the role of transport and communication in economic development of nigeria
The Duality of Memory and Communication in the Implementation of a Multiprocessor Operating System
Ngày tải lên :
12/09/2012, 15:05
... be built, maintained and accessed using these techniques.
8.1. Emulating Operating System Environments
During the 1960’s the notion of a virtual machine base for operating systems development ... outperform 4.3bsd in several benchmarks of
overall system performance [1].
A key and unusual element in the design of Mach is the notion that communication (in the form of message
passing) and virtual ... validation - Finally, the kernel informs the hardware physical map module of the new virtual
to physical mapping.
With the exception of the hardware validation, all of these steps are implemented in a...
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Tài liệu Range of practices and issues in economic capital modelling pdf
Ngày tải lên :
20/02/2014, 19:20
... confidence
in the accuracy of the outcomes. Given the diversity in the nature of inputs, the importance of
assumptions that underline the parameters used, and the scale of the task in practical ... recognise the importance of using
economic capital measures in conducting the bank’s business and capital planning,
and should take measures to ensure the meaningfulness and integrity of economic ... observed in markets, including the large corporate US market. This in turn, when
combined with inadequately integrating the correlation between PD and LGD in the models
and inadequately modelling...
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Competitive sorption of cadmium and lead in acid soils of central spain
Ngày tải lên :
15/03/2014, 23:22
... mass of soil (g).
For each reaction time, sorption isotherms of the
metals from their single and binary solutions were
constructed using the data obtained from the kinetic
experiments and the ... xxx–xxx12
ARTICLE IN PRESS
70% and 64% of the ECEC, respectively, while Ca
was the dominant cation in S2 and S4 accounting for
the 52% and 69% of the ECEC, respectively. Soils S1
and S3 had the lowest ... assessment of the potential bioavailability and
toxicity of lead and cadmium might be different
whether the experiments are performed using single
or binary solutions.
The kinetics of Pb and Cd sorption...
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The Role of Small and Large Businesses in Economic Development doc
Ngày tải lên :
06/03/2014, 19:20
... recruiting large
enterprises with tax breaks, financial incentives, and other induce-
ments. Instead, they are relying on building businesses from the ground
up and supporting the growth of existing ... effects
The Role of Small and
Large Businesses in
Economic Development
By Kelly Edmiston
I
ncreasingly, economic development experts are abandoning traditional
approaches to economic development ... well. They include constraints on the supply of labor and other
inputs, upward pressure on wages and rents, congestion of infrastruc-
ture, and (if fiscal incentives are provided to the locating...
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Tài liệu Báo cáo khoa học: Role of K22 and R120 in the covalent binding of the antibiotic fosfomycin and the substrate-induced conformational change in UDP-N-acetylglucosamine enol pyruvyl transferase docx
Ngày tải lên :
19/02/2014, 13:20
... for the loss of
fosfomycin binding to the K22V and K22E mutant proteins.
However, two other positively charged amino acid side
chains, R397 and R120, are also involved in fosfomycin
binding, and ... provided
further insight into the molecular mechanism driving the
formation of the covalent C115–fosfomycin adduct. A
conservative exchange of K22 to arginine maintains fosfo-
mycin binding, while ... form of the protein.
The results obtained with the K22V/R120K double
mutant protein point toward a central role of arginine 120
in the conformational process occurring during catalysis.
Therefore,...
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Báo cáo khoa học: Role of DptE and DptF in the lipidation reaction of daptomycin ppt
Ngày tải lên :
07/03/2014, 04:20
... domain is one of the
few ACPs in which valine replaces isoleucine (I) or
leucine (L) in the conserved sequence. To determine
whether DptF is the putative partner of DptE, we
expressed dptF using ... dptF using the pQTev vector in E. coli and
purified the resulting ACP as an N-terminal His7 fusion
protein (Fig. 3) with a yield of 9.5 mgÆL
)1
of culture.
The identity of the protein was proven ... [37].
Interestingly, in the case of the lipopeptide surfactin,
neither an acyl CoASH ligase-like domain nor an ACP
could be identified within the biosynthetic gene cluster
using bioinformatic tools...
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Báo cáo khoa học: Connection of transport and sensing by UhpC, the sensor for external glucose-6-phosphate in Escherichia coli ppt
Ngày tải lên :
08/03/2014, 08:20
... (b)
the translocation pathway in UhpC for the transport of
Glc6P; (c) the ability of UhpC to interact with UhpB in the
transmission of the induction signal; (d) the insertion of
UhpC into the ... effects of site-specific mutations of the
UhpC protein on both the transport and sensing
functions of this molecule. We mutated arginine residues
as these are known to be involved in binding of anions
to ... enterica and P. multocida); and D223 (that
appears in all UhpC-like proteins including HPTcp, but
not in the UhpT proteins).
The G213V exchange altered both the transport and the
sensor aspect of the...
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The Role of Savings and Wealth in Reducing ―Wilt‖ between Expectations and College Attendance pdf
Ngày tải lên :
15/03/2014, 10:20
... accumulating school savings may have effects apart from financing
school.
Conley (2001) finds that a doubling of net worth results in an 8.3% increase in the probability of
attending college. Further, ... for their youth.
Youth savings. Youth were asked in 2002 whether they had a savings or bank account in their name. If
they had an account, they were also asked whether they were saving some of ... None of the
existing research examines the effect of youth savings on college attendance, and only one study
examines the relationship between parent school savings and college attendance.
Theoretical...
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The Role of Higher Education in Economic Development docx
Ngày tải lên :
17/03/2014, 07:20
...
The Role of Higher Education in Economic Development Page 6 of 12
Identifying Needs of Business and Industry
Higher education connects workforce development to the economic development of the ... continuing impact on the economic development of the region. Together, the
institutions of higher education invite the public and private sectors, including business and
industry, education, civic ... education
The Role of Higher Education in Economic Development Page 3 of 12
Introduction
The role of higher education as a major driver of economic development is well
established, and this role...
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Báo cáo khoa học: Tertiary structure in 7.9 M guanidinium chloride ) the role of Glu53 and Asp287 in Pyrococcus furiosus endo-b-1,3-glucanase pot
Ngày tải lên :
30/03/2014, 04:20
... suggested by the lack of coincidence of
the changes in relative fluorescence intensity and in
k
and by the hysteresis of the reversibility process
(Fig. 4). At the end of the transition, the intrinsic ... that of the
wild-type; however, the integrity of the calcium bind-
ing site formed by Asp287 and Glu53 is essential for
interaction with the cation in 7.9 m GdmCl.
An interesting finding of the ... observed for the wild-type,
indicating the involvement of Glu53 and Asp287 in the
interaction with the cation (Fig. 1E,F). The regain of
aromatic chirality at 295 nm and in the 260–270 nm
region for...
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Báo cáo khoa học: The role of ADAM10 and ADAM17 in the ectodomain shedding of angiotensin converting enzyme and the amyloid precursor protein ppt
Ngày tải lên :
30/03/2014, 14:20
... critically involved
in blood pressure regulation due to its action in generating
angiotensin II and in inactivating bradykinin [1]. The
enzyme also has a role in the development of vascular
pathology and ... for the central role of ADAM10 and confirming that
TACE has a minor role in the a-secretase cleavage of APP
in human cells.
During the course of the present study it was reported
using an RNA interference ... acid-based
metalloprotease inhibitors [14] in the presence or absence
of APMA. In the majority of cases there was little difference
between the effect of inhibitors on the constitutive shedding
of ACE and the APMA-induced...
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Báo cáo khoa học: Role of the surface charges D72 and K8 in the function and structural stability of the cytochrome c6 from Nostoc sp. PCC 7119 potx
Ngày tải lên :
30/03/2014, 20:20
... repulsion in the vicinity
of the mutated position 72.
Urea-induced folding ⁄ unfolding of cyt c
6
: kinetic
parameters
The performed folding relaxation experiments also
allowed for the determination of ... barrier for the rate-determining step of the fold-
ing ⁄ unfolding transition is mainly determined by the
overall difference in Gibbs energy between the native
state (N) and the ensemble of unfolded ... Gibbs energy of unfolding than the
mutants, with the exception of D72A at pH 4 and 3,
and of the double mutants D72A ⁄ K8D and
Table 3. Thermal unfolding transition of wild-type cyt c
6
and its mutant...
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THE ROLE OF GOVERNMENT IN ECONOMIC DEVELOPMENT potx
Ngày tải lên :
31/03/2014, 05:21
... continuous service in
most parts of the country.
And they have to invest in education.
The state should also start on the development of the critical economic institutions,
their financial and ... within groups similar in their initial conditions and in their
choice of development- path. Intercountry differences in the extent of government
sponsored investment in infrastructure and industry ... important in explaining intercountry differences in rates of
economic growth of developing countries as long as there still were major bottlenecks in
internal transport and education and the overall investment...
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báo cáo sinh học:" The role of nurses and midwives in polio eradication and measles control activities: a survey in Sudan and Zambia" pdf
Ngày tải lên :
18/06/2014, 17:20
... monitoring and
evaluation) and the same proportion was involved in AFP
surveillance. On the other hand, in Zambia, nurses and
midwives were involved in the full range of functions for
SIAs and AFP ... managers of health programmes. The
finding that the nurses in Sudan were less involved in
planning of activities (15.2% in polio and in measles)
compared to 72.7% for polio and 90.9% for measles in
Zambia, ... general information on EPI and sup-
plementary vaccination activities in the district; (2) over-
all numbers and categories of health workers in the
district; (3) the role of nurses and midwives in...
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Báo cáo sinh học: " The role of mutational analysis of KIT and PDGFRA in gastrointestinal stromal tumors in a clinical setting" doc
Ngày tải lên :
18/06/2014, 19:20
... kinase
inhibitors.
The mutation of tyrosine kinase receptors is a
mechanism of d rug resistance occurring either at the
beginning of treatment (primary resistance) or during
the course of therapy (secondary ... downstream signaling pathway such as
AKT/mTOR, the activation of a n alternate tyrosine
kinase receptor and the loss of KIT expression, the
genomic amplification of KIT, and the gain of new KIT/
PDGFRA ... Open Access
The role of mutational analysis of KIT and
PDGFRA in gastrointestinal stromal tumors in a
clinical setting
Alessandra Maleddu
1*
, Maria A Pantaleo
1,2
, Margherita Nannini
1
and Guido...
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