Results 31 to 40 of about 1,762,322 (153)
Functional Ecology, Volume 40, Issue 7, Page 2128-2142, July 2026.Read the free Plain Language Summary for this article on the Journal blog. Abstract Soil organic nitrogen (SON) transformation is critical for global nutrient cycling and ecosystem productivity, yet how its responsiveness to climate change differs across diverse land use types remains poorly resolved.
Xinyi Yang +10 more
wiley +1 more source
Gongye shui chuli, 2011 城市污水处理厂二级出水可以作为城市非常规再生水的原水,经过深度处理后能够解决城市的缺水问题。对北方某城市再生水原水的水质特征进行了调查分析,结果表明,含碳指标(如CODCr,BOD5)基本满足GB18918-2002二级标准,但是色度、氮、磷、重金属、指示性病原菌等指标的污染水平不容忽视,在再生水处理工艺中需要特别关注;此外,缺乏再生水作为原水时相对应的标准,现有的城市污水厂二级出水排放标准与再生水利用标准相比,存在很多指标不一样或测试方法不一样等问题需要解决和协调。
苑宏英 +7 more
doaj
Poverty &Public Policy, Volume 18, Issue 2, June 2026.ABSTRACT Cash transfers have become an increasingly important social protection tool in development and humanitarian contexts. In developing countries, cash transfers can be used to build economic resilience. This study examines the effects of unconditional cash transfers on asset accumulation among low‐income households in rural Northern Uganda. Using
Simon Peter Nsereko +2 more
wiley +1 more source
Intelligent Material Framework for Data Mining and Performance Prediction of Invar Alloy
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT Invar alloys exhibit a low coefficient of thermal expansion (CTE) over a wide temperature range and are regarded as critical materials for precision engineering and aerospace applications. In this work, an integrated OLR‐IMF (an intelligent material framework based on optical character recognition [OCR], large language models [LLMs], and ...
Tongbo Jiang +11 more
wiley +1 more source
Shuitu Baochi Xuebao, 1995 根据结构指标体系（生态结构、水土保持措施结构、经济技术结构）与效益指标体系（生态、经济、社会效益），提出了渭北黄土高原沟壑区小流域综合治理评价的指标体系，应用模糊聚类分析与模糊综合评判，评价综合治理的总体效益，并对典型样本进行了评价和分析，为黄土高原沟壑区大面积的小流域综合治理提供科学依据。
韩冰 吴发启
doaj +2 more sources
, 2019 为了对生态治理技术进行更加科学合理的评价，在确定了指标体系构建思路的基础上，根据评价指标的筛选原则，通过对 评价指标的理论初选和专家筛选，构建了能够揭示生态治理技术本身属性、相宜性、应用效果、推广潜力等的综合评价指标体 系。该指标体系包含目标层和指标层两个层次，目标层为生态治理技术适应效果，指标层分为控制性指标和分类评价指标。控 制性指标包含 5 个一级指标和 14 个二级指标，适用于所有类型的生态治理技术; 分类评价指标为三级指标，共有水土保持技 术、荒漠化治理技术 ...
骆汉 +4 more
core
Ultrasound in Obstetrics &Gynecology, Volume 67, Issue 6, Page 806-814, June 2026.ABSTRACT Objective To investigate the incidence of pre‐eclampsia (PE) and the predictive performance of the Fetal Medicine Foundation (FMF) first‐trimester PE screening algorithm across pregnancies conceived using assisted reproductive technology (ART), after ovulation induction (OI) and through spontaneous conception (SC).
A. S. L. Kjaer +23 more
wiley +1 more source
, 1996 以水提法从黄精（Ｐｏｌｙｇｏｎａｔｕｍｓｐ）中得到的粗多糖成分（ＰＰ）进行了老龄大鼠的衰老生理生化指标测定试验．两种剂量的ＰＰ灌喂老龄大鼠１ｍｏ后，测定其１２项衰老生理生化指标：胸腺指数和脾脏指数，外周血淋巴细胞ＡＮＡＥ活性，红细胞、视网膜、晶体核、晶体皮质的ＳＯＤ活性，心脏、血浆中过氧化脂质含量，肝脏、肾脏中脂褐质含量及脑中Ｂ型单胺氧化酶活性．结果表明：除胸腺指数、血浆中过氧化脂质含量无显著性变化外，其他１０项指标均有明显的改善作用 ...
赵红霞,蒙义文,曾庆华,陈桃林,董道权,蒲蔷 +1 more
core
Home‐Based Versus In‐Hospital Care in Pediatrics: A Systematic Review of Cost‐Effectiveness Studies
World Medical &Health Policy, Volume 18, Issue 2, June 2026.ABSTRACT Home‐based care has emerged as a potential alternative to traditional hospital‐based care for children and adolescents worldwide. This systematic review aimed to systematically gather and critically assess the available evidence on the cost‐effectiveness of home‐based versus in‐hospital care for pediatric populations globally.
Luís Carlos Lopes‐Júnior +8 more
wiley +1 more source
, 2009 根据作物自身生理活动来确定合理的灌溉指标是节水农业研究的一个重要基础工作。近年来,伴随着植物生理学的发展,出现了几种非常有应用潜力的灌溉指标。对这几种指标的原理、研究现状及存在问题进行了评述,旨在推动作物节水灌溉指标的研究 ...
王全九, 李秧秧
core