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| 1 | 农民合作社资本约束:基于社会资本理论视角显示文摘资本问题关系到中国合作社的未来,农民合作社独特的治理机制导致其存在内生的资本约束困境。本文对农民合作社运用社会资本优势破解资本约束进行了理论分析,然后通过案例检验现实条件下中国农民合作社如何运用社会资本优势破解资本约束困境。研究发现:合作社的价值理念决定了其财务资本获取是基于其社会资本;社会资本是合作社破解资本约束的内在优势资源,合作社利用社会资本可缓解资本约束的内在的成员激励以及现实中的资本控制问题;成员是合作社的根本,提高整体成员融资参与是破解合作社资本约束的根本途径,而实现这一途径的关键在于社会资本与财务资本的有效结合,即重视普通成员的利益诉求以及注意对核心成员资本贡献的激励。 | 余丽燕 Jerker Nilsson | 2017 | 中国农村观察2017,,5: | 14 |
| 2 | by a cascade optical field modulation strategy facilitating selective multispectral narrow-band near-infrared photodetection显示文摘Since selective detection of multiple narrow spectral bands in the near-infrared(NIR)region still poses a fundamental challenge,we have,in this work,developed NIR photodetectors(PDs)using photon upconversion nanocrystals(UCNCs)combined with perovskite films.To conquer the relatively high pumping threshold of UCNCs,we designed a novel cascade optical field modulation strategy to boost upconversion luminescence(UCL)by cascading the superlensing effect of dielectric microlens arrays and the plasmonic effect of gold nanorods,which readily leads to a UCL enhancement by more than four orders of magnitude under weak light irradiation.By accommodating multiple optically active lanthanide ions in a core-shell-shell hierarchical architecture,developed PDs on top of this structure can detect three well-separated narrow bands in the NIR region,i.e.,those centered at 808,980,and 1540 nm.Due to the large UCL enhancement,the obtained PDs demonstrate extremely high responsivities of 30.73,23.15,and 12.20 AW^(−1) and detectivities of 5.36,3.45,and 1.91×10^(11) Jones for 808,980,and 1540 nm light detection,respectively,together with short response times in the range of 80-120 ms.Moreover,we demonstrate for the first time that the response to the excitation modulation frequency of a PD can be employed to discriminate the incident light wavelength.We believe that our work provides novel insight for developing NIR PDs and that it can spur the development of other applications using upconversion nanotechnology. | Yanan Ji Wen Xu Nan Ding Haitao Yang Hongwei Song Qingyun Liu Hans Agren Jerker Widengren Haichun Liu | 2020 | Light(Science & Applications)2020,9,1: | 6 |
| 3 | Metal chelate affinity chromatography, a new approach to protein fractionation显示文摘 | Jerker Porath Jan Carlsson Ingmar Olsson | 1975 | Nature1975,258,: | 1 |
| 4 | 航空公司的一种新型组织模式显示文摘过去十年来,随着航空业竞争的不断加剧,传统航空公司采取了各种策略来刺激增长、削减成本和增加收益。 | Yael Heynold Jerker Rosander | 2007 | 中国民用航空2007,,8: | 1 |
| 5 | Ozone removal in the sampling of parts per billion levels of terpenoid compounds:an evaluation of different scrubber materials显示文摘 | Jerker F Linda P Barbro A | 2001 | Environmental Science and Technology2001,35,7: | 1 |
| 6 | Simulation of flow meter calibration factors for various installation effects显示文摘 | Holm Martin Stang Jacob Delsing Jerker | 1995 | Measurement1995,15,4: | 1 |
| 7 | Managing Knowledge in the Dark: An Empirical Study of the Reliability of Capability Evaluations显示文摘 | JERKER DENRELL NIKLAS ARVIDSSON UDO ZANDER | 2004 | Management Science2004,50,11: | 1 |
| 8 | Extensional Viscosity of Paper Coating Suspensions Studied Converging Channel-Flow and Filament Stretching显示文摘 | Jerker Jader Gunnar Engstrom Lars Jarnstrom | 2004 | Annual Transactions of the Nordic Rheology Society2004,,12: | 1 |
| 9 | Extensional Viscosity of Paper Coating Suspensions Studied Converging Channel-Flow and Filament Stretching显示文摘 | Jerker Jader Cunnar Engstrom Lars Jarnstrom | 2004 | Annual Transactions of the Nordic Rheology Society2004,,12: | 1 |
| 10 | Health risks from large-scale water pollution:Trends in Central Asia显示文摘 | Rebecka Tmqvist Jerker Jarsj i: Bakhtiyor Karimov | 2011 | Environment International2011,37,: | 1 |
| 11 | Comparing knowledge bas- es: on the organisation and geography of knowledge flows in the regional innovation system of Scania, southern Sweden 显示文摘 | Roman Martin Jerker Moodysson | 2013 | European Urban and Regional Studies2013,20,2: | 1 |
| 12 | Managing knowledge in the dark: an empirical study of the reliability of capability evaluations 显示文摘 | Jerker Denrell Niklas Arvidsson Udo Zander | 2004 | Management Science2004,50,11: | 1 |
| 13 | Regional Innovation Policy Beyond ' Best Practice :Lessons from Sweden显示文摘 | Roman Martin Jerker Moodysson Elena Zukauskaite | 2011 | Journal of Knowledge Econimic2011,,2: | 1 |
| 14 | Noninvasive quantification of atherosclerotic lesions:reproducibility of ultrasonographic measurement of arterial wall thickness and plaque size显示文摘 | Jerker P Lars S John W | 1992 | Arteriosclerosis and Thrombosis1992,12,: | 1 |
| 15 | New Generation Farmer Co-operatives 显示文摘 | JERKER NILSSON | 1997 | ICA Review1997,90,1: | 1 |
| 16 | New generation farm cooperatives显示文摘 | Jerker N | 1997 | ICA Review1997,90,: | 1 |
| 17 | Exploring the multiple roles of lund univer?sity in strengthening scanias regional innovation system: towards institutional learning显示文摘 | PAUL BENNEWORTH LARS COENEN JERKER MOOD?YSSON | 2009 | European Planning Studies2009,17,11: | 1 |
| 18 | Installation Effects on an Ultrasonic Flow Meter with Implications for Self Diagnostics显示文摘 | Carl Carlander Jerker Delsing | 2000 | Flow Measurement and Instrumentation2000,11,: | 1 |
| 19 | A cost curve for greenhouse gas reduction显示文摘 | Per-Anders Enkvist Tomas Naucler and Jerker Rosander | 2007 | The Mckinsey Quarterly2007,,9: | 1 |
| 20 | Improved district heating substation efficiency with a new control strategy显示文摘 | Jonas Gustafsson Jerker Delsing Jan van Deventer | | 0,,06: | 1 |