Охрана природы. Рекультивация земель. Метод измерения и расчета суммы токсичных солей во вскрышных и вмещающих породах
自然保护 土地复耕 上覆层和包围岩石中毒素盐的测量和计算方法

石英晶体元件参数的测量 第4部分：频率达30MHz石英晶体元件负载谐振频率fL和负载谐振电阻RL的测量方法及其他导出参数的计算
Measurement of quartz crystal unit parameters Part 4:Method for the measurement of the load resonance frequency fL,load resonance resistance RL and the calculation of other derived values of quartz crystal units,up to 30 MHz

1999-08-26

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network. Part 4: Method for the measurement of the load resonance frequency fL, load resonance resistance RL and the calculation of other derived values of quartz crystal units, up to 30 MHz
在pi网络中用零相位技术测量石英晶体单元参数 第4部分:负载谐振频率fL、负载谐振电阻RL的测量方法和石英晶体单元（最高30 MHz）其他衍生值的计算方法

1988-06-30

Measurement of quartz crystal unit parameters-Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a π-network
石英晶体单元参数的测量

2000-08-15

用π型网络零相位法测量石英晶体元件参数 第一部分：测量石英晶体元件谐振频率和谐振电阻的基本方法
Measurement of quartz crystal unit parameters by zero phase technique in a π-network--Part 1: Basic method for the measurement of resonance resistance and frequency of quartz crys

1988-01-06

파이 회로망에서 제로 위상법에 의한 수정 진동자 매개 변수 측정 ― 제4부: 최대 30 MHz까지 부하 공진 주파수 f L, 부하 공진 저항 R L 측정 방법 및 기타 수정 진동자 유도값 계산 방법
用π网络零相位技术测量石英晶体元件参数第4部分:30MHz以下石英晶体元件负载谐振频率fl、负载谐振电阻rl的测量方法和其它导出值的计算方法

2018-07-18

파이 회로망에서 제로 위상법에 의한 수정 진동자 매개 변수 측정 ― 제4부: 최대 30 MHz까지 부하 공진 주파수 f L, 부하 공진 저항 R L 측정 방법 및 기타 수정 진동자 유도값 계산 방법
用π网络中的零相位技术测量石英晶体单元参数第4部分:负载谐振频率fL、负载谐振电阻RL的测量方法和30MHz以下石英晶体单元其他导出值的计算

2018-07-18

Measurement of quartz crystal unit parameters-Method for the measurement of the load resonance frequency f_L, load resonance resistance R_L and the calculation of other derived values of quartz crystal units, up to 30 MHz
石英晶体单元参数的测量 负载谐振频率$if$dL、负载谐振电阻$iR$dL的测量方法 以及石英晶体单元的其他导出值的计算方法 最高可达30 MHz

1993-08-15

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network
在Pi网络中通过零相位技术测量石英晶体单位参数 - 第1部分:通过零相位技术在Pi网络中测量石英晶体单元的谐振频率和谐振电阻的基本方法

1986-08-15

Thermal insulation — Building elements — In-situ measurement of thermal resistance and thermal transmittance — Part 2: Infrared method for frame structure dwelling — Amendment 1: Example of calculation of uncertainty analysis
不确定度分析计算实例

2021-06-23

Amendment 1 - Measurement of quartz crystal unit parameters by zero phase technique in a pi-network. Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a pi-network
修改件1-通过π网络中的零相位技术测量石英晶体单元参数 第1部分:用π网络中的零相位技术测量石英晶体单元谐振频率和谐振电阻的基本方法

1999-08-13

Measurement of quartz crystal unit parameters by zero phase technique in a pi-network - Part 4: Method for the measurement of the load resonance frequency f<(Index)L>, load resonance resistance R<(Index)L> and the calculation of other derived values of quartz crystal units, up to 30 MHz (IEC 60444-4:1988); German version EN 60444-4:1997
在pi网络中用零相位技术测量石英晶体元件参数.第4部分:负载谐振频率f<（指数）L>和负载谐振电阻R<（指数）L>的测量方法和30 MHz以下石英晶体元件其他导出值的计算方法（IEC 60444-4）

1997-10-01

Measurement of quartz crystal unit parameters by zero phase technique in a -network - Part 1: Basic method for the measurement of resonance frequency and resonance resistance of quartz crystal units by zero phase technique in a -network (IEC 60444-1:1986 + A1:1999); German version EN 60444-1:1997 + A1:1999
度网络中用零相位技术测量石英晶体元件参数.第1部分:度网络中用零相位技术测量石英晶体元件谐振频率和谐振电阻的基本方法（IEC 60444-1-1986+A1-1999）；德语版EN 6

2000-09-01