| 1. | Specification for metal insert fittings utilizing a copper crimp ring for sdr9 cross - linked polyethylene tubing
Sdr9交链聚乙烯管用卷制铜环的金属插件标准规范 |
| 2. | Specification for metal insert fittings for polyethylene aluminum polyethylene and crosslinked polyethylene aluminum crosslinked polyethylene composite pressure pipe
聚乙烯铝聚乙烯和交联聚乙烯铝交联聚乙烯复合压力管用金属内插件规范 |
| 3. | It also overcomed the dificulty to realize characteristics bpf with fractional bandwidth greater than about 5 % in the form of multi - metal insert waveguide filter
既提高了滤波器的阻带性能，又避免了单纯的多膜片结构能实现的滤波器带宽较小的缺点。 |
| 4. | Standard specification for metal insert fittings for polyethylene aluminum polyethylene and crosslinked polyethylene aluminum crosslinked polyethylene composite pressure pipe
聚乙烯铝聚乙烯和交联聚乙烯铝交联聚乙烯复合压力管用金属内插配件标准规范 |
| 5. | A novel e - plane metal insert waveguide filter is presented in this paper . comparing to conventional e - plane waveguide filter , great improvments have been made in stop - band attenuation of a bpf
为了提高e面全金属膜片矩形波导滤波器的阻带性能，本文对滤波器的结构做了改进，采用了混合膜片的形式。 |
