Elsevier最新文献_第8页

Selecting the right samples rather than more samples: A new spectral–environmental similarity strategy for local soil spectral modeling 选择正确的样本而不是更多的样本：一种新的光谱-环境相似策略用于局部土壤光谱建模

IF 6.6 1区农林科学 Q1 SOIL SCIENCE

Geoderma

Pub Date : 2026-02-07 DOI: 10.1016/j.geoderma.2026.117710

Liangyi Li , Zipeng Zhang , Minglu Sun , Jianli Ding , Jingzhe Wang , Dong Xu , Yuanyuan Huang

Addressing the dual challenges of limited sample size and high environmental heterogeneity in small-scale soil organic carbon (SOC) spectral modeling, this study proposes a fundamental hypothesis: selecting samples that are similar to the target region in both “spectral features and environmental characteristics” is more effective for improving prediction accuracy and stability. Based on this assumption, we developed a synergistic sample transfer strategy that integrates spectral similarity with environmental similarity under the Third Law of Geography, aiming to systematically screen the most comparable samples from the global soil spectral library to enhance the performance and robustness of local SOC modeling. A spectral-environmental similarity framework was established to identify samples that are simultaneously similar to the target region in spectral properties and environmental settings, and instance-based transfer modeling experiments were conducted in five representative small-sample regions (A-E). Results show that the synergistic strategy significantly improved modeling performance in most regions, with maximum increases in predictive power (as indicated by R²) of up to 18% compared with the baseline global transfer model. Remarkably, even when the number of global samples was reduced from 20,961 to around 200, the proposed strategy still outperformed local modeling and conventional global modeling approaches. In relatively stable environments, higher weights on environmental similarity yielded the best models, whereas in highly heterogeneous regions, spectral similarity played a more dominant role. The synergistic strategy also optimized the distribution of important spectral bands, enhanced SOC-responsive features in the visible region (450–750 nm), suppressed redundant information, and improved modeling efficiency. This study demonstrates that the proposed spectral-environmental synergistic sample transfer modeling method not only challenges the conventional assumption that “more samples guarantee better models” but also provides a novel pathway and theoretical support for the efficient use of global soil spectral libraries in regional SOC modeling.

针对小尺度土壤有机碳（SOC）光谱建模中样本量有限和环境异质性高的双重挑战，本研究提出了一个基本假设：选择在“光谱特征和环境特征”上都与目标区域相似的样本，可以更有效地提高预测精度和稳定性。基于这一假设，我们开发了基于地理第三定律的光谱相似度与环境相似度相结合的协同样本转移策略，旨在系统地筛选全球土壤光谱库中最具可比性的样本，以提高局部土壤有机碳模型的性能和鲁棒性。建立光谱-环境相似性框架，识别与目标区域在光谱特性和环境设置上同时相似的样本，并在5个具有代表性的小样本区域（A- e）进行基于实例的转移建模实验。结果表明，在大多数地区，协同策略显著提高了建模性能，与基线全球转移模型相比，预测能力（如R2所示）的最大增幅高达18%。值得注意的是，即使全局样本数量从20,961减少到200左右，所提出的策略仍然优于局部建模和传统的全局建模方法。在相对稳定的环境中，较高的环境相似度权重可以得到最佳模型，而在高度异质的区域，光谱相似度起更大的作用。该协同策略还优化了重要光谱带的分布，增强了可见光区域（450-750 nm）的soc响应特征，抑制了冗余信息，提高了建模效率。研究表明，本文提出的光谱-环境协同样本迁移建模方法不仅挑战了“样本越多，模型越好”的传统假设，而且为有效利用全球土壤光谱库进行区域土壤有机碳建模提供了新的途径和理论支持。

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引用次数: 0

Observing electrolyte motion in commercial cylindrical Li-ion cells using ultrasound imaging 利用超声成像技术观察商用圆柱形锂离子电池中的电解质运动

IF 7.9 2区工程技术 Q1 CHEMISTRY, PHYSICAL

Journal of Power Sources

Pub Date : 2026-02-07 DOI: 10.1016/j.jpowsour.2026.239455

Tobias Röhmel , Morian Sonnet , Gereon Stahl , Duc Minh Nguyen , Tim Falkenstein , Dirk Uwe Sauer

Cylindrical Li-ion cells, increasingly adopted in electric vehicles, pose geometry-driven challenges for scanning acoustic microscopy (SAM). While SAM for flat cell formats is well established, spatial ultrasound imaging of cylindrical cells is under explored. We present a compact rotational ultrasound scanner that leverages cylindrical symmetry to generate two-dimensional angle–height images in both through-transmission and reflection using two opposing single-element transducers. To our knowledge, this is the first rotational ultrasound system that provides through-transmission imaging of cylindrical Li-ion cells and the first single-element reflection images that can be directly linked to large-scale internal structures such as current collector tabs. Early-time gating of the first arrival (through) and late gating of the first front-wall echo (reflection) suppresses circumferential and creeping waves, restoring interpretable contrast.

We validate the platform on aluminum reference dummies and demonstrate spatial imaging on three 26650 cells. The scanner produces interpretable angle–height maps in through-transmission and reflection that localize tabs, reveal orientation- and state-of-charge dependent electrolyte redistribution, and highlight stable attenuation features linked to internal mechanical conditions. Co-registration with X-ray CT provides a common angular frame and anchors acoustic contrasts in the underlying structure, establishing ultrasound as a practical complement to existing battery Non-destructive testing (NDT).

圆柱形锂离子电池越来越多地应用于电动汽车，这对扫描声学显微镜（SAM）提出了几何驱动的挑战。虽然平面细胞格式的SAM已经建立，但圆柱形细胞的空间超声成像还在探索中。我们提出了一种紧凑的旋转超声扫描仪，利用圆柱对称，在通过透射和反射中使用两个相对的单元件换能器产生二维角度高度图像。据我们所知，这是第一个提供圆柱形锂离子电池通过透射成像的旋转超声系统，也是第一个可以直接连接到大型内部结构（如电流收集器标签）的单元件反射图像。第一次到达（通过）的早时间门控和第一次前壁回声（反射）的晚时间门控抑制了周向波和爬行波，恢复了可解释的对比。我们在铝制参考假人上验证了该平台，并在三个26650电池上演示了空间成像。扫描仪通过透射和反射产生可解释的角度高度图，定位标签，揭示方向和电荷状态相关的电解质重新分配，并突出与内部机械条件相关的稳定衰减特征。与x射线CT的共同配准提供了一个共同的角度框架，并在底层结构中锚定声学对比，使超声波成为现有电池无损检测（NDT）的实用补充。

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引用次数: 0

Trimetallic WFeMoB cotton cloud electrocatalyst for efficient electrochemical water splitting under harsh industrial conditions 用于恶劣工业条件下高效电化学水分解的三金属WFeMoB棉云电催化剂

IF 7.9 2区工程技术 Q1 CHEMISTRY, PHYSICAL

Journal of Power Sources

Pub Date : 2026-02-07 DOI: 10.1016/j.jpowsour.2026.239576

Md Najibullah, Mehedi Hasan Joni, Sumiya Akter Dristy, Md Ahasan Habib, Jihoon Lee

Green hydrogen offers a sustainable pathway to meet global energy demand while reducing carbon emissions. However, its scalable production requires robust electrocatalyst derived from earth-abundant elements. In this work, a trimetallic WFeMoB cotton cloud (CC) electrocatalyst synthesized via a single-step hydrothermal approach is reported, exhibiting exceptional catalytic activity and durability under harsh industrial conditions. The WFeMoB CC achieves low overpotentials of 197 mV for the oxygen evolution reaction (OER) and 332 mV for the hydrogen evolution reaction (HER) at 300 mA/cm². The bifunctional cell of WFeMoB⁽⁻⁾ || WFeMoB⁽⁺⁾ achieves a low cell voltage of 2.78 V at high current density of 2000 mA/cm² in 1 M KOH, outperforming the benchmark system of Pt/C⁽⁻⁾ || RuO₂⁽⁺⁾ and maintains stable operation for 150 h. Moreover, the hybrid Pt/C⁽⁻⁾ || WFeMoB⁽⁺⁾ configuration operates at only 2.32 V at 2000 mA/cm² under industrial conditions (6 M KOH, 60 °C).

绿色氢为满足全球能源需求提供了一条可持续的途径，同时减少了碳排放。然而，它的规模化生产需要从地球上丰富的元素中提取的强大的电催化剂。在这项工作中，报告了通过一步水热法合成的三金属WFeMoB棉花云（CC）电催化剂，在恶劣的工业条件下表现出优异的催化活性和耐久性。WFeMoB CC在300 mA/cm2下的析氧反应（OER）和析氢反应（HER）的过电位分别为197 mV和332 mV。在1 M KOH条件下，WFeMoB(−)|| WFeMoB（+）双功能电池在2000 mA/cm2的高电流密度下可获得2.78 V的低电池电压，优于Pt/C(−)|| RuO2（+）的基准系统，并保持150 h的稳定工作。此外，混合Pt/C(−)|| WFeMoB（+）结构在工业条件下（6 M KOH, 60°C）在2000 mA/cm2下的工作电压仅为2.32 V。

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引用次数: 0

Subject islands do not reduce to construction-specific discourse function. 主语岛并不简化为特定结构的话语功能。

IF 2.8 1区心理学 Q1 PSYCHOLOGY, EXPERIMENTAL

Cognition

Pub Date : 2026-02-07 DOI: 10.1016/j.cognition.2026.106467

Mandy Cartner, Matthew Kogan, Nikolas Webster, Matthew Wagers, Ivy Sichel

A central question about our shared capacity for language is how it is integrated with other cognitive systems. One important debate focuses on the extent to which the form of linguistic expressions is grounded in their communicative function: Can all constraints on linguistic form be attributed to the way constructions package information, or is linguistic form autonomous of meaning and function? One area of disagreement involves islands: phrases which block the formation of long-distance filler-gap dependencies (Ross, 1967). Grammatical subjects are considered islands, since questioning a sub-part of a subject results in an ill-formed sentence, e.g., "Which topic did the article about inspire you?". Autonomous syntactic approaches to islands attribute this ungrammaticality to the abstract movement dependency between the wh-phrase and the subject-internal position with which it is associated. An alternative developed in Abeillé et al. (2020) suggests that subjects' island status is specific to the information structure of wh-questions, suggesting that subjects are not islands for movement, but for focusing, due to their discourse-backgroundedness. This predicts that other constructions that involve movement but not focusing should not create a subject island effect. We test this in three acceptability studies, using a factorial design to isolate subject island violations across three constructions: wh-questions, relative clauses and topicalization. We find a subject island effect in each case, despite only wh-questions introducing what Abeillé et al. (2020) call "a clash in information structure". We argue that this motivates an account of islands in terms of syntactic representations shared across constructions, independent of communicative function.

关于我们共同的语言能力，一个核心问题是它是如何与其他认知系统相结合的。一个重要的争论集中在语言表达形式在多大程度上以其交际功能为基础：语言形式的所有限制都可以归因于结构包装信息的方式，还是语言形式独立于意义和功能？分歧的一个领域涉及岛屿：阻碍长距离填充依赖关系形成的短语（Ross, 1967）。语法主题被认为是孤岛，因为质疑主题的子部分会导致句子格式错误，例如，“这篇文章对你有什么启发？”岛屿的自主句法方法将这种不语法性归因于“wh”短语和与之相关的主体内部位置之间的抽象运动依赖关系。abill等人（2020）提出的另一种观点认为，受试者的岛屿状态是特定于wh问题的信息结构的，这表明由于他们的话语背景，受试者不是移动的岛屿，而是聚焦的岛屿。这预示着其他涉及运动但不聚焦的结构不会产生主体岛效应。我们在三个可接受性研究中验证了这一点，使用析因设计在三个结构中分离主语岛违规：wh-questions， relative从句和topicalization。我们在每种情况下都发现了主体岛效应，尽管只有“当”问题引入了abill等人（2020）所说的“信息结构冲突”。我们认为，这激发了对岛屿的描述，即跨结构共享的句法表征，独立于交际功能。

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引用次数: 0

Designing glass sealants for intermediate- and low-temperature solid oxide fuel cells: challenges and prospects 中低温固体氧化物燃料电池玻璃密封胶的设计：挑战与展望

IF 7.9 2区工程技术 Q1 CHEMISTRY, PHYSICAL

Journal of Power Sources

Pub Date : 2026-02-07 DOI: 10.1016/j.jpowsour.2026.239579

K. Singh, Paramvir Kaur, Satwinder Singh Danewalia

Glass sealants are indispensable for commercialising the energy-efficient and environmentally friendly planar design of solid oxide fuel/electrolyser cells (SOFC/SOECs). Mostly, alkaline-earth-modified aluminosilicate and aluminoborosilicate glass systems are standard and state-of-the-art glass sealants for high-temperature (HT) SOFCs (700-1000 °C). For intermediate-temperature (IT) and low-temperature (LT) SOFC operation, glass systems such as silicate-, borosilicate-, and phosphate-based glasses have been explored. Borosilicate-based sealants exhibit tunable thermal expansion and a lower characteristic temperature with poor stability in reducing oxygen partial pressure than silicate-based glasses. On the other hand, phosphate-based glasses offer lower sealing temperatures but often exhibit limited chemical durability and thermal stability. Thus, an appropriate glass sealant is still required for IT/LT-SOFCs, which should be compatible with the new set of materials to lower SOFC operating temperatures. Thus, designing suitable glass compositions for IT/LT-SOFCs poses several challenges, owing to the simultaneous requirements of compatibility with various SOFC components, fundamental constraints in optimising glass properties, and stability issues during long-term thermochemical cycles during operation. This perspective presents challenges and prospects for developing new sealant materials for IT/LT-SOFC, along with the background and required properties for glass sealants.

玻璃密封胶是实现固体氧化物燃料/电解槽（SOFC/SOECs）节能环保平面设计商业化不可或缺的材料。大多数情况下，碱土改性铝硅酸盐和铝硼硅酸盐玻璃系统是用于高温sofc（700-1000°C）的标准和最先进的玻璃密封剂。对于中温（IT）和低温（LT） SOFC操作，已经探索了硅酸盐，硼硅酸盐和磷酸盐基玻璃等玻璃系统。硼硅酸盐基密封胶表现出可调节的热膨胀和较低的特征温度，与硅酸盐基玻璃相比，在降低氧分压方面稳定性差。另一方面，磷酸盐基玻璃提供较低的密封温度，但通常表现出有限的化学耐久性和热稳定性。因此，IT/ lt -SOFC仍然需要合适的玻璃密封胶，它应该与新材料兼容，以降低SOFC的工作温度。因此，为IT/ lt -SOFC设计合适的玻璃组合物面临着几个挑战，因为同时要求与各种SOFC组分的兼容性，优化玻璃性能的基本限制，以及在运行过程中长期热化学循环中的稳定性问题。这一观点提出了为IT/LT-SOFC开发新型密封材料的挑战和前景，以及玻璃密封胶的背景和所需性能。

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引用次数: 0

Sex differences in the efficacy of cognitive behavioral therapy for adults with attention-deficit/hyperactivity disorder 成人注意缺陷/多动障碍认知行为治疗效果的性别差异

IF 1.5 4区医学 Q2 PSYCHIATRY

European Journal of Psychiatry

Pub Date : 2026-02-07 DOI: 10.1016/j.ejpsy.2026.100345

Juan Jesús Crespín , Montse Corrales , Vanesa Richarte , Gemma Parramón , Santiago Biel , Ferran Mestres , Carolina Ramos-Sayalero , Pol Ibáñez , Gemma Nieva , Carla Torrent , Derek Clougher , Christian Fadeuilhe , Silvia Amoretti , Josep Antoni Ramos-Quiroga

Background and objectives

Cognitive Behavioral Therapy (CBT) is an effective adjunctive treatment for Attention-Deficit/Hyperactivity Disorder (ADHD). This study examined sex differences in the efficacy of a brief 6-session CBT program versus a traditional 12-session format, combined with stable pharmacotherapy, in adults with ADHD.

Methods

A total of 81 adults (58 % male; 41.27 ± 9.26 years) were randomly assigned to 6- or 12-session CBT. ADHD symptoms, psychopathology, and functioning were assessed at baseline, post-treatment, and 3- and 6-month follow-up. Mixed-effects models analyzed interactions between time, treatment group, and sex.

Results

At baseline, females exhibited greater symptom severity (p = 0.019), higher inattention (p < 0.001), and more pronounced impairments (p = 0.004). CBT led to significant clinical improvements regardless of sex. A significant time-by-sex interaction emerged for inattention (CAARS:O:L, p = 0.043), although it did not remain significant after adjusting for baseline severity. Regarding time × group × sex interactions, females in the 6-session group showed smaller reductions in clinical severity during follow-up (CGI-S, p = 0.047); however, this effect was no longer statistically significant after controlling for baseline ADHD severity. Findings should be interpreted with caution given the limited female sample at follow-up and the significant influence of initial symptom burden on long-term trajectories.

Conclusions

CBT improves ADHD symptoms and related impairments in adults, with comparable overall benefits across sexes. Treatment response follow-up differences were better explained by baseline severity and treatment intensity rather than sex-specific differences.

背景与目的认知行为疗法（CBT）是治疗注意力缺陷/多动障碍（ADHD）的有效辅助疗法。这项研究考察了在成人多动症患者中，简短的6期CBT治疗方案与传统的12期CBT治疗方案（结合稳定的药物治疗）在疗效上的性别差异。方法81例成人（男性58%，41.27±9.26岁）随机分为6期和12期CBT组。在基线、治疗后以及3个月和6个月的随访中评估ADHD症状、精神病理和功能。混合效应模型分析了时间、治疗组和性别之间的相互作用。结果在基线时，女性表现出更严重的症状（p = 0.019）、更严重的注意力不集中（p < 0.001）和更明显的损伤（p = 0.004）。无论性别，CBT都能显著改善临床症状。注意力不集中出现了显著的时间-性别交互作用（CAARS: 0:L, p = 0.043），尽管在调整基线严重程度后它仍然不显著。在时间×组×性别互动方面，6次治疗组的女性在随访期间的临床严重程度降低较小（CGI-S, p = 0.047）；然而，在控制了基线ADHD严重程度后，这种效应不再具有统计学意义。考虑到随访时女性样本有限，以及初始症状负担对长期发展轨迹的显著影响，研究结果应谨慎解释。结论：scbt可改善成人ADHD症状和相关损伤，在两性中具有相当的总体益处。治疗反应的随访差异更好地解释了基线严重程度和治疗强度，而不是性别特异性差异。

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引用次数: 0

Modeling interactive car-following behaviors of automated and human-driven vehicles in safety-critical events: a multi-agent state-space attention-enhanced framework. 安全关键事件中自动驾驶和人类驾驶车辆的交互式跟车行为建模：一个多智能体状态空间注意力增强框架。

IF 6.2 1区工程技术 Q1 ERGONOMICS

Accident; analysis and prevention

Pub Date : 2026-02-07 DOI: 10.1016/j.aap.2026.108447

Qingwen Pu, Kun Xie, Hongyu Guo

As automated vehicles (AVs) become increasingly prevalent in mixed-traffic environments, it is essential to understand how they interact with human-driven vehicles (HDVs), especially in safety-critical situations. Existing research has primarily focused on AVs' collision avoidance strategies, often neglecting how AV maneuvers simultaneously influence the decision-making behaviors of HDVs. This study develops the multi-agent state-space attention-enhanced deep deterministic policy gradient (MA-ASS-DDPG) framework, leveraging the Third Generation Simulation (TGSIM) dataset for the first time to learn interactive car-following behaviors of an AV and the following human-driven vehicles (FHDV) in safety-critical scenarios. By integrating the attention mechanism to dynamically prioritize critical motion features and the state-space model to effectively capture temporal dependencies, the proposed framework models AVs executing collision avoidance strategies while simultaneously prompting HDVs to adapt their behaviors to mitigate potential risks. Results showed that MA-ASS-DDPG demonstrated superior performance in learning maneuvers of both the AV and the FHDV, outperforming counterpart models. Further, the MA-ASS-DDPG was used to reconstruct evasive trajectories of AVs and HDVs in safety-critical scenarios, and the reconstructed data successfully replicated reaction times comparable to real-world observations, further validating the model's effectiveness. Analysis showed that AVs following HDVs reacted 0.3473 s faster than HDV-HDV pairs, while HDVs following AVs reacted 0.2143 s faster, demonstrating more cautious and adaptive driving in response to AV maneuvers. Counterfactual analysis revealed that HDVs following AVs adopt more conservative speeds and larger acceleration variability. In addition, incorporating a safety term into the reward function of the learning framework leads to substantial improvements in safety performance, including reduced conflict occurrences, fewer high-risk deceleration events, and enhanced car-following stability. These outcomes of this study can support safety-aware traffic simulation, scenario-based safety testing, and enhanced AV control strategies in mixed-traffic environments.

随着自动驾驶汽车（av）在混合交通环境中变得越来越普遍，了解它们如何与人类驾驶汽车（hdv）互动至关重要，尤其是在安全关键的情况下。现有的研究主要集中在自动驾驶汽车的避碰策略上，往往忽略了自动驾驶汽车的机动如何同时影响自动驾驶汽车的决策行为。本研究开发了多智能体状态空间注意力增强的深度确定性策略梯度（MA-ASS-DDPG）框架，首次利用第三代仿真（TGSIM）数据集来学习自动驾驶汽车和随后的人类驾驶车辆（FHDV）在安全关键场景下的交互式汽车跟随行为。该框架通过集成关注机制来动态确定关键运动特征的优先级，以及状态空间模型来有效捕获时间依赖性，对自动驾驶汽车执行避撞策略的模型进行建模，同时促使自动驾驶汽车调整其行为以降低潜在风险。结果表明，MA-ASS-DDPG在自动驾驶汽车和FHDV机动学习上均表现出优异的性能，优于同类模型。此外，利用MA-ASS-DDPG重建了安全关键场景下自动驾驶汽车和hdv的躲避轨迹，重建的数据成功地复制了与现实世界观测结果相当的反应时间，进一步验证了模型的有效性。分析表明，与HDV-HDV组合相比，HDV-HDV组合后的自动驾驶车辆反应速度快0.3473 s，而HDV-HDV组合后的自动驾驶车辆反应速度快0.2143 s，显示出对自动驾驶机动的更谨慎和自适应驾驶。反事实分析表明，自动驾驶汽车之后的hdv采用更保守的速度和更大的加速度变异性。此外，在学习框架的奖励函数中加入安全术语可以显著提高安全性能，包括减少冲突发生、减少高风险减速事件和增强汽车跟随稳定性。这些研究结果可为混合交通环境下的安全感知交通模拟、基于场景的安全测试和增强的自动驾驶控制策略提供支持。

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引用次数: 0

The role of streamer trustworthiness and attractiveness in enhancing viewer engagement and mindfulness in live streaming. 在直播中，主播的可信度和吸引力在提高观众参与度和专注力方面的作用。

IF 2.7 4区心理学 Q2 PSYCHOLOGY, EXPERIMENTAL

Acta Psychologica

Pub Date : 2026-02-07 DOI: 10.1016/j.actpsy.2026.106367

Madina Khudaykulova, Yuanqiong He, Bojan Obrenovic, Akmal Khudaykulov, Nurbanu Abueva

The current study aims to propose, develop, and validate a conceptual framework featuring viewer engagement and psychological consequences in the context of live streaming commerce. Focusing on how streamers' trustworthiness and attractiveness shape streamers' state mindfulness experiences for live streaming commerce among Uzbekistan-based consumers, our framework draws upon Stimulus-Organism-Response (S-O-R); Uses and Gratifications Theory (UGT) and Social Cognitive Theory (SCT). Survey data generated 319 valid responses from livestream viewers in Uzbekistan, which were used to empirically evaluate the proposed model through Structural Equation Modeling (SEM). Findings reveal that participants engage in a three-stage process, which includes the stimulus, organism, and response stage, in shaping their psychological engagement during livestreaming. The evidence demonstrates that streamer trustworthiness and attractiveness serve as important precursors to information seeking, recognition, and escapism gratifications, which, in turn, enhance mindful engagement online. By offering insights into viewers' mental and emotional reactions to streamer cues in a developing market environment, the study is expected to guide the creation of livestreaming platforms that foster sustained attention and online well-being in Uzbekistan and other developing economies with similar socio-cultural settings.

当前的研究旨在提出、开发和验证一个概念框架，该框架在直播商业背景下具有观众参与度和心理后果。我们的框架借鉴了刺激-有机体反应（S-O-R），重点关注主播的可信度和吸引力如何塑造主播在乌兹别克斯坦消费者中直播商业的状态正念体验；使用与满足理论（UGT）和社会认知理论（SCT）调查数据产生了来自乌兹别克斯坦直播观众的319个有效回复，这些回复通过结构方程建模（SEM）对所提出的模型进行了实证评估。研究结果表明，参与者在形成直播过程中的心理参与时，经历了三个阶段的过程，包括刺激阶段、有机体阶段和反应阶段。有证据表明，信息流的可信度和吸引力是信息寻求、认可和逃避现实满足的重要前兆，而这反过来又增强了在线的正念参与。通过深入了解发展中市场环境中观众对主播提示的心理和情感反应，该研究有望指导直播平台的创建，从而在乌兹别克斯坦和其他具有类似社会文化背景的发展中经济体中培养持续的关注和在线幸福感。

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引用次数: 0

The influence of fulvic acid on molybdenum bioavailability assessed by Caenorhabditis elegans. 黄腐酸对秀丽隐杆线虫钼生物利用度的影响。

IF 8.4 2区环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES

Journal of Environmental Management

Pub Date : 2026-02-07 DOI: 10.1016/j.jenvman.2026.128895

Qian Huang, Lingfang Cui, Zhixin Song, Ming Li, Chao Zhang, Wenzhong Tang, Jianyin Huang

Molybdenum (Mo), a vital metallic element for the growth of flora and fauna, holds considerable commercial significance. However, research on Mo toxicity and its bioavailability remains limited. This study exploited the model organism Caenorhabditis elegans to examine the biological toxicity of Mo exposure in aquatic environments. By simulating environmental systems, the influence of fulvic acid (FA) on the bioavailability of Mo was investigated. The EquRay (Equilibrium Partitioning Ray) method was utilized to develop a binary mixed exposure system, exposing nematodes to a combination of FA and Mo with increased reactivity to examine the impact of FA on the composite toxicity of Mo. The results indicated that high-concentration Mo exposure (3000 mg L^-1) led to significant abnormalities in nematode survival and movement, with a 24-h median lethal concentration (LC₅₀) of 6000 mg L^-1. However, the addition of FA did not significantly ameliorate the survival toxicity of Mo but instead generated abnormally hyperactive movement in nematodes, particularly manifested as robust head thrashing,which was significantly higher than that of the control group. This study integrates "pollutants - biomarkers - effects" to analyze the bioavailability of heavy metals and their influencing factors, offering experimental evidence and theoretical support for creating and forecasting ecological risk models of heavy metal Mo in aquatic environments.

钼（Mo）是动植物生长的重要金属元素，具有相当大的商业意义。然而，对钼的毒性及其生物利用度的研究仍然有限。本研究利用模式生物秀丽隐杆线虫来研究Mo暴露在水生环境中的生物毒性。通过模拟环境系统，研究了黄腐酸（FA）对钼生物利用度的影响。利用equuray （Equilibrium Partitioning Ray）方法建立二元混合暴露系统，将线虫暴露于FA和Mo的组合中，增加反应性，研究FA对Mo复合毒性的影响。结果表明，高浓度Mo暴露（3000 mg L-1）导致线虫生存和运动显著异常，24小时中位致死浓度（LC50）为6000 mg L-1。然而，FA的添加并没有显著改善Mo的生存毒性，反而使线虫的运动异常活跃，特别是表现为剧烈的头部跳动，明显高于对照组。本研究结合“污染物-生物标志物-效应”分析重金属的生物利用度及其影响因素，为建立和预测水生环境重金属Mo生态风险模型提供实验依据和理论支持。

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引用次数: 0

Existing and future use cases, and safety and ethical considerations for AI in body image, and eating disorder prevention. 现有和未来的用例，以及人工智能在身体形象和饮食失调预防方面的安全和伦理考虑。

IF 5.4 1区心理学 Q1 PSYCHIATRY

Body Image

Pub Date : 2026-02-07 DOI: 10.1016/j.bodyim.2026.102042

Nadia Craddock, Harriet G Smith, Jake Linardon, Tracy L Tylka, Phillippa C Diedrichs

Artificial intelligence (AI) is rapidly transforming digital, clinical, and cultural landscapes in ways that hold significant implications for body image and eating disorder (ED) prevention. This article outlines how traditional and generative AI technologies influence societal appearance ideals as well as digital environments, including online mental health tools. While AI offers opportunities for early detection, personalized and scalable prevention, and the promotion of more inclusive representation, it also poses ethical and psychological risks, including amplification of harmful appearance ideals, algorithmic bias, and overreliance on technology. This article identifies key research priorities relevant to body image spanning macro-level impacts, emerging use cases, ethics and safety, equity and representation in datasets, public perceptions, and the need for interdisciplinary and participatory governance. As AI becomes embedded in everyday life, its responsible and safe use will be critical to ensuring it does not exacerbate body image concerns or increase ED risk.

人工智能（AI）正在迅速改变数字、临床和文化景观，对身体形象和饮食失调（ED）的预防产生重大影响。本文概述了传统和生成式人工智能技术如何影响社会外观理想以及数字环境，包括在线心理健康工具。虽然人工智能为早期发现、个性化和可扩展的预防提供了机会，并促进了更具包容性的代表性，但它也带来了伦理和心理风险，包括放大有害的外观理想、算法偏见和过度依赖技术。本文确定了与身体形象相关的主要研究重点，包括宏观层面的影响、新兴用例、伦理和安全、数据集的公平和代表性、公众认知以及跨学科和参与式治理的需求。随着人工智能融入日常生活，其负责任和安全的使用对于确保它不会加剧对身体形象的担忧或增加ED风险至关重要。

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引用次数: 0