Ant Spec ies D iversity on Ea st Slope of YunlingMounta in in Northwestern Yunnan/滇西北云岭东坡蚂蚁物种多样性研究
郭萧, 徐正会, 杨俊伍, 史胜利, 李巧 - Lin Ye Ke Xue Yan Jiu, 2007 - search.proquest.com
: 采用样地调查法研究了滇西北云岭东坡5 个垂直带和10 个水平带32 块样地的蚂蚁群落与物种
多样性. 物种数目为1~ 17 种, 个体密度为4. 0~ 368. 0 头· m-2, 优势度指数为0. 223~ 1. 000, 物种…
多样性. 物种数目为1~ 17 种, 个体密度为4. 0~ 368. 0 头· m-2, 优势度指数为0. 223~ 1. 000, 物种…
[PDF][PDF] Waveguide flanges for ALMA instrumentation
… In many waveguide bands more than one MIL Spec standard flange is available. Flat and
anti-cocking flanges, compatible with certain MIL Spec flanges, are increasingly widely used. …
anti-cocking flanges, compatible with certain MIL Spec flanges, are increasingly widely used. …