gsm technology for engineers aircom

Ngày tải lên: 29/08/2013, 08:16

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 05/09/2013, 08:40

Ngày tải lên: 22/10/2013, 15:15

... your mind, so before we move on to actually installing and running ASP.NET, we're going to go back and redefine them just to make sure: q ASP – a server-side technology for creating dynamic ... a server-side technology for creating dynamic web pages that lets you use any fully- fledged programming language supported by .NET q VB.NET – our chosen programming language for writing code ... a single non-Microsoft browser that supports VBScript for client-side scripting. For a short while there were some proprietary plug-ins for Netscape that provided VBScript support, but these...

Ngày tải lên: 06/11/2013, 00:15

... com- mutative if a · b = b · a for all a, b ∈ G. Abelian theorems (1) Suppose  ∞ n=0 a n x n converges for |x| <Rand for x = R. Then the series converges uniformly on 0 ≤ x ≤ R. (2)Forn ≥ 5 the general ... Standard Code for Information Interchange. A code for represent- ing alphanumeric information. Ascoli Giulio Ascoli (1843–1896), Italian analyst. Ascoli’s theorem Let {f n } be a family of uniformly ... nonmathe- matical information is required for contrac- tions of models of biological systems, such as biochemical networks (unlike expansion). Such information may be beneficial, for example, in suggesting...

Ngày tải lên: 10/12/2013, 12:15

Ngày tải lên: 10/12/2013, 14:15

Ngày tải lên: 12/12/2013, 20:28

... OPEN CHANNEL HYDRAULICS FOR ENGINEERS i CANTHO UNIVERSITY MHO 5/6 project Civil and Mechanical Engineering OPEN CHANNEL HYDRAULICS FOR ENGINEERS LECTURE ... 2003 OPEN CHANNEL HYDRAULICS FOR ENGINEERS v 2.3.1. Concept 32 2.3.2. Conditions for maximum discharge 32 2.3.3. Problems of uniform-flow computation 36 2.4. Channel with ... UNIFORM FLOW 25 2.1. Introduction 25 2.1.1. Definition 25 2.1.2. Momentum analysis 27 2.2. Basic equations in uniform open channel flow 28 2.2.1. Chezy’s formula 28 2.2.2. Manning’s formula...

Ngày tải lên: 20/12/2013, 19:15

... corresponding forces. These forces are the force of gravity F g , the pressure force F p , and the viscous resistance force F v . These forces add vectorially in Fig. 1.9 to yield a resultant force ... system of units, for example from English to MKS or vice versa. Let us consider Manning’s formula for the velocity V = 2 1 3 2 i.R. n 1 (1-19) OPEN CHANNEL HYDRAULICS FOR ENGINEERS ... velocity is uniformly distributed over the section; and  No energy or force, except gravity and pressure force, is involved in the flow. Euler's equation in a differential-equation form can...

Ngày tải lên: 20/12/2013, 19:15

... relative roughness as well. Before applying uniform flow formulas to the design of open channels, the background of Chezy’s as well as Manning’s formulas for steady, uniform in open channels are ... Problems of uniform-flow computation The computation of uniform flow may be performed by the use of two equations: the continuity equation and a uniform-flow formula. When the Manning formula is ... therefore with R and possibly also with the bed slope i, which for uniform flow will be equal to the slope of the energy-head line i o , yielding a relationship for the velocity of the form:...

Ngày tải lên: 20/12/2013, 19:15

... CHANNEL HYDRAULICS FOR ENGINEERS Chapter 3: HYDRAULIC JUMP 67 We also may apply some experimental formulas by Russian hydraulicians:  Pavolovski’s formula (1940), for a rectangular ...   (3-13) This force is responsible for change of velocity from V 1 to V 2 . We know that this force is also equal to the change of momentum of the control volume: Force = mass of water ... h 2 = 2.5 m Jump occurs? Energy head loss E L ? Upstream depth h I ? Force on the gate? OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 3: HYDRAULIC JUMP 52 F 1 = 2 1 1 1 h .h .(h...

Ngày tải lên: 20/12/2013, 19:15

... CHANNEL HYDRAULICS FOR ENGINEERS Chapter 4: NON-UNIFORM FLOW 73 4.1.3. Equation of non-uniform flow Fig. 4.3. Non-uniform flow Consider a non-uniform flow in an ... M3 OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 4: NON-UNIFORM FLOW 86 Then, the equation of gradually varied flow in finite difference form is solved for the distance step x, as ... CHANNEL HYDRAULICS FOR ENGINEERS Chapter 4: NON-UNIFORM FLOW 71 Fig. 4.1. Examples of non-uniform flow 4.1.2....

Ngày tải lên: 20/12/2013, 19:15

... OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 5: SPILLWAYS 94 The sharp-crested weir is of fundamental interest, because its associated theory forms a basis for the design of spillways. ... HYDRAULICS FOR ENGINEERS Chapter 5: SPILLWAYS 106 This equation is a practical criterion based on the ratio of energy head on crest to weir length. In practice, design engineers should ... CHANNEL HYDRAULICS FOR ENGINEERS Chapter 5: SPILLWAYS 95 In early experiments on weirs only small quantities of water were available. In most cases results are given in the form of Eq. (5-1),...

Ngày tải lên: 20/12/2013, 19:15

... considerable formation of spray. The bucket-type dissipator is not, therefore, a remedy for inadequate tailwater depth. If the tailwater level is in fact insufficient for hydraulic jump formation, ... jet, in which form it will readily break up into small drops, which are very substantially retarded before they reach any vulnerable surface. OPEN CHANNEL HYDRAULICS FOR ENGINEERS ... HYDRAULICS FOR ENGINEERS Chapter 6: TRANSITIONS AND ENERGY DISSIPATORS 117 The foregoing discussion, although of some general interest, does not lead to specific conclusions. For these...

Ngày tải lên: 20/12/2013, 19:15

... forward characteristic C 1 defined by: OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 7: UNSTEADY FLOW 140 7.3.3. The simple-wave problem A simple wave is defined to be a wave for ... dx V c dt   forward characteristic backward characteristic P OPEN CHANNEL HYDRAULICS FOR ENGINEERS Chapter 7: UNSTEADY FLOW 132 downstream direction, is therefore equal to - ... The two forces are not quite parallel, but it is consistent with our assumption of small slopes to regard the two forces as parallel. The net force in the direction of flow is therefore equal...

Ngày tải lên: 20/12/2013, 19:15

... reason for this is that the VR technology has become available at an affordable price so as to be considered a viable tool for interactive design and analysis. Mechanical Engineers& apos; ... preceding discussion, VR technology provides the tools for an enhanced level of interaction in three dimensions with the computer. The need for real-time performance while depicting ... provided. Keeping in mind the need for realism, it is imperative to maintain a reasonable performance for the VR application. Here "performance" refers to the response ...

Ngày tải lên: 23/01/2014, 07:20

... a standard for crash pulse recorders. The Technology and Maintenance Council of the American Trucking Associations has developed a recommended practice for Event Data Recorders for heavy trucks. ... and economically feasible. Both GM and Ford have publicly released their EDR formats. Most automakers however view this information as proprietary. For the discussion which follows, determination ... collisions. 12 2.2.2 Ford Motor Company The Ford EDR is called the Restraint Control Module (RCM). The emphasis of the Ford EDR is on monitoring the performance of occupant restraint...

Ngày tải lên: 19/02/2014, 03:20

Ngày tải lên: 21/02/2014, 16:20

... research effort is needed on the design of labels in order to make them understandable for consumers. Therefore it is necessary to understand how the information uptake works, which information ... just were not there for the time of introduction. Therefore there is a need for reassessing many existing technologies to verify that they are efficient and safe enough. For example, studies ... indispensable for the introduction of new technologies into the food chain. The example of biotechnology in food production in Europe indicates that consumers will increasingly call for more information...

Ngày tải lên: 22/02/2014, 05:20