classification of instruments according to hornbostel

shapes of molecules according to hybridization(hình học phân tử theo lai hóa)

Ngày tải lên: 24/05/2014, 10:39

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báo cáo hóa học:" Dimensions and correlates of quality of life according to frailty status: a cross-sectional study on community-dwelling older adults referred to an outpatient geriatric service in Italy" ppt

Ngày tải lên: 20/06/2014, 16:20

10 351 0

The chart below shows the sleep patterns of people in five different occupations according to a Canadian study

... two hours or so in the early afternoon. Thus the influence on one's sleep pattern is worthy of consideration when choosing an occupation. ...

Ngày tải lên: 04/10/2012, 10:02

2 1,4K 3

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 ... Medical Center, Nagoya University from July 2004 to October 2005. The participants aged 20 to 69 years were classified into three group according to CYP2C19 genotype; rapid metabolizers (RM) with...

Ngày tải lên: 31/10/2012, 16:57

6 650 1

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 ì 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 ... assemblage of links connected by joints. The study of the nature of connection among various links of a kinematic chain is called the structural analysis or topological analysis. To facilitate ... edges can be labeled according to the locations of their axes. The graph of a mechanism is deﬁned similarly with only one addition; the vertex denoting the ﬁxed link is labeled accordingly, usually...

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 ... 7.1 summarizes 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...

Ngày tải lên: 17/12/2013, 13:15

33 365 0

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 ... (attached to the piston), and link 6 is the piston. We observe that the piston and the crankshaft of the second mechanism shown in Figure 8.1 belong to a four-bar loop. A change in the location of the...