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力学研究所 [1]
长春光学精密机械与物... [1]
昆明植物研究所 [1]
中南林业科技大学 [1]
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会议论文 [2]
期刊论文 [2]
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2009 [1]
2005 [1]
1991 [1]
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力学::流体力学::... [1]
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Self-Propelled Swimming of a Flexible Propulsor Actuated by a Distributed Active Moment
期刊论文
Fluids, 2023, 卷号: 8, 期号: 1, 页码: 29
作者:
Han ZH(韩长鸿)
;
Zhang ZY(张治愚)
;
Zhang X(张星)
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浏览/下载:12/0
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提交时间:2023/01/17
self-propulsion
ground effect
turning maneuver
flexible propulsor
fluid-structure interaction
active moment
traveling wave
cruising speed
cost of transport
Lowest Cost Combination of Freight Transport Modes with Limit of Time
会议论文
International Conference on Management Science and Engineering, Beijing, PEOPLES R CHINA, NOV 20, 2009
作者:
Huang Youheng*
;
Hao Hongxiang
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浏览/下载:4/0
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提交时间:2019/12/28
Combination of transport modes
virtual network
transport cost
kth shortest path lgorithm
Packaging technology of polymer/Si arrayed waveguide grating and their environmental stability (EI CONFERENCE)
会议论文
2005 6th International Conference on Electronics Packaging Technology, August 30, 2005 - September 2, 2005, Dameisha, Shenzhen, China
Zhang D.
;
Wang F.
;
Zhang Y.
;
Zhang X.
;
Deng W.
;
Shulin E.
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浏览/下载:26/0
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提交时间:2013/03/25
Future optical communication systems will use more of the exceptional high bandwidth of optical fiber. Wavelength division multiplexing (WDM) systems are well suited to transport terabits of information via the fiber[1]. Multiplexers/ demultiplexers (MUX/DEMUX) are essential components for dense WDM systems. Several different kinds of multiplexer types have been developed in the past: (a) interference filters
(b) fiber gratings
and (c) planar lightwave circuit (PLC) MUX/DEMUXers[2
3]. The planar fabrication process of the last mentioned PLCs allows the realization of high performance filters with a large number of wavelength channels. Further
an integration with other optical elements seems to be possible. Arrayed waveguide gratings (AWG) are a special kind of PLC-MUX/DEMUXers
which are very attractive components for WDM systems because of their great flexibility in filter design[4
5]. Basically
an AWG is an optical spectrograph built in planar waveguide technique. Typically
AWGs works in a high grating order (50-250). For AWG multiplexer applications in communications systems a precise wavelength controllability and wavelength stability with long term is demanded. Recently
a polymeric (especially fluorinated polymer with low optical absorption loss in the infrared region) AWG has attracted much attention because of its easy fabrication
low cost possibility and a potential of integration with other polymer devices[6]. Standard AWGs
however
show a change of center wavelength with temperature. A method to prevent this temperature drift is to package the AWG together with a temperature controller in order to tune and fix the desired filter-wavelength. In this paper
a 32-channel AWG was fabricated using a cross-linkable fluorinated poly (ether ether ketone) (FPEEK)
its package technology and environmental stability were also discussed. 2005 IEEE.
Limitations of Energy Acquisition and Energy Use in Small Poikilotherms:Evolutionary Implications
期刊论文
Functional Ecology, 1991, 卷号: 5, 期号: 2, 页码: 234-240
作者:
W. Wieser
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浏览/下载:8/0
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提交时间:2017/07/26
Aerobic Vs anAerobic Metabolism
Compensatory Growth
Cost Of Transport
Cyprinid Larvae And Juveniles
Evolution Of Energy Budgets
Growth
Metabolic Power
Rates Of Oxygen Consumption
Starvation
Swimming Activity.
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