difference between variable and constant in computer programming
the role of neutrinos, strings, gravity, and variable cosmological constant in particle physics
Ngày tải lên :
24/04/2014, 17:07
...
further progress in cosmology. It is a constant and it affects the unfolding of gravity only
say at one point and it does not embrace the entire evolution of an expanding universe. In
this paper ... Strings, Gravity, and Variable Cosmological
Constant in Elementary Particle Physics
Edited
by: Behram N. Kursunoglu, Stephan Mintz, and Arnold Perlmutter
Plenum Press, 2001
viii
CP
-
VIOLATION IN ... field
variables g
µv
requires the relationship
∧
(25)
where the fundamental invariant intrinsic length parameter r
0
represents a new
cosmological variable and is not related to Einstein’s cosmological...
- 284
- 2.2K
- 0
Tài liệu Concepts, Techniques, and Models of Computer Programming pot
Ngày tải lên :
22/02/2014, 06:20
... users,
and Per Brand for his role in coordinating development of the distributed im-
plementation. In 1996, the German and Swedish labs were joined by the De-
partment of Computing Science and Engineering ... of programming as a single discipline has
been lost.
Teaching programming in this fashion is like having separate schools of bridge
building: one school teaches how to build wooden bridges and ... metaphors, images, and ways of thinking.”
– Mindstorms: Children, Computers, and Powerful Ideas [141], Sey-
mour Papert (1980)
One approach to study computer programming is to study programming lan-
guages....
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- 359
- 0
Báo cáo khoa học: GlnK effects complex formation between NifA and NifL in Klebsiella pneumoniae docx
Ngày tải lên :
07/03/2014, 16:20
... by direct protein–protein interaction with NifL in
A. vinelandii [25,26]; and in diazotrophs, w hich do not
contain NifL, there is evidence that GlnK or the paralog
GlnB-protein directly modulate ... and the tetracycline-resistance cassette into the
HindIII site. pRS239 was obtained by inserting the tetra-
cycline-resistance cassette into the HindIII site of pRS155,
encoding glnK under the ... NifL and NifA,
which are m issing in the in vitro analysis. H owever, we have
not detected other proteins in significant amounts besides
MBP-NifLandNifAinthein vivo formed complexes by
silver staining.
In...
- 10
- 386
- 0
Báo cáo khoa học: Re-evaluation of intramolecular long-range electron transfer between tyrosine and tryptophan in lysozymes Evidence for the participation of other residues doc
Ngày tải lên :
17/03/2014, 10:20
... bityrosine signal was observed in all
peptides containing tyrosine 23 or 53 but not in peptides
containing tyrosine 20 alone. According to these results,
tyrosines 23 and 53 could be involved in ... mechanistic basis of LRET in proteins, systematic
investigations on electron transfer between tyrosine and
tryptophan in proteins and peptides have been conducted
[7–10]. In this experimental system, ... the peptidic bond between Asn103 and
Gly104 for both proteins. In addition, N-terminal sequen-
cing of the smaller moiety indicated that Gly residue is intact.
It is interesting to note that TEWL,...
- 7
- 474
- 0
Báo cáo khoa học: "A Tradeoff between Compositionality and Complexity in the Semantics of Dimensional Adjectives" potx
Ngày tải lên :
01/04/2014, 00:20
... is inconsistent
tTerminates in arbitrarily long (finite) time if the system is inconsistent
fMay not terminate if the solution is inadmissible
a text may contain errors. Second, reasoning ...
of Comparatives. In: R. Studer (ed.): Natural
Language and Logic. Berlin: Springer. 146-167
[Pinkal, to appear] M. Pinkal. Logic and Lexicon.
On the Semantics of the Indefinite. Dordrecht: ...
both the labelling and the constraint.
The two refinement operators for a constraint
Cj and parameter Xi are functions from labellings
to labellings, written
R-(Xi,Cj)
and
R+(Xi,Cj).
If...
- 10
- 537
- 0
arithmetic and logic in computer systems
Ngày tải lên :
03/06/2014, 01:18
... practicing engineers and
computer scientists involved in the design, application and development of computer
arithmetic units. For the number systems covered in Sections
1.4, 1.6
and
1.7, ...
References
Problems
8
Floating Point Operations
8.1
Floating Point AdditiodSubtraction
8.2
Floating Point Multiplication
8.3
Floating Point Division
8.4
Rounding
8.5
Extra Bits
References ...
performance in the future.
This book can be used as a text of an introductory course for graduate students
or senior undergraduate students
in
electrical engineering, and computer and mathe-...
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- 0
core techniques and algorithms in game programming - daniel sanchez-crespo dalmau
Ngày tải lên :
04/06/2014, 11:55
... and author, having written Beginning Direct3D Game Programming (Premier Press) and written and
edited Direct3D ShaderX: Vertex and Pixel Shader Programming Tips and Tricks (Wordware Publishing). ... Together
In Closing
Chapter 8. Tactical AI
Tactical Thinking Explained
Military Analysis: Influence Maps
Representing Tactics
In Closing
Chapter 9. Scripting
Building a Scripting Language
...
simultaneously, giving the actual illusion of peeking into the real world through a window? In an ideal world, both the update and render
routines would run in an infinitely powerful device consisting of...
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Báo cáo sinh học: "Detailed genetic analysis of hemagglutinin-neuraminidase glycoprotein gene in human parainfluenza virus type 1 isolates from patients with acute respiratory infection between 2002 and 2009 in Yamagata prefecture, Japa" docx
Ngày tải lên :
18/06/2014, 18:20
... surface glycoproteins: hemagglutinin-neuraminidase (HN) glycoprotein
and fusion protein (F protein) [1]. HN glycoprotein shows multiple biological functions that
include hemagglutinin and enzymatic ... analysis of hemagglutinin-
neuraminidase glycoprotein gene in human
parainfluenza virus type 1 isolates from patients
with acute respiratory infection between 2002
and 2009 in Yamagata prefecture, ...
Science and for Research on Emerging and Re-emerging Infectious Diseases from the Ministry
of Health, Labour and Welfare, Japan.
References
1. Karron RA, Collins PL: Parainfluenza viruses. In Fields...
- 19
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INTERRELATIONSHIPS BETWEEN MICROORGANISMS AND PLANTS IN SOIL doc
Ngày tải lên :
29/06/2014, 09:20
... strains
in
Kuban'
chernozems during 1979-1986 and of
10
Rhizobium
meliloti
strains
in the southern
Moscow
region during
1981-1986. In both these locations the
soils
contained indigenous ... Nethdands
Library
of
Congress Cataloging -in- Publication
Data
Interrelationships between microorganisms and plants in
soil.
(Developments in
soil
science
;
18)
Bibliography: p.
Includes ...
estimated by grain and green
mass
yield, nodule
mass,
number and nitrogen-fixing (acetylene-reducing)
activity
(ARA).
The soybean grain yield
and
alfalfa green
mass
yield
increased
normally...
- 501
- 898
- 0
LAND COVER CHANGES BETWEEN 1968 AND 2003 IN CAI NUOC, CA MAU PENINSULA, VIETNAM docx
Ngày tải lên :
07/07/2014, 02:20
... R.K, Adger, W.N. and Lorenzoni, I.: 1998, Towards Integrated Modelling and Analysis in
Coastal Zones: Principles and Practices, Texel, Netherlands, Land-Ocean Q Interactions in the
coastal zone ... of shrimp farming on land cover in the Ca
Mau Peninsula, in general, and on mangrove forests, in particular. The
land cover changes between 1968 and 2003 were determined and analyzed
for the Cai ... NUOC
varies between 87.0 and 89.4% during the wet season, and between 80.4
and 85.5% during the dry season (Sub-Institute of Geography at Ho Chi
Minh City, 2001). The number of hours of sunshine ranges...
- 18
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- 0
Báo cáo toán học: "The Active Bijection between Regions and Simplices in Supersolvable Arrangements of Hyperplanes" pdf
Ngày tải lên :
07/08/2014, 08:22
... α
1
in Theorem 5.1, since
the edge associated with a letter by α
1
in p is computed in the smallest p[a] containing
it, hence also in the final 1qa, therefore in the same way in p and in 1qa.
Interestingly ... containing ω with min(D
)=a
i
.Bymatroid
elimination of ω from D and D
, there is a positive cocircuit D
of −
ω
R containing e
with min(D
) ≥ min(D). Hence a
j
≤ min(D) ≤ min(D
) ... of
arrangements [12c].
We point out that, in the bounded case, the active mapping has a natural inter-
pretation in terms of optimization and linear programming [12a]. Finally, particularly
in the supersolvable...
- 39
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- 0
Báo cáo khoa học: "Growth relationships between root and shoot in walnut seedlings (Juglans regia L.)" potx
Ngày tải lên :
09/08/2014, 02:21
...
growth
variables
during
the
2
growing
seasons
were
characteristic
of
the
walnut
seedling
and
relatively
in-
dependent
of
climatic
hazards
because
they
were
obtained
in
different ...
evolu-
tion
between
years
in
the
relative
periodi-
city
of
root
and
shoot
growth
of
walnut
seedlings.
Since
there
was
no
relationship
between
bud
dormancy
and
root
growth, ...
analyses.
The
results
for
the
1985
sowing
are
presented
in
Figs.
3
(sowing
yr)
and
4
(2nd
yr).
Comparison
of
component
weights
(variables)
vs
principal
components
(mea-
surement...
- 4
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