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27篇 您的检索式：作者名="Earl MA"

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	题名	作者	年代	出处	被引量
1	Dynamic Characteristics of Double-Helical Planetary Gear Sets Under Time-Varying Mesh Stiffness显示文摘Internal and external meshes are two of primary excitation sources which induce vibration while double-helical planetary gear sets are in transmission. Based on the analysis of tooth movement principle,three cases of mesh stiffness are derived via investigating the length of action lines,and catalogued in terms of β < β0,β = β0and β > β_0. The simulation demonstrates mesh stiffness between gear pairs performs as a trapezoid waveform( TW) and changes along with the line of action simultaneously,total mesh stiffness comes from the superposition of each engaged gear. While governing equations of motion contained 16 DOFs( degree of freedom) are constructed and effectively solved through the combination of numerical approaches. Comparing with sinusoidal waveform mesh stiffness( SW),the results show that dynamical factors and perturbation under the excitation of TW( β < β_0) are greater and remarkable than that from SW,with respect to the mean dynamic factors about 1. 51 and 1. 28,respectively. The fluctuation response between ring- planet( R- P) is stronger than sun-planet( S-P) which is also validated by both approach studies,frequency spectra analyses identifies larger distinct rotational resonance and more frequencies under TW excitation.	He Lin Sanmin Wang Earl HDowell Jincheng Dong Cong Ma	2016	Journal of Harbin Institute of Technology(New Series)2016，23，4：	3
2	Direct aperture optimization: a turnkey solution for step-and-shoot IMRT显示文摘	Shepard DM Earl MA Li XA	2002	Med Phys2002，29，6：	1
3	Simultaneous integrated boost for breast cancer using IMRT: a radiobiological and treatment planning study 显示文摘	Guerrero M Li XA Earl MA	2004	Int J Radiat Oncol Biol Phys2004，59，5：	1
4	An examination of the number of required apertures for step-and-shoot IMRT显示文摘	Jiang Z Earl MA Zhang GW	2005	Phys Med Biol2005，50，23：	1
5	Variable dose rate single-arc IMAT delivered with a constant dose rate and variable angular spacing显示文摘	Tang G Earl MA Yu CX	2009	Phys Med Biol2009，54，21：	1
6	Direct aperture optimization:a turnkey solution for step-and-shoot IMRT显示文摘	Shepard DM Earl MA Li XA	2002	Med Phys2002，29，：	1
7	An examination of the number of required apertures for step-and-shoot IMRT显示文摘	Jiang Z Earl MA Zhang GW		0，，23：	1
8	Tolerability of beta-blockers in outpatients with refractory heart failure who were receiving continuous milrinone显示文摘	Earl GL Verbos-Kazanas MA Fitzpatrick JM	2007	Pharmacotherapy2007，27，5：	1
9	Converting multiple-arc Intensity-modulated Arc Therapy into a single are for efficient delivery显示文摘	Tang G Earl MA Luan S		0，，03：	1
10	Direct aperture optimization: a turnkey solution for step-and-shoot IMRT显示文摘	Shepard DM Earl MA Li AX	2002	Med Phys2002，29，：	1
11	Direct aperture optimization: a turnkey solution for step-and-shoot IMRT 显示文摘	Xia P Vepard DM Earl MA Li XA	2002	Med Phys2002，29，6：	1
12	Direct aperture optimization: a turkey solution for step-and-shoot IMRT显示文摘	Shepard DM Earl MA Li XA	2002	Med Phys2002，29，：	1
13	Improving patient - pro- vider communication for patients having surgery;Patient percep- tions of a revised health literacy - based consent process显示文摘	Miller MJ Abrams MA Earles B	2011	J Pa- tient Saf2011，7，1：	1
14	The distillation and volatility of ionic liquids 显示文摘	EARLE MJ ESPERANCA JM GILEA MA	2006	Nature2006，439，：	1
15	Direct aperture optimiza- tion: a turnkey solution for step-and-shoot IMRT显示文摘	Shepard DM Earl MA Li XA	2002	Med Phys2002，29，6：	1
16	An examination of the number of required apertures for step-and-shoot IMRT显示文摘	Jiang Z Earl MA Zhang GW	2005	Phys Med Biol2005，50，23：	1
17	直接孔径优化:Step-and-shoot静态调强的凹凸槽效应解决办法显示文摘	Xia P Vepard DM Earl MA Li XA	2002	中国医学物理学杂志2002，，：	1
18	Simultaneous integrated boost for breast cancer using IMRT:A radiobiological and treatment planning study显示文摘	Guerrero M Li XA Earl MA		0，，05：	1
19	Direct aperture optimization: a turnkey solution for step-and-shoot IMRT显示文摘	Shepard DM Earl MA Naqvi S	2002	Med Phys2002，29，6：	1
20	Direct aperture opti- mization: a Turnkey solution for step-and-shoot IMRT显示文摘	Shepard DM Earl MA Li XA	2002	Med Phys2002，29，6：	1

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