順式雙鍵 的英文怎麼說

中文拼音 [shùnshìshuāngjiàn]
順式雙鍵 英文
cis-double bonds
  • : Ⅰ介詞1 (向著同一個方向) in the same direction as; with 2 (依著自然情勢; 沿著) along; in the d...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • : Ⅰ形容詞1 (兩個) two; twin; both; dual 2 (偶數的) even 3 (加倍的) double; twofold Ⅱ量詞(用...
  • : 名詞1 [機械工程] (使軸與齒輪、皮帶輪等連接並固定在一起的零件) key 2 [書面語] (插門的金屬棍子)...
  1. An effort to engineering plants with elevated aba levels and subsequent stress tolerance has been shown that 9 - cis - epoxycarotenoid dioxygenase ( nced ) is a key enzyme in abscisic acid biosynthesis under drought - stressed conditions. plants overexpressing nced showed an improvement in drought tolerance. however, plants maybe have not good growth with too high level of aba in the plant body

    目前通過提高aba水平來提高植物的逆境脅迫耐力的研究表明9 ?環氧類胡蘿卜素加氧酶( nced )是乾旱脅迫下aba合成中的關酶,並且超表達nced基因可以提高植株的抗旱性;但是如果植物體內積累過多的aba可能會對植物生長造成不良影響。
  2. Abstract : the preparation conditions of unsaturated polyester ( up ) resins modified by pet were introduced in this paper. the copolymerization mechanisms of the synthesis of up resins from cis - and trans - anhydride were researched. the relationship between the modified resins activities and the structure of unsaturated acids were also discussed. the reason for the differences of the exothermal curves of the two resin systems was that the activity of the cis - and trans - unsaturated bonds was different from each other

    文摘:本文研究了由聚酯改性合成不飽和聚酯樹脂的反應機理和工藝條件,討論了改性樹脂反應活性與不飽和酸結構之間的關系,解釋了、反結構對改性樹脂固化放熱特性和反應活性不同的原因。
分享友人