附加体

附加体是能插入寄生细胞连续的染色体之中，也能以自主实体而存在的一种附加遗传因素。

Episome is an additional genetic element that can exist either as an autonomous entity or be inserted into the continuity of the chromosome of a host cell .

改良的碱裂解法提取动物细胞附加体DNA

A modified alkaline lyses protocol for extracting episomal DNA from the mammalian cells

在G418减半维持下（250μg/ml），观察了COS7细胞形成稳定抗性克隆之后3个月内tPA的表达水平及细胞内附加体拷贝数的变化。

The changing trends of the t-PA production rate and episomal copy number were observed for another three months after the formation of stable resistant colonies , which were maintained as a cell pool under half of the previous pressure of G418 ( 250 μ g / ml ) .

当晚白垩统沉积岩固结之后，1σ为近于水平方向的压应力，逆断层发育于楔形附加体顶部。

However ,σ 1 is compressive and subhorizontal and thrust faults develop at the toe of the wedge for the well consolidated sediments .

目的长期观察脾切除术附加门体分流术治疗血吸虫病肝硬化门静脉高压症的效果。

Objective To observe the long-term effect of splenectomy in combination with portosystemic shunt in the treatment of portal hypertension due to schistosomiasis .

小体积移植肝损伤机制及附加门体分流术保护措施实验研究

The Study of Mechanism of Graft Injury in Small-for-Size Liver Transplantation and the Graft Protection of Affiliating Portosystemic Shunt in Bama Miniature Pigs

斜拉桥索梁锚固区附加弯矩对梁体受力的影响

The Affection of Additional Moment to the Stress in Beam in the Zone of Anchorage of Cable - stayed Bridge

曾俊华在周末表示：我们认识到，由于我们的经济体在向更高附加值的经济体转型，可能会在这里那里出现一些不协调的地方，进而可能会影响到一些收入较低的人群。

We realise that because of the change in our economy going into a higher value-added economy that there may be some mismatches here and there and that may affect some of the lower level occupations , John Tsang said at the weekend .

锚箱式索梁锚固结构中索力产生的附加弯矩对梁体受力的影响、以及通过减小弯矩来控制该区域应力的方法是否有效，是值得研究的问题。

In anchor box structure , the problem of the affection to the stress in beam of additional moment produced by the force in cable , and the effect of the method of reducing the moment to control the stress , are worthy of studying .