YG had lower resistance and the corresponding RR was 7 -, 14 -, 21 - fold.

YG品系对拟除虫菊酯的抗性水平较低,抗性分别为7 、 14和21倍.

互联网

The formation mechanism of thermal shock fatigue crack of cemented carbide YG 10 was investigated.

研究了YG10硬质合金热冲击疲劳裂纹的形成机制.

互联网

In standard condition, make friction on the sample cardedand woven fabrics by YG 501 pilling tester . 6.

在标准状态下, 用YG501起毛起球仪对机织物试样摩擦起球.

互联网

This article introduces the main function, working principle and action of YG 131 capacitance - type yarn evenness tester.

介绍了YG131电容式条干仪的主要性能 、 工作原理及作用.

互联网

Composite adaptor of YG 15 C and 45 # steel have been maunfactured by HIP sintering connecting method.

用热等静压烧结-连接法获得了YG15C与45 # 钢的复合接头.

互联网