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Journal of Ecology, Volume 113, Issue 7, Page 1746-1759, July 2025.In forests dominated by large clonal plants, such as giant moso bamboo, drought can alter the allocation of newly assimilated C within the tissues of source ramet but may not affect its allocation among interconnected ramets or within plant–soil systems.
Xiaogai Ge +9 more
wiley +1 more source
Gaoya dianqi确保126 kV GIS设备技术性能前提下，为满足电力用户轻量化和紧凑化需求，通过改善产品结构从而实现减轻产品重量和外形尺寸的目的，增加其设计灵活性，同时减小间隔的重量，降低了对基建的载荷要求。文中介绍了一种轻量化126 kV GIS设备的结构特点及性能参数，采用仿真分析软件对断路器灭弧室单元进行气流场仿真优化及各种工况下断路器模块和三工位模块电场进行仿真，并对断路器和三工位罐体进行强度校核，满足轻量化126 kV GIS设备机械性能需求。计算结果表明：轻量化126 kV GIS设备灭弧室 ...
黄坤鹏, 康留涛, 赵平
doaj
Dianci bileiqi, 2022 基于传统深度学习模型的接触网绝缘子检测设备，由于模型参数较多，计算量较大，对计算机硬件要求较高，很难安装在轻小型移动端嵌入式平台等设备上。而且运行速度较慢，很难通过视觉对绝缘子清洗机器人进行实时牵引控制。针对这一问题，本研究以MobileNet-v1为网络主体对复杂背景下的接触网绝缘子进行特征提取，并以SSD目标检测器对其进行识别。实验结果表明SSD-MobileNet模型大幅度降低了计算量，较大幅度提升了运行速度，但其精度几乎不变，从而实现了模型的轻量化和具备实时性，为绝缘子清洗的开展提供必要的前提 ...
赵大贺, 姚晓通
doaj
Grading Method Based on Lightweight YOLOv8-FasterBlock Model for Green Arabica Coffee Bean Produced in Yunnan [PDF]
To establish a grading method for green Arabica coffee bean based on the lightweight YOLOv8-FasterBlock model, a total of 500 g of first-grade, second-grade, third-grade and defective green Arabica coffee bean from Yunnan were collected and mixed for ...
YANG Hongxin, CHEN Yue, PEI Guoquan, QIAN Xueying, LI Peiyao, ZHU Caiying, XIA Qian, LIU Zigao, WU Wendou
core +1 more source
, 2017 轻合金具有比强度和比刚度高、密度低等优点,在追求轻量化、节能减排的今天具有广阔的应用前景,这就对其成形制造技术提出了更高的要求。在概述轻合金成形制造技术的基础上,分别对高真空压铸、半固态成形、电磁成形、超塑性成形等一系列成形技术的成形原理进行了简要分析,并阐述了这些技术在轻合金制造上的应用表现,总结了它们各自的技术优势。最后对轻合金成形技术做出了展望,指明了该技术的发展方向。福建省软科学计划项目 ...
张靖, 王建辉, 黄澜涛
core +1 more source
Lightweight railway panoramic segmentation based on channel shuffle and cross-scale enhancement [PDF]
A lightweight railway panoramic segmentation method based on channel mixing and cross-scale enhancement was proposed to address the challenges of low accuracy and difficulty of achieving lightweight real-time panoramic segmentation in high-speed railway ...
Fangchun ZHOU, Jianyu ZHOU, Yong CHEN
core +1 more source
Dianci bileiqi, 1996 介绍了以液化石油气为燃料，烧制高档瓷等产品的梭式窑窑车台衬的改进情况。指出，用氮化硅结合碳化硅窑具代替窑车的高热容重质台衬，不仅减轻了窑车质量，而且还可减少其蓄热量，降低能耗，有利于梭式窑的焙烧工艺。
张慧, 夏侯宏光
doaj
Research on Lightweight Technology of Hydraulic Components for Integrated Fast Reactor Main Pump [PDF]
To meet the requirements of our country’s nuclear energy development and defense technology industry development, and to achieve national carbon neutrality and energy security needs, it is necessary to comprehensively break through and master the key ...
PU Enshan1, ZHAI Xiao1, GU Jipin1, LIU Simin1, ZHANG Xu2
core +1 more source
, 2018 磨削加工是众多磨粒参与共同作用的结果。基于金刚石砂轮表面形貌和磨粒分布情况,利用虚拟仿真技术建立虚拟砂轮模型。实现对磨削机理更加深入的研究是很有必要的。通过仿真磨削与试验给出了对比分析,提出了机床工艺交互作用下磨削机理研究的意义。2016年工信部智能制造综合标准化与新模式应用项目(2016 ...
王建军, 黄景山
core
A Lightweight Human Activity Recognition Method for Ultra-wideband Radar Based on Spatiotemporal Features of Point Clouds [PDF]
Low-frequency Ultra-WideBand (UWB) radar offers significant advantages in the field of human activity recognition owing to its excellent penetration and resolution.
Ke ZHANG +5 more
core +1 more source