摘要：从摄影艺术的审美角度出发,结合几幅摄影获奖作品和多年的摄影实践,对形式美在摄影艺术创作中的作用及其形式、美的构成要素、一般规律进行了总结提炼和探讨,并就形式美中的对立范畴及基本法则进行了论证。

摘要：Landfill leaks pose a serious threat to environmental health,risking the contamination of both groundwater and soil *** investigation of these sites is essential for implementing effective prevention and control *** self-potential(SP)stands out for its sensitivity to contamination plumes,offering a solution for monitoring and detecting the movement and seepage of subsurface ***,traditional SP inversion techniques heavily rely on precise subsurface resistivity *** this study,we propose the Attention U-Net deep learning network for rapid SP *** incorporating an attention mechanism,this algorithm effectively learns the relationship between array-style SP data and the location and extent of subsurface contaminated *** designed a synthetic landfill model with a heterogeneous resistivity structure to assess the performance of Attention U-Net deep learning ***,we conducted further validation using a laboratory model to assess its practical *** results demonstrate that the algorithm is not solely dependent on resistivity information,enabling effective locating of the source distribution,even in models with intricate subsurface *** work provides a promising tool for SP data processing,enhancing the applicability of this method in the field of near-subsurface environmental monitoring.

摘要：电阻率法以岩矿石电阻率差异为勘探基础,具有装置简便、能有效处理复杂地形等特点,在有色金属勘探中具有独特的优势,是有色金属勘探的最重要方法,其理论方法、观测仪器和反演解释技术不断更新完善。观测理论和方法技术由简单模型和特定装置向二维、三维发展,甚至出现跨维的观测方式,以求实现观测效率与效果的平衡。电阻率法仪器装备也同步发展,由单一装置设计向分布式、阵列式仪器发展,其自动化程度、观测精度和数据量都在不断提高。观测数据的反演解释同样也向符合实际勘探需要的非线性三维和智能化联合反演发展,其精度和可靠性越来越好。这些方法技术的发展不仅进一步巩固了电阻率法在有色金属勘探中的重要地位,而且还有向金属矿山环境和地质灾害监测与探查方面应用不断拓展的趋势。

摘要：主要对水利工程有压隧洞在设计、施工和运行过程中出现的问题进行探讨,并根据经验对问题进行了剖析,制定了相应的措施进行应对和处理。

摘要：高速公路路堑边坡的稳定性对施工安全及施工进度存在重要的影响,而由于煤系地层特殊的物理及化学性质,其风化速度快且遇水极易软化,故煤系地层边坡相较于普通边坡具有较差的工程性质。本文基于强度折减法,利用FLAC^(3D)软件对武深高速公路广东段煤系地层路堑高边坡的开挖过程和支护过程进行了数值模拟,分析了三级坡面开挖及锚杆、框架梁支护前后边坡位移场以及剪切应变增量的变化,并分别计算了开挖前后及支护前后边坡的稳定性系数,为后续边坡的设计与施工提供了技术参考。

摘要：以某水库虹吸管泄洪为例,介绍虹吸系统的设计方案,便于同类工程应用参考。

摘要：1工程概况云南省牛栏江—滇池补水工程德泽水库枢纽工程大坝为混凝土面板堆石坝,水库最大库容为4. 48亿m^3,为大(2)型水库。大坝最大坝高142m。大坝上游坝坡坡比1∶1. 4,面板顶部厚度为0. 3m,渐变至面板底部,底部最大厚度为0. 8m。面板垂直缝间距为8,12m,共分41块,最大斜长239m。面板采用C30W12 F100二级配混凝土,面板采用单层双向配筋。

摘要：Controlled laboratory experiments are proved to be a valuable tool for investigating changes in underground physical properties and the related response of surface geophysical *** self-potential(SP)method is widely used in mineral resource exploration due to its direct correlation with underground electrochemical *** paper presented the design and construction of an experimental platform based on a multi-channel SP monitoring *** proposed platform was used to monitor the anodizing corrosion process of different metal blocks from a laboratory perspective,record the real-time SP signal generated by the redox reaction,as well as investigate the geobattery mechanism associated with the natural polarization process of metal mineral *** experimental results demonstrate that the constructed SP monitoring platform effectively captures time-series SP signals and provides direct laboratory evidence for the geobattery *** measured SP data were quantitatively interpreted using the simulated annealing algorithm,and the inversion results closely match the real *** finding highlights the potential of the SP method as a promising tool for determining the location and spatial distribution of underground *** study holds reference value for the exploration and exploitation of mineral resources in both terrestrial and marine environments.