classification of organic compounds according to functional groups

Báo cáo y học: " Eradication rate of Helicobacter pylori according to genotypes of CYP2C19, IL-1B, and TNF"

... rate of Helicobacter pylori according to genotypes of CYP2C19, IL-1B, and TNF-A Yoshiko Ishida, Yasuyuki Goto, Takaaki Kondo, Mio Kurata, Kazuko Nishio, Sayo Kawai, Tomo Osafune, Mariko Naito, ... Effect of different proton pump inhibitors, differences in CYP2C19 genotype and antibiotic resistance on the eradication rate of Helicobacter pylori infection by a 1-week regimen of proton pump ... proinflammatory cytokine, had a higher eradication rate relative to those with the -511CC genotype [18]. This study aimed to examine the associations of the eradication rate with the functional...

Ngày tải lên: 31/10/2012, 16:57

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Tài liệu Enumeration of Kinematic Structures According to Function P2 doc

... are encouraged to refer to Gibsons [1] and Harary [2] for more detailed descriptions of the theory. 2.1 Deﬁnitions A graph consists of a set of vertices (points) together with a set of edges or ... 2 to the sum of the product i × L i . Hence,  i iL i = 2e. (2.7) Let v k denote the number of vertices of degree k, namely,v 2 denotes the number of vertices of degree two, v 3 the number of ... number of independent loops of a planar connected graph and ˜ L represent the total number of loops. Then ˜ L = L + 1 . (2.1) Euler’s equation, which relates to the number of vertices, the number of...

Ngày tải lên: 17/12/2013, 13:15

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Tài liệu Enumeration of Kinematic Structures According to Function P3 pptx

... are perpendicular to each other with an offset distance. Both mechanisms are capable of converting the rotational motion of link 2 into the reciprocating and oscillatory motions of link 4. These ... the nature of connection among various links of a kinematic chain is called the structural analysis or topological analysis. To facilitate the analysis, several methods of repre- sentation of the ... structural topologies are identical, to some extent, as will be described in the following section. FIGURE 3.4 Functional schematics of two gear sets that share the same structural topology. ©...

Ngày tải lên: 17/12/2013, 13:15

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Tài liệu Enumeration of Kinematic Structures According to Function P4 ppt

... Symbol Number of vertices v Number of links n Number of edges e Number of joints j Number of vertices of degree iv i Number of links having i joints n i Degree of vertex id i Number of joints on ... link id i Number of independent loops L Number of independent loops L Total number of loops ( L + 1 ) ˜ L Total number of loops ( L + 1 ) ˜ L Number of loops with i edges L i Number of loops with i joints L i Table ... Degrees of Freedom The degrees of freedom of a mechanism is perhaps the ﬁrst concern in the study of kinematics and dynamics of mechanisms. The degrees of freedom of a mechanism refers to the...

Ngày tải lên: 17/12/2013, 13:15

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Tài liệu Enumeration of Kinematic Structures According to Function P7 doc

... number of gear pairs is equal to the number of independent loops; the number of turning pairs is equal to the number of links diminished by one; and the number of degrees of freedom is equal to the ... graph of n vertices. However, some of the graphs may be rejected due to violation of the structural characteristics, whereas others may be isomorphic to one another. Hence, the total number of nonisomorphic unlabeled ... the number of labeled nonisomorphic graphs in terms of the number of degrees of freedom and the number of independent loops. Appendix F provides an atlas of labeled graphs and typical functional...

Ngày tải lên: 17/12/2013, 13:15

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Tài liệu Enumeration of Kinematic Structures According to Function P8 pdf

... housing. The torque converter has three purposes. First of all, it serves as a fluid coupling to provide a smooth transmission of torque from the engine to the wheels. It also allows a vehicle to stop ... circumference of the turbine blades and reenters the impeller through the stator blades. The purpose of the stator blades is to redirect the fluid flow from the turbine to the impeller, providing a torque ... number of members. Note that in S5, if a family of vertices is to be connected to a first level vertex in all possible ways, a number of isomorphic graphs would be generated. To reduce the number of...