... rate of Helicobacter pylori accordingto 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 ... Medical Center, Nagoya University from July 2004 to October 2005. The participants aged 20 to 69 years were classified into three group accordingto CYP2C19 genotype; rapid metabolizers (RM) with...
... areencouraged to refer to Gibsons [1] and Harary [2] for more detailed descriptions of the theory.2.1 DefinitionsA graph consists of a set of vertices (points) together with a set of edges or ... 2 to the sum of theproduct i ì Li. Hence,iiLi= 2e. (2.7)Let vkdenote the number of vertices of degree k, namely,v2denotes the number of vertices of degree two, v3the number of ... number of independent loops of a planar connected graph and˜Lrepresent the total number of loops. Then˜L = L + 1 . (2.1)Euler’s equation, which relates to the number of vertices, the number of...
... are perpendicular to each other with an offsetdistance. Both mechanisms are capable of converting the rotational motion of link 2into the reciprocating and oscillatory motions of link 4. These ... assemblage of links connected by joints. The study of thenature of connection among various links of a kinematic chain is called the structuralanalysis or topological analysis. To facilitate ... edges can be labeled accordingto the locations of their axes.The graph of a mechanism is defined similarly with only one addition; the ver-tex denoting the fixed link is labeled accordingly, usually...
... SymbolNumber of verticesvNumber of linksnNumber of edgeseNumber of jointsjNumber of vertices of degreeiviNumber of links havingijointsniDegree of vertexidiNumber of joints on ... linkidiNumber of independent loopsLNumber of independent loopsLTotal number of loops (L + 1)˜LTotal number of loops (L + 1)˜LNumber of loops withiedgesLiNumber of loops withijointsLiTable ... Degrees of FreedomThe 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 mechanismrefers to the...
... number of gear pairs is equal to the number of independentloops; 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, whereasothers may be isomorphic to one another. Hence, the total number of nonisomorphicunlabeled ... 7.1summarizes the number of labeled nonisomorphic graphs in terms of the number of degrees of freedom and the number of independent loops. Appendix F provides anatlas of labeled graphs and typical...
... 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 allowsa vehicle to stop ... circumference of the turbine blades and reenters the impellerthrough the stator blades. The purpose of the stator blades is to redirect the fluid flowfrom the turbine to the impeller, providing a torque ... (attached to the piston), and link 6 is the piston.We observe that the piston and the crankshaft of the second mechanism shownin Figure 8.1 belong to a four-bar loop. A change in the location of the...
... manipulators for which the number of limbsis equal to the number of degrees of freedom of the manipulator, and the total number of joint degrees of freedom in each limb is equal to the value of Ck.The ... Japan.)kinematic structures of parallel manipulators accordingto their nature of motion anddegrees of freedom.9.2.3 Enumeration of Planar Parallel ManipulatorsFor planar manipulators, λ = 3. Furthermore, ... Therefore, the only feasible two-dof sphericalmanipulator is the five-bar RR–RRR manipulator. Similarly, the only feasible three-dof spherical manipulator is the 3-RRR manipulator as shown in Figure 6.14....
... accomplished by a com-puter program using a nested-do loops algorithm to vary the value of each xiandcheck for the validity of the solutions. A more rigorous procedure for solving onelinear ... first discuss a method for solving one equation in n unknowns. Then, we extendthe method to solving a system of m equations in n unknowns.A.1 Solving One Equation in n UnknownsConsider the following ... coefficients. The cis are nonnegativeintegers and k is a positive integer. We wish to solve for xi, for i = 1, 2, ,nsubject to a constraint that all xis must be nonnegative integers. In addition,...
... Independent Loops: Four to Eight Vertices.â 2001 by CRC Press LLC Appendix CAtlas of Graphs of Kinematic ChainsThis appendix provides an atlas of graphs of kinematic chains having up to threeindependent ... to threeindependent loops and eight links.Table C.1Graphs Having One Independent Loop: Three to Eight Vertices.â 2001 by CRC Press LLC Table C.4Graphs Having Three Independent Loops: Seven...
... G.14Transmission mechanism consisting of type-4200 and type-6206 geartrains: version 1.â 2001 by CRC Press LLC FIGURE G.15Transmission mechanism consisting of type-4200 and type-6206 geartrains: ... 2001 by CRC Press LLC Appendix GAtlas of Epicyclic Gear TransmissionMechanismsThis appendix provides the schematic diagrams and clutching sequences of somecommonly used epicyclic transmission ... G.10Transmission mechanism consisting of two type-4200 gear trains: version 1.â 2001 by CRC Press LLC FIGURE G.11Transmission mechanism consisting of two type-4200 gear trains: version 2.â...