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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

R.R. Bowker's Books in Print says there are an estimated 60 titles in print about him, with more than a dozen new ones on tap this year.

R.R.Bowker 的在售图书库显示大约有60部和巴菲特有关的书籍，其中有超过12本是今年的新书。

R.R. Bowker, the ISBN agency in the U.S., estimated that 135,000 new books were published in 2001

美国的国际标准书号代理商"R.R。 Bowker"，估计在2001年有13.5万种新书出版

Then one solution would be for Shell to build at P,Esso to build as Q,B.P.as S,and Gulf at T,leaving either Shell or Gulf to build at R;however,if Gulf decides to back out of the whole agreement,then it is clearly impossible for the other three companies to erect the garages in the specified manner.

那么一种解决方法是Shell在P处修建，Esso建在Q处，B.P建在S处，Gulf建在T处，留下一个由Shell或Gulf建在R处；然而如果Gulf退出这一协议(在R和T建汽车修理厂)，则很显然，对其他三家公司来说，无论如何也不可能按照所约定的方式修建汽车修理厂。

This thesis is concerned with the existence and uniqueness of solution, and global attractor's existence of two nonlinear parabolic equations in R 2 and R n.

这篇论文研究了一个R~2和一个R~n上非线性的抛物方程的解的存在性、唯一性、和全局吸引子的存在性。

In 1953 the first tactical missile using a storable propellant (nitric acid and carbon-hydrogen fuel), the R-11, was created with a range of 270 km. The R-11's launch mass was 5.5 tons and the nose cone mass was 0.67 tons.

1953年，第一种使用可贮存推进剂的战术导弹R-11被研制出来，射程270千米。R-11的发射质量是5.5吨，可携带质量为0.67吨的弹头。

Through the experiments on hydration of AH in the following sulphate（Li_2SO_4、MgSO_4 、 Al_2(SO_4)_3 、MnSO_4 、CuSO_4 、CoSO4 、CdSO_4 、ZnSO_4 、NiSO_4 、FeSO_4）, dissoluble sulfate hydrate origining from hydration process of AH affects it's hydrous rate, hydrous rate of AH does not connect with Z/R of cation in stimulation, theory that Z/R affect hydrous rate of AH does not exist. Third, hydration of AH in dissoluble sulfate complies with dissolve-nucleate -grow theory, concentration of Ca~2+ from dissolving of CaSO_4 is higher than one of CaSO_4·2H_2O, calcium sulphate dihydrite gets a motivity of crystallization. dissoluble sulfate takes the following function: double-salt or dissoluble sulfate hydrate from hydration of AH in it becomes heterogeneous particle and a kind of nucleation catalyzer, and reduces surface barrier when DH becomes crystal because the crystal of DH precedently appears in uneven place. Results indicate hydration of AH does not conform with double-salt theory, but it conform with this mechanism: dissolve-nucleate-grow, formation of DH is an uneven nucleation and crystalizaion process.

通过对CaSO_4在Na_2SO_4 、K_2SO_4 、Rb_2SO_4 、Cs_2SO_4 、(NH_4)_2SO_4溶液中水化过程，以及CaSO_4·2H_2O、CaSO_4与以上硫酸盐反应速度、产物的研究，说明复盐理论不正确；CaSO_4在（Li_2SO_4、MgSO_4 、 Al_2(SO_4)_3 、MnSO_4 、CuSO_4 、CoSO_4 、CdSO_4 、ZnSO_4 、NiSO_4 、FeSO_4）溶液中水化，水化过程中硫酸盐水合物的析晶影响着无水硫酸钙水化，与激发剂阳离子Z/R值大小无关，阳离子的Z/R参数影响水化率的规律并不存在； 3、无水硫酸钙在可溶性硫酸盐中的水化按照溶解-成核-生长理论进行，CaSO_4达到溶解平衡时Ca~2+的浓度大于CaSO_4·2H_2O溶解平衡的Ca~2+的浓度，CaSO_4·2H_2O获得结晶的驱动力，可溶性硫酸盐起到形成晶核的作用：水化过程与CaSO_4生成复盐或析出水合物所形成的细小物相，作为异质微粒使母相中存在不均匀性，这些不均匀性有效地降低成核时的表面能位垒，使CaSO_4·2H_2O晶核优先地在这些具不均匀性的地方形成，因此这些物质起成核催化剂作用。

Results:Normal segment:DEM 8.89±1.21mm,VDEM2.30±0.76cm/s;Hypokinetic segment:DEM 4.56±0.53mm,VDEM 1.89±0.35cm/s;Akinetic segment:DEM 2.13±0.45mm,VDEM 0.95±0.07cm/s.There was a significant overall difference in DEM and VDEM (P0.0001)among wall motion grades.1/3 VDEM was greater than 2/3 VDEM in normal(P0.0001)and hypokinetic(P0.05)segments,though 1/3 VDEM was slower than 2/3 VDEM in akinetic segments(P0.0001).There was also high correlation between 1/3 DEM and 1/3DEMF in both normal(r＝0.81,P0.0001,y＝0.75x＋0.16)and OMI(r＝0.91,P0.0001,y＝0.74x＋0.10)groups.Conclusion:Analysis of color kinesis image can quantitatively assess regional and global diastolic function.

结果：运动正常节段：DEM8.89±1.21mm，VDEM2.30±0.76cm/s；运动减弱节段：DEM 4.56±0.53mm，VDEM1.89±0.35cm/s；运动消失节段：DEM2.13±0.45mm，VDEM0.95±0.07cm/s；三种不同室壁运动状态间的DEM、VDEM均存在显著性差异PDEM显著快于2/3VDEM(4.56±1.18cm/s vs 1.26±0.34cm/s，PDEM略快于2/3VDEM2.14±0.66cm/s vs 1.76±0.47cm/s，PDEM显著低于2/3 VDEM(1.23±0.52cm/s vs 1.37±0.30cm/s，P结论：彩色室壁运动技术能定量评价左室局部和整体舒张功能。

The crystal structures have been determined by X-ray diffraction method, which show that the new complex [Co2-Co(2)(0H2)s] belongs to the bridging binuclear complex and the system of monoclinic with space group P211~,unit cell parameters a8.3850(10)A, b=27.386(4) A, c=9.610(2) A,~=98.280(10)~,V=2 183.8(6) A3 , Z=4, Dc=l.746Mg/m3,~i =l.597mm, F(000)=1168, Final R=O.0253 and wR=O.0610 S1.009 ,The two Co2~ are in distorted octahedrons. The part of [2Co] possess an approximate D2d symmetry, while the part of [OCo(2)(0H2)5] has an approximate C2 symmetry.

结构分析表明配合物(1)[Co1，(DPC2-Co(2)(OH2)5]是一个未见报导的桥联双核配合物，属单斜晶系，空间群为P2_1／c，晶胞参数：a=8.3850(10)A，b=27.386(4)A，c=9.610(2)A，β=98.280(10)A，V=2183.8(6)A~3，Dc=1.746Mg／m3，Z=4，μ=1.597mm-1，F(000)=1168，结构偏离因子R=0.0253和ωR=0.0610，吻合因子S=1.009，Co_(1)和Co_(2)的配位多面体皆为扭曲正八面体，[_2Co_(1)]部分具有近似D_(2d)对称性，[OCo(2)(OH_2)5]部分具有近似C_2对称性。

The judge's total reduced score was significantly correlating with those reduced score of push-off r=0.733(superscript *, second fly phaser=0.871(superscript *, and landing r=0.707(superscript *.

四、裁判之总扣分与推撑部分r=0.733(上标*，第二飞程部分r=0.871(上标*，及著地部分r=0.707(上标*之扣分达显著相关。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。