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Tailoring crystallization zinc hydroxide sulfates growth towards stable zinc deposition chemistry

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Nano Research 2024年第6期17卷 5243-5250页

作者： Kaixin Huang Xianguang Zeng Dan Zhang Yujie Wang mu lan Chengyan Wen Yi Guo College of Materials Science and Engineering Sichuan University of Science and EngineeringZigong 643000China Department of Chemistry College of Resource and EnvironmentBaoshan UniversityBaoshan 678000China College of Optoelectronic Engineering Chengdu University of Information TechnologyChengdu 610225China

The unstable zinc anode/electrolyte interface induced by corrosion,interfacial water splitting reaction,and dendrite growth seriously degrades the performances of metal Zn anode in aqueous ***,the nucleation and growth of zinc hydroxide sulfate(ZHS),an interfacial by-product,has been tailored by Tween 80 in the electrolyte,which thereby assists in in-situ forming a dense solid electrolyte interphase(SEI)with small-sized ZHS and evenly distributed Tween *** SEI has high corrosion resistance and uniform distribution of zinc ions,which not only contributes to blocking the interfacial side reactions but also induces stable and calm zinc plating/***,the modified electrolyte can confer the assembled Zn||Zn symmetric cell with a stable operation life over 1500 h at 1 mA·cm^(−2)and 1 mAh·cm^(−2)as well as the practical Zn||NH4V4O10 full battery with a high-rate capacity of 120 mAh·g^(−1)at the current density of 5 A·g^(−1).This work provides a way for regulating and reusing interfacial by-products,and a new sight on stabilization electrodes/electrolyte interfaces.

关键词： zinc hydroxide sulfides tailoring crystallization in-situ solid electrolyte interphase electrolyte engineering strategy aqueous zinc-ion battery

Two-dimensional bifunctional electrocatalyst(Mo-NiFe-LDH)with multilevel structure for highly efficient overall water splitting

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Rare Metals 2024年第6期43卷 2613-2622页

作者： Bao-Jie Zhang Bin Chang Shi-Peng Qiu Gang Zhao Xiao Wang Xi-Jin Xu lan mu Wen-Bo Liao Xiao-Jing Dong School of Physics and Technology University of JinanJinan 250000China KAUST Catalysis Center(KCC) King Abdullah University of Science and Technology(KAUST)Thuwal 23955-6900Kingdomof SaudiArabia School of Chemical Engineering and Technology Tianjin UniversityTianjin 300072China School of Physics and Physical Engineering Qufu Normal UniversityQufu273100China

To effectively address energy challenges,it is crucial to explore efficient and stable bifunctional nonprecious metal *** this study,a Mo-doped nickeliron layered double hydroxide with flower-cluster architecture was successfully prepared by a one-step hydrothermal method,which demonstrated a good water splitting *** an appropriate amount of Mo doping,some lattice distortions in the material provided reactive sites for the adsorption and conversion of intermediates,thus optimising the charge distribution of the ***,the multidimensional void structures formed after doping had a larger specific surface area and accelerated the penetration of the electrolyte,which significantly improved the activity of the catalyst in alkaline *** 10 mA·cm^(-2),the hydrogen and oxygen evolution overpotentials of Mo-doped nickel-iron double hydroxides(Mo-NiFe LDH/NF-0.2)were 167 and 220 mV,respectively,with an excellent durability up to 24 *** the Mo-NiFe LDH/NF-0,2 catalyst was used as the cathode and anode of an electrolytic cell,the catalyst achieved a current density of 10 mA·cm^(-2)at an applied voltage of 1.643 *** study provides a novel approach for designing excellent bifunctional electrocatalysts containing nonprecious metals.

关键词： Bifunctional electrocatalysts 2D multilevel structure Overall water splitting Mo-doped Ni-Fe LDH

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产前超声表现为主动脉偏细胎儿特征及其转归

中国医学影像技术 2024年第6期40卷 889-892页

作者：穆兰陈松钟春燕重庆市妇幼保健院重庆医科大学附属妇女儿童医院超声科重庆401147

目的观察产前超声表现为主动脉偏细胎儿的特征及其转归。方法回顾性分析29胎产前超声发现主动脉偏细胎儿资料,对比产前与新生儿超声心动图参数及其转归。结果29胎产前超声均见主动脉峡部偏细,其中25胎主动脉峡部内径大于、1胎等于、3胎... 详细信息

目的观察产前超声表现为主动脉偏细胎儿的特征及其转归。方法回顾性分析29胎产前超声发现主动脉偏细胎儿资料,对比产前与新生儿超声心动图参数及其转归。结果29胎产前超声均见主动脉峡部偏细,其中25胎主动脉峡部内径大于、1胎等于、3胎小于左锁骨下动脉。29胎中,28胎伴主动脉瓣环偏细,26胎伴升主动脉偏细,27胎伴肺动脉瓣环增宽;10胎可见心室腔比例改变,包括1胎右心室偏大、9胎左心室偏小;24胎伴其他畸形。出生后4例存在主动脉狭窄(AS)或主动脉缩窄(COA)、6例主动脉偏细但为非AS及COA;19名主动脉内径正常,其中2名主动脉血流速度增高。结论产前超声显示主动脉偏细胎儿常可见主动脉峡部、主动脉瓣环及升主动脉偏细和肺动脉瓣环增宽,部分心室腔比例发生改变;出生后部分主动脉宽度可呈正常。

关键词：胎儿主动脉狭窄主动脉缩窄超声心动描记术预后

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口腔癌病人照顾者负担研究进展

护理研究 2024年第4期38卷 651-655页

作者：穆兰金瑞华山西医科大学护理学院山西030001

对口腔癌病人照顾者负担的相关概念及评估工具、照顾负担现状、影响因素和干预策略等进行综述,旨在提高医护人员对口腔癌照顾者负担的重视,为进一步开展相关研究提供参考。

关键词：口腔癌照顾者负担护理综述

元宇宙医学在血管腔内介入治疗中的应用现状与未来

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介入放射学杂志 2024年第1期33卷 86-89页

作者：徐文博穆兰锦州医科大学附属第一医院导管室辽宁锦州121000 锦州医科大学附属第一医院耳鼻喉头颈外科辽宁锦州121000

2021年以来,元宇宙一词受到广泛的关注并成为国际热词,同时元宇宙在医疗领域的应用也受到广泛关注。元宇宙沉浸式的环境、虚实交融的空间以及超仿真的特点决定了其在医疗领域的应用具有广阔前景。目前元宇宙医学在慢性病诊疗、心理干预... 详细信息

2021年以来,元宇宙一词受到广泛的关注并成为国际热词,同时元宇宙在医疗领域的应用也受到广泛关注。元宇宙沉浸式的环境、虚实交融的空间以及超仿真的特点决定了其在医疗领域的应用具有广阔前景。目前元宇宙医学在慢性病诊疗、心理干预以及创新临床教学模式等方面已有应用。虽然元宇宙医学在血管腔内介入治疗中的应用处于发展阶段,但随着血管介入手术机器人、扩展现实、3D打印等技术的发展与应用,元宇宙医学在助力介入手术以及医生培训等方面将发挥重要作用。元宇宙医学逐步走向成熟,基于5G、AR、触觉互联网等技术远程指导介入手术和计算机辅助血管介入与虚拟技术结合模拟手术培训将成为常态。

关键词：元宇宙医学介入手术医生培训

可生物降解塑料取代传统塑料--对碳排放的影响

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Engineering 2024年第1期32卷 152-162页

作者： Guanyi Chen Jianyuan Li Yunan Sun Zhi Wang Gary ALeeke Christian Moretti Zhanjun Cheng Yuan Wang Ning Li lan mu Jinyu Li Junyu Tao Beibei Yan Li'an Hou Interdisciplinary Innovation Lab for Environment and Energy School of Mechanical Engineering&School of Biotechnology and Food ScienceTianjin University of CommerceTianjin 300134China School of Environmental Science and Engineering Tianjin UniversityTianjin 300350China School of Ecology and Environment Tibet UniversityLhasa 850012China Tianjin Key Laboratory of Biomass Wastes UtilizationTianjin Engineering Research Center for Organic Wastes Safe Disposal and Energy UtilizationTianjin 300072China School of Chemical Engineering University of BirminghamBirmingham B152TTUK Department of Environmental Systems Science ETH ZürichZürich CH-8092Switzerland

In recent years,a great deal of attention has been focused on the environmental impact of plastics,includ-ing the carbon emissions related to plastics,which has promoted the application of biodegradable *** worldwide have shown high interest in replacing traditional plastics with biodegradable ***,no systematic comparison has been conducted on the carbon emissions of biodegrad-able versus traditional plastic *** study evaluates the carbon emissions of traditional and biodegradable plastic products(BPPs)over four stages and briefly discusses environmental and economic *** scenarios-namely,the traditional method,chemical recycling,industrial composting,and anaerobic digestion-are considered for the disposal of waste BPPs(WBPPs).The analysis takes China as a case *** results show that the carbon emissions of 1000traditional plastic products(plastic bags,lunch boxes,cups,etc.)were52.09-150.36 carbon emissions equivalent of per kilogram(kg CO_(2)eq),with the stage of plastic production contributing 50.71%-50.77%.In comparison,1000 similar BPPs topped out at 21.06-56.86 kg CO_(2)eq,approximately 13.53%-62.19%lower than traditional plastic *** difference was mainly at the stages of plastic production and waste disposal,and the BPPs showed significant carbon reduction potential at the raw material acquisition *** disposal plays an important role in environmental impact,and composting and anaerobic digestion are considered to be preferable disposal methods for ***,the high cost of biodegradable plastics is a challenge for their widespread *** study has important reference significance for the sustainable development of the biodegradableplastics industry.

关键词： Carbon emissions Biodegradable plastics Different disposal scenarios Daily life consumption Environmental and economic discussion

2022年8月成渝两地臭氧污染差异影响因素分析

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环境科学 2024年第1期45卷 61-70页

作者：陈木兰李振亮彭超邓也宋丹林谭钦文重庆市生态环境科学研究院城市大气环境综合观测与污染防控重庆市重点实验室重庆401147 成都市环境保护科学研究院成都市大气科研重点实验室成都610072

2022年8月成都和重庆呈现显著的臭氧(O_(3))污染差异,成都O_(3)污染天高达20 d,重庆无O_(3)污染天,本文从前体物排放水平和气象条件分析此差异的影响因素.结果表明:(1)成都52种挥发性有机物(VOCs)(包含26种烷烃、16种芳香烃和10种烯烃)... 详细信息

2022年8月成都和重庆呈现显著的臭氧(O_(3))污染差异,成都O_(3)污染天高达20 d,重庆无O_(3)污染天,本文从前体物排放水平和气象条件分析此差异的影响因素.结果表明:(1)成都52种挥发性有机物(VOCs)(包含26种烷烃、16种芳香烃和10种烯烃)的总体积分数(18.8×10^(-9))是重庆(6.6×10^(-9))的2.8倍,总O_(3)生成潜势(OFP=51.2×10^(-9))是重庆(25.0×10^(-9))的2.0倍,总·OH损耗速率(L·OH=3.9 s^(-1))是重庆(2.3 s^(-1))的1.7倍.成都OFP前3是乙烯、间/对-二甲苯和异戊二烯;重庆OFP前3是异戊二烯、乙烯和丙烯.重庆仅烯烃对O_(3)的贡献率是60.7%,而成都烯烃和芳香烃的OFP分别是重庆的1.6倍和2.9倍.综上,成都VOCs总体积分数、大气光化学活性和O_(3)生成潜势均较重庆高.(2)成渝两地L·OH排名第1均为异戊二烯,表明8月O_(3)污染生物源贡献显著,但生物源排放活性与温度存在响应关系,8月14~24日重庆高温(38.3℃)使得生物源排放活性下降,而成都温度(34.9℃)加剧了生物源排放活性.(3)重庆水平、垂直大气扩散条件整体优于成都,且成都受到了区域性污染传输的影响.

关键词： O_(3)污染影响因素传输轨迹前体物排放水平 O_(3)生成潜势

软硬互层岩体对输水隧洞围岩稳定性的影响研究

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东北水利水电 2024年第5期42卷 22-24,71页

作者：牡兰张晓飞辽宁西北供水有限责任公司辽宁沈阳110000

软硬互层岩体是水工隧洞施工中经常遇到的地质环境,其对围岩安全稳定性的影响研究具有重要的理论意义和工程价值。以具体工程为依托,利用数值模拟的方式探讨软硬互层岩体的层厚比和岩层厚度对围岩应力、位移和塑性区特征的显著影响,获... 详细信息

软硬互层岩体是水工隧洞施工中经常遇到的地质环境,其对围岩安全稳定性的影响研究具有重要的理论意义和工程价值。以具体工程为依托,利用数值模拟的方式探讨软硬互层岩体的层厚比和岩层厚度对围岩应力、位移和塑性区特征的显著影响,获得相应的变化规律,可为理论研究和工程施工设计提供必要的支撑和借鉴。围岩的最大压应力和塑性区出现在拱腰部位,建议在施工中加强该部位的应力和变形监测。

关键词：软硬互层输水隧洞围岩稳定性

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自身荧光多肽探针快速高通量检测铜离子

粮食与油脂 2024年第5期37卷 147-152页

作者：谢紫微许迪雅张新王芳穆岚张琳中南林业科技大学食品科学与工程学院湖南长沙410004 食品安全监测与预警湖南省重点实验室湖南长沙410117 湖南省产商品质量检验研究院湖南长沙410117

构建了以组氨酸(H)-色氨酸(W)-组氨酸(H)-组氨酸(H)-谷氨酸(E)为氨基酸序列的荧光多肽探针HWHHE,结合酶标仪,可实现对水溶液中Cu^(2+)的快速高通量检测。结果表明:在优化的检测条件下(25℃、pH 7.4),探针多肽荧光HWHHE强度与Cu^(2+)浓度... 详细信息

构建了以组氨酸(H)-色氨酸(W)-组氨酸(H)-组氨酸(H)-谷氨酸(E)为氨基酸序列的荧光多肽探针HWHHE,结合酶标仪,可实现对水溶液中Cu^(2+)的快速高通量检测。结果表明:在优化的检测条件下(25℃、pH 7.4),探针多肽荧光HWHHE强度与Cu^(2+)浓度(0~1.0μmol/L)呈线性关系(R^(2)=0.997),检出限为2.67μg/L,远低于国家标准规定的限量,且加标回收率为93.7%~102.1%。采用高通量法检测实际样品(自来水以及饮用水)中Cu^(2+)浓度,其结果与用分光光度法测定结果无显著差异(P>0.05),证明荧光多肽探针HWHHE可结合酶标仪实现水溶液中Cu^(2+)的高通量快速检测。

关键词：多肽荧光探针选择性铜离子水高通量检测