谷象

gǔ xiàng
  • calandra;billbug;grain weevil;granary weevil
谷象谷象
谷象[gǔ xiàng]
  1. (2S,3R)-谷象虫聚集信息素的合成然后提取出聚集信息素的有效成分,通过气一质谱联用仪(GC-MS)确定活性物质的化学组分和含量;

    Then the active ingredients of the pheromone were extracted , and their chemical components and contents were analysed by gas chromato-graphy ( GC ) and gas chromatography-mass spectrometry ( GC-MS ) .