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[期刊论文] 作者:hanze GAO,Hui MA, 来源:中国数学前沿:英文版 年份:2021
We consider the closed orientable hypersurfaces in a wide class of warped product manifolds, which include space forms, deSitter-Schwarzschild and Reissner-Nordström manifolds. By using an integral formula or Brendle’s Heintze-Karcher typ......
[期刊论文] 作者:Ma Shexiang,Mei Xiaobing, 来源:中国邮电高校学报:英文版 年份:2021
To reduce the side-lobe level of L-shaped expansion array and improve the output signal to interference and noise ratio(SINR),the algorithm of side-lobe constraint based on minimum variance distortionless response(MVDR-SC)is proposed.Firstl......
[期刊论文] 作者:Siyi Wang,Xiaotian Ma, 来源:教育理论综述(英文) 年份:2021
As it’s known to all,language is produced before written words,and speeches are also produced before speech drafts.Speech is not a simple oral expression,but a kind of language art.Many masterpieces that have been handed down for thousands......
[期刊论文] 作者:Xiu-fang ZHANG,Jun MA, 来源:浙江大学学报(英文版)(A辑:应用物理和工程) 年份:2021
Inspired by the photoelectric effect, a phototube is incorporated into a simple neural circuit, and then the output volt-age and dynamics become sensitive to ex...
[期刊论文] 作者:MA Xue,WEN Chenglin, 来源:电子学报(英文版) 年份:2021
The federated learning method based on model aggregation can balance data and protect privacy, but the existing methods are difficult to achieve the effectivene...
[期刊论文] 作者:MA Jianhua,GUO Bin, 来源:中兴通讯技术:英文版 年份:2021
Behavior sensing and recognition is the core technology that enables a wide variety of applications,e.g.,healthcare,smart homes and public safety.Traditional approaches mainly use cameras and mobile/wearable sensors.However,all these approa......
[期刊论文] 作者:HAN Xue,Ma Wen-li, 来源:文学与艺术研究:英文版 年份:2021
Chuanxilu is a collection of Wang Yangming’s questions&answers and letters on learning.It is a masterpiece of Neo Confucianism since the pre-Qin period.This paper,from the perspective of translation poetics,takes two English versions of Ch......
[期刊论文] 作者:Hui Li,Yue-Feng Ma, 来源:中华创伤杂志(英文版) 年份:2021
Purpose:The injury severity score (ISS) and new injury severity score (NISS) have been widely used in trauma evaluation.However,which scoring system is better in trauma outcome prediction is still disputed.The purpose of this study is to ev......
[期刊论文] 作者:Luyong Ren,Xiaohu Ma, 来源:电脑和通信(英文) 年份:2021
The manuscript developed an optimal frequency band transmission system structure of QPSK. The software programming experiment of this complete QPSK optimal band transmission system is designed and realized based on Matlab. The experimental ......
[期刊论文] 作者:Zihan Li,Zhaofeng Ma, 来源:中国通信:英文版 年份:2021
With the in-depth application of new technologies such as big data in education fields,the storage and sharing model of student education records data still faces many challenges in terms of privacy protection and efficient transmission.In ......
[期刊论文] 作者:Limin Tan,Changxi Ma, 来源:交通运输工程学报(英文版) 年份:2021
To understand whether commuters will take rail transit during the COVID-19 pandemic,a logistic regression model was constructed from three aspects of personal a...
[期刊论文] 作者:Huaqiao LIU,Li MA, 来源:数学年刊B辑(英文版) 年份:2021
In this paper,the authors consider a class of generalized curve flow for convex curves in the plane.They show that either the maximal existence time of the flow...
[期刊论文] 作者:Lulu Ma,Xuerong Yu, 来源:中国医学科学杂志:英文版 年份:2021
Pheochromocytomas or paragangliomas are rare and the diagnosis remains a challenge for clinicians.We present a woman suffering from recurrent myocardial infarction and cardiomyopathy,who was finally diagnosed with paraganglioma.Pheochromocy......
[期刊论文] 作者:Qi YUAN,Ming-Guo MA, 来源:材料学前沿 年份:2021
Conductive films have emerged as appealing electrode materials in flexible supercapacitors owing to their conductivity and mechanical flexibility.However,the un...
[期刊论文] 作者:Jianmin Ma,Yu-Tao Li, 来源:金属学报(英文版) 年份:2021
Rechargeable Li-ion batteries were first commercialized in 1991 by Sony company, and the current portable electronic devices and electric vehicles powered by re...
[期刊论文] 作者:朱永中,Jin Ma, 来源:现代商业 年份:2021
针对企业规模与研发创新的驱动关系,本文从博弈论的视角出发,透过无博弈下企业创新、博弈下大企业创新与小企业剧烈创新的三种情景,深入剖析不同规模企业博弈下创新驱动的内...
[期刊论文] 作者:Li Yingtao,Ma Zhitao, 来源:当代社会科学(英文) 年份:2021
The Qiang ethnic group in southern Songpan county lives in vernacular plank houses(VPHs) with an architectural tradition that dates to the period of the ancient...
[期刊论文] 作者:朱永中,Jin Ma, 来源:现代商业 年份:2021
针对企业规模与研发创新的驱动关系,本文从博弈论的视角出发,透过无博弈下企业创新、博弈下大企业创新与小企业剧烈创新的三种情景,深入剖析不同规模企业博弈下创新驱动的内...
[期刊论文] 作者:Yutao MA,Zhengliang ZHANG, 来源:中国数学前沿 年份:2021
We give a two sided estimate on the spectral gap for the Boltzmann measures μh on the circle.We prove that the spectral gap is greater than 1 for any h∈R and...
[期刊论文] 作者:Mingguo Ma,Xingxiang Ji, 来源:造纸与生物质材料:英文版 年份:2021
In addition to cellulose and lignin,hemicellulose is an important biomass material.Recently,hemicellulose and its derivatives and materials have attracted increasing attention owing to their unique structures,improved properties,and promisi......
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