pyrethrin

常見例句

It is mainly pyrethrin (pyrethroid) with 50 percent in the insecticides.
它們多屬擬除蟲菊酯類農(nóng)藥,占總數(shù)的50%25;
A synthetic clear or amber - colored viscous insecticide, C19H26O3, similar to pyrethrin.
丙烯除蟲菊酯一種合成的透明或琥珀色粘性殺蟲劑，C19H26O3，與除蟲菊酯相似
A synthetic clear or amber-colored viscous insecticide, C19H26O3, similar to pyrethrin.
丙烯除蟲菊酯一種合成的透明或琥珀色粘性殺蟲劑，c19h26o3，與除蟲菊酯相似
A synthetic clear or amber - colored viscous insecticide,C19H26O3,similar to pyrethrin.
為了紀念結(jié)婚三周年，馬克給妻子買了一條琥珀項鏈。
Pyrethrin is a leader, the future will be the coverage of debugging, weeding, sterilization of the three series of integrated pesticide companies.
公司是除蟲菊酯的龍頭，未來將成為覆蓋除蟲、除草、殺菌三大系列的綜合性農(nóng)藥公司。
Abstract: In the conventional analysis of pyrethrin residues,the extractions are treated for purification by method of abstraction for many times.
中文摘要: 報道了一種蔬菜擬除蟲菊酯類農(nóng)藥殘留量的簡便分析法。