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J. Comput. Sci. Eng. Vol.
15 (2014)
519-545 |
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The Construction
Research of Inventory Portfolio Pledge Rate Model |
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Siyuan
Li, Tianyang Gao and Qilei Liu
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J. Comput. Sci. Eng.
15 (2014) 519-524
¡ªPublished
December 22, 2014 |
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Abstract:
In this paper, Li2CoSiO4 with a space group of Pmn21
that was synthesized by hydrothermal route at 160 ¡æ. A
series of Li2CoSiO4 with different structures produced
after the as-prepared sample calcined at different
temperatures (400, 600 and 800 ¡æ). Based on the results
from electrochemical impedance spectroscopy, as it is
well known that Li2CoSiO4 obtained at 800 ¡æ shows the
best dynamic properties among four samples. Furthermore,
the reversible discharge capacity of 201.5 mAh/g can be
delivered in this compound, which is higher than that
released by other samples. Therefore, Li2CoSiO4 prepared
at 800 ¡æ is a potential cathode candidate for
lithium-ion batteries. |
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Keywords:
Hydrothermal method; Li2CoSiO4; Heat-treatment;
Electrochemical analysis; Charge discharge efficiency.
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Download (free)
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Research about College Students' Reading
Pattern in Mobile Internet Era
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Lina Gao |
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J. Comput. Sci. Eng. 15 (2014) 525-529 ¡ª Published December
22, 2014
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Abstract:
In the investigation and study about the mobile reading,
data is nearly obtained from questionnaire, and combined
with statistical analysis tools such as SPSS to obtain
data for further sorting, analysis and induction, we can
get meaningful conclusions. The new reading mode based
on the mobile Internet and mobile terminal has become an
important part of college students' future reading
behavior. Studying the status quo of college students'
mobile reading, effectively using the advantages and
avoiding disadvantages are our current work which needs
to solve to develop reading service and guide. In this
paper it will analyze the driving factors produced by
the college students' mobile reading behavior. And then
it briefly introduces two methods of mobile reading,
which aimed at providing the reference for the college
students' reading mode on the mobile Internet for
further research. |
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Keywords:Mobile
reading; Mobile reading behavior; Reading mode.
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Download (free)
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Grade
Research on Engineering Standardization of Community
Project Site Information Systems |
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Xin Xu, Fang Li and Tao Lin
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J. Comput. Sci. Eng. 15 (2014) 530-538 ¡ª Published December
22, 2014
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Abstract:
Three-dimensional site model constitute the
infrastructure of digital city, and provides support
for virtual construction simulation. This paper
comprehensive discussed the architecture of
information systems, standardized design and
standardized management, spatial positioning
information, classification and coding, data
structures and exchange formats, hardware and
software environment, data quality control, system
implementation and maintenance, system security and
confidentiality. Those technical advices can
effectively promote the combination of project
management and community administration.
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Keywords:
Project sites; Information systems; Standardization.
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Research about
College Students' Mobile Reading Behavior in New Media Era
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Lei Xue
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J. Comput. Sci. Eng. 15 (2014) 539-542 ¡ª Published December
22, 2014
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Abstract:
Reading is an important means to know the world, the
development and continuing civilization for human.
Reading object changes with the change of language
carrier. New media is a new media form under the
technical support system. With the advent of the new
media era, network media, e-book, mobile phones and
other new media based on the Internet appeared and
profoundly changed the way of reading, and they
triggered reading a fundamental change. The way of
reading all the way is changing from the stupid media
era, paper media era, and electronic media era to new
media age. Where we provide 100 questionnaires, and 99
questionnaires have been taken back. Through reading
questionnaire survey of students, we analyze the way to
acquire knowledge by reading for college students in the
era of new media and study how to improve the thinking
and countermeasures of college students' reading
ability. It can be seen that it will have a very
important significance. |
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Keywords:
New media; Questionnaire survey; College students.
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Download (free)
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Study of the
Dynamics Characteristic on Pupils Walk with Heelys
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Qiner Qiu and Siyuan Li
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J. Comput. Sci. Eng. 15 (2014) 543-545 ¡ª Published December
22, 2014
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Abstract:
To study the dynamics characteristics of primary school
boys with Heelys. To analyze three different gaits of
fifteen primary school boys walking with sneakers ,
closed-wheel Heelys (CWH) and open-wheel Heelys (OWH)
using the German Novel Pedar-x plantar pressure test
system. It showed that plantar pressure, peak pressure
and impulse all increased gradually on forefoot area,
they became smaller on midfoot and rearfoot with the
increasing of heel height. Then the dynamics index
existed significant differences (P£¼0.05) when pupils
wore sneakers, CWH and OWH. It was suggested that pupils
did not wear Heelys so long. |
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Keywords:Heelys;
Sneakers; Dynamics characteristics.
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¡ª¡ª from ACSS |