搜索筛选:
搜索耗时3.6058秒,为你在为你在102,285,761篇论文里面共找到 1,000 篇相符的论文内容
类      型:
[期刊论文] 作者:LI Xiang,MA Beibei,LU Chunxia,YANG He,SUN Mengyu,, 来源:Chinese Geographical Science 年份:2021
The north-south transitional zone in China mainly consists of the Qinling-Daba Mountains. It is the most important West-East geo-ecological space in China, containing protected areas vital for biodive...
[期刊论文] 作者:Ming Gao,Zheng Ma,Iniobong P.Etim,Li-Li Tan,Ke Yang, 来源:稀有金属(英文版) 年份:2021
Good mechanical properties and corrosion resistance are the key factors for the application of biodegradable magnesium alloy wires as new medical implant materi...
[期刊论文] 作者:Du Xuwei,Chen Dong,Liu Huajiang,Ma Zhaokun,Yang Qianqian,, 来源:The Journal of China Universities of Posts and Telecommunica 年份:2021
Aiming at the shortcomings of current gesture tracking methods in accuracy and speed, based on deep learning You Only Look Once version 4(YOLOv4) model, a new YOLOv4 model combined with Kalman filter...
[期刊论文] 作者:Yang Lü,Kai Lu,Youxiang Bai,Yulong Ma,Yongsheng Ren, 来源:中国化学工程学报(英文版) 年份:2021
Due to the high salt content of coal chemical wastewater,pipeline fouling often occurs during wastew-ater treatment.Fouling will cause the diameter of the pipe to shrink or even block,which is not conducive to the safe and stable operation ......
[期刊论文] 作者:Chen Xu,Zhenyi Du,Shiqi Yang,Hongda Ma,Jie Feng, 来源:中国化学工程学报(英文版) 年份:2021
Biochar supported nickel (Ni/BC) has been widely studied as a cheap and easy-to-prepare catalyst with potential applications in tar reforming during the gasification of low-rank fuels,such as brown coal and biomass.However,the role and beha......
[期刊论文] 作者:Fangrong ZHOU,Yi MA,Hao PAN,Bin ZOU,Jing YANG, 来源:气象与环境研究:英文版 年份:2021
The propagation of the lightning-radiated electromagnetic field along the real irregular terrain around Yangzhou Direction Finder(DF)site(119°42′E,32°39′N)and Nanjing DF site(118°46′E,32°03′N)of Jiangsu Province in China is estimate......
[期刊论文] 作者:Wentong Zhang,Qing Zhou,Wei Yang,Jiaguo Ma,Jie Tan, 来源:地质学期刊(英文) 年份:2021
The sand layer B of Dongying Formation of CFD oilfield in Bohai offshore belongs to the middle deep layer of buried hill overlap deposit. Its reservoir distribution has the characteristics of large burial depth, thin thickness and rapidly l......
[期刊论文] 作者:Yang SHAO,Xian-yi WANG,Xiang QIU,Li-li NIU,Zhong-liang MA, 来源:当代医学科学(英文) 年份:2021
Objective Bacillus strains are well known for their natural bioactive products that have antimicrobial and/or anti-cancer activities.Many of Bacillus’structurally unique metabolites can combat human diseases,including cancers.However,becau......
[期刊论文] 作者:Yan-Qing Ma,Yang Wen,Hong Liang,Jian-Guo Zhong,Pei-Pei Pang, 来源:世界胃肠病学杂志:英文版 年份:2021
BACKGROUND Synchronous liver metastasis(SLM)is an indicator of poor prognosis for colorectal cancer(CRC).Nearly 50%of CRC patients develop hepatic metastasis,with 15%-25%of them presenting with SLM.The evaluation of SLM in CRC is crucial fo......
[期刊论文] 作者:Liang ZHANG,Dongli MA,Muqing YANG,Xinglu XIA,Yuan YAO, 来源:中国航空学报(英文版) 年份:2021
Solar drones have garnered considerably research attention in recent years due to their continuous cruising capability,and the feasibility of design schemes is sensitive to the weight of structure.Sandwich box beam composed of carbon fiber ......
[期刊论文] 作者:Ying-Ying Yang,Pei Gong,Wan-Duo Ma,Rui Hao,Xiao-Yong Fang, 来源:中国物理B(英文版) 年份:2021
Silicon carbide nanotubes (SiCNTs) have broad application prospects in the field of micro-nanodevices due to their excellent physical properties.Based on first-...
[期刊论文] 作者:Xi-Kun Feng,Xiao-Feng Gu,Qin-Ling Ma,Yan-Ni Yang,Hai-Lian Liang, 来源:中国物理B(英文版) 年份:2021
Ultra-high-voltage (UHV) junction field-effect transistors (JFETs) embedded separately with the lateral NPN (JFET-LNPN),and the lateral and vertical NPN (JFET-L...
[期刊论文] 作者:Yang Zhang,Yu-Bo Ma,Xin-Ping Li,Yu Guo,Chang-Shui Yu, 来源:中国物理B(英文版) 年份:2021
The perfect photon absorption is studied in a cavity quantum electrodynamics (CQED) system,in which an optical parameter amplifier (OPA) is coupled to the cavit...
[期刊论文] 作者:Bo Li,Yuan-Wei Zhang,Xiao Liu,Li Ma,Jun-Xing Yang, 来源:动物学研究 年份:2021
Intermuscular bones(IBs)are slender linear bones embedded in muscle,which ossify from tendons through a process of intramembranous ossification,and only exist i...
[期刊论文] 作者:ZHANG Dong-liang,LI Yao-ming,LI Kai-hui,MA Xue-xi,YANG Yun-peng, 来源:山地科学学报(英文版) 年份:2021
A pollen study was conducted on an alpine marsh sediment in the Son Kul Basin and was allowed to reconstruct changes in vegetation dynamics and climatic informa...
[期刊论文] 作者:LIU Gai-Mei,MA Wei-Jia,WANG Yan,YANG Yan,SONG Xin-Jian, 来源:结构化学 年份:2021
Excited-state intramolecular proton transfer(ESIPT)reactions of three ortho-hydroxylated oxazolines,2-(4,4-dimethyl-4,5-dihydro-oxazol-2-yl)-phenol(DDOP),4-(4,4...
[期刊论文] 作者:Jun Ma,Yang Wu,Song Xiao,Sheng-Pu Niu,Kai Wang, 来源:天文和天体物理学研究:英文版 年份:2021
Phased array feeds(PAFs),which illuminate the dish with digitally synthesized beams instead of separated horns,provide the capability for wider and continuous f...
[期刊论文] 作者:Xiao Zhang,Sai Ma,Jingbi You,Yang Bai,Qi Chen, 来源:半导体学报(英文版) 年份:2021
Interfacial engineering has made an outstanding contribution to the development of high-efficiency perovskite solar cells(PSCs).Here,we introduce an effective interface passivation strategy via methoxysilane molecules with different termina......
[期刊论文] 作者:Wang Du,Liping Ma,Jing Yang,Wei Zhang,Ran Ao, 来源:中国化学工程学报(英文版) 年份:2021
Phosphogypsum (PG) is a solid waste produced in the wet process of producing phosphoric acid.Lignite is a kind of promising chemical raw material.However,the high sulfur of lignite limits the utilization of lig-nite as a resource.Based on f......
[期刊论文] 作者:ZHANG Zhao,YANG JingChao,HUANG WeiLiang,MA Jun,LI Heng, 来源:中国科学:技术科学(英文版) 年份:2021
Heat-assisted rotary draw bending(HRDB)is a promising technique for manufacturing difficult-to-form tubular components comprising high-strength titanium tubes(HSTTs)with small bending radii.However,as a multidie constrained and thermo-mecha......
相关搜索: