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检索条件""
18808 条 记 录,以下是4681-4690 订阅
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One-day thermal regime extends the lifespan in caenorhabditis elegans
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cOMPUTATIONAL AND STRUcTURAL BIOTEcHNOLOGY JOURNAL 2023年 21卷 495-505页
作者: Huang, Jichang Wang, Kai Wang, Mengqing Wu, Zhen Xie, Guangjie Peng, Yuling Zhang, Yan Zhang, Xumin Shao, Zhiyong Fudan Univ Sch Life Sci Dept Biochem State Key Lab Genet Engn Shanghai 200438 Peoples R China Fudan Univ Zhongshan Hosp Dept Neurosurg State Key Lab Med NeurobiolInst Brain Sci Shanghai 200032 Peoples R China Fudan Univ Zhongshan Hosp Inst Brain Sci MOE Frontiers Ctr Brain Sci Shanghai 200032 Peoples R China Inst Geriatr Cardiovasc Dis Chengdu Med Coll Chengdu 610000 Sichuan Peoples R China Guangdong Acad Med Sci Guangdong Prov Peoples Hosp Guangdong Prov Key Lab Pathogenesis Targeted Prevent & Treatment Heart DisGuangdong C Guangzhou 510080 Guangdong Peoples R China Sichuan Univ West China Hosp Natl Clin Res Ctr Geriatr State Key Lab Biotherapy Chengdu 610041 Sichuan Peoples R China
Environmental factors, including temperature, can modulate an animal's lifespan. However, their under-lying mechanisms remain largely undefined. We observed a profound effect of temperature on the aging of caenorh... 详细信息
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Field enhancement assisted graphene-based microring modulator for high modulation depth
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IET OPTOELEcTRONIcS 2020年 第6期14卷 391-398页
作者: Joshi, Swati Kaushik, Brajesh Kumar Indian Inst Technol Roorkee Dept Elect & Commun Engn Microelect & VLSI Grp Roorkee 247667 Uttarakhand India
This study aims at optimising the graphene coverage in a microresonator for the design of an efficient modulator by using a combination of graphene induced losses and phase shift. The graphene integration in the ring ... 详细信息
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Magnetic molecular materials
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cURRENT OPINION IN SOLID STATE & MATERIALS ScIENcE 1996年 第2期1卷 192-198页
作者: Gatteschi, D Department of Chemistry University of Florence Via Maragliano 77 50144 Florence Italy
Magnetic molecular materials are actively investigated along two different but complementary lines of research, that of designing bulk magnets with permanent magnetization, possibly with high critical temperatures, an... 详细信息
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Nicotine Upregulates coaggregation of candida albicans and Streptococcus mutans
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JOURNAL OF PROSTHODONTIcS-IMPLANT ESTHETIc AND REcONSTRUcTIVE DENTISTRY 2019年 第7期28卷 790-796页
作者: Ashkanane, Ali Gomez, Grace F. Levon, John Windsor, L. Jack Eckert, George J. Gregory, Richard L. Indiana Univ Sch Dent Dept Prosthodont Indianapolis IN 46202 USA Indiana Univ Sch Dent Dept Biomed & Appl Sci 1121 W Michigan St Indianapolis IN 46202 USA Indiana Univ Dept Biostat Sch Med Indianapolis IN 46202 USA
Purpose Denture stomatitis is a condition of painless inflammation of denture-bearing mucosa. Reports indicate that nicotine, the major psychoactive ingredient in tobacco, increases growth of Streptococcus mutans and ... 详细信息
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Organic carbon fluxes from the upper Yangtze basin: an example of the Longchuanjiang River, china
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HYDROLOGIcAL PROcESSES 2012年 第11期26卷 1604-1616页
作者: Lu, X. X. Li, Siyue He, Min Zhou, Yue Li, Li Ziegler, Alan D. Natl Univ Singapore Dept Geog Singapore 117570 Singapore Yunnan Univ Finance & Econ Global Change & Watershed Management Ctr Kunming 650221 Peoples R China
To investigate the effects of anthropogenic activity, namely, land use change and reservoir construction, on particulate organic carbon (POc) transport, we collected monthly water samples during September 2007 to Augu... 详细信息
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Pressure-induced structural phase transition in transition metal carbides TMc (TM = Ru, Rh, Pd, Os, Ir, Pt): a DFT study
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PHILOSOPHIcAL MAGAZINE 2018年 第7期98卷 541-559页
作者: Manikandan, M. Rajeswarapalanichamy, R. Iyakutti, K. NMSSVN Coll Dept Phys Madurai Tamil Nadu India SRM Univ Dept Phys & Nanotechnol Chennai Tamil Nadu India
First-principles calculations based on density functional theory was performed to analyse the structural stability of transition metal carbides TMc (TM=Ru, Rh, Pd, Os, Ir, Pt). It is observed that zinc-blende phase is... 详细信息
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Achievement of high-purity carbon nanofibres via peeling process
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MIcRO & NANO LETTERS 2020年 第14期15卷 1038-1040页
作者: Zhao, Xianglong chen, Bin Shandong Jianzhu Univ Sch Sci Jinan 250101 Peoples R China Chinese Acad Sci Inst Solid State Phys Key Lab Mat Phys Hefei 230031 Peoples R China Chinese Acad Sci Inst Solid State Phys Anhui Key Lab Nanomat & Nanotechnol Hefei 230031 Peoples R China
The authors report a facile approach to high-purity carbon nanofibres (cNFs), by performing chemical vapour deposition on aluminium foils loaded with metal (nickel or cobalt) nitrates, and then peeling the as-grown cN... 详细信息
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Electrochemical capacitors utilizing low surface area carbon fiber
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IEEE AEROSPAcE AND ELEcTRONIc SYSTEMS MAGAZINE 1997年 第7期12卷 27-30页
作者: Lipka, SM Department of Occan Engineegine Florida Atlantic University Boca Raton FL USA
The performance of electrochemical capacitors containing different commercial carbon fibers is reviewed. High specific capacitance (ca. 300 F/g) is obtained with low surface area carbon fiber (< 1 m(2)/g) using a p... 详细信息
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Graphene-based THz modulator analysed by equivalent circuit model
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MIcRO & NANO LETTERS 2016年 第8期11卷 439-442页
作者: Xiao, Binggang chen, Jing Xie, Zhiyi Xiao, Sanshui Ji Liang Univ China Coll Informat Engn Hangzhou 310018 Zhejiang Peoples R China Tech Univ Denmark Dept Photon Engn DK-2800 Lyngby Denmark
A terahertz (THz) modulator based on graphene is proposed and analysed by use of equivalent transmission line of a homogeneous medium and the local anisotropic model of the graphene conductivity. The result calculated... 详细信息
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characterisation of a carbon nanotube random network conjugated by semiconductor nanoparticles with defined nanometre-scaled gaps
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MIcRO & NANO LETTERS 2012年 第8期7卷 753-756页
作者: Kumagai, S. Okamoto, N. Kobayashi, M. Yamashita, I. Toyota Technol Inst Dept Adv Sci & Technol Nagoya Aichi 468 Japan Nara Inst Sci & Technol Grad Sch Mat Sci Nara Japan Japanese Fdn Canc Res Inst Canc Tokyo 170 Japan
Utilising a biological material, a novel cNT nanostructure conjugated by semiconductor nanoparticles (NPs) was synthesised intended for electronics devices with unprecedented properties. A peptide aptamer that has an ... 详细信息
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