无

Let G be a finite group, and S a subset of G not containing theidentity element 1. The Cayley digraph Cay on G with respect to S is definedas a directed graph with vertex set G and edge set {|g∈G, s∈S}. IfS~(-1)=S, then Cay is undirected and in this case, we view two directededges and as an undirected edge {u, v}. Obviously, the right regularrepresentation R of G, the acting group of G by right multiplication, is asubgroup of the full automorphism group AutCay(G, S of Cay.

给定有限群G，设S是G的不含单位元1的子集，群G关于子集S的Cayley有向图Cay是一个以G顶点集合，而以｛|g∈G，s∈S｝为边集合的有向图，特别地，若S~(-1)=S，则X=Cay是无向的，此时我们把一条无向边｛u，v｝等同于两条有向边和，易见，群G的右正则表示R，即G在G上的右乘作用，为图Cay的全自同构群AutCay

E. when selcetion is not favourable to Aa and aa, the fitness is smaller after fusion than that before fusion in sex-linded inheritance and no change in autosome inheritance. In overdominance, i.

无显性且为常染色体遗传时，群体融合对平均适应力无影响，而伴性遗传时导致平均适应力下降。

Humanity has always had a strange avidity for unusual sexual postures, and if a man likes to use his wife, as Benvenuto Cellini says, 'in the Italian way', well that is a matter of taste.

人类一向就是婪无厌地探究着性交的特殊姿式的，假如一位丈无喜欢和他的女人"意大利式"地一如赛凌尼的说法一尽情尽意，又有什么不可呢，那不过是嗜好的问题罢了。

Ever in motion, blithesome an cheery, still climbing heavenward, never aweary: clad of all weathers, still seeming best, upward or downward motion thy rest; full of a nature nothing can tame, changed every moment, ever the same; ceaseless aspiring, ceaseless content, darkness or sunshine thy element; glorious fountain!

常在动中，载愉载恬，永欲摩天，不知疲倦；不分晴雨，总觉欢乐，或上或下，动中休息；精力充沛，不屈不挠，刻刻变化，不改其操；不断亢杨，不断满足，无昼无夜，一元太极；灿哉喷泉，我心榜样，新颖多变，恒走向上！

In group A, the hemoglobin decline was steeper in patients receiing zidoudine azidothymidine ,-3.64 g/dL s.

A组中，接受齐多夫定治疗的患者的血红蛋白降低程度更明显（AZT：-3.64 g/dL，无AZT：-2.08 g/dL），齐多夫定治疗患者还多见贫血相关性RB减量（AZT：60%，无AZT：16%）。

In the light of the trapezoidal back electromotive force and square phase current of brushless DC motor,a novel strategy of matrix converter driving BLDCM is presented in this paper.

针对无刷直流电机反电势为梯形波、相电流为方波的特点，提出一种用于驱动无刷直流电机的矩阵变换器的控制策略。

The key points of sensorless technology in PMBLDCM are to study a method which can detect rotor position accurately by simply method in whole speed range. After analyzing current sensorless methods of the PMBLDCM, it is found that those methods are successful at middle and high speed, but they often fail to detect rotor position at low speed when the back electromotive force is small or zero.

纵观目前的永磁无刷直流电机的无位置传感器控制方法，比较成熟而可行的方法多集中于电机在中高速区域运行时，能够较准确估计转子位置；电机处于低速、极低速、静止状态时电加热管，因为反电动势幅值较小或者为零，而无法正常工作。

Results摘要: The incidence rates of renal dysfunction, shock, cardiovascular failure and gastrointestinal hemorrhage, the score of acute physiology and chronic health evaluation Ⅱ and the frequencies of pulse and breath in the severe hypoalbuminemia group were all higher than those in the mild hypoalbuminemia group (P＜0.05 or P＜0.01). The differences of incidence rate of hepatic failure and the scores of Ranson and Balthazar CT between these two groups had no statistical significance (P＞0.05). The incidence rate of infection and the mortality in the severe hypoalbuminemia group were higher than those in the mild hypoalbuminemia group (P＜0.01) in the later stage of SAP.

结果摘要：重度低白蛋白血症组肾功能衰竭、休克、心衰及消化道出血的发生率高于轻度低白蛋白血症组（P＜0.01，肝功能衰竭发生率两组比较无统计学差异；Ranson评分及Balthazar CT评分两组间比较，差异无统计学意义（P＞0.05）；重度低白蛋白血症组的急性生理和慢性健康评价指标Ⅱ（acute physiology and chronic health evaluationⅡ， APACHEⅡ）评分、脉搏和呼吸频率均明显高于轻度低白蛋白血症组（P＜0.05或P＜0.01；重度低白蛋白血症组后期感染发生率及病死率均高于轻度低白蛋白血症组

The differences of incidence rate of hepatic failure and the scores of Ranson and Balthazar CT between these two groups had no statistical significance (P＞0.05). The incidence rate of infection and the mortality in the severe hypoalbuminemia group were higher than those in the mild hypoalbuminemia group (P＜0.01) in the later stage of SAP. Conclusion: Hypoalbuminemia in the early stage can accelerate the deterioration in pathophysiology of SAP.

结果：重度低白蛋白血症组肾功能衰竭、休克、心衰及消化道出血的发生率高于轻度低白蛋白血症组（P＜0.01，肝功能衰竭发生率两组比较无统计学差异；Ranson评分及Balthazar CT评分两组间比较，差异无统计学意义（P＞0.05）；重度低白蛋白血症组的急性生理和慢性健康评价指标Ⅱ（acute physiology and chronic health evaluationⅡ， APACHEⅡ）评分、脉搏和呼吸频率均明显高于轻度低白蛋白血症组（P＜0.05或P＜0.01；重度低白蛋白血症组后期感染发生率及病死率均高于轻度低白蛋白血症组

Results: The incidence rates of renal dysfunction, shock, cardiovascular failure and gastrointestinal hemorrhage, the score of acute physiology and chronic health evaluation Ⅱ and the frequencies of pulse and breath in the severe hypoalbuminemia group were all higher than those in the mild hypoalbuminemia group (P＜0.05 or P＜0.01). The differences of incidence rate of hepatic failure and the scores of Ranson and Balthazar CT between these two groups had no statistical significance (P＞0.05). The incidence rate of infection and the mortality in the severe hypoalbuminemia group were higher than those in the mild hypoalbuminemia group (P＜0.01) in the later stage of SAP.

结果：重度低白蛋白血症组肾功能衰竭、休克、心衰及消化道出血的发生率高于轻度低白蛋白血症组（P＜0.01，肝功能衰竭发生率两组比较无统计学差异；Ranson评分及Balthazar CT评分两组间比较，差异无统计学意义（P＞0.05）；重度低白蛋白血症组的急性生理和慢性健康评价指标Ⅱ（acute physiology and chronic health evaluationⅡ， APACHEⅡ）评分、脉搏和呼吸频率均明显高于轻度低白蛋白血症组（P＜0.05或P＜0.01；重度低白蛋白血症组后期感染发生率及病死率均高于轻度低白蛋白血症组

And discuss some key point of integrated management system design, include hazard identification and risk assessment and risk control in the occupational health and safety management, the measure of satisfaction target of customer, the flawlessness of law system, the integration of the integrated management system and enterprise standardization system, unify lead institution and work orgnization, integreted internal audit and integrated management review.

同时，论述了一体化管理体系构建中的几个主要问题，包括职业健康安全管理中的危险源辨识、风险评价和风险控制、顾客满意度的科学监测、法律、法规体系的完善、一体化管理体系与企业标准化体系的有机结合、统一的领导机构和工作机构、一体化的内部审核和管理评审。

Deepwater Taranaki is investigated for its petroleum potential, using all available seismic data tied to shallow-water wells.

运用与浅水井相关的现有全部震波探测数据考察了深海区塔拉纳基盆地的油藏前景。