Results 21 to 30 of about 5,721 (99)

High‐Performance Sodium‐Ion Capacitors With Kinetics‐Matched Characteristics Enabled by N/O/S‐Doped Homologous Carbon Electrodes Derived From a Single Precursor

open access: yesRare Metals, Volume 45, Issue 1, January 2026.
ABSTRACT Sodium‐ion capacitors (SICs) offer high energy and power density with long cycle life, but developing kinetically compatible electrodes remains challenging. This work developed a simple and sustainable strategy to synthesize homologous carbon electrodes from the inner shells of durian husks (ISDH) for high‐performance SICs.
De‐Bing Yan   +7 more
wiley   +1 more source

CHINA’S LAND FINANCE AS ACTIVE MODE OF LAND DEVELOPMENT AND INFRASTRUCTURE DELIVERY: Reality, History and Prospects

open access: yesInternational Journal of Urban and Regional Research, Volume 50, Issue 1, Page 191-220, January 2026.
Abstract Henry George advocated for capturing land value increases for public ends. The active approach of public authorities organizing and financing land development can help capture higher land value increases, as Hartman and Spit indicate. However, this approach hardly happens in developing countries, where the coalition of private developers and ...
Nannan Xu
wiley   +1 more source

Vegetation dominantly shapes the elevational patterns of archaeal and protistan communities and their ecological functions in the Hengduan Mountains, Tibetan Plateau

open access: yesFunctional Ecology, Volume 39, Issue 9, Page 2327-2341, September 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract While elevational patterns of soil bacterial and fungal communities in mountain ecosystems have been well documented, the assembly processes of soil archaeal and protistan communities, and their linkage with ecosystem multifunctionality (EMF), remain poorly understood ...
Bao‐Min Yao   +14 more
wiley   +1 more source

Trade credit and corporate digital transformation: The role of managerial ability

open access: yesFinancial Review, Volume 59, Issue 3, Page 779-806, August 2024.
Abstract We examine whether managerial ability affects the relationship between corporate digital transformation and trade credit. To measure digital transformation, we perform a textual analysis of companies’ annual reports using a customized Chinese dictionary containing digital transformation keywords based on national policy documents and academic ...
Liukai Wang   +3 more
wiley   +1 more source

电子束CT 测定对冠心病患者心功能的评价 [PDF]

open access: yes, 2002
【目的】探讨电子束CT(EBCT)测定心功能的价值。【方法】通过分别对15 例冠心病患者行EBCT 和X 线心室 造影检查, 测定心功能指标:左室舒张末容积(LVEDV)、左室收缩末容积(LVESV)、每搏输出量(LVSV)、左心室射血分数 (LVEF)和左心室壁运动计分(LVWMS), 比较两者的相关性和差异性。EBCT 还分别测出15 例患者的心肌质量。【结果】EBCT 测定的LVEDV、LVESV 、LVSV 及LVEF 与X 线心室造影比较, 具有良好相关性(r =0.823 ~ 0 ...
姚尖平, 张 希, 王治平
core  

CT检出结肠结节状病灶的影响因素 [PDF]

open access: yes, 2007
目的:利用仿真模型研究结肠结节状病灶的特征、CT扫描参数、阅片视窗及仿真成像(CTC)对CT检出病灶的影响。材料与方法:利用仿真材料制造30个结节放置到仿真人的结肠内壁上,结节分别为0.5cm隆起形、0.3cm隆起形、0.2cm隆起形、0.2cm扁平形、0.2cm高密度扁平形,每种结节6个。分别应用方案8.0mm/2.5mm/17.5(层厚/准直/螺距)和方案5.0mm/1.0mm/7.0扫描并CTC成像。对横断面扫描图像分别应用3种视窗阅片。检测不同情况下结节的显示情况。结果:窗宽1000HU,窗中心-
周水添   +4 more
core  

64层螺旋CT对冠状动脉畸形的诊断价值 [PDF]

open access: yes, 2007
【目的】评价64层螺旋CT在诊断冠状动脉畸形方面的临床应用价值。【方法】对38例冠状动脉畸形的64层螺旋CT资料进行回顾性分析。将原始数据传至工作站,行多平面重建(MPR)、容积再现(VR)、最大密度投影(MIP)和血管探针等后处理。10例同时行传统冠脉造影(CAG),3例行手术。【结果】38例患者畸形血管在CT图像上得以清晰显示。冠状动脉开口起源异常6例,单支冠状动脉畸形2例,冠状动脉瘘2例,冠状动脉肌桥20例,副冠状动脉8例,10例CAG结果9例与CT一致,1例右侧冠状动脉高位开口CAG误诊为缺如 ...
周旭辉   +5 more
core  

颅内原发恶性淋巴瘤的MRI诊断(附12例报告) [PDF]

open access: yes, 2004
目的 探讨颅内原发恶性淋巴瘤CT及MR的表现特征 ,以提高诊断准确率。方法 对 12例经手术病理证实的颅内原发恶性淋巴瘤的CT及MR表现进行回顾分析。结果 共检出 3 2个病灶 ,其中单发 9例 ,分别位于额、颞、顶叶深部脑白质 8例 ,位于颞叶表面 1例 ;多发 3例 ,病灶多位于深部脑白质。CT多表现为圆形或类圆形稍高密度灶 ,MRI表现为T1WI低或等信号 ,T2 WI为稍低信号。多数病灶周围有轻 -中度高信号水肿带 ,病灶边界尚清楚。增强扫描见所有病灶均有强化 ,2 3个 ( 72 .0 ...
杨天和   +3 more
core  

Application of the Canon 320 Row Variable Helical Pitch CTA System Combined with Iterative Reconstruction Technology for Lower Limb Vascular Imaging [PDF]

open access: yes
Objectives: To investigate the image quality obtained using the Canon 320 row variable helical pitch (vHP) computed tomography (CT) system combined with iterative reconstruction technology for lower limb angiography and the radiation exposure to patients.
Jian YANG   +4 more
core   +1 more source

CT三维成像观察正常寰枢关节功能位的解剖学研究 [PDF]

open access: yes, 2006
目的:利用CT三维成像观察正常寰枢关节功能位的解剖结构,为诊断寰枢关节不全脱位探讨解剖学基础。方法:对53例正常志愿者进行中立位寰枢关节三维成像,其中21例加旋转位。三维重建方法以表面遮盖法(surface shade display,SSD)为主,辅以多层面重建法(mutiplanar reformatting,MPR)、最大强度投影法(maximum intensity project,MIP)、容积重建法(volume rendering,VR)。分析、比较其图像表现及解剖学特点。结果 ...
叶锋, 康江河, 段少银
core  

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