...成一个环状的 G-四方面 (G-quartet),数个G-四方面经由-作用堆叠与五碳糖作为股架可以组成稳定的四股结构(G-quadruplex)。然而人 类的染色体端粒是否有G-四股结构,直到2003 年都还没有得到直接证实。
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阐述加工四股钢叉叉尖的四轴成形机方案设计与结构设计应考虑的问题。
The questions must be considered in developing the plan design and the structure design of the four spindle extrusion press for machining the four teeth steel fork tip are explained and discussed.
血清ck和ldh活性的变化与大鼠股四头肌超微结构的变化相一致。
The changes of serum CK and LDH activity had consistent with ultrastructural changes.
第四个是关于女性流浪的叙述,这种元素结构的中篇小说往往更带有浪漫主义和理想主义倾向,这也给新世纪中篇小说创作带来了一股别样的气息。
Forth is about female wanderer narrative, This kind of novelette always have romantic and idealism tendency, and bring some fresh air into new century literature.
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