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40 samples are selected from
the collected China’s strategic emerging industry (SEI) policies on the level
of central government from 2010 to 2013, and policy content analysis is applied
to conduct a textual and quantitative research on them. Through constructing a
two-dimensional analytical framework of “industry development dimension” and “policy
support dimension”, this paper makes a statistical analysis on the frequency of
certain words counts in China's SEI policies. The results show that China's SEI
policies are characterized as focused keywords, innovation as the first key element,
excessive planning and insufficiency of demand-based policy.
According to the need of curriculum construction, and combined with “C&C08 SPC Switching Comprehensive Experimental Platform”, a new mode of practice teaching innovation and exploration for the foundation course SPC Switching Fundamentals had been presented. Through reforming, students’ comprehensive practical ability was improved, comprehensive quality education was really carried out in the course of teaching, and adaptability to the need of the society had been enhanced. The practice teaching innovation plays positive exemplary role for practice innovation and construction of similar undergraduate course.
Due to the special features of great inertia, pure lag
and non-linearity provided with wind turbine, coupled with complex and variable
working condition, it is difficult to achieve satisfactory control results simply
by employing traditional PID, which has the drawbacks such as adjustment
inconvenience, poor anti-interference, and large overshoot, and prolonged
adjust span. This paper puts forward one type of improved controller combining
Fuzzy Control with PID Control. With larger speed deviation, the controller emphasizes
Fuzzy Control to speed system response; with less speed deviation, the
controller emphasizes PID Control to improve control accuracy. Simulation Test
directing at the algorithm is based on the Bladed software, with the positive
result of improved dynamic and static performance of wind turbine under large
The planar Ramsey number PR (H1, H2) is the smallest integer n such that any planar graph on n vertices contains a copy of H1 or its complement contains a copy of H2.
It is known that the Ramsey number R(K4 -e, K6)
= 21, and the planar Ramsey numbers PR(K4 - e, Kl)
for l ≤ 5 are known. In this paper,
we give the lower bounds on PR (K4 ? e, Kl) and determine
the exact value of PR (K4 - e, K6).