appearance of letterhead elements
Tài liệu LUBRICATION OF MACHINE ELEMENTS P1 pdf
Ngày tải lên :
27/01/2014, 16:20
... diameter
of
contact ellipse along
x
axis,
m
D
y
diameter
of
contact ellipse along
y
axis,
m
d
diameter
of
rolling element
or
diameter
of
journal,
m
d
a
overall diameter
of
ball ... bore diameter
of
ball bearing,
m
d
c
diameter
of
capillary tube,
m
df
inner-race diameter
of
ball bearing,
m
d
0
outer-race diameter
of
ball bearing,
m
d
0
diameter
of
orifice,
... middle
of
this century
two
distinct regimes
of
lubrication were generally recognized.
The first
of
these
was
hydrodynamic lubrication.
The
development
of the
understanding
of
this...
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Tài liệu LUBRICATION OF MACHINE ELEMENTS P2 pptx
Ngày tải lên :
27/01/2014, 16:20
... minimum value
of
H
f
occurs
at a
ratio
of
recess
radius
to
bearing
radius
R
0
IR
of
0.53.
All
bearing-pad configurations exhibit minimum values
of
H
f
when their ratios
of
recess ... establishing
the
definition
of
c
b
.
The
preload factor
m
p
is
given
by
c
-
c
b
m
=
p
c
A
preload
factor
of
zero corresponds
to
having
all of the pad
centers
of
curvature coinciding
... the
center
of the
bearing;
a
preload
factor
of 1.0
corresponds
to
having
all of the
pads touching
the
shaft.
Figures
2l.l6b
and
21.16c
illustrate these extreme situations. Values
of...
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Tài liệu LUBRICATION OF MACHINE ELEMENTS P3 pptx
Ngày tải lên :
27/01/2014, 16:20
... (^)''
8
where
d =
diameter
of
rolling element,
m
/
=
number
of
rows
of
rolling elements
n =
number
of
rolling elements
per row
(3
=
contact angle
f
c
=
coefficient
dependent
... a
range
of
nearly
two
orders
of
magnitude,
and the
dimensionless
load parameter
W
over
a
range
of one
order
of
magnitude. Situations equivalent
to
using materials
of
bronze, ... map
of
the
lubrication regimes
in the
form
of
dimensionless minimum-film-thickness parameter contours.
Some
of
these maps
are
shown
in
Figs.
21.72-21.74
on a
log-log grid
of the
...
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Tài liệu Báo cáo khoa học: "Japanese Dependency Parsing Using Co-occurrence Information and a Combination of Case Elements" pdf
Ngày tải lên :
20/02/2014, 12:20
... explanation
of the dependency structure T:
m(T ) : the number of verbs in T
v
i
(T ) : the i-th verb in T
c
i
(T ) : the number of case elements that mod-
ify the i-th verb in T
es
i
(T ) : the set of ... of case elements that modify the
i-th verb in T
rs
i
(T ) : the set of particles in the set of case el-
ements that modify the i-th verb in T
ns
i
(T ) : the set of nouns in the set of case ele-
ments ... accuracy of model (d) is comparable
to that of our model, we can conclude that the con-
sideration of the syntactic property of a verb does
not necessarily improve dependency analysis.
The accuracy of...
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Báo cáo khoa học: "Automatic Detection of Grammar Elements that Decrease Readability" pdf
Ngày tải lên :
08/03/2014, 04:22
... performance of our detector.
Automatic Detection of Grammar Elements that Decrease Readability
Masatoshi Tsuchiya and Satoshi Sato
Department of Intelligence Science and Technology,
Graduate School of ... an automatic method
of detecting grammar elements that de-
crease readability in a Japanese sentence.
The method consists of two components:
(1) the check list of the grammar elements
that should ... sequence of mor-
phemes
• Type B: A rule detecting a bunsetsu.
ã Type R:A rule detecting a modifier-modifee re-
lationship.
Type M is the basic type of them, because almost of
grammar elements...
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The Thirteen Books of the Elements, Vol. 3: Books 10-13
Ngày tải lên :
15/03/2014, 01:27
... to
the
square
on
D,
.
while
the
ratio
of
the
square
on A
tel
the
square
on B is
duplicate
of
the
ratio
of
A
to
B,
and
the
ratio
of
the
square
on C to
the
square
on D is duplicate
of
the
ratio
of
C to D,
therefore
also, ... to
D,
while
the
ratio
of
the
square
on A to
the
square
on
B is
duplicate
of
the
ratio
of
A
to
B,
for similar figures are in
the
duplicate ratio
of
their
corre-
sponding
sides;
[VI.
20,
Por.J
and
the
ratio
of
the
square
on ... measure
of
a,
b must be a measure of theIr greatest common
measure d (x.
3,
Por.). .
The argument in the proof that
e,
the greatest common measure of
d,
c,
IS
the greatest common measure of
a,
b,
c,
is
the...
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Concentration and distribution of extractable elements in soil as affected by tillage systems and fertil
Ngày tải lên :
15/03/2014, 23:22
... we
hypothesize that concentrations of trace elements
will increase and stratify in those soils. However,
as a consequence of the recent introduction of
zero tillage and the lack of fertilization history,
there ... 1999
Abstract
Because of crop production intensification, we hypothesize that concentrations of trace elements will increase and
stratify in the soils of the Pampean region. We studied the effects of conventional ... 768.
He QB, Singh BR. Effect of organic matter on the distribu-
tion, extractability and uptake of cadmium in soils. J Soil
Sci 1993a;44:641᎐ 650.
He QB, Singh BR. Crop uptake of cadmium from phosphorus
...
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- 0
DETERMINATION OF TRACE ELEMENTS BOUND TO SOIL AND SEDIMENT FRACTIONS
Ngày tải lên :
15/03/2014, 23:56
... Redistribution of Pb and
Cu in the presence of humic acid was demonstrated. The selectivity of the reagents was insufficient to
warrant interpretation of results in terms of a specific origin of a metal ... implications (e.g., during
dredging operations) of land disposal of waste material, of acid precipitation, of redox changes in sub-
soil, and of ingestion of polluted urban dust, can be qualitatively ... the results. The use of correla-
tion coefficients for choosing extractants for assessment of plant availability of elements needs consid-
eration [128]. For extraction of the exchangeable fraction,...
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xps studies of active elements surface of gas sensors based on wo3nanoparticles
Ngày tải lên :
20/03/2014, 13:12
... synthesized by method of electrical explosion of wires. The structure of core levels W4f and O1s
was explored by XPS-method. Exposure of oxides to air at 293 K leads to the formation of WO
3
·(OH
2
)
n
-phase ... surface of nanoparticles.
A correlation between value x of nonstoichiometric WO
3−x
oxide matrix and contents of OH-groups in it was revealed. It was noticed, that the
increase of number of W
5+
-states ... and are used for producing of gas sensors active
elements [1–8]. In the most cases the range of their work temper-
atures is 520–620 K. But during exploitation of active elements
at relatively high...
- 4
- 560
- 1
Báo cáo " Effects of macro elements on biomass and ginsenoside production in cell suspension culture of Ngoc Linh ginseng " docx
Ngày tải lên :
28/03/2014, 10:20
... 2
Concentration of macro-element
Growth yield
NH4NO3 KNO3 MgSO4 CaCl2
Fig. 1. Growth yield of ginseng cell was affected by concentration of macro elements. Values are the quotient
of the root ... discussion
Effects of macro elements on biomass and
ginsenoside production
Table 1 and Figure 1 show how growth and
yield of ginseng cell were affected by the
concentrations of macro elements in ... K.Y. Paek., Induction and
proliferation of callus of Ngoc Linh ginseng
(Panax vietnamensis Ha et Grushv): Effects of
plant growth regulators, Journal of Science,
Natural Sciences and Technology...
- 5
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- 0
Đề tài " On the distribution of matrix elements for the quantum cat map " pptx
Ngày tải lên :
29/03/2014, 07:20
... O(N
−1
).
The proof of the second assertion is similar.
MATRIX ELEMENTS FOR QUANTUM CAT MAPS
495
3. Ergodic averaging
We relate mixed moments of matrix coefficients to traces of certain aver-
ages of the ... )|
4
Ã
Ã
B
1
,B
2
,B
3
,B
4
C(N)
kB
1
lB
2
+mB
3
nB
4
0modN
e
t((kB
1
, lB
2
)+(mB
3
, nB
4
))
N
.
The proof of Lemma 11 is an extension of the arguments proving the
analogous (4.1) in the proof of Proposition 9 and is left to the reader.
5.3. Exponential ... distributed, that is the matrix elements of smooth
observables tend to the phase space average of the observable. In this paper we
study the fluctuations of the matrix elements for the desymmetrized...
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- 0
Báo cáo khoa học: "Towards Automatic Classification of Discourse Elements in Essays" potx
Ngày tải lên :
31/03/2014, 04:20
...
occurrence of each word used in all resolved
human annotations of thesis statements. All
words in this list were used as independent
lexical features. We found that the use of
various lists of stop ...
own experience or your observations of other
people.
The writing in Figure 1 illustrates one kind of
challenge in automatic identification of discourse
elements, such as thesis statements. ... consistent with the results of
McCallum and Nigam (1998) (see also Larkey
and Croft (1996) for descriptions of additional
applications). In Larkey (1998), sets of essays
used for training...
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- 0
separation of isotopes of biogenic elements in two-phase systems
Ngày tải lên :
01/06/2014, 10:54
... D. Mendeleev University of Chemical Technology of
Russia (MUCTR) is indicative of the high efficiency of the packing in the shape of rings
with a vertical partition made of brass or steel mesh ... effect, two-phase systems make use of counter-current
columns incorporating separation elements of the second type, and flow-conversion units.
The separation elements of the second type (Figure 1.3b) ... Separation of Isotopes of Biogenic Elements
in Two-phase Systems
Else_SIBE-ANDREEV_prelims.qxd 10/10/2006 5:27 PM Page i
In Fig. 1.7 are also shown the dependences of
θ
opt
on K for a variety of
e
values,...
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- 0
the hidden power of photoshop elements 4 apr 2006
Ngày tải lên :
04/06/2014, 11:31
... so much of the
power of Photoshop in an inexpensive, slightly simpler package? But in spite of all the
amazing things that Elements can do, lots of people want to be able to do more of the
sophisticated ... kinds of edits and color corrections that aren’t easily accomplished in
Elements right out of the box.
Richard Lynch’s first Hidden Power of Photoshop Elements book, for versions 1 and 2
of the ... channels.
With The Hidden Power of Photoshop Elements 4, Richard has not only created new ver-
sions of his most popular tools but also offers common-sense discussions of many of the
tougher concepts...
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- 0
the hidden power of photoshop elements 3
Ngày tải lên :
04/06/2014, 11:39
... characteristic of your
display and can subtly affect the appearance of color on-screen.
Gamma is a measure of tonal response, often a number between 1 and 3 with two deci-
mal places. Phosphors are a set of ... and written permission of the publisher.
An earlier version of this book was published under the title The Hidden Power of Photoshop
Elements 2 â 2003 SYBEX Inc.
Library of Congress Card Number: ... most out of that is often key to getting the best results. Some of
4385c00.qxd 11/7/04 11:25 PM Page xvii
general corrections of tone and color parallel. You’ll see the advantages of both tools...
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