摘要：Inspired by natural photosynthesis,fabricating high-performance S-scheme heterojunction is regarded as a successful tactic to address energy and environmental ***,NH_(2)-MIL-125(Ti)/Zn_(0.5)Cd_(0.5)S/NiS(NMT/ZCS/NiS)S-scheme heterojunction with interfacial coordination bonds is successfully synthesized through in-situ solvothermal ***,the optimal NMT/ZCS/NiS S-scheme heterojunction exhibits comparable photocatalytic H_(2)evolution(PHE)rate of about 14876.7μmol h^(−1)g^(−1)with apparent quantum yield of 24.2%at 420 nm,which is significantly higher than that of recently reported MOFs-based *** interfacial coordination bonds(Zn–N,Cd–N,and Ni–N bonds)accelerate the separation and transfer of photogenerated charges,and the NiS as cocatalyst can provide more catalytically active sites,which synergistically improve the photocatalytic ***,theoretical calculation results display that the construction of NMT/ZCS/NiS S-scheme heterojunction also optimize the binding energy of active site-adsorbed hydrogen atoms to enable fast adsorption and *** Kelvin probe force microscopy,in-situ irradiation X-ray photoelectron spectroscopy,femtosecond transient absorption spectroscopy,and theoretical calculations provide sufficient evidence of the S-scheme charge migration *** work offers unique viewpoints for simultaneously accelerating the charge dynamics and optimizing the binding strength between the active sites and hydrogen adsorbates over S-scheme heterojunction.

摘要：面对当前全球范围内资源环境、社会公平与卫生健康问题的加剧,以及新技术发展所导致的生活方式的改变,基于实证研究进行设计干预,服务人类生存福祉,缔造幸福城市生活,是全球建筑及相关领域的重要研究趋势之一.进入21世纪后,在我国新型城镇化发展背景下,建筑业由粗放的增量扩张向精细的存量提质转变.

摘要：Recent advances in non-radiative wireless power transfer(WPT)technique essentially relying on magnetic resonance and near-field coupling have successfully enabled a wide range of ***,WPT systems based on double resonators are severely limited to short-or mid-range distance,due to the deteriorating efficiency and power with long transfer *** systems based on multi-relay resonators can overcome this problem,which,however,suffer from sensitivity to perturbations and fabrication ***,we experimentally demonstrate a concept of topological wireless power transfer(TWPT),where energy is transferred efficiently via the near-field coupling between two topological edge states localized at the ends of a one-dimensional radiowave topological *** a TWPT system can be modelled as a parity-time-symmetric Su-Schrieffer-Heeger(SSH)chain with complex boundary ***,the coil configurations are judiciously designed,which significantly suppress the unwanted cross-couplings between nonadjacent coils that could break the chiral symmetry of the SSH *** tuning the inter-and intra-cell coupling strengths,we theoretically and experimentally demonstrate high energy transfer efficiency near the exceptional point of the topological edge states,even in the presence of *** combination of topological metamaterials,non-Hermitian physics,and WPT techniques could promise a variety of robust,efficient WPT applications over long distances in electronics,transportation,and industry.

摘要：In this study,the Cr2O3/C@TiO2 composite was synthesized via the calcination of yolk–shell MIL-101@*** composite presented core–shell structure,where Cr-doped TiO2 and Cr2O3/C were the shell and core,*** introduction of Cr^3+and Cr2O3/C,which were derived from the calcination of MIL-101,in the composite enhanced its visible light absorbing ability and lowered the recombination rate of the photogenerated electrons and *** large surface area of the Cr2O3/C@TiO2 composite provided numerous active sites for the photoreduction ***,the photocatalytic performance of the composite for the production of H2 was better than that of pure *** the irradiation of a 300 W Xe arc lamp,the H2 production rate of the Cr2O3/C@TiO2 composite that was calcined at 500°C was 446μmol h−1 g−1,which was approximately four times higher than that of pristine TiO2 ***,the composite exhibited the high H2 production rate of 25.5μmol h−1 g−1 under visible light irradiation(λ>420 nm).The high photocatalytic performance of Cr2O3/C@TiO2 could be attributed to its wide visible light photoresponse range and efficient separation of photogenerated electrons and *** paper offers some insights into the design of a novel efficient photocatalyst for water-splitting applications.

摘要：面对当前全球范围内资源环境、社会公平与卫生健康问题的加剧,以及新的技术文明所导致的生活方式的转变,城市-建筑空间设计应当适应时代的需求,回归人本主义,以科学的方式服务人们生活的快速演进.城市人因工程学就是一种以当代人因技术为基础的新设计科学,其科学性在于通过建立需求-空间干预两者关系的描述性模型,使实证性的人体动态测量数据能够精准支持城市-建筑空间的设计过程.城市人因工程学这一新兴设计科学的出现符合我国当前以人为核心的新型城镇化,也契合我国“双碳”战略目标.本文从三个方面来阐述城市人因工程学这一新兴设计科学的“为什么”“是什么”,以及可能的“如何做”,并结合21世纪世界城市更新话题的讨论,提供一种发展设计科学的新路径.

摘要：A series of mesoporous Ta and Ta-W oxides have been prepared and employed as solid acid catalysts for the dehydration of fructose and glucose to 5-hydroxymethylfurfural(HMF).Solid state 31 P MAS NMR spectroscopic results using trimethylphosphine(TMP)as a probe molecule show that the acid strength and the ratio of Br?nsted to Lewis acid sites increase gradually with the addition of tungsten in tantalum *** is found that high sugar conversion and HMF selectivity are achieved over catalyst with relatively high ratios of Br?nsted to Lewis acid *** stoichiometric excess of formic acid relative to levulinic acid can be observed mainly because of direct decomposition of fructose over Lewis acid *** addition of 2-butanol leads to the increase of sugars conversion and the HMF selectivity,especially for the catalyst with high ratio of Br?nsted to Lewis acid *** them,Ta7W3 oxide catalyst shows 54%HMF selectivity and good reusability with the addition of 2-butanol by extracting HMF from aqueous phase and removing humins deposed on the surface of the catalyst.

摘要：炭泡沫是一种由孔泡和相互连接的孔泡壁组成的具有三维网状结构的多孔材料,具备强度高、密度低、热电性能可调、热膨胀系数低、耐高温、可设计性强、易加工等特点。用其做成的树脂基复合材料成型模具在模具制造、质量、变形、可维修、运输等方面都具有明显优势。文中先综述了模具用炭泡沫材料和炭泡沫模具技术发展,然后与传统模具对比说明炭泡沫模具的性能优势,进而对炭泡沫模具设计和制造中的关键技术进行归纳,最后对国内开展炭泡沫模具的研发提出建议。

摘要：A campus bus network design and evaluation, taking Tsinghua University as an example, is investigated in this paper. To minimize the total cost for both passengers and operator, the campus bus system planning in a sequential approach is discussed, including the route network design, headway （i.e., the inverse of service frequency） optimization, and system evaluation. The improved genetic algorithm is proposed to optimize the route network based on the route property, and the impacts of the fluctuation of passenger demand and average traveling time are analyzed. The identity proportion in the headway optimization is then introduced with full consideration of its impacts. Based on the actual variety of passenger demand, a non-fixed schedule demonstrates its efficiency. VISSIM is finally adopted to simulate the campus bus system and a comprehensive evaluation system for the campus bus is developed. Compared with the current bus network and the one without considering the route property, the evaluation of the proposed approach shows an improvement of 18.7% and 10.1%, respectively. Moreover, the sequential approach shows an efficiency significance for the development of public transit systems passengers and operator. mprovement over the alternative method. It is of great n large industrial parks to decrease the total cost for both

摘要：水情教育是国情教育的重要组成部分,水情教育高质量发展是生态环境可持续发展的重要保障,而高校是实施水情教育的重要阵地。通过对江苏涉水高校的问卷调查与访谈发现,江苏涉水高校在教育组织架构、教育内容设计、教学方法选择、教育评价与激励应用、育人成效等方面取得了显著进展,初步实现了水情教育的体系化建设。然而,实践中仍存在教育组织机制不完善、教育内容与方法适配度低、教育评价重知识传授轻技能实训、教育激励与学生需求不相容、学生水情素养发展不平衡等问题。从江苏水情教育高质量发展视域出发,提出了涉水高校水情教育实践创新路径,包括建立跨部门协同机制和信息共享平台、创新教育内容与方法、完善评价体系、优化激励机制、利用数字化工具促进现代化教学等,以提升水情教育的科学性、针对性与实效性,为培养具备全面水情素养的新时代人才提供有力支撑。

摘要：在分析了无线传感器网络特点的基础上,基于应用广泛的新型51核心单片机设计了一种新型多用硬件节点,此节点可搭配多种无线射频模块,论述了该节点的设计思路与设计方法,根据设计要求制作硬件实物并对该平台的功耗、无线数据传输距离和丢包率参数做出评估。在搭配Si4432无线模块时,该平台最大功率仅为280mW;无线通信距离为120m,丢包率仅为0.667%。硬件测试结果表明:该平台设计灵活、功耗低,满足无线传感器网络硬件节点要求,具有一定的应用价值。