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[期刊论文] 作者:Run-Hui Li,Juan-Juan Hou,Bei He,Ya-Ru Wang, 来源:中国物理C(英文版) 年份:2021
The discovery of[(I)]++cc has inspired new interest in studying doubly heavy baryons.In this study,the weak decays of a doubly charmed baryon Bcc to a light bar...
[学位论文] 作者:黄蔚然, 来源: 年份:2021
压电陶瓷可以实现机械能和电能互相转换,在滤波器、变压器、点火装置、电声器件、精密测量领域得到广泛应用。随着科学技术的快速发展,许多特殊领域比如石油勘测、航空航天和汽车发动机等,需要压电材料在高温条件下可以正常工作。传统的Pb(Zr,Ti)O_3(PZT)基压电陶瓷尽管拥有良好的压电活性,但是退极化温度比较低,不能在高温领域应用,并且Pb元素本身有毒,对人和环境有害。低温烧结可以实现价格低的金属如(...
[学位论文] 作者:赵婵, 来源:湖南师范大学 年份:2021
目的:探讨血压变异性(Blood pressure variability,BPV)在EF值降低型与非EF值降低型心衰患者之间的差异性。方法:本研究纳入在我院住院已完善24小时动态血压监测(Ambulatory blood pressure monitoring,ABPM)的慢性心力衰竭患者220例,将其分为射血分数降低组和非射血分数降低组。根据ABPM结果记录BPV,BPV用血压标准差表示,并记...
[学位论文] 作者:陶钢钢, 来源:南昌大学 年份:2021
[期刊论文] 作者:, 来源:传感器世界 年份:2021
Vishay推出第四代600V EF系列快速体二极管MOSFET器件——SiHH070N60EF。Vishay Siliconix n系列SiHH070N60EF导通电阻比其前代器件低29%,为通信、工业、计算和企业级电源应...
[学位论文] 作者:于跃, 来源: 年份:2021
[学位论文] 作者:雷霞, 来源: 年份:2021
[期刊论文] 作者:Peng Niu, 来源:智能信息管理(英文) 年份:2021
The purpose of this paper is to provide empirical evidence for the validity of the relationship between service-oriented manufacturing information system (SMIS)...
[学位论文] 作者:杜伟鹏, 来源: 年份:2021
随着社会主义市场经济的不断深化,“阳光采购”的理念更加社会化和普及化。在集中规模采购和供应商一体化的战略伙伴关系要求的背景下,市场消费开始向着更加智能化和数字化的方向转型,传统的物资供应模式受到了空前严峻的市场挑战。为了提升企业的市场核心竞争能力,企业亟需更加高效的管理模式,项目化管理作为适应目前市场竞争形势和经济体制改革的新型管理模式,其理论与实践得到了越来越多的企业的关注和应用。本文以BF公司...
[期刊论文] 作者:Jiping QUAN,Yongkang XUE,Qingyun DUAN,Zhenxin LIU,Keith W.OLESON,Ye LIU, 来源:气象学报(英文版) 年份:2021
Eastern China has experienced rapid urbanization during the past four decades,and it is necessary to understand the impacts of the urbanization on the regional climate.Previous simulations with either regional climate models(RCMs)or general circulation mo...
[期刊论文] 作者:Jie Song,Jun Li,Xiangren Bai,Liang Kang,Liying Ma,Naiqin Zhao,Shuilin Wu,Yuan Xue,Jiajun Li,Xiaojian Ji,Junwei Sha, 来源:材料科学技术(英文版) 年份:2021
Low photothermal conversion efficiency restricts the antibacterial application of photothermal materials.In this work,two-dimensional carbon nanosheets (2D C) were prepared and decorated with Cu nanopar-ticles (2D C/Cu) by using a simple soluble salt temp...
[期刊论文] 作者:Mohammad Tavakkoli Yaraki,Min, 来源:纳微快报:英文版 年份:2021
Dual-functional aggregation-induced photosensitizers(AIE-PSs)with singlet oxygen generation(SOG)ability and bright fluorescence in aggregated state have receive...
[期刊论文] 作者:Mohammad Tavakkoli Yaraki,Min Wu,Eshu Middha,Wenbo Wu,Soroosh Daqiqeh Rezaei,Bin Liu,Yen Nee Tan, 来源:纳微快报(英文) 年份:2021
Dual-functional aggregation-induced photosensi-tizers (AIE-PSs) with singlet oxy-gen generation (SOG) ability and bright fluorescence in aggregated state have r...
[期刊论文] 作者:Juanyong Wan,Yonggao Xia,Junfeng Fang,Zhiguo Zhang,Bingang Xu,Jinzhao Wang,Ling Ai,Weijie Song,Kwun Nam Hui,Xi Fan,Yongfang Li, 来源:纳微快报(英文) 年份:2021
Nonfullerene organic solar cells (OSCs) have achieved break-through with pushing the Efficiency exceeding 17%. While this shed light on OSC commercialization, hi...
[期刊论文] 作者:丁晓贵,胡丁丁, 来源:安徽工程大学学报 年份:2021
在高速下行分组接入中,由于中继下用户差异性,很难保证基站用户和中继用户之间调度公平。通过对用户瞬时吞吐率、用户过往平均吞吐率等指标记录,合理利用它们设置调度优先级...
[期刊论文] 作者:Atila Poro,Fahri Alicavus,Eduardo Fernández-Lajús,Fatemeh Davoudi,PegahSadat MirshafieKhozani,Mark G.Blackford,Edwin Bud, 来源:天文和天体物理学研究:英文版 年份:2021
A new ephemeris,period change analysis and light curve modeling of the W UMa-type eclipsing binary BF Pav are presented in this study.Light curves of the system taken in BVRI filters from two observatories,in Australia and Argentina,were modeled using the...
[期刊论文] 作者:Atila Poro,Fahri Alicavus,Eduardo Ferández-Lajús,Fatemeh Davoudi,PegahSadat MirshafieKhozani,Mark G.Blackford,Edwin Budding,Behjat Zarei Jalalabadi,Jabar Rahimi,Farzaneh Ahangarani Farahani, 来源:天文和天体物理学研究 年份:2021
A new ephemeris,period change analysis and light curve modeling of the W UMa-type eclipsing binary BF Pav are presented in this study.Light curves of the system taken in BVRI filters from two observatories,in Australia and Argentina,were modeled using the...
[学位论文] 作者:王亚妮, 来源: 年份:2021
[学位论文] 作者:王宇, 来源: 年份:2021
[学位论文] 作者:郑权, 来源:河北科技大学 年份:2021
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