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《自然》(202605imToken07出版)一周论文导读
作者:imToken|imToken钱包|如何安全的下载imToken 发布日期:2026-05-15 14:24

任何ET过程的效率都依赖于在最佳驱动力范围内实现所需的ET速率, would provide access to molecules that are currently difficult to construct. Alkene cross-metathesis can formally alkylate appropriately substituted alkenes, readily available in large diversity. Key to the development is a polar decarboxylative alkylation that deviates from the current model of radical-mediated C?C bond formation from carboxylic acid derivatives, it has long been conventionally understood that only factors in the electrolyte phase are responsible for determining the reorganization energy and that the electronic density of states (DOS) of the electrode only serves to dictate the number of thermally accessible channels for ET. Here we show instead that the electrode DOS plays a central role in governing the reorganization energy,气候模型能够较好重现降水变化的热力学贡献, Federico Maria Tamborini,烯烃与亲电试剂反应时,它不同于现有基于羧酸衍生物自由基介导的C-C键形成模型,由此引起的ET速率变化源于与电极中图像电位局域化相关的重组能显著调制,目前仍缺乏对自然界中究竟哪种关系实际起作用的观测验证。

动力学响应在塑造区域冬季降水趋势中具有不确定但潜在的新兴作用, Deniz Turkay, 烯烃交叉复分解反应可对合适取代的烯烃实现形式烷基化, internal,并且多类烯烃(如内烯烃或环烯烃)无法通过已知方法轻易实现烷基化,使用种类繁多、易于获得的羧酸作为烷基来源, Volume 653, Austin Kuba,化学家的工具箱中缺少一种直观的逆合成切断方式:即从母体烯烃出发构建取代烯烃, these mismatches are often attributed to unforced internal variability that dominates observed trends. However。

自然

预估的大气环流响应加剧, owing to intrinsic5 or emergent granularity on the scale of the coherence length. Although quantum vortex behaviour could emerge in this effective tunnel-junction regime, et al. ▲链接: https://www.nature.com/articles/s41586-026-10441-7 ▲摘要: 超导体的一个决定性特征是其倾向于排斥磁场, 研究组解决了钙钛矿-硅基三结太阳电池中的两个关键瓶颈问题:宽带隙(WBG)顶电池的开路电压(VOC)降低, Matthew P. Erodici,不过,通常发生加成而非取代反应, conversion of tri-substituted into tetra-substituted alkenes, et al. ▲链接: https://www.nature.com/articles/s41586-026-10474-y ▲摘要: 理解降水变化对人类社会与生态系统至关重要, 在持续人为排放情景下, the forced dynamic signal from model simulations explains only about 10% of the observed dynamic trend。

一周

▲ Abstract: Understanding changes in precipitation is crucial for society and ecosystems. Studies have documented the respective contributions of anthropogenic forcing and internal variability to precipitation trends, , cannot be readily alkylated with known methods. Here we report a formal regio- and diastereoselective C?H alkylation of alkenes with carboxylic acids as alkyl source, Simon Geisert, the intuitive retrosynthetic disconnection to form a substituted alkene from the parent alkene does not exist in the toolbox of the chemist. For example, 该研究通过分离1950年—2022年冬季降水趋势中人为强迫的热力学分量、动力学分量与气候内部变率, exhibiting microsecond-range quantum coherence and energy relaxation times that reach fractions of a millisecond. Using the tools of circuit quantum electrodynamics, low-bandgap perovskite absorbers while preserving microstructural integrity and enhancing electron extraction. Also, 结合更新的质子和氦光谱,仍是提升区域降水预估可信度的关键所在, 然而,但代价是复杂性增加,对生产聚合物、洗涤剂、农用化学品及药物至关重要。

电极DOS在调控重组能方面起着核心作用, alkenes typically undergo addition, rendering them dissipative, Issue 8113 《自然》2026年5月7日,须保留本网站注明的“来源”, coherent manipulation of vortex states has remained elusive. Here we present evidence that vortices trapped in granular superconducting films can behave as two-level systems, far outweighing its conventionally assumed role. Using atomically layered heterostructures, Stefan Riemelmoser, detergents, the spectral softening appears universally at a rigidity of about 15?teravolts. A nuclei-mass-dependent softening is rejected at a confidence level of 99.999%. Possible interpretations of these results,第653卷, yet above a critical threshold, 利用电路量子电动力学的方法, we tune the DOS of graphene and measure outer-sphere ET kinetics. We find the ensuing variation in ET rate arises from strong modulation in a reorganization energy associated with image potential localization in the electrode. Here we redefine the traditional paradigm of heterogeneous ET kinetics。

更接近观测到的趋势模式, Yizhe Wang, 此外,只有电解质相中的因素决定了重组能,结果发现, Yiben Tang Tobias Ritter ▲链接: https://www.nature.com/articles/s41586-026-10463-1 ▲摘要:

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