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14篇 您的检索式:作者名="Estrada David"
    题名 作者 年代 出处 被引量
1Fixation failure in femoral neck fractures显示文摘Lance S Estrada David A Volgas James P Stannard 2002Clinical Orthopaedics and Related Research2002,399,:1
2Fixation failure in femoral neck fractures显示文摘Lance S Estrada David A 2002Iainical orthopaedics and related research2002,399,:1
3Fixation failure in femoral neck fractures 显示文摘Lance S Estrada David A 2002Clin Orthop2002,21,399:1
4Stacked Graphene-Al2O3 Nanopore Sensors for Sensitive Detection of DNA and DNA Protein Complexes显示文摘Venkatcsan B M Estrada David Banerjee Shouvik 2011ACS Nano2011,,6:1
5Fixation failure in femoral neck fractures显示文摘Lance S Estrada David A 2002Clin Orthop2002,21,399:1
6Aerosol jet printed capacitive strain gauge for soft structural materials显示文摘Soft structural textiles,or softgoods,are used within the space industry for inflatable habitats,parachutes and decelerator systems.Evaluating the safety and structural integrity of these systems occurs through structural health monitoring systems(SHM),which integrate non-invasive/non-destructive testing methods to detect,diagnose,and locate damage.Strain/load monitoring of these systems is limited while utilizing traditional strain gauges as these gauges are typically stiff,operate at low temperatures,and fail when subjected to high strain that is a result of high loading classifying them as unsuitable for SHM of soft structural textiles.For this work,a capacitance based strain gauge(CSG)was fabricated via aerosol jet printing(AJP)using silver nanoparticle ink on a flexible polymer substrate.Printed strain gauges were then compared to a commercially available high elongation resistance-based strain gauge(HE-RSG)for their ability to monitor strained Kevlar straps having a 26.7 kN(6 klbf)load.Dynamic,static and cyclic loads were used to characterize both types of strain monitoring devices.Printed CSGs demonstrated superior performance for high elongation strain measurements when compared to commonly used HE-RSGs,and were observed to operate with a gauge factor of 5.2 when the electrode arrangement was perpendicular to the direction of strain.Kiyo T.Fujimoto Jennifer K.Watkins Timothy Phero Doug Litteken Kevin Tsai Takoda Bingham Kshama Lakshmi Ranganatha Benjamin C.Johnson Zhangxian Deng Brian Jaques David Estrada 2020npj Flexible Electronics2020,4,1:1
7Using FTIR spectroscopy for rapid determination of lipid accumulation in response to nitrogen limitation in freshwater microalgae显示文摘Andrew P. Dean David C. Sigee Beatriz Estrada Jon K. Pittman 2010Bioresource Technology2010,,12:1
8Fixation failure in femoral neck fracture 显示文摘Lance S Estrada David A 2002Clinical Orthopaedics and Related Research2002,,399:1
9Atomic-Scale Evi- dence for Potential Barriers and Strong Carrier Scattering at Graphene Grain Boundaries: A Scanning Tunneling Microsco- py Study显示文摘Koepke J C Wood J D David Estrada 2013ACSNano2013,7,1:1
10Fixation failure in femoral neck fracture显示文摘Lance S Estrada David A 2002Clinical Orthopaedics and Related Research2002,,399:1
11Fixation failure in femoral neck fractures显示文摘Lance S Estrada David A Volgas 2002Clinical orthopaedics and related research2002,399,:1
12Prospective comparison of commercially available rapid urease tests for the diagnosis of Helicobacter pylori显示文摘Loren Laine David Lewin Wesley Naritoku Roque Estrada Hartley Cohen 1996Gastrointestinal Endoscopy1996,,5:1
13Aerosol jet printing of piezoelectric surface acousticwave thermometer显示文摘Surface acoustic wave(SAW)devices are a subclass of micro-electromechanical systems(MEMS)that generate an acoustic emission when electrically stimulated.These transducers also work as detectors,converting surface strain into readable electrical signals.Physical properties of the generated SAW are material dependent and influenced by external factors like temperature.By monitoring temperature-dependent scattering parameters a SAW device can function as a thermometer to elucidate substrate temperature.Traditional fabrication of SAW sensors requires labor-and cost-intensive subtractive processes that produce large volumes of hazardous waste.This study utilizes an innovative aerosol jet printer to directly write consistent,high-resolution,silver comb electrodes onto a Y-cut LiNbO3 substrate.The printed,two-port,20 MHz SAW sensor exhibited excellent linearity and repeatability while being verified as a thermometer from 25 to 200℃.Sensitivities of the printed SAW thermometer are−96.9×10^(−6)℃^(−1)and−92.0×10^(-6)℃^(−1) when operating in pulse-echo mode and pulse-receiver mode,respectively.These results highlight a repeatable path to the additive fabrication of compact high-frequency SAW thermometers.Nicholas McKibben Blake Ryel Jacob Manzi Florent Muramutsa Joshua Daw Harish Subbaraman David Estrada Zhangxian Deng 2023Microsystems & Nanoengineering2023,9,3:0
14中Bransfield盆地(南极洲半岛)Gebra泥石流谷断裂期后沉积作用显示文摘Gebra谷位于中Bransfield盆地的斜坡上,该盆地是一个年轻的、断裂活动强烈的南极洲半岛内的裂谷盆地。盆地后期发生了一系列大规模的滑坡,现在的Gebra谷是所谓“Gebra—Magia滑坡复合体”的一部分。滑坡复合体构成了块体坡移的主体部分,包括两个大型泥石流谷。本文的研究结果是根据多波束测深,高一极高频地震剖面资料得出的。通过对地貌沉积特征以及地震层序分析,对Gebra泥石流谷的沉积演化史作了新的解释。David Casas Gemma Ercilla Adolfo Maestro Ferran Estrada Marga Garcia Javier Hemandez 杨丽娟(译) 闫章存(校对) 2009海洋地质2009,,1:0
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