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ameliorant n.起改良作用的東西;土壤改良劑。

ameliorate

France lesaffre group company is one of the world famous multinational , who is founded 1853 that 150 years before and now is in the leadership in world yeast area , the yeast and baking ameliorant and extract yeast are the leadership in the world , and the malt is the leadership in the world 法國樂斯福(集團)公司是世界上著名的跨國公司之一,創建于1853年,在食品酵母領域處于世界領先地位,樂斯福集團酵母及烘焙改良劑居世界領先地位,酵母精居世界領先地位,麥芽居世界領先地位。

France lesaffre group company is one of the world famous multinational , who is founded 1853 that 150 years before and now is in the leadership in world yeast area , the yeast and baking ameliorant and extract yeast are the 1st in the world , and the malt is the 3rd in the world 法國樂斯福(集團)公司是世界上著名的跨國公司之一,創建于1853年,在食品酵母領域處于世界領先地位,樂斯福集團酵母居世界前列,烘焙改良劑居世界前列,酵母精居世界前列,麥芽居世界前列。

Using potted trial , the soil heavy metal lead pollution influences on maize plant growth were studied under lime ameliorant condition 摘要采用盆栽試驗,研究了在施用石灰改良的條件下,土壤重金屬鉛污染對玉米生長的影響。