the standard handbook of engineering calculations

... (26.969) The most economical member is the one with the least area Therefore, use two angles 6 × 4 × 7 /16 in (15 2.4 × 10 1.6 × 11 .11 mm) Downloaded from Digital Engineering Library... CIVIL ENGINEERING ... mm) 4 Determine the minimum radius of gyration of the built-up section; compute the strut capacity Thus, r = rp = 1. 97 in (50.038 mm); KL/r = 12 (12 ) /1. 97 = 73 From the Manual, f = ... Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies All rights reserved Any use is subject to the Terms of Use as given at the

Ngày tải lên: 12/08/2014, 07:22

... Compute the diametral pitch of the gear. The diametral pitch of the gear must be the same as the diametral pitch of the pinion if the gears are to run together. If the diametral pitch of the pinion ... One of the gears is driven by another gear; the second gear of the compound set drives another gear. In a compound gear train, the product of the number of teeth of the driving gears and the ... and the rpm of the first driver equals the product of the number of teeth of the driven gears and the rpm of the last driven gear. In this gearset, the first driver has 24 teeth and the second

Ngày tải lên: 12/08/2014, 07:22

... 2 In these relations, f 2 is the equation of a circle with a radius equal to the robot’s forearm, l 2 ; the center of the circle varies with the inclination of the robot’s upper arm from the vertical, ... important to the modern designer. At the time of this writing, the robot population of the United States was increasing at the rate of 150 robots per month. The overhead cost of a robot in the automotive ... perpendicular to the radius through the point, one stress vector lying in the plane of the cross section and the other parallel to the bar’s axis. The maximum stress is tangent to the shaft’s outer

Ngày tải lên: 12/08/2014, 07:22

... distance from the surface of the source of the liquid supply to the free surface of the liquid in the discharge receiver, or to the point of free discharge from the discharge pipe. When both the suction ... the Terms of Use as given at the website. MECHANICAL ENGINEERING 11. Choose the exhaust fan capacity and static pressure. Find the required exhaust fan capacity in ft 3 /min from the sum of the ... the effect of the higher velocity in the pump suction line. Use the similarity laws for any liquid whose viscosity remains constant during passage through the pump. However, the accuracy of the

Ngày tải lên: 12/08/2014, 07:22

... and the efficiency of the cogeneration system. Analysis of the FHCC in Fig. 15 shows that all the needed process heat can be supplied by the gas turbine exhaust. Hence, a further evaluation of the ... subject to the Terms of Use as given at the website ENVIRONMENTAL ENGINEERING ENVIRONMENTAL ENGINEERING. .. and roof areas in each portion of the building Before final choice of the vent ... Downloaded from Digital Engineering Library... Then the budget estimate of the installed cost of the gas bypass stack = 1.25($272,000) = $340,000 And the total cost of the boiler ready for

Ngày tải lên: 12/08/2014, 07:23

... continuous function on Ᏹ Then, there exists x0 ∈ Ᏹ such that F(x0 ) = minx∈Ᏹ F(x) The proof is based on the application of the necessary condition given in the preceding theorem In Problem ... (1.1) be the mean and the standard deviation of the components of x = (x 1 ,x 2 , , x n−1 ,x n ), where x q = (x q 1 ,x q 2 , , x q n −1 ,x q n ) for a positive integer q. The following theorem ... mber 2006 Let m(y) =  n j =1 y j /n and s(y) =  m(y 2 ) −m 2 (y) be the mean and the standard deviation of the components of the vector y = (y 1 , y 2 , , y n−1 , y n ), where y q = (y q 1 , y

Ngày tải lên: 22/06/2014, 21:20

... 726–52 head of, 730–31, 738, 745n1 syntactic relation of governance among elements of, 730–33 themes for next decade regarding, 744–45 variation of, 729–33 Relational grams boundedness of, 730, ... NLT. See Neural Theory of Language Nominal classification, 676–96. See also Classifier(s) categorization, CL and, 690–92 central problems of, 686–90 systems of, 678–86 systems of, from world to ... about, 957 gestures and nature of, 947–48 lexical diffusion of, 952, 953t, 954 perceptually motivated, 955–56 specifying class of, 946–47 theoretical consequences of lexically and phonetically

Ngày tải lên: 03/07/2014, 01:20

... 1987) is professor of psychology, and former head of the School of Psychology, at the University of Nottingham, England. He is director of the Action Analysis Group, and codirector of the Accident ... directed the 1995 Linguistic Institute. She was the chair of the Department of Linguistics at the University of New Mexico from 1999 to 2002 and was president of the Linguistic Society of America ... Linguistics dates from the 1980s, when his PhD was one of the first in Europe to explore the possibilities of a prototype-theoretical model of categorization. As the founding editor of the journal Cognitive

Ngày tải lên: 03/07/2014, 01:20

... He is senior editor of Prag- matic, the journal of the International Pragmatics Association, and was one of the founding members of the European Society for Oceanists and of the Gesellschaft fu ... include Death Is the Mother of Beauty: Mind, Metaphor, Criticism (1987); Reading Minds: The Study of English in the Age of Cognitive Science (1991); The Literary Mind: The Origins of Thought and ... 2003). He is a member of the editorial board of Cognitive Linguistics and is on the advisory/referee board of several other journals. He is also a member of the editorial board of Benjamins’s Cognitive

Ngày tải lên: 03/07/2014, 01:20

... Organization of the Handbook The organization of the present Handbook reflects the prototypical structure of Cognitive Linguistics that was described above. In terms of people, the contribu- ... of such structures, and the relevant kind of knowledge is knowledge of the world. For the generative grammarian, however, the knowledge under consideration is knowledge of the language, and the ... characteristic merely states that the basic function of language involves meaning; the other two characteristics specify the nature of the semantic phenomena in question. The primacy of semantics in linguistic

Ngày tải lên: 03/07/2014, 01:20

... think of the projec- tions and theta-roles of Generative Grammar, of the central role of the lexicon in Lexical-Functional Grammar, and of the lexically driven grammar developed in the framework of ... through the meaning of linguistic expressions, it is unlikely that the universal aspects of lan- guage will be found in the realm of meaning. Further, if the lexicon is the main repository of linguistically ... stimulus-response theory—so the argument goes—an innate knowledge of language has to be assumed. But if one of the major features of language is its genetic nature, then of course the social aspects of language

Ngày tải lên: 03/07/2014, 01:20

... In other words, they claim that each and every mapping between the elements of the source and the elements of the target is unidirectional; the logic of the image schema is projected from the ... Linguistics. I then retrace some of the history of the embodiment hypothesis and show how its scope expanded to en- compass topics as diverse as the grounding of meaning, the motivating factors of semantic ... question as to whether the embodiment hypothesis is an empirical scientific hypothesis, a general theoretical orientation, a metaphysics, or some combination of all of these. However, the evidence

Ngày tải lên: 03/07/2014, 01:20

... perception is at the core of the present formulation of the embodiment hypothesis. The analogy between the form of the argument for the embodiment hypothesis and the form of the foregoing argument ... on the first part of the word and trailing off towards the end of the word. Alternatively, the parent could si- lently stroke the baby’s back or head with a stroke analogous to the ‘‘There, there’’ ... in the ‘‘meta- phorical definition’’ of more complex concepts. In short, they argued that these three natural kinds of experience—experience of the body, of the physical envi- ronment, and of the

Ngày tải lên: 03/07/2014, 01:20

... schematization of the levels of investigation in cognitive science. The most basic organizing criterion of this theoretical framework is the scale of the relative physical sizes of the phenomena ... not just in terms of the physiological size of the central nervous system, but also in terms of the standard scale of the interactional distance we use in speaking with one another. Language is ... might then expand the scope of the inquiry from the bodily and performative level of the framework to embodiment and experientialism 43 the communicative and cultural level: Was the humoral theory

Ngày tải lên: 03/07/2014, 01:20

... effect on the relation of the event to the com- municative situation (‘past’). In other words, it is part of these speakers’ knowledge of the conventions of their language that the unit involved conveys ... distinctions also exist in the domain of time. The flow of time constitutes (part of) the base of the meaning of verbs. Different lexical verbs may profile different ‘‘slices’’ of time, backgrounding ... through the work of Talmy (1978). In visual perception, one element may be the focus of attention? ?the ‘‘Figure’’; it is perceived as a prominent coherent element and set off against the rest of what

Ngày tải lên: 03/07/2014, 01:20

... indicated by the use of bold lines: they ‘‘profile’’ aspects of the object of conceptualization, but none at the level of the subjects of conceptualization or of the relation between the two levels. ... details. In each of these cases, the landmark with respect to which the trajector is located is part of the ground of the utterance. The position of the ballroom in (3) is calcu- lated from the common ... elements of the construal configuration, and the other some other, or more, elements). This is the way this representation will be used in the remainder of this chapter. The extreme case at the other

Ngày tải lên: 03/07/2014, 01:20

... is the sum of all moments acting about the center of mass in the plane of rotation, ¯ I is the mass moment of inertia about the center of mass, and a is the angular acceleration of the body. The ... terms of k, the radius of gyration, and m, the mass of the body. If the axis of rotation passes through the center of mass, then the mass moment of inertia is desig- nated as I. Mass moments of ... order to determine the quality (or the validity) of fit of a particular function to the data points given, a comparison of the deviation of the curve from the data to the size of the experimental...

Ngày tải lên: 02/04/2014, 16:08

... the Terms of Use as given at the website. Source: STANDARD HANDBOOK OF PLANT ENGINEERING The minimum water quality required at each point of use must be established and the method or series of ... to the extent of cool- ing to be accomplished .The cooling is dependent on the efficiency of the fill and the air veloc- ity through the cooling tower as the water descends through the fill. The ... with the dissolved CO 2 and the calcium and magnesium salts that commonly cause the hardness of water. The following equations describe some of the reactions that take place in the formation of the...

Ngày tải lên: 02/04/2014, 16:26

... downplaying the commercial and business aspects. 2.2 The History of Modern Standards In 1836, the U.S. Congress authorized the Office of Weights and Measures (OWM) for the primary purpose of ensuring ... not within the purview of the OWM, so there was no government involvement during this period. It took the pres - sures of war production in 1918 to cause the formation of the American Engineering ... shells, and the number of electrons in each orbit increases with the increase in orbit diameter in ac- cordance with quantum-theory laws of physics. The diameter of the outer orbiting path of electrons...

Ngày tải lên: 16/01/2014, 16:33

... salutation. ● ● ● ● ●● ● ● ● ● Preface to the Third Edition The thirteen years that have passed since the publication of the first edition of The AMA Handbook of Business Letters have witnessed the takeoff of the Internet ... particular type of letter is being written. A discussion of the appropriate use of these formats is included in this chapter. Chapter 3 discusses the placement and function of the parts of each of the letter ... margin. The last figure of the year should never overrun the right margin. However, in these formats the date can also be either centered under the letterhead, if this adds to the balanced look of the...

Ngày tải lên: 24/01/2014, 00:20