Double - wave length ultraviolet spectrophotometry for the determination of MPC and DPU is exact, fast and simple.采用双波长紫外分光光度法测定MPC和DPU的 含量具有准确 、 快速、简便等特点.The concept to realize virtual DPU on general Windows platform us...
TWO NEW SPECIES OF THE GENUS LEPTOTROMBIDIUM FROM JIANGXI, CHINA ( ACARI: TROMBICULIDAE )江西省纤恙螨属二新种 ( 蜱螨亚纲: 恙螨科 )Objective : To illustrate the killing effects avermectin on Leptotrombidium deliense on tropical coral isla...