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Pitch circle diameter: d = mz = 3X12 = 36 Tooth crown heights: ha = m (f0 + x)= 3X (l +0.5)= 4.5 Tooth High: hf = m (f0 + cx)= 3X (l +0.25-0.5)= 2.25 Tooth full height: h = ha + hf = 4.5 +2.25 = 6.75 Addendum circle Chemical pumps diameter: Da = d +2 ha = 36 +2 X4.5 = 45 Fixed string tooth thickness: Sxn = m (π/ 2 * cos2a + xsin2a)= 3X (1.387 +0.6428 X0.5)= 5.125 Fixed string of high gear tooth thickness measurement: hxn = m (π/ 8 * sin2a + xsin2a)= 3X (0.7476X0.117X0.5)= 2.42 Modulus coefficient x0.5 m3 O20 ° pressure angle tooth thickness Sxn5.12 fixed string Addendum Coefficient string f1 fixed gear tooth thickness measurement most high hxn2.42 Teeth z12 2, shaft wear and tear maintenance: Axis gear pump wear is mainly because with the support roller shaft at both ends between the friction and wear, so that smaller shaft diameter.

分度圆直径：d=mz=3X12=36 齿顶高：ha=m（f0+x）=3X（l+0.5）=4.5 齿根高：hf=m（f0+c-x）=3X（l+0.25-0.5）=2.25 齿全高：h=ha+hf=4.5+2.25=6.75 齿顶圆直径：Da=d+2ha=36+2X4.5=45 固定弦齿厚：Sxn=m（π/2*cos2a+xsin2a）=3X（1.387+0.6428X0.5）=5.125 固定弦齿厚测量用齿高：hxn=m（π/8*sin2a+xsin2a）=3X（0.7476X0.117X0.5）=2.42 模数m3变位系数x0.5 齿形角o20°固定弦齿厚Sxn5.12 齿顶高系数f1固定弦齿厚测最齿高hxn2.42 齿数z12 2、轴的磨损维修：齿轮泵中轴的磨损主要是因为轴两端与支撑滚针间的摩擦磨损，使轴径变小。

Let K be the 3 cyclotomic field, Esubscript D(superscript λ: y^2=x^3-2^4 3^3 D(superscript λ) be an elliptic curve defined over K, where D∈K is a square-free algebraic integer and λ∈Z.

设K为三次分圆域，E下标 D(上标λ：y^2=x^3-2^4 3^3 D为定义在K上的椭圆曲线，其中D为K中无平方因子的代数整数，λ∈Z。

From the associated DTD of an XML document, our method can abstract several logical XML element segments called ACS-D's. These ACS-D's then can be used to identify some practical XML element segments, called ACS-X's, from the XML document.

我们的方法先从XML文件附属的DTD中，摘取出干个辑的XML元素片段，叫做ACS-D，然后再用每一个ACS-D从XML文件中辨出符合这个ACS-D结构的干个实际XML资元素片段，叫做ACS-X。

Let α to be independence number of graph G, in 1984 Fan showed: Let G be a 2-connected graph of order n, for every pair vertices x,y of d=2, if max{d,d}≥n/2, then G is Hamiltonian.

1984年，Fan给出了著名的Fan定理：若2连通n阶图G的距离是2的任意两点x、y均有max{d，d}≥n/2，则G是哈密尔顿图。

If a random variable X satisfies X^2stackrel{d}{=}Y^2, then X is said to have a generalized skew distribution of F.

若一随机变数X满足X^2stackrel{d}{=}Y^2，则X被称为一F之广义偏斜分布。

In this paper obtains the conclusion by the discrete property of integer: If a, b∈Z+, also a≤b, b-a=d, then d is one of 0,1,…,b-1 in these b integers; Theorem: a | b also a | c to abitrary x,y∈Z, has a | to promote to more sums; By promotes the cancellation from additivity of coresidual; By the prime number is the infinite inferential reasoning continual divisible number also is infinite.

论文中由整数的离散性得到结论：若a，b∈Z+，且a≤b，b-a=d，则d为0，1，，b-1这b个数中的一个；将定理：a | b 且 a | c 对任意的x，y∈Z，有a |推广到更多项的和；由同余的相加性推出相减性；由素数的个数是无限的推导出连续合数的个数也是无限的。

In this thesis, a series of complexes based on aromatic multicarboxylic acids have been successfully synthesized in solutions or under hydrothermal conditions. Their structure and properties are investigated.(1) Eight complex compounds have been synthesized and characterized by X-ray single crystal diffractive technology: The eight complexes are listed as following: [Cu242] complex 1 [Cd22(H2O)4]·4H2O complex 2 [Co(H2btc)(H2O)3] complex 3 [Co2(H2O)2]·H2O complex 4 [Ni22(H2O)4] complex 5 [Cu22(H2O)4] complex 6 [Co(H2biim)2(H2O)2](H2btc) complex 7 [Zn(H2biim)2(H2O)2](H2btc) complex 8 The structure of complex 1 is dinuclear complex resulted from weak interactions（0-D chain）; complex 2 is 1-D chain stucture result from interactions of water molecules; complex 3、4、5、6 are coordination polymers using hydrothermal synthses, where the first kind ligand is H4btc, the second kind ligand is phen and Co2+、Ni2+、Cu2+ as center ions, respectively. While the coordination enviroment of Co2+ is the same in complex 3, the coordination geometries around the Co atoms in complex 4 are obviously different because of the different reaction conditions. In complex 4, the 1-D chains are connected into 2-D layer through carboxy groups of ligand H4btc. The structures of complex 5、6 are 1-D chain stucture result from interactions of carboxy groups in ligand H4btc. Complex 7、8 are homeomorphy compounds. Either of them are linked to the 3-D chains through intermolecular hydrogen bonds. Each H4btc lose two protons and H2btc2- acts as negative electron balance.

合成了8个结构新颖的配合物，并用X-射线单晶结构分析方法确定了晶体结构，分别为： [Cu242] 配合物1 [Cd22(H2O)4]·4H2O 配合物2 [Co(H2btc)(H2O)3] 配合物3 [Co2(H2O)2]·H2O 配合物4 [Ni22(H2O)4] 配合物5 [Cu22(H2O)4] 配合物6 [Co(H2biim)2(H2O)2](H2btc)配合物7 [Zn(H2biim)2(H2O)2](H2btc)配合物8 配合物1是一个依靠弱作用连接的双核铜结构；配合物2借助水分子形成一维链状结构；配合物3、4、5、6是以H4btc为第一配体、phen为第二配体，通过水热法合成的配合物，其中，Co2+、Ni2+、Cu2+为中心离子；配合物3中的二价钴离子具有相同的配位环境，不同反应条件下得到的配合物4中的二价钴离子存在不同的配位环境，在配合物4中，一维链通过H4btc上的羧基形成一个二维层结构；配合物5、6是借助H4btc上的羧基形成的一维链状结构；配合物7、8属于异质同晶结构，它们的分子通过分子间氢键形成三维网状结构，H4btc上的羧基失去2个质子，作为一个二价负离子起到电荷平衡作用。

The first one is built up by the single affairs of X and Y and thus shows a microcosmic space which leads to a overthrown to the common rules; the second one, composed by a serials of affairs such as A, B, C, D and so on, is a circle space which usually over thrown the types of literature; and the third one, including affairs of A ,B, C, D, etc, is a juxtapositional space which upset the styles of literature.

在余华小说的三种叙事空间中，第一空间是X与Y单个事件形成的微观空间，指向的是对常理的颠覆；第二空间是A、B、C、D……等系列事件所形成的循环圈空间，指向的是对文类的颠覆；第三空间是A、B、C、D……等系列事件所形成的并置链空间，指向的是对文体的颠覆。

One hundred and ninety two, 4-week old, D x LW x LR piglets (96 females and 96 castrates) with the average body weight of 6-7 kg, were randomly assigned into 4 dietary treatments.

选用192头，4周龄，平均体重6-7 kg D x LW x LR仔猪（96头母猪和96头去势公猪），随机分为四个日粮处理组。

If parents give their children a large number of unauthorized use of fish liver mooring, or injection of calcium and vitamin D and so on, can easily cause vitamin D overdose or poisoning; because these drugs are mainly used to treat rickets, and rickets in children caused by the teeth when the evening, his condition has become a very serious thing, if a square skull, ribs moniliforme, chicken, varus or valgus knees were "X" or O-shaped legs and so on.

如果家长擅自给孩子大量服用鱼肝泊，或注射钙剂和维生素D等，就很容易引起维生素D过量甚至中毒；因为这些药物主要是用来治疗佝偻病的，佝偻病引起小儿出牙晚时，病情已经很严重了，如出现方形颅、肋骨串珠、鸡胸、两膝内翻或外翻呈&X&或O形腿等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。