牛源性材料 的英文怎麼說

中文拼音 [niúyuánxìngcáiliào]
牛源性材料 英文
cattle-derived material
  • : 名詞1. (哺乳動物) cattle; ox 2. (姓氏) a surname
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 名詞1 (木料) timber 2 (泛指可以直接製成成品的東西; 材料) material 3 (供寫作或參考的資料) ma...
  • : 名詞1 (材料; 原料) material; stuff 2 (喂牲口用的穀物) feed; fodder 3 (料器) glassware 4 (...
  • 材料 : 1. (原料) material 2. (資料) data; material 3. (適于做某種事的人才) makings; stuff
  1. This thesis studied on bacillus thuringiensis strain bt886 which was separated and selected by researchers of our laboratory. according to the observation of crystal shape and the bioassay of motschulsky and fairmaire, bacillus thuringiensis strain bt886 was identified as cry3 type, and the conclusion was assured by the further study on molecular level. the 1956 base pairs full lengrh homological cry3aa gene which was toxic to motschulsky was cloned and sequenced

    以該菌株為,克隆出了對光肩星天( anoplophralabripennis ( motsch . ) )具有毒殺作用的cry3aa同基因,並且對該基因進行了人工改造、人工合成、大腸桿菌表達、生物活測定、雙元表達載體的構建以及對楊樹的轉化等一系列研究,主要結果如下: ( 1 )顯微觀察該菌株所形成的伴孢晶體為方形。
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