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219篇 您的检索式:作者名="Hagstrom"
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1Energy harvesting textiles for a rainy day:woven piezoelectrics based on melt-spun PVDF microfibres with a conducting core显示文摘Recent advances in ubiquitous low-power electronics call for the development of light-weight and flexible energy sources.The textile format is highly attractive for unobtrusive harvesting of energy from e.g.,biomechanical movements.Here,we report the manufacture and characterisation of fully textile piezoelectric generators that can operate under wet conditions.We use a weaving loom to realise textile bands with yarns of melt-spun piezoelectric microfibres,that consist of a conducting core surrounded byβ-phase poly(vinylidene fluoride)(PVDF),in the warp direction.The core-sheath constitution of the piezoelectric microfibres results in a—for electronic textiles—unique architecture.The inner electrode is fully shielded from the outer electrode(made up of conducting yarns that are integrated in the weft direction)which prevents shorting under wet conditions.As a result,and in contrast to other energy harvesting textiles,we are able to demonstrate piezoelectric fabrics that do not only continue to function when in contact with water,but show enhanced performance.The piezoelectric bands generate an output of several volts at strains below one percent.We show that integration into the shoulder strap of a laptop case permits the continuous generation of four microwatts of power during a brisk walk.This promising performance,combined with the fact that our solution uses scalable materials and well-established industrial manufacturing methods,opens up the possibility to develop wearable electronics that are powered by piezoelectric textiles.Anja Lund Karin Rundqvist Erik Nilsson Liyang Yu Bengt Hagstrom Christian Muller 2018npj Flexible Electronics2018,2,1:10
2RADIATION BOUNDARY CONDITIONS FOR MAXWELL'S EQUATIONS:A REVIEW OF ACCURATE TIME-DOMAIN FORMULATIONS显示文摘我们为麦克斯韦的方程考察放射边界条件的时间域明确的表达,集中于能交付以可接受的计算成本的任意的精确性的方法。例子在对称、一般的边界,基于识别并且评估,等价物采购的方法,和象本地边界条件的完美地匹配的层和序列那样的本地近似上包括非局部的条件的快评估。复杂性估计被导出作为波长和模拟时间的功能估计工作和存储要求。Thomas Hagstrom Stephen Lau 2007Journal of Computational Mathematics2007,25,3:5
3Efficient delivery of siRNA for inhibition of gene expression in postnatalmice 显示文摘Lewis DL Hagstrom JE Loomis AG 2002Nat Genet2002,32,1:1
4Plasma parathyroid hormone and the risk of cardiovascular mortality in the community显示文摘HAGSTROM E HELLMAN P LARSSON TE 2009Circulation2009,119,21:1
5Serum calcium is independently associated with insulin sensitivity measured with euglyeaemic-hyperinsulinaemie clamp in a community-based cohort 显示文摘Hagstrom E Hellman P Lundgren E 2007Diabetologia2007,50,2:1
6Expression of matrix metalloproteinases -2,-8,-13,-26, and tissue inhibitors of metalloproteinase -1 in human osteosarcoma 显示文摘Korpi JT Hagstrom J Lehtonen N 2011Surg Oncol2011,20,1:1
7Bmi-1, c-myc, and Snail expression in primary breast cancers and their Bmi-1 expression in late breast cancer relapses 显示文摘Joensuu K Hagstrom J Leidenius M 2011Virchows Arch2011,459,1:1
8A facile nonviralmethod for delivering genes and siRNAs to skeletal muscle ofmammalian limbs显示文摘Hagstrom JE Hegge J Zhang G 2004Mol Ther2004,10,2:1
9Postpartum death with maternal congenital heart disease显示文摘Naeye RL Hagstrom JWC Talmadge BA 1967Circulation1967,36,:1
10Positive effect of parathyroidectomy on bone mineral density in mild asymptomatic primary hyperparathyroidism显示文摘 Lundgren E Mallmin H 2006J Intern Med2006,259,2:1
11A facile nonviral method for delivering genes and siRNAs to skeletal muscle of mammalian limbs显示文摘Hagstrom JE Hegge J Zhang G 2004Mol Ther2004,10,2:1
12Postpartum death with maternal congenital heart disease显示文摘Naeye RL Hagstrom JWC Talmadge BA 1967Circulation1967,36,:1
13Radiation boundary conditions for numerical simulation of waves显示文摘HAGSTROM T 1999Acta Numerica1999,,8:1
14On high-order radiation boundary condition,in Engquist B,Kriegsmann G A Eds显示文摘Hagstrom T 1997Computational Wave Propagation:Springer-Verlag New York lnc1997,86,:1
15Biogeo- graphical diversity among marine 显示文摘HAGSTROM R PINHASSI J ZWEIFEL U L 2000Aquat Microb Ecol2000,21,3:1
16Efficient delivery of siRNA for inhibition of gene expression in postnatal mice显示文摘Lewis D L Hagstrom J E Loomis A G 2002Nature Genet2002,32,:1
17CIP2A overexpres-sion is associated with c-Myc expression in colorectal cancer 显示文摘Bockelman C Koskensalo S Hagstrom J 2012Cancer Biol Ther2012,13,5:1
18Computerized tomo- graphy findings and recurrence of keratocystie odontogenic tumor of the mandible and maxillofaeial region in a series of 46 patients显示文摘Apajalahti S Hagstrom J Lindqvist C 2011Oral Surg Oral Med Oral Pathol Oral Radiol Endod2011,111,:1
19Removal of Prymnesium parvum (Haptophyceae) cells under different nutrient conditions by clay显示文摘HAGSTRoM J A GRANELI E 2005Harmful Algae2005,,4:1
20On the application of surface ionization detector forthe study of alkali capture by kaolin in a fixed bed re-actor 显示文摘K TRAN K IISA M HAGSTROM B STEENARI etal 2004Fuel2004,83,78:1
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