Results 41 to 50 of about 25,613 (137)
Multimodal Deep Learning‐Assisted Microstructural Evaluation System for Sintered NdFeB Magnets
Rare Metals, Volume 45, Issue 8, August 2026.ABSTRACT The performance of sintered NdFeB magnets, especially coercivity, is critically determined by their complex microstructure. However, a quantitative microstructural evaluation system (MES) is much needed but has long been missing in the community.
Zihao Wang +8 more
wiley +1 more source
Gongye shui chuli, 2005 研究了用185nmUV降解水中有机物的机理，185nmUV首先光解高纯水，并通过实验测出所形成的H2O2，证实了185nmUV照射水时，可以产生活性中间体等。185nmUV应用到高纯水制备系统中，能有效地将高纯水中的总有机碳(TOC)降低到≤0.3μg/L，满足超大规模集成电路用水的需要。同时185nmUV对废水中的有机物也有较好降解作用，是一种降解水中难生物降解的有毒有害的有机污染物的新方法，有利于丰富高级氧化技术以及环境保护。
邓守权, 闻瑞梅
doaj
Gongye shui chuli, 2023 采用“气浮+三维催化电解+生物选择+厌氧好氧”组合工艺处理电子芯片封装测试厂生产废水，探索了各处理单元的不同运行参数对废水中污染物降解的影响。结果表明：四级三维催化电解是该处理工艺的关键步骤，通过四级三维催化电解可使废水中的难降解、具有毒性的有机污染物得到分解，为后续生物处理创造条件。在四级三维电解过程中，当每级的电流密度为70 mA/cm2、总电解时间为6.0 h时，废水COD降解率可达85%以上。确定溶气压力0.2 MPa时的最佳气浮时间为45 min，生物选择池的停留时间为2~3 h ...
钟志贤, 刘晓婷, 黄小雯, 宋勇
doaj
World Water Policy, Volume 12, Issue 3, August 2026.ABSTRACT Groundwater depletion is a major challenge in semiarid, hard‐rock regions where irrigation demands often exceed natural recharge. This study evaluates the effectiveness of farm‐scale recharge pits as a local, supplementary, and community‐managed groundwater recharge solution in the Dharta catchment of Rajasthan, India. Alongside check dams and
Prahlad Soni +4 more
wiley +1 more source
氮杂冠醚取代非对称双Schiff碱配合物催化羧酸酯水解的动力学研究
四川大学学报. 自然科学版, 2006 将4种氮杂冠醚取代非对称双Schiff钴(II)、锰(III)配合物作为仿水解酶模型催化羧酸酯(PNPP)水解.探讨了Schiff配合物催化PNPP水解的动力学和机理;提出了配合物催化PNPP水解的动力学模型.结果表明,在25℃条件下随着缓冲溶液pH值的增大,配合物催化PNPP水解速率提高,并表现出好的催化活性.
谢斌 +6 more
doaj
World Water Policy, Volume 12, Issue 3, August 2026.ABSTRACT Village tank cascade systems (VTCS) are a long‐established form of water management in Sri Lanka's dry zone. However, their role in groundwater recharge, climate adaptation, and water governance remains insufficiently recognized in policy and planning.
Ananthini Nanthakumaran +1 more
wiley +1 more source
Shuitu Baochi Xuebao, 2021 为揭示春季解冻期工程堆积体土壤侵蚀过程机理，以辽西地区的开挖河道工程堆积体为研究对象，采用室内模拟放水冲刷试验对春季解冻期褐土工程堆积体坡面侵蚀过程进行研究。结果表明：各解冻坡面径流量随着放水冲刷量的增加而增加，并且在相同放水冲刷量下，坡面径流量整体呈现未解冻坡面>解冻2 h坡面>解冻4 h坡面>对照；解冻时间越长，坡面对径流的延迟作用越明显；解冻时间越长，坡面侵蚀越严重。在相同放水冲刷量下，堆积体坡面总产沙量整体呈现解冻4 h坡面>解冻2 h坡面>未解冻坡面>对照。相较于对照 ...
姜倩, 李坤衡, 李宏伟, 吕刚
doaj
Partial and Extensive Hydrolysis Process, Hydrolysate Allergenicity and Peptide Profile of Goat Whey Protein(羊乳清蛋白部分和深度水解工艺、水解物致敏性及肽谱分析) [PDF]
Shipin kexue jishu xuebaoThe preparation of hypoallergenic ingredients using goat whey protein is a hot research topic in dairy industry. Whey protein is one of the main proteins in milk, and it is also the main substance that causes allergic reactions in infants and young ...
LI Hongjuan(李红娟) +5 more
doaj +1 more source
World Water Policy, Volume 12, Issue 3, August 2026.ABSTRACT Bengaluru, a primary metropolitan centre in India, is currently grappling with the dual crises of urban flooding and severe groundwater depletion. These challenges are driven by rapid urbanization, which has seen built‐up areas increase from 42% to 86% over two decades, resulting in a dramatic loss of vegetation and wetlands.
S. Biswas, S. V. B. Patel, B. Maheshwari
wiley +1 more source
Gongye shui chuli, 2017 采用铁碳微电解-UASB-生物接触氧化组合工艺对制药废水进行处理，明确了微电解处理废水的最优参数，探讨了厌氧反应器及生物接触氧化反应器的启动方法。结果表明，微电解最佳反应条件：进水pH为3.0，反应时间为2 h，此条件下通过微电解作用能够分解转化废水中的有机污染物，使废水中的B/C由0.121提高到0.310。微电解-UASB-生物接触氧化组合工艺在处理制药废水时可获得稳定的处理效果，出水COD及氨氮等均达到《污水综合排放标准》（GB 8978-1996）三级标准的要求。
杨莉, 蔡天明, 代鹏飞
doaj