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Deciphering the role of ultra-low-loaded rhodium in NiFe-MIL-53 for superior oxygen evolution reaction

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Journal of Energy Chemistry 2025年第1期100卷 77-86页

作者： Jinzhi Jia Jinhua Zhang Kailu Guo Lanyue Zhang Gening Du Hao You Junfeng huang Mudong Tu Hua Li yong Peng Wei Dou Cailing Xu State Key Laboratory of Applied Organic Chemistry College of Chemistry and Chemical Engineering School of Materials and Energy Lanzhou University College of Chemistry and Chemical Engineering Luoyang Normal University

Designing highly active and stable electrocatalysts of oxygen evolution reaction （OER） is one of the crucial *** this study,a novel OER electrocatalyst,NiFe-MIL-53 modified with ultra-low rhodium（Rh@NiFe-MIL-53）,is successfully prepared via the hydrothermal ***-situ Raman spectroscopy and electrochemical impedance spectroscopy reveal that the doped Rh accelerates the phase transformation of NiFe-MIL-53 and the in-situ formed Rh@NiFeOOH is the actual active *** importantly,the enhanced reversibility of electrochemical reconstruction between NiFeOOH and NiFe（OH）2after doping Rh is beneficial for improving the electrochemical stability of the catalyst.X-ray photoelectron spectroscopy spectra show the strong electronic interaction between single-atom Rh and Ni/Fe in Rh@***,theoretical calculations confirm that the integration of single-atom Rh into the NiFeOOH successfully reduces the band gap,regulates the d-band center （εd）,accelerates the charge transfer,and optimizes the adsorption behavior of oxygen-containing intermediates,thereby lowering the energy barrier of rate-determining ***,the optimized Rh@NiFe-MIL-53 exhibits excellent OER activity （240 mV） with a small Tafel slope of 48.2 mV dec-1and long-term durability (over1270 h at 10 m A cm-2and 110 h at 200 mA cm-2).This work presents a new perspective on designing highly efficient OER electrocatalysts.

关键词： NiFe-MIL-53 Rh Electrochemical reconstruction Catalytic mechanism Oxygen evolution reaction

Design of Tritium Systems for Chinese Helium Cooled Solid Breeding and Dual Functional Lead Lithium Test Blanket Module

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Design of Tritium Systems for Chinese Helium Cooled Solid Br...

Ninth China-Japan Symposium on Materials for Advanced Energy Systems and Fission & Fusion Engineering Jointed with CAS-JSPS Core-university Program Seminar on Fusion Materials, System and Design Integration

作者： De-Li Luo Chang-An Chen zhi-yong huang Yi-Fu Xiong Cheng Qin China Academy of Engineering Physics,P.O.Box:919-71,Mianyang,621900,Sichuan,P.R.China

A set of common used ancillary tritium processing systems including the tritium extract system (TES),the coolant purification system(CPS),and the tritium measurement system(TMS)have been designed for the two types of Chinese test blanket modules(TBM)located in a whole test port in the international thermonuclear experimental reactor(ITER),based on the structure features and technical parameters of Chinese helium cooled solid breeder(CH-HCSB)and dual functional lithium lead(DFLL)*** functions,technical parameters,and process flows of these systems have been *** is designed to extract tritium produced in the breeder,to store and separate hydrogen isotope *** and tritium in the helium coolant is removed through *** has the function of testing the tritium breeding rate in TBM which sometimes replaces the function of *** release to the environment from two types of Chinese TBMs and the common tritium systems is well controlled below the tritium safety limit of ITER,based on the tritium permeation and tritium safety analysis.

关键词： Tritium systems Helium cooled solid breeder Dual functional lithium lead Test blanket module ITER

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茶叶中噻嗪酮残留量的GC-MS测定

分析测试学报 2002年第2期21卷 78-80页

作者：李拥军黄志强戴华张莹湖南出入境检验检疫局技术中心湖南长沙410007

采用样品处理的微量化学法和固相萃取技术,建立了茶叶中噻嗪酮残留量的GC -MS测定方法 ;用丙酮 -正己烷 (体积比1∶1)萃取 ,活性碳和中性氧化铝小柱净化 ,净化液用GC -MS测定,外标法定量 ;方法回收率在88%～109 %之间,相对标准偏差为2 %... 详细信息

采用样品处理的微量化学法和固相萃取技术,建立了茶叶中噻嗪酮残留量的GC -MS测定方法 ;用丙酮 -正己烷 (体积比1∶1)萃取 ,活性碳和中性氧化铝小柱净化 ,净化液用GC -MS测定,外标法定量 ;方法回收率在88%～109 %之间,相对标准偏差为2 %～4 %,测定限为0.010×10-6(w);该法快速、灵敏、准确 ,各项技术指标均满足残留量检测的要求。

关键词：噻嗪酮残留量固相萃取茶叶杀虫剂农药气相色谱-质谱法 GC-MS 测定

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CPE-g-VC共聚树脂结构与性能的关系

聚氯乙烯 2002年第3期30卷 23-26页

作者：包永忠黄志明翁志学浙江大学高分子工程研究所浙江杭州320027

采用悬浮溶胀接枝共聚方法合成不同CPE含量的CPE - g -VC共聚树脂 ,对其加工性能和力学性能进行了研究 ,并与PVC、PVC/CPE共混物进行比较。结果表明 :接枝共聚物的加工性能优于PVC和PVC/CPE共混物 ,且其加工性能随CPE含量增加而逐渐改... 详细信息

采用悬浮溶胀接枝共聚方法合成不同CPE含量的CPE - g -VC共聚树脂 ,对其加工性能和力学性能进行了研究 ,并与PVC、PVC/CPE共混物进行比较。结果表明 :接枝共聚物的加工性能优于PVC和PVC/CPE共混物 ,且其加工性能随CPE含量增加而逐渐改善 ;在CPE含量相同时 ,CPE - g -VC共聚物的冲击强度大于PVC/CPE共混物 ,冲击强度随CPE含量的增加而增强 ;当CPE含量相同时 ,CPE -g -VC共聚物的冲击强度随接枝率增加而增强 ;相近CPE含量的接枝共聚物的屈服强度大于共混物。

关键词： CPE-g-VC共聚物接枝率加工性能冲击强度结构氯化聚乙烯

一种新型的重组单链三特异抗体的构建与表达(英文)

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生物化学与生物物理学报 2003年第6期35卷 503-510页

作者：宋利萍程巨龙王祥斌张众方敏周志勇黄华樑中国科学院遗传与发育生物学研究所中国科学院遗传与发育生物学研究所北京100101

双特异抗体由于其缺乏共刺激信号 ,激活的T细胞往往会导致凋亡。为了更有效地杀伤肿瘤细胞 ,构建了抗卵巢癌单链×抗CD3单链×抗CD2 8单域重组三特异抗体的表达载体。利用大肠杆菌中的分子伴侣FkpA与三特异抗体共表达 ,提高了三特异抗... 详细信息

双特异抗体由于其缺乏共刺激信号 ,激活的T细胞往往会导致凋亡。为了更有效地杀伤肿瘤细胞 ,构建了抗卵巢癌单链×抗CD3单链×抗CD2 8单域重组三特异抗体的表达载体。利用大肠杆菌中的分子伴侣FkpA与三特异抗体共表达 ,提高了三特异抗体的在BL2 1Star菌中的可溶性原核表达。ELISA结果显示 ,可溶性的重组单链三特异抗体 (sTRI)与SK OV 3细胞的膜抗原 ,Jurkat细胞上的CD3分子以及重组CD2 8抗原均有较强的结合活性。桥连试验证明该抗体能同时与SK OV 3细胞和Jurkat细胞结合。体外杀伤试验表明该抗体能激活外周血T细胞来杀伤肿瘤细胞。形态学观察也进一步说明该抗体具有良好的结合活性以及体外杀伤活性。这种新型的重组单链三特异抗体为基于T细胞的癌症免疫治疗建立了一个新的技术平台。

关键词：三特异抗体重组单链抗体卵巢癌 CD28 CD3

NUMERICAL STUDY OF NON-AQUEOUS PHASE LIQUID TRANSPORT IN A SINGLE FILLED FRACTURE BY LATTICE BOLTZMANN METHOD

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Journal of Hydrodynamics 2012年第1期24卷 130-137页

作者： DOU zhi ZHOU zhi-fang huang yong WU Wei School of Earth Science and Engineering Hohai UniversityNanjing 210098China School of Materials Science and Engineering Southeast UniversityNanjing 211189China

In this article,the Non-Aqueous Phase Liquid（NAPL）transport in the single filled fracture was studied with the Shan-Chen multi-component multiphase Lattice Boltzmann Method（LBM）with special consideration of wettability *** the help of the model,the contact angle of the non-wetting phase and wetting phase interface at a solid wall could be *** considering a set of appropriate boundary conditions,the fractured conductivity was investigated in condition that the NAPL blocks the channels in the single filled *** order to study the wettability effects on the NAPL transport,a constant driving force was introduced in the Shan-Chen multi-component multiphase *** regimes with different wettabilities were *** results show that the LBM is a very instrumental method for simulating and studying the immiscible multiphase flow problems in single filled fracture.

关键词： single filled fracture Lattice Boltzmann Method(LBM) Non-Aqueous Phase Liquid(NAPL)transport wettability contact angle immiscible two-phase flow

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两种制备疏松PVC树脂的新型聚合方法

聚氯乙烯 2003年第5期31卷 11-14,27页

作者：包永忠黄志明翁志学浙江大学聚合反应工程国家重点实验室浙江杭州310027

介绍了制备疏松PVC树脂的两种新聚合方法—以正丁烷为反应介质分散聚合和悬浮态乳液聚合,并对树脂颗粒的特性进行了简述。结果表明:以正丁烷为反应介质的非均相VC分散聚合所得树脂的粒径和颗粒形态与聚合体系VC/But比例和转化率等有关,... 详细信息

介绍了制备疏松PVC树脂的两种新聚合方法—以正丁烷为反应介质分散聚合和悬浮态乳液聚合,并对树脂颗粒的特性进行了简述。结果表明:以正丁烷为反应介质的非均相VC分散聚合所得树脂的粒径和颗粒形态与聚合体系VC/But比例和转化率等有关,由于存在向But的链转移,PVC分子质量小于相同聚合温度下生产的悬浮PVC树脂,悬浮态乳液聚合所得树脂粒径分布和颗粒形态与水油比、转化率和添加剂品种有关。

关键词：制备疏松PVC树脂聚氯乙烯非水分散聚合悬浮态乳液聚合颗粒形态

Cerebral fat embolism following autologous fat injection in facial reconstruction:A case report

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World Journal of Clinical Cases 2025年第2期13卷 50-58页

作者： Xiu-Ying Chen Fa Shen Chang Cheng Yu-Han Wang Wen-Chao Cheng De-zhi Yuan Wen huang Department of Neurology Chongqing Emergency Medical CenterChongqing University Central HospitalChongqing 400000China Department of Neurology Xinqiao HospitalThe Army Medical University(Third Military Medical University)Chongqing 400000China

BACKGROUND Autologous fat injection in facial reconstruction is a common cosmetic *** cerebral fat embolism(CFE)as a complication is rare,it carries serious health *** SUMMARY We present a case of a 29-year-old female patient who developed acute CFE following facial fat filling *** the surgery,the patient experienced symptoms including headache,nausea,vomiting,and difficulty breathing,which was followed by neurological symptoms such as slurred speech and left-sided *** physical examination and auxiliary investigations,including blood tests,head and neck computed tomography angiography,and cranial magnetic resonance diffusion-weighted imaging,were performed upon *** clinical diagnosis was acute cerebral embolism following facial fat filling *** included measures to improve cerebral circulation,dehydration for intracranial pressure reduction,nutritional support,and rehabilitation therapy for left limb *** patient showed a significant improvement in symptoms after 2 weeks of *** recovered left limb muscle strength to grade 5,had clear speech,and experienced complete relief of *** Our case highlights the potential occurrence of severe complications in patients undergoing fat injection in facial *** prevent these complications,plastic surgeons should enhance their professional knowledge and skills.

关键词： Cerebral fat embolism Mechanical thrombectomy Thrombolysis Steroid therapy Symptomatic treatment Case report

16层螺旋CT灌注成像诊断超急性期脑梗死的价值

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实用放射学杂志 2008年第8期24卷 1017-1019页

作者：陈前丽万智勇黄海栋李鸿生上海市浦东新区浦南医院CT室

目的探讨16层螺旋CT灌注成像对超急性期脑梗死的诊断价值。方法对20例临床怀疑为超急性期脑梗死患者在发病后6h内行16层螺旋CT平扫及灌注成像,观察CT平扫表现及灌注图像的rCBV、rCBF、MTT及TTP等参数灌注图,所有病例均在发病后1周复查C... 详细信息

目的探讨16层螺旋CT灌注成像对超急性期脑梗死的诊断价值。方法对20例临床怀疑为超急性期脑梗死患者在发病后6h内行16层螺旋CT平扫及灌注成像,观察CT平扫表现及灌注图像的rCBV、rCBF、MTT及TTP等参数灌注图,所有病例均在发病后1周复查CT平扫。结果5例CT平扫发现可疑脑缺血区,15例平扫未发现异常。20例CT灌注图上均发现与临床症状相对应的脑缺血区,15例患者复查头颅CT平扫均发现不同程度的脑梗死,脑梗死区rCBV、rCBF明显下降,MTT及TTP明显延长。缺血半暗带区表现为rCBF下降,MTT及TTP延长而rCBV正常或轻度升高。结论16层螺旋CT灌注成像诊断超急性脑梗死,对临床治疗具有重要的指导意义。

关键词：脑缺血脑梗死灌注体层摄影术,X线计算机