anionic surfactants--Methylene blue spectrophotometric method
水质 钙和镁总量的测定 EDTA滴定法
Water quality--Determination of thesum of calcium and magnesium--EDTA titrimetric method
水质 钙的测定 EDTA滴定法
Water quality--Determination of calcium--EDTA titrimetric method
水质 铜、锌、铅、镉的测定 原子吸收分光光度法
Water quality--Determination of copper， zinc， lead and cadmium--Atomic absorption spectrometry