Results 31 to 40 of about 1,040,486 (153)
Differences in characteristics between naturalized threatened plants and other threatened plants
Conservation Biology, Volume 40, Issue 3, June 2026.Abstract Many non‐native plant species introduced by humans have become naturalized. At the same time many species are threatened in their native range. However, the number of plant species threatened in their native range that are naturalized elsewhere remains unknown.
Weihan Zhao +10 more
wiley +1 more source
Gongye shui chuli我国目前实施的工业废水处理排放标准无法客观而准确地评价废水水质安全性。系统梳理了国内外废水综合毒性评价方法体系的特点和应用状况，其中重点探讨了废水综合毒性检测（WET）、直接毒性评估（DTA）、废水综合评估（WEA）的特点和应用。对比分析并总结了我国在废水综合毒性指标体系和评价方法等方面的不足，从物种选择、试验流程和评价方法等方面提出了建立废水综合毒性评价体系的合理化建议，指出我国应综合考虑废水污染物特征、排放方式、受纳水环境质量等实际状况，建立符合我国国情的废水综合毒性控制指标和评价方法体系。
高品, 于晓霏, 杨婧, 陈晓倩
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Engineering Geometric Active Sites in Cobalt Spinel Oxides for Energy and Environmental Catalysis
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Cobalt‐based spinel oxides (Co3O4 and derivatives) are among the most promising transition metal oxides for electrochemical energy conversion and environmental catalysis due to their abundant active sites, structural tunability, and robust redox flexibility.
Shenning Liu +6 more
wiley +1 more source
, 2023 实施学生综合素质评价是我国基础教育改革中的一项重要战略，旨在落实和推进素质教育的培养目标。本文以A市为案例，通过分析初中学生综合素质评价的内涵和现状，结合相关理论，借鉴国内成功经验，总结了初中学生综合素质评价应遵循的基本原则 ...
He, Jin
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四川大学学报. 自然科学版, 2005 针对评价过程中评价信息的不确定性和不完全性,提出了基于多层次灰色理论的综合评价模型并给出了一个实例.该模型能够避免目前一般评价方法在各类灰色程度评价信息利用上的缺陷,使评价结果客观合理.
胡容, 黄南京
doaj
Integrative Conservation, Volume 5, Issue 1, Page 125-136, March 2026.We collated detections of the sun bear from new and previously published camera trap studies across its range. We then analysed these detections at two different spatial scales to assess the habitat associations and diel activity of this species. We found that the sun bear is tolerant to moderate habitat disturbances. ABSTRACT Degraded tropical forests,
Alexander Hendry +5 more
wiley +1 more source
Rare Metals, Volume 45, Issue 3, March 2026.ABSTRACT Proton exchange membrane fuel cells (PEMFCs) require advanced bipolar plate coatings to enhance efficiency, durability, and commercialization potential. This review presents a systematic framework for evaluating and designing bipolar plate coatings, integrating material selection, performance metrics, deposition techniques, and future ...
Shijie Li +12 more
wiley +1 more source
, 2017 通过项目调研数据研究确定在线旅游电子服务质量评价指标体系和各指标的权重系数，构建基于因子分析法的二级模糊综合评价模型，利用该模型的评价指标隶属度，通过一级指标评价和二级指标评价来得出综合评价结果。并将该评价模型应用于艺龙旅行网和芒果网的实证分析，通过问卷调查获得艺龙旅行网和芒果网的电子服务质量评价指标隶属度数据，利用两级综合模糊评价方法获得评价结果，以验证评价模型的有效性和实用性。2016年度厦门城市职业学院社科课题“在线旅游电子服务质量评价及改进研究”（项目批准号：KYSK2016 ...
彭丽芳, 赖玲玲
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Gongye shui chuli, 2000 提出一种以水污染损失率为基础的评价污水水质的方法。污水水质的污染物;浓度Ci与水质损害值Si的函数关系为Si=K/〔1+aiexp(-bi·Ci)〕,由此可推导出综合污染损失率,找出水质损害程度与污水水质综合评价的关系,评价结果被赋予鲜明的物理意义。实例表明该方法是非常有效的。
孙峻, 柯崇宜
doaj +2 more sources
Ultrasound in Obstetrics &Gynecology, Volume 66, Issue 6, Page 706-715, December 2025.ABSTRACT Objective To evaluate the use of twin vs singleton growth charts for detecting small‐for‐gestational‐age (SGA) twins at risk of adverse neonatal outcomes. Methods MEDLINE, EMBASE, CINAHL, Cochrane and Scopus databases were searched electronically from inception to May 2024.
S. Sorrenti +9 more
wiley +1 more source