Results 11 to 20 of about 1,488,753 (165)

UV/O_3耦合氧化处理钢铁行业反渗透浓水

open access: yes, 2021
反渗透技术广泛应用于工业废水的深度处理与回用过程,但其产生的浓水含盐量较高,有机污染物降解难度大。臭氧氧化技术具有氧化能力强、操作简单等优点,可用于水中有机物的氧化降解,但单独采用臭氧氧化时对有机物有选择性,处理效果有限。采用紫外光-臭氧耦合技术处理钢铁行业的2种反渗透浓水,探究臭氧浓度、紫外光照强度和初始pH对COD去除效果的影响,并利用三维荧光光谱分析处理前后反渗透浓水的水质变化情况。结果显示,钢铁综合废水和焦化废水处理的最佳操作参数基本相同,在最佳反应条件下,紫外光-臭氧耦合氧化60 min后 ...
孙思涵   +6 more
core   +1 more source

铁屑微电解法深度处理医院废水

open access: yes, 2002
用铁屑微电池原理深度处理了医院废水,分析了废水pH,铁屑用量,反应时间对处理效果的影响。结果表明,最佳的反应条件为:废水进水pH为3.5。铁屑用量为12.5 ...
邹红林, 许汇娟
core   +2 more sources

某矿石堆场深厚软土地基加固处理方案研究

open access: yes, 2022
大量的码头堆场建于深厚软土地基上,地基处理不当容易出现承载力不足、结构位移过大等问题。针对安徽某矿石堆场试运行时出现的基础超大位移问题,分析了试运行地基中超孔隙水压力的累计及消散速度,找出了事件发生的根本原因,提出了排水固结的地基二次处理方案。基于自主知识产权的岩土工程有限元分析软件LinkFEA,采用渗流与变形强耦合的方法,预测了地基按照处理方案的现场试验堆载地基中有无排水措施情况下超孔隙水压力和位移变化过程并与试验结果进行了对比,预测结果与试验比较一致。研究表明,地基中未进行排水板二次处理时 ...
吴梦喜, 于永军, 宋世雄, 赵源
core  

Justice in coexistence: Pastoralism and large carnivores on the Qinghai‐Tibet Plateau

open access: yesPeople and Nature, EarlyView.
Abstract The conflict between livestock husbandry and large carnivore conservation presents significant challenges in grassland ecosystems worldwide. Achieving sustainable coexistence among herders, livestock and large carnivores requires reconciling diverse perspectives and interests through equitable, inclusive and fair processes that address both ...
Yufang Gao, Yue Yu
wiley   +1 more source

Scientists in power plays: How substantive were scientists' narratives during the COVID‐19 pandemic?

open access: yesPolicy Studies Journal, EarlyView.
Abstract Scientists who provide expert advice must engage with policy processes. Little is known about whether and how scientists deal with the political dynamics of policy processes that are inherent to policymaking. We study this question by building on the policy dimension concept within the Narrative Policy Framework.
Jule Ksinsik, Caroline Schlaufer
wiley   +1 more source

Architecting a Robust Yarn‐Like CNT Framework for Structurally Resilient ZnSe Anodes in Potassium–Ion Batteries

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT The development of structurally stable anodes with high capacities and long cycle lives is essential for the development of potassium–ion batteries. Conversion‐type anodes have attracted considerable attention in potassium–ion batteries (PIBs) due to their high theoretical capacities.
Jeong Ho Na   +7 more
wiley   +1 more source

Microstructure Characteristics and Strength–Ductility Mechanisms of a Novel Neutron Shielding Al‐6Mg‐5Gd Alloy Fabricated by Laser Powder Bed Fusion

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT Al‐based neutron shielding materials suffer from poor laser powder bed fusion (LPBF) processibility, hindering their simultaneous achievement of good printability and exceptional mechanical properties. In this work, the newly developed rare‐earth Al alloy (i.e., Al‐6Mg‐5Gd) was processed by LPBF technique to meet the printability, mechanical ...
Chen Yang   +8 more
wiley   +1 more source

Rapid construction of insect–plant interaction networks via multiplexed long‐fragment DNA metabarcoding and NGS

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 6, Page 1896-1909, June 2026.
Abstract Molecular identification of insect food webs can accurately reveal complex trophic interactions and serve as a foundation for understanding ecosystem functioning and advancing biodiversity conservation. This process typically involves DNA library construction, high‐throughput sequencing and subsequent steps, including data assembly, annotation,
Xiao‐man Zhang   +9 more
wiley   +1 more source

Gadolinium‐Induced Activation of CoNiO2 for Efficient Oxygen Evolution: A Structural and Electronic Modulation Approach

open access: yesRare Metals, Volume 45, Issue 5, May 2026.
ABSTRACT Multicomponent transition metal oxides (TMOs) incorporating rare‐earth (RE) elements have emerged as promising materials for the oxygen evolution reaction (OER). However, knowledge of how to regulate the structure of TMO‐based nanomaterials through RE incorporation to enhance catalytic performance remains limited.
Bolin Zhao   +6 more
wiley   +1 more source

A Review on Cracking in Laser Additive Manufacturing of Nickel‐Based Superalloys: Types, Formation Mechanisms, and Suppression Strategies

open access: yesRare Metals, Volume 45, Issue 4, April 2026.
ABSTRACT Nickel‐based superalloys (Ni‐based superalloys) have attracted extensive attention in laser additive manufacturing (LAM) due to their capability to directly fabricate complex and high‐performance structural components. However, the rapid melting and solidification inherent to LAM result in intense thermal cycling, which induces high residual ...
Tianxiang Lin   +9 more
wiley   +1 more source

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