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368篇 您的检索式:作者名="Ritchie D"
    题名 作者 年代 出处 被引量
1一种新型的高频半导体量子点单电子泵显示文摘除了直流负电压外,还在浅法刻蚀出的GaAs/AlGaAs量子线上的两个金属指形门上分别叠加两个相位相差π的正弦信号,从而对形成量子点的两个势垒作不等幅调制.在无源漏偏压的情况下,通过周期形成的量子点实现了单电子的搬运.由于新的半导体量子点单电子泵不是依赖库仑阻塞效应通过隧穿进行单电子输运,因此,该器件就不会受到固定隧穿时间引起的低工作频率限制.在1.7K温度下,频率达到3GHz仍然可以观测到量子化电流平台,对应的电流值达到0.5nA量级.这种新器件提供了实现高速度、高精度搬运单电子的另一种可能途径.李玲 Kaestner B Blumenthal M D Giblin S Janssen T J B M Pepper M Anderson D Jones G Ritchie D A 高洁 2008物理学报2008,57,3:4
2Measuring Canopy Structure with an Airborne Laser Altimeter显示文摘Ritchie J C Evans D L Jacobs D 1993Transactions of the ASAE1993,36,4:1
3Absorption spectral slopes and slope ratios as indicators of molecular weight, source and photobleaching of chromophoric dissolved organic matter 显示文摘Helms J R Stubbins A Ritchie J D 2008Limnology and Oceanography2008,53,3:1
4New DNA markers forpenguins 显示文摘Roeder A D Ritchie P A Lambert D M 2002Conservation Genetics2002,3,3:1
5Individual-tree height-, diameter- and crown-width increment equations for young Douglas-fir plan- tations显示文摘Ritchie M W Hamann J D 2008New Forests2008,35,3:1
6Absorption spectral slopes and slope ratios as indicators of molecular weight, source, and photobleaching of chromophoric dissolved organic matter显示文摘Helms J R Stubbins A Ritchie J D 2008Limnol Oceanogr2008,53,:1
7Electron microscopy of coronavirus-like particles characteristic of turkey bluecomb disease 显示文摘Ritchie A E Deshmukh D R Larsen C T 1973Avian Dis1973,17,:1
8Terminating eukaryote translation: domainl of release factor eRF1 functions in stop codon recognition显示文摘Bertram G Bell H A Ritchie D W 2000RNA2000,,6:1
9External Reinforcement of Concrete Beams Using Fiber Reinforced Plastics显示文摘RITCHIE P A THOMAS D A LU L W 1991Structural Journal1991,88,4:1
10Psychiatry and the military: an update显示文摘Ritchie E C Benedek D Malone R 2006Psychiatry Clin North Am2006,29,3:1
11Is senile dementia 'age-related' or 'ageingrelated'?--evidence from meta-analysis of dementia prevalence in the oldest old显示文摘Ritchie K Kildea D 0,,:1
12Absorption spectral slopes and slope ratios as indicators of molecular weight,source,and photobleaching of chromophoric dissolved organic matter显示文摘HELMS J R STUBBINS A RITCHIE J D 2008Limnology and Oceanography2008,53,3:1
13Review of crystalline lithium - ion conductors suitable for high temperature battery applications 显示文摘Robertson A D West A R Ritchie A G 1997Solid State Ionics1997,104,12:1
14Resilience and mentalhealth显示文摘Davydov D M Stewart R Ritchie K 2010Clin Psychol Rev2010,30,5:1
15Absorption spectral slopes and slope ratios as indicators of molecular weight, source, and photobleaching of chromophoric dissolved organic matter显示文摘HELMS J R STUBBINS A RITCHIE J D 2008Limnol Oceanogr2008,53,3:1
16Reactions of lime with aluminate- containing solutions 显示文摘Xu B A Giles D E Ritchie I M 1997Hydrometallurgy1997,44,1:1
17A strategic and tactical management approach to select optimal N fertilizer rates for wheat in a spatially variable field显示文摘Basso B Ritchie J T Cammarano D 2011European Journal of Agronomy2011,35,4:1
18Intrauter- ine parvovirus infection associated with hydrops fetalis 显示文摘BROWN T ANAND A RITCHIE L D 1984Lancet1984,324,8410:1
19Self -- concept clarity mediates the relation between stress and subjective well-- being 显示文摘Ritchie T D Sedikides C Wildschut T 2011Self and Identity2011,10,4:1
20Functionalised membranes remove and recover dissolved heavy metals 显示文摘Bhattcharyya D Hestekin J A Ritchie S M C 1998Membrane Technology1998,,110:1
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