Results 71 to 80 of about 1,703,447 (187)

Cross‐Border Online Radicalization Among Teenagers: Evidence From a Brazilian Case Study

open access: yesPolicy &Internet, Volume 18, Issue 2, June 2026.
ABSTRACT This article examines the theme of transnationality in online radicalization processes through an empirical case. It focuses on a group called ‘The Kiss’, led by a Portuguese teenager (Micazz) who encouraged individuals to carry out acts of violence in Brazil in 2023.
Quésia Pereira Cabral   +1 more
wiley   +1 more source

公丁香挥发油化学成分的GC_MS分析

open access: yes, 2004
公丁香为桃金娘科植物丁香Eugeniacaryophyllata的干燥花蕾。原植物系常绿乔木,主产于桑给巴尔、马达加斯加、斯里兰卡、印度尼西亚等地,我国南方已大量引种。作为中药,公丁香具有温中降逆和补肾助阳的功效,可用于治疗脾胃虚寒、呃逆呕吐、食少吐泻、心腹冷痛和肾虚阳痿。本文报道公丁香挥发油的GC-MS分析,取市售公丁香经水蒸气蒸馏获得的挥发油中共分离出47个峰,鉴定了其中45个化学成分,占总含量的99 ...
但春, 周燕, 付铁军, 刘忠荣
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Advances in BiOCl‐Based Photocatalysts: From Synthesis, Structural Tailoring to Solar Energy Conversion

open access: yesRare Metals, Volume 45, Issue 6, June 2026.
ABSTRACT Semiconductor photocatalysis represents a pivotal frontier in the quest for sustainable energy and environmental remediation. Among the diverse catalytic materials, Bismuth Oxychloride (BiOCl) has emerged as a particularly promising candidate due to its unique layered structure, featuring [Bi2O2]2+ layers intertwined with halogen ions, which ...
Liu Han   +5 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

聚乙二醇共价修饰药用蛋白质的分析方法

open access: yes, 2001
聚乙二醇共价修饰蛋白质具有重要的生物学应用意义。分析聚乙二醇共价修饰蛋白质对确定产物的修饰程度是必要的,近年来渐成研究热点。主要介绍了聚乙二醇共价修饰蛋白质的各种分析方法与其优缺点 ...
林炳承, 苏志国, 李伟军
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Individual Uncertainty and Policy Compliance During the COVID‐19 Pandemic

open access: yesRisk, Hazards &Crisis in Public Policy, Volume 17, Issue 2, June 2026.
ABSTRACT Ample scholarship examines the extent to which public policies in representative democracies reflect the priorities and needs of the public, often finding that individuals are unaware of many policy issues and policy responses. This may be especially true when issues of risk and scientific uncertainty are involved, which can be difficult for ...
Nathan Jeschke   +6 more
wiley   +1 more source

新疆科技论文专利成果产出分析研究

open access: yes, 2013
通过SCI、EI、 ISTP、CSCD等文献检索系统等数据对研究机构及科研人员学术成果进行统计分析,完成了: (1)十五年间主要科技论文产出时间、作者、机构、学科、期刊、发文类型、语种、作者国内外合作、论文影响力及变化分析; (2)1997-2006年科技专利产出的时间、作者、机构、学科及变化分析; (3)1997-2006年科技成果及获科技进步奖的时间、机构、学科、影响力及其变化统计分析; (4)建立多指标综合评价模型,选取10项反映机构科研产出数量和质量典型指标,对1997 ...
贺西安   +12 more
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Prospective comparison of diagnostic accuracy of ultrasound, PET/CT and DW‐MRI for preoperative assessment of pelvic lymph nodes in cervical cancer patients: results of the CANNES trial

open access: yesUltrasound in Obstetrics &Gynecology, Volume 67, Issue 6, Page 836-851, June 2026.
ABSTRACT Objective To determine whether ultrasound is non‐inferior to positron‐emission tomography/computed tomography (PET/CT) and diffusion‐weighted magnetic resonance imaging (DW‐MRI) in terms of overall diagnostic accuracy for the preoperative assessment of pelvic lymph‐node status in cervical cancer.
F. Frühauf   +14 more
wiley   +1 more source

When Public Health Becomes the Weapon: Current and Prospective Consequences of the Genocide in Gaza

open access: yesWorld Medical &Health Policy, Volume 18, Issue 2, June 2026.
ABSTRACT Catastrophic humanitarian conditions during the 2023–2025 genocide in Gaza have caused a public health crisis of exceptional magnitude. This article summarizes key short‐ and long‐term health consequences for Gaza's civilian population and outlines priorities for recovery.
Therese Alexandra Evald   +19 more
wiley   +1 more source

全缘叶绿绒蒿挥发油的GC-MS分析

open access: yes, 2007
首次对藏药材全缘叶绿绒茜全草的挥发油进行气相色谱-质谱联用分 析, 共分离鉴定出63 种化合物, 其主要成分有正二十七烷、 叶绿醇、正二十五 烷、棕榈酸 ...
格桑索朗   +5 more
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