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Getting Started With ASP.NET ASP.NET is a new and powerful technology for writing dynamic web pages.
Ngày tải lên :
06/11/2013, 00:15
... 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...
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Tài liệu Dictionary of Applied Math for Engineers and Scientists doc
Ngày tải lên :
10/12/2013, 12:15
... 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...
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Tài liệu Open channel hydraulíc for engineers ppt
Ngày tải lên :
20/12/2013, 19:15
... 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...
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Tài liệu Open channel hydraulics for engineers. Chapter 1 introduction ppt
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...
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Tài liệu Open channel hydraulics for engineers. Chapter 2 uniform flow docx
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:...
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Tài liệu Open channel hydraulics for engineers. Chapter 3 hydraulics jump doc
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...
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Tài liệu Open channel hydraulics for engineers. Chapter 4 non uniform flow ppt
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....
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Tài liệu Open channel hydraulics for engineers. Chapter 5 spillways pptx
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),...
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Tài liệu Open channel hydraulics for engineers. Chapter 6 transitions and energy dissipators docx
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...
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Tài liệu Open channel hydraulics for engineers. Chapter 7 unsteady flow docx
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...
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Tài liệu VIRTUAL REALITY - A NEW TECHNOLOGY FOR THE MECHANICAL ENGINEER docx
Ngày tải lên :
23/01/2014, 07:20
... 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
...
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Tài liệu Use of Event Data Recorder (EDR) Technology for Highway Crash Data Analysis doc
Ngày tải lên :
19/02/2014, 03:20
...
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...
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Tài liệu Reversed Food Chain – From the Plate to the Farm Priorities in Food Safety and Food Technology for European Research potx
Ngày tải lên :
22/02/2014, 05:20
... 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...
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