251 GB/T 11250.4-1989 复合金属覆铝层厚度的测定 重量法 Method for measuring thickness of aluminium-coated layer on composite metal-The gravimetric method 252 GB/T 11293-1989 固体激光材料名词术语 Terms and definitions of solid-state laser materials 253 GB/T 11295-1989 激光晶体棒型号命名方法 Designation for laser crystal rods 254 GB/T 11296-1989 红外探测材料型号命名方法 Designation for infrared detecting materials 255 GB/T 11297.1-1989 激光棒波前畸变的测量方法 Test method for wavefront distortion of laser rods 256 GB/T 11297.2-1989 激光棒侧向散射系数的测量方法 Test method for side direction scattering coefficient of laser rods 257 GB/T 11297.3-1989 掺钕钇铝石榴石激光棒消光比的测量方法 Test method for extinction ratio of Nd: YAG laser rods 258 GB/T 11297.4-1989 掺钕钇铝石榴石激光棒长脉冲激光阈值及斜率效率的测量方法 Test method for normal pulse lasing threshold and slope efficiency of Nd: YAG laser rods 259 GB/T 11297.5-1989 掺钕钇铝石榴石激光棒连续激光阈值、斜率效率和输出功率的测量方法 Test method for continous lasing threshold, slope efficiency and output power of Nb: YAG laser rods 260 GB/T 11297.6-1989 锑化铟单晶位错蚀坑的腐蚀显示及测量方法 Standard method for showing and measuring dislocation etch pits in indium antimonide single cryatal 261 GB/T 11297.7-1989 锑化铟单晶电阻率及霍耳系数的测试方法 Test method for resistivity and hall coefficient indium antimonide single crystals 262 GB/T 11297.8-1989 热释电材料热释电系数的测试方法 Test method for pyroelectric coefficient of pyroelectric materials 263 GB/T 11297.9-1989 热释电材料介质损耗角正切 tanδ的测试方法 Test method for dielectric tangent of loss angle of pyroelectric material 264 GB/T 11297.10-1989 热释电材料居里温度 Tc 的测试方法 Test method for curie temperature of pyroelectric materials 265 GB/T 11297.11-1989 热释电材料介电常数的测试方法 Test method for the dielectric constant of pyroelectric materials 266 GB/T 11297.12-1989 电光晶体铌酸锂、磷酸二氢钾和磷酸二氘钾消光比的测量方法 Test method for extinction ratio of LN, KDP and KDP electrooptic crystal 267 GB/T 11300-1989 电子设备用A 类调谐可变电容器空白详细规范 Blank detail specification for variable tuning capacitors type A in electronic equipments 268 GB/T 11301-1989 电子设备用装有整体C 类预调电容器的A 类调谐可变电容器空白详细规范 Blank detail specification for variable tuning capacitors type A fitted with integral preset capacitors type C in electronic equipments 269 GB/T 11302-1989 电子设备用B 类微调可变电容器空白详细规范 Blank detail specification for variable trimmer capacitors type B in electronic equipments 270 GB/T 11303-1989 电子设备用C 类预调可变电容器 空白详细规范 Blank detail specification for variable preset capacitors type C in electronic equipments 271 GB/T 11305-1989 电子设备用固定电容器 分规范: 3 类瓷介电容器 (可供认证用) Fixed capacitors for use in electronic equipment-Sectional specification: Fixed capacitors of ceramic dielectric, class 3 272 GB/T 11306-1989 电子设备用固定电容器 空白详细规范: 3 类瓷介电容器 评定水平 E (可供认证用) Fixed capacitors for use in electronic equipment-Blank detail specification: Fixed capacitors of ceramic dielectric, class 3-Assessment level E 273 GB/T 11309-1989 压电陶瓷材料性能测试方法 纵向压电应变常数 d33的准静态测试 Test methods for the properties of piezoelectric ceramics-Quasi-static test for piezoelectric strain content d33 274 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 275 GB/T 11311-1989 压电陶瓷材料性能测试方法 泊松比бE的测试 Test methods for the properties of piezoelectric ceramics test for Poisson's ratio 276 GB/T 11312-1989 压电陶瓷材料和压电晶体声表面波性能测试方法 Test methods for SAW properties of piezoelectric ceramics and crystals 277 GB/T 11313-1996 射频连接器 第1部分: 总规范 一般要求和试验方法 Redio-frequency connectors--Part 1: Generic specification--General requirements and measuring methods 278 GB/T 11320-1989 压电陶瓷材料性能测试方法 低机械品质因数压电陶瓷材料性能的测试 Test methods for the properties of piezoelectric ceramics material with the low mechanical quality factor 279 GB/T 11321-1989 波导元件模数尺寸选择指南 Guide for choosing modular dimensions for waveguide components 280 GB/T 11323-1989 电缆分配系统用单同轴电缆一般要求和试验 General requirements and tests for single-unit coaxial cables for use in cabled distribution systems 281 GB/T 11387-1989 压电陶瓷材料静态弯曲强度试验方法 Testing method for static flexural strength of piezoellectric ceramics 282 GB/T 11433-1989 磁性氧化物制成的管、针、柱磁芯的尺寸 Dimensions of tubes, pins and rods of ferromagnetic oxides 283 GB/T 11435-1989 铁氧体交流消音头磁芯 Ferrite cores for AC erasing heads 284 GB/T 11436-1989 软磁铁氧体材料成品、半成品化学分析方法 Chemical analysis methods for products and semifinished products made of soft ferrite materials 285 GB/T 11437-1989 广播接收机天线用铁氧体磁芯分规范 (可供认证用) Ferrite cores used in broadcast receiver aerials sectional specification 286 GB/T 11438-1989 广播接收机天线用铁氧体磁芯空白详细规范 评定水平 A (可供认证用) Ferrite cores used in broadcast recever aerials blank detail specification-Assessment level A 287 GB/T 11441-1989 通信和电子设备用变压器和电感器铁心片 Laminations for transformers and inductors for use in telecommunication and electronic equipment 288 GB/T 11449.1-1989 波导法兰盘 第一部分: 一般要求 Flanges for waveguides-Part 1: General requirements 289 GB/T 11449.2-1989 波导法兰盘 第二部分: 普通矩形波导法兰盘规范 Flanges for waveguides-Part 2: Relevant specification for flanges for ordinary rectangular waveguides 290 GB/T 11449.3-1989 波导法兰盘 第三部分: 扁矩形波导法兰盘规范 Flanges for waveguides-Part 3: Relevant specifications for flanges for flat rectangular waveguides 291 GB/T 11449.4-1989 波导法兰盘 第四部分:圆形波导法兰盘规范 Flanges for waveguides-Part 4: Relevant specification for flanges for circular waveguides 292 GB/T 11449.5-1989 波导法兰盘 第六部分: 中等扁矩形波导法兰盘规范 Flanges for waveguides-Part 6: Relevant specification for flanges for medium flat rectangular waveguides 293 GB/T 11449.6-1989 波导法兰盘 第七部分: 方形波导法兰盘规范 Flanges for waveguides-Part 7: Relevant specification for flanges for square waveguides 294 GB/T 11450.1-1989 空心金属波导 第一部分: 一般要求和测量方法 Hollow metallic waveguides-Part 1: General requirement and measuring methods 295 GB/T 11450.2-1989 空心金属波导 第二部分:普通矩形波导有关规范 Hollow metallic waveguides-Part 2: Relevant specifications for ordinary rectangular waveguides 296 GB/T 11450.3-1989 空心金属波导 第三部分: 扁矩形波导有关规范 Hollow metallic waveguides-Part 3: Relevant specifications for flate rectangular waveguides 297 GB/T 11450.4-1989 空心金属波导 第四部分: 圆形波导有关规范 Hollow metallic waveguides-Part 4: Relevant specifications for circular waveguides 298 GB/T 11450.5-1989 空心金属波导 第六部分: 中等扁矩形波导有关规范 Hollow metallic waveguides-Part 6: Relevant specifications for medium flat rectangular waveguides 299 GB/T 11450.6-1989 空心金属波导 第七部分: 方形波导有关规范 Hollow metallic waveguides-Part 7: Relevant specifications for square waveguides 300 GB/T 11451-1989 软波导组件性能 Flexible waveguide assembly performance (出处:转载) |