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A rapid and accurate direct measurement method of underground coal seam gas content based on dynamic
[期刊论文] 作者:Yanwei Liu,Yang Du,Zhiqiang Li,
来源:矿业科学技术学报:英文版 年份:2020
Coal seam gas content is frequently measured in quantity during underground coal mining operation and coalbed methane(CBM)exploration as a significant basic par...
Aeroelastic two-level optimization for preliminary design of wing structures considering robust cons
[期刊论文] 作者:Wan Zhiqiang,Zhang Bocheng,Du Zi,
来源:Chinese Journal of Aeronautics 年份:2020
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[期刊论文] 作者:Run Xu,Zhiqiang Chen,
来源:电气科学与工程(英文) 年份:2020
The brush lock is due to assembly tightly during assembling three gripper so that it curls after some time in motor and bare motors.The motor happen to have cur...
[期刊论文] 作者:Meng Huang,Zhiqiang Xu,
来源:计算数学(英文版) 年份:2020
We consider the rank minimization problem from quadratic measurements,i.e.,recovering a rank r matrix X ∈ Rn×r from m scalar measurements yi =aTiXXT ai,ai ∈R...
[期刊论文] 作者:LIU Zhiqiang,YAN Naixin,
来源:人权(英文版) 年份:2020
A happy life is the pursuit, enjoyment, and realization of ever more complex needs in a circular way under objective conditions. In terms of its constituent ele...
[期刊论文] 作者:Junyan Du,
来源:财经研究杂志(英文) 年份:2020
Microblog marketing is that the enterprise uses the platform of Sina microblog to carry out its own marketing activities.Every fan and even every netizen are po...
[期刊论文] 作者:Junyan Du,
来源:教育理论与管理杂志(英文) 年份:2020
DOVE is one of the chocolate brands launched by MARS in China.For more than ten years since DOVE entered the Chinese market,she has continuously adjusted her ma...
[期刊论文] 作者:Maolin Du,
来源:力学快报:英文版 年份:2020
Under improper transformations,the traditional transformation laws for cross products,the permutation tensor,and rotations are incorrect.For a cross product,usi...
[期刊论文] 作者:DU ZHANYUAN,
来源:今日中国:英文版 年份:2020
亚洲基础设施投资银行2013年10月,中国国家主席习近平提出了筹建亚洲基础设施投资银行(简称亚投行)的倡议。在历经800余天筹备后,由中国倡议成立、57国共同筹建的亚投行于201...
[期刊论文] 作者:Yu Du,
来源:中国对外贸易:英文版 年份:2020
At the start of 2020,the sudden outbreak of the COVID-19 virus plummeted the Chinese market into shock,threatening the survival of many enterprises.According to...
[期刊论文] 作者:Yu Du,
来源:中国对外贸易:英文版 年份:2020
Central and eastern Europe(CEE) has been a transportation hub that links East and West. In 2012, the China-CEE working cooperation mechanism was launched. With...
[期刊论文] 作者:Yu Du,
来源:中国对外贸易:英文版 年份:2020
The development of network technology has fundamentally changed the way and approach for knowledge acquisition. The emergence of mobile networks has created a n...
[期刊论文] 作者:Yu Du,
来源:中国对外贸易:英文版 年份:2020
When talking about technologicalinnovationand consumer upgrades,it remains a commonconcern for governments, enterprisesand society to see how the retail industr...
[期刊论文] 作者:Fujun Du,
来源:化学物理学报 年份:2020
Newly born stars are surrounded by gas and dust with a attened axisymmetric distribution termed protoplanetary disk,in which planets are formed.Observations of...
[期刊论文] 作者:Yu Du,
来源:中国对外贸易:英文版 年份:2020
On November 152020 the fourth summit conference for the Regional Comprehensive Economic Partnership(RCEP)was held online.At the event,leaders from 15 member cou...
[期刊论文] 作者:Rong Du,
来源:环境保护(英文) 年份:2020
Compared with megacity, the medium-sized city is playing a more and more important part in the rapid urbanization process in China. Due to the expanding scale o...
[期刊论文] 作者:DU Yan,
来源:中美英语教学:英文版 年份:2020
Vocabulary is the basis of English learning.The mastery of vocabulary directly affects the development of students’listening,speaking,reading,writing,translati...
[期刊论文] 作者:Guangzhi DU,
来源:数学物理学报(英文版) 年份:2020
In this article,two kinds of expandable parallel finite element methods,based on two-grid discretizations,are given to solve the linear elliptic problems. Compa...
[期刊论文] 作者:Dapeng DU,
来源:数学年刊B辑(英文版) 年份:2020
The author proposes an alternative way of using fixed point theory to get the existence for semilinear equations.As an example,a nonlocal ordinary differential...
[期刊论文] 作者:Fei Du,
来源:分子植物(英文版) 年份:2020
In contrast to higher animals,plants maintain the capacity of generating new organs throughout their lifespan.Stem cells in shoot meristem provide the source of...
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