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Number of entries (Data is updated on a monthly basis): 46642
Weiter Weiter| 38751 - 38760 | 38761 - 38770|38771 - 38780 |Weiter Weiter

GB/T 7488-1987

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

GB/T 11893-1989

水质 总磷的测定 钼酸铵分光光度法

Water quality--Determination of total phosphorus--Ammonium molybdate spectrophotometric method

GB/T 11310-1989

压电陶瓷材料性能测试方法 相对自由介电常数温度特性的测试

Test methods for the properties of piezoelectric ceramics--Test methods for temperature characteristics of relative free dielectric constants

GB/T 9801-1988

空气质量 一氧化碳的测定 非分散红外法

Air quality--Determination of carbon monoxide--Non-disperisive infrared spectrometry

GB 19060-2003

销毁日本遗弃在华化学武器大气污染物排放标准(试行)

Emission regulationof air pollutants for destruction of chemical weapons abandoned in China by Japan

GB/T 2261.6-2003

个人基本信息分类与代码 第6部分: 人大代表、政协委员代码

Classificationand codes of basic personal information--Part 6: Codes of deputy to National People’s Congress or member of Political Consultative Conference

GB/T 9531.2-1988

A 类瓷件技术条件

Specification for ceramic parts,type A

GB 19059-2003

销毁日本遗弃在华化学武器工作区空气中污染物浓度标准(试行)

Regulation for concentration of pollutants in the workplace air for destruction of chemicalweapons abandoned in China by Japan

GB/T 11220.1-1989

土壤中铀的测定 CL-5209 萃淋树脂分离2-(5-溴-2-吡啶偶氮)-5-二乙氨基苯酚分光光度法

Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry

GB/T 4961-1999

广播报时信号

Time signal in radio broadcasting

Number of entries (Data is updated on a monthly basis): 46642
Weiter Weiter| 38751 - 38760 | 38761 - 38770|38771 - 38780 |Weiter Weiter