结构群

Random amplified polymorphic DNA markers were used to measure genetic diversity and genetic structure of 150 individuals from 5 natural populations of Carya cathayensis. 252 loci were identified from 20 RAPD primers, out of which 168 loci were polymorphic and accounted for 66.7% of the total genetic diversity at species level.

利用随机扩增多态性DNA分子标记技术，分析了山核桃5个天然居群150个个体的遗传多样性和遗传结构，20条10bp的随机引物共扩增出252个位点，其中，多态性位点168个，多态位点百分率为66.7%。

Random amplified polymorphic DNA markers were used to measure genetic diversity and genetic structure of 3 natural populations of Carya dabieshanensis .238 loci were identified by 20 RAPD primers,out of which 162 loci were polymorphic and accounted for 68.1% of the total genetic diversity at species level.

摘 要：利用RAPD分子标记技术检测了大别山山核桃3个天然居群的遗传多样性和遗传结构。20条10bp随机引物共检测到238个扩增位点，其中多态性位点162个，多态位点百分率为68.1 %。

In the forth chapter, we study some arithmetical conditions on the size of conjugacy classes of a finite group.

第四章讨论共轭类结构的一些算术性质，在多种情况下对有限群G的共轭类长的集合cs证明了关系|cs|≤2·k~*+1成立，其中k~*：=？

In the forth chapter, we study some arithmetical conditions on the size of conjugacy classes of a finite group. And showed that |cs|≤2k~*+1 in many cases, where k~*:=?

第四章讨论共轭类结构的一些算术性质，在多种情况下对有限群G的共轭类长的集合cs证明了关系|cs|≤2·k~*+1成立，其中k~*：=？

The phylogenetic analyses revealed three groups within Cyprinidae. The subfamily Danioninae was on the base, Barbine and Leuciscine formed sister group.

系统发育树的拓扑结构显示鲤科鱼类分为三个类群，波鱼类群位于系统树的基部，鲃系与雅罗鱼系互为姊妹群。

Caragana jubata Ass.and Dasiphora fruticosa Ass.in subalpine zone are the chief ingredients.The height,structure and species composition of shrub are affected by water,temperature and wind.

灌丛的形成受人类活动以及环境条件的影响，在环境条件中水分、温度和风对灌丛的高度、群丛的结构、种类组成均有影响。

Random amplified polymorphic DNA markers were used to assess the genetic diversity and population structure in eight natural populations of Elymus sibiricus L.

利用RAPD标记对来自青藏高原东南部川西北高原的8个老芒麦自然居群的遗传多样性和群体遗传结构进行了分析和评价。

The crystal is monoclinic,space group 〓, the ligand coordinates to Ni acetate in the enolic form,and produces a square complex.

单晶的结构是：晶体属于单斜晶系，空间群为〓，镍原子位于平面四方形配位中心，配体分子是以内式的烯醇式向镍原子配位的。

When any impairment occurs, the barrier can no longer exist and may result in enterogenous infection and multiple system organ failure and the burn patient may be in a serious state.

结果：完整的胃肠粘膜屏障应包括胃肠道完整的解剖结构，正常的生物菌群和健全的免疫功能，一方受到损害，胃肠屏障即不存在，直接后果是肠源性感染和多脏器功能不全综合征的发生，烧伤旋即进入持续性危重状态。

Genetic diversity and population genetic structure of Excoecaria agallocha, a typical mangrove associate species, were surveyed at divergent habitats.

选取半红树植物——海漆作为研究对象，采用简单重复序列分子标记技术，对不同地理位置、不同生境海漆居群的遗传多样性及遗传结构进行研究。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。