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| 1 | 网络结构与权力分配:要素论的解释显示文摘中国的社会网研究很少关注网络结构与权力分配之间的关系,这恰是要素论的贡献。在介绍影响、社会关系、社会行动者等基本'要素'之后,本文分析了要素论的建模原理及多种结构条件,并简析其优势所在。要素论研究发现,权力的分配取决于行动者的偏好、信念、关系类型及诸多结构条件,因此,核心点未必有权。要素论根据网络结构预测权力的分配,这是其独特之处。该理论的其他优势有:坚持理论导向的实验研究,揭示了权力来源于'排除'机制,运用分析—组合法,可用于研究大型的、复杂的社会历史结构。本文最后讨论了要素论的未来方向,包括考虑到行动者的属性和结构的转换以及关系的要素论研究会加深对中国社会的认识等。 | 刘军 David Willer Pamela Emanuelson | 2011 | 社会学研究2011,,2: | 25 |
| 2 | 强制结构理论及实验检验显示文摘学术界对强制关系的研究较少,尽管它无处不在。本文基于要素论探讨强制结构的含义、分类及模型,重点探讨了间接强制结构的效应。间接强制是涉及至少三个行动者的一类'不给钱就制裁,给钱就‘保护’你'的结构关系。实验研究结果表明,在边界条件内,间接强制结构与直接强制结构一样有效力,即有类似的强制幅度和力度,二者都使强制者获得最大的剥夺率。本文最后讨论了影响强制效果的因素,包括强制者的贪欲与策略、强—强联盟及受制者联盟的效应等。 | 刘军 David Willer Pamela Emanuelson | 2013 | 社会2013,33,4: | 5 |
| 3 | Application of a rotating magnetic field during directional solidification of Pb–Sn alloys: Consequences on the CET显示文摘 | S. Eckert B. Willers P.A. Nikrityuk K. Eckert U. Michel G. Zouhar | 2005 | Materials Science & Engineering A2005,,: | 4 |
| 4 | The columnar-to-equiaxed transition in Pb–Sn alloys affected by electromagnetically driven convection显示文摘 | B. Willers S. Eckert U. Michel I. Haase G. Zouhar | 2005 | Materials Science & Engineering A2005,,1: | 4 |
| 5 | Bone mineral density in cone beam computed tomography:Only a few shades of gray显示文摘Cone beam computed tomography(CBCT) has often been used to determine the quality of craniofacial bone structures through the determination of mineral density, which is based on gray scales of the images obtained. However, there is no consensus regarding the accuracy of the determination of the gray scales in these exams. This study aims to provide a literature review concerning the reliability of CBCT to determine bone mineral density. The gray values obtained with CBCT show a linear relationship with the attenuation coefficients of the materials, Hounsfield Units values obtained with medical computed tomography, and density values from dual energy X-ray absorciometry. However, errors are expected when CBCT images are used to define the quality of the scanned structures be-cause these images show inconsistencies and arbitrari-ness in the gray values, particularly when related to abrupt change in the density of the object, X-ray beam hardening effect, scattered radiation, projection data discontinuity-related effect, differences between CBCTdevices, changes in the volume of the field of view(FOV), and changes in the relationships of size and position between the FOV and the object evaluated. A few methods of mathematical correction of the gray scales in CBCT have been proposed; however, they do not generate consistent values that are independent of the devices and their configurations or of the scanned objects. Thus, CBCT should not be considered the ex-amination of choice for the determination of bone and soft tissue mineral density at the current stage, par-ticularly when values obtained are to be compared to predetermined standard values. Comparisons between symmetrically positioned structures inside the FOV and in relation to the exomass of the object, as it occurs with the right and left sides of the skull, seem to be viable because the effects on the gray scale in the re-gions of interest are the same. | Marcio José da Silva Campos Thainara Salgueiro de Souza Sergio Luiz Mota Júnior Marcelo Reis Fraga Robert Willer Farinazzo Vitral | 2014 | World Journal of Radiology2014,6,8: | 3 |
| 6 | 胆固醇酯转移蛋白基因的蛋白质截断型变异体与冠状动脉性心脏病风险的关系显示文摘随机对照试验结果表明,抑制胆固醇酯转运蛋白(cholesteryl ester transfer protein,CETP)的疗法并不能降低冠状动脉性心脏病(coronary heart disease,CHD)的发生风险。研究失败的可能原因包括靶目标无效、靶目标外小分子的不良反应和随机对照设计因素影响等。在编码药物靶点的基因中具有天然存在的遗传变异,以此为基础,人类研究可以深入了解针对基因产物的治疗的潜在功效和安全性。 | Nomura A Won HH Khera AV Takeuchi F Ito K McCarthy S Emdin CA Klarin D Natarajan P Zekavat SM Gupta N Peloso GM Borecki IB Teslovich TM Asselta R Duga S Merlini PA Correa A Kessler T Wilson JG Bown MJ Hall AS Braund PS Carey DJ Murray MF Kirchner HL Leader JB Lavage DR Manus JN Hartze DN Samani NJ Schunkert H Marrugat J Elosua R McPherson R Farrall M Watkins H Juang JJ Hsiung CA Lin SY Wang JS Tada H Kawashiri MA Inazu A Yamagishi M Katsuya T Nakashima E Nakatochi M Yamamoto K Yokota M Momozawa Y Rotter JI Lander ES Rader DJ Danesh J Ardissino D Gabriel S Willer CJ Abecasis GR Saleheen D Kubo M Kato N Ida Chen YD Dewey FE Kathiresan S 刘莉 叶鹏 | 2017 | 中华高血压杂志2017,25,9: | 2 |
| 7 | Radiofrequency Ablation for Stage I Non-Small Cell Lung Cancer: Management of Locoregional Recurrence显示文摘 | Michael Lanuti Amita Sharma Henning Willers Subba R. Digumarthy Douglas J. Mathisen Jo-Anne O. Shepard | 2012 | The Annals of Thoracic Surgery2012,,3: | 2 |
| 8 | 生态农业和有机农业的创新显示文摘现代农业系统在明显提高产量、保证粮食安全的同时,也对人类健康和地球的可持续性产生了影响。在持续不断的严重环境破坏和自然资源毁坏的背景下,建立可持续的农业生产方式至关重要。生态农业和有机农业是减少生态可持续性和生产力及社会可持续之间权衡关系的重要方法。这两种农业方法都属生态集约化范畴,均具有减少环境污染的巨大潜力;然而,生态农业和有机农业常导致产量降低。虽然产量降低带来的损失可以通过改变人们的饮食习惯来弥补(如减少食物浪费、减少食用精饲料喂养的肉类),但是,由于全球的发展趋势与之相反,因此本文探讨了通过科学研究寻求新的解决方案前景来提高低投入农业系统作物产量的可能性。为权衡生产力与可持续发展的关系,使生态农业和有机农业有助于粮食安全,我们对未来研究提出5点建议:1)农场和田地的景观设计与复合种植模式、2)数字化技术的应用、3)以农田低投入为目标的作物育种、4)农业废弃物的高质量循环利用和5)非化学作物保护。 | Urs Niggli Qiyan Wang-Muller Helga Willer Jacques Fuchs | 2021 | 中国生态农业学报(中英文)2021,29,3: | 2 |
| 9 | Common variants at 30 loci contribute to polygenic dyslipidemia显示文摘 | Kathiresan S Willer C J Peloso G M | 2009 | Nat Genet2009,41,1: | 1 |
| 10 | Acquired spondelolysis as a sequel to spine fusion显示文摘 | HARRIS R I WILLER J J | 1963 | J Bone Joint Sury (Am)1963,45,6: | 1 |
| 11 | The use of dye sur- rogates to illustrate local anesthetic drug sequestration by lipid emulsion: a visual demonstration of the lipid sink effect 显示文摘 | Papadopoulou A Willers JW Samuels TL | 2012 | Reg Anesth Pain Med2012,37,2: | 1 |
| 12 | Application of Image Simulation in Weapon System Development 显示文摘 | Cornelius J Willers Maria S Wheeler | 2007 | Physica A (S0378-4371)2007,387,23: | 1 |
| 13 | Statistics and future perspectives 显示文摘 | Minou Yussfi Helga Willer | 2003 | The World of Organic Agricultur2003,,4: | 1 |
| 14 | Common variants associated with plasma triglycerides and risk for coronary artery disease显示文摘 | DO R WILLER CJ SCHMIDT EM | 2013 | Nat Genet2013,45,11: | 1 |
| 15 | Synthesis and chemistry of some furazano- and furoxano piperazines 显示文摘 | Rodney L Willer Donald W Moore | 1985 | J Org Chem1985,50,: | 1 |
| 16 | Checkpoint kinase 2-mediated phosphorylation of BRCA1 regulates the fidelity of nonhomologous end joining显示文摘 | Zhang J Zhang J Willers H | 2006 | Cancer Res2006,66,3: | 1 |
| 17 | Is Pain the Price of Empathy? The Perception of Others' Pain in Patients with Congenital Insensitivity to Pain显示文摘 | Danziger N Prkachin KM Willer JC | | 0,,9: | 1 |
| 18 | Affective symptoms in the chronic stage of traumatic brain injury: A study of married couples显示文摘 | Linn RT Allen K Willer BS | 1994 | Brain In Jury1994,8,2: | 1 |
| 19 | Theseeds of weak power:an extension of network exchange theory显示文摘 | MARKOVSKY B SKVORETZ J WILLER D | 1993 | American Sociological Review1993,58,2: | 1 |
| 20 | Wireless technology and satellite Internet access for high-speed whole farm connectivity in precision agriculture 显示文摘 | McKinion J M Turner S B Willers J L | 2004 | Agricultural Systems2004,81,3: | 1 |