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Synthesis of highly stable Ni nanoparticles via electrostatic self-assembly for enhanced hydrogen storage of MgH_(2)

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Rare Metals 2024年第9期43卷 4356-4366页

作者： Qin-Ke Tang Jiang-Chuan Liu Rui Shi yun-feng zhu Ji-Guang Zhang Ya-Na Liu Jun Wang Yao Zhang Xiao-Hui Hu Zhi-Bin Liu Li-Quan Li College of Materials Science and Engineering Jiangsu Collaborative Innovation Centre for Advanced Inorganic Function CompositesNanjing Tech UniversityNanjing 211816China School of Materials Science and Engineering Southeast UniversityNanjing 211189China

Magnesium-based hydrides have been widely recognized as an appropriate choice for solid-state hydrogen ***,its undesirable thermodynamics and sluggish hydrogenation/dehydrogenation kinetics are major bottlenecks for its ***,a highly stable and highly dispersed Ni-based catalyst(Ni/Al_(2)O_(3)/GN)was fabricated to promote the hydrogen storage performance of MgH_(2)via the electrostatic effect of NiAl-LDH/GN precursor with a co-calcination reduction ***_(2)-5wt%Ni/Al_(2)O_(3)/GN exhibits excellent hydrogen storage performance,releasing about 5.7 wt%hydrogen in 3500 s at 250℃,and can reach a saturation hydrogen absorption of about 6.15 wt%in 3000 s at 100℃.Furthermore,it also shows low dehydrogenation apparent activation energy of 89.1 and 118.2 kJ·mol^(-1).Impressively,the catalyst ensures the stability of both the physical phase and structure during ball milling and cycling *** role of each phase in Ni/Al_(2)O_(3)/GN on the hydrogen storage performance of MgH_(2)was also discussed through experiments and theoretical calculation,and the synergistic catalytic mechanism of Ni/Al_(2)O_(3)/GN was clearly *** work provides a unique perspective for the preparation of highly stable and highly dispersible catalysts.

关键词： Magnesium hydride Ni/Al_(2)O_(3)/GN Hydrogen storage performance Catalytic mechanism

Minimally Invasive Cochlear Implantation Assisted by Bi-planar Device： An Exploratory Feasibility Study in vitro

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Chinese Medical Journal 2016年第20期129卷 2476-2483页

作者： Jia Ke Shao-Xing Zhang Lei Hu Chang-Sheng Li yun-feng zhu Shi-Long Sun Li-feng Wang Fu-Rong Ma Department of Otorhinolarygology-Head and Neck Surgery Peking University Third HospitalBeijing 100191China Robotics Institute School of Mechanical Engineering and AutomationBeihang UniversityBeijing 100191China

Background：A single drilled tunnel from the lateral mastoid cortex to the cochlea via the facial recess is essential for minimally invasive cochlear implant *** study aimed to explore the safety profile of this kind of new image-guided and bi-planar device-assisted surgery procedure in ***：Image-guided minimally invasive cochlear implantations were performed on eight cadaveric temporal bone *** main procedures were：（1） temporal bone specimens were prepared for surgery and fiducial markers were registered.（2） computed tomography （CT） scans were performed for future reference.（3） CT scan images were processed and drill path was planned to minimize cochlear damage.（4） bi-planar device-assisted drilling was performed on the specimens using the registration.（5） surgical safety was evaluated by calculating the deviation between the drill and the planned paths,and by measuring the closest distance between the drilled path and critical anatomic ***：Eight cases were operated successfully to the basal turn of the cochlear with intact facial nerves （FNs）.The deviations from target points and entrance points were 0.86 mm （0.68-1.00 mm） and 0.44 mm （0.30-0.96 mm）,*** angular error between the planned and the drilled trajectory was 1.74° （1.26-2.41°）.The mean distance from the edge of the drilled path to the FN and to the external canal was 0.60 mm （0.35-0.83 mm） and 1.60 mm （1.30-2.05 mm）,*** five specimens,the chorda tympani nerves were well *** all cases,no injury happened to auditory ***：This exploratory study demonstrated the safety of the newly developed image-guided minimally invasive cochlear implantation assisted by the bi-planar device and established the operational ***,more in vitro experiments are needed to improve the system operation and its safety.

关键词： Cochlear Implantation Minimally Invasive Surgical Procedures Navigation

Influence of chloride salts on hydrogen generation via hydrolysis of MgH_2 prepared by hydriding combustion synthesis and mechanical milling

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Transactions of Nonferrous Metals Society of China 2017年第3期27卷 562-568页

作者： Shu LI De-yu GAN yun-feng zhu Ya-na LIU Ge ZHANG Li-quan LI College of Materials Science and Engineering Nanjing Tech University Nanjing 210009 China

The effects of chloride salts(NaCl,MgCl2and NH4Cl)on the hydrolysis kinetics of MgH2prepared by hydridingcombustion synthesis and mechanical milling(HCS+MM)were discussed.X-ray diffraction(XRD)analyses show that high-purityMgH2was successfully prepared by *** performance test results indicate that the chloride salt added during the millingprocess is favorable to the initial reaction rate and hydrogen generation yield within60min.A MgH2?10%NH4Cl composite exhibitsthe best performance with the hydrogen generation yield of1311mL/g and a conversion rate of85.69%in60min at *** is suggested that the chloride salts not only play as grinding aids in the milling process,but also create fresh surface ofreactive materials,favoring the hydrolysis reaction.

关键词： MgH2 hydrogen generation yield hydrolysis reaction chloride salts hydriding combustion synthesis mechanical milling

Long interspersed nuclear element ORF-1 protein promotes proliferation and resistance to chemotherapy in hepatocellular carcinoma

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World Journal of Gastroenterology 2013年第7期19卷 1068-1078页

作者： Fan feng Yin-Ying Lu Fan Zhang Xu-Dong Gao Chuan-Fu Zhang Alex Meredith Zhong-Xian Xu Yu-Tao Yang Xiu-Juan Chang Hong Wang Jian-Hui Qu Zhen Zeng Jun-Lan Yang Chun-Ping Wang yun-feng zhu Jia-Jun Cui Yong-Ping Yang Clinical Research Center of Hepatocarcinoma 302 Military Hospital Institute of Toxicology and Pharmacology Chinese Academy of Military Medical Sciences Tumor Center PLA General Hospital Institute of Disease Control and Prevention Chinese Academy of Military Medical Sciences Department of Cancer and Cell Biology University of Cincinnati College of MedicineCincinnatiOH 45267United States Beijing Institute for Neuroscience Capital Medical University

AIM:To clarify the specific roles and mechanisms of long interspersed nuclear element-1 ORF-1 protein [human long interspersed nuclear element-1(LINE-1),ORF-1p] in chemotherapeutic drug resistance and cell proliferation regulation in hepatocellular carcinoma(HCC) ***:MTT assays were performed to identify the effect of the chemotherapeutic drug toxicity on HepG2 *** proliferation inhibition and the IC 50 were calculated by the Origin 8.0 *** blotting assays were performed to investigate whether LINE-1 ORF-1p modulates the expression of some important genes,including p53,p27,p15,Bcl-2,mdr,and *** corroborate the proliferation and anchor-independent growth results,the HepG2 cells were analyzed by flow cytometry to investigate the effect of LINE-1 ORF1p on the apoptosis ***:LINE-1 ORF-1p contributed to the resistance to several chemotherapeutic drugs(cisplatin and epirubicin) in HepG2 *** IC 50 of the epirubicin and cisplatin increased from 36.04 nmol/L to 59.11 nmol/L or from 37.94 nmol/L to 119.32 nmol/*** of LINE-1 ORF-1p expression by the siRNA could markedly enhance the response of HepG2 cells to the epirubicin and *** IC 50 correspondingly decreased from 28.06 nmol/L to 3.83 nmol/L or from 32.04 nmol/L to 2.89 nmol/***,down-regulation of LINE-1 ORF-1p level by siRNA could promote the response of HepG2 cells to the *** IC 50 decreased from 35.90 nmol/L to 7.36 nmol/***,overexpression of LINE-1 ORF-1p did not modulate the paclitaxel toxicity in HepG2 *** Western blotting revealed that LINE-1 ORF-1p enhanced mdr and p-gp gene *** a protein arrested in the nucleus,LINE-1 ORF-1p may function through modulating transcriptional activity of some important transcription ***,LINE-1 ORF-1p promoted HepG2 cell proliferation,anchor-independent growth and protected the cells against apoptosis through modulating the expression of p15,p21,p53,and B

关键词： Long interspersed nuclear element-1 ORF-1 protein Hepatocellular carcinoma Chemotherapeutic drugs Multi-drug resistance

Observation of acoustic hybrid topological phases induced by the p-d orbital interactions

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Science China(Physics,Mechanics & Astronomy) 2025年第1期Mechanics & Astronomy) .卷 132-139页

作者： Xiao Xiang feng Gao Yu-Gui Peng Peng Wu Zong-Lin Li Xue-feng zhu School of Physics and Innovation Institute Huazhong University of Science and Technology

In spinless systems,growing attention has recently been attracted to synthetic gauge fields,which redefine the fundamental crystal symmetries by utilizing the projective algebraic ***,synthetic gauge fields have been commonly investigated in single orbital systems,and explorations on hybrid orbitals remain elusive in ***,we report the experimental observation of hybrid topological phases induced by hybrid synthetic gauge flux,which is formed by the interaction between p and d orbitals embedded in acoustic *** breaking the translation symmetries of Lxand/or Ly,we unambiguously demonstrate the first-order M?bius edge states and higher-order corner *** work establishes a platform for seeking exotic topological phases induced by hybrid-orbitals interactions and initializing the framework of hybrid-orbitalsrelated topological *** applications can be anticipated in scenarios such as high-quality sensing and robust wave trapping due to the stepwise energy distribution of the hybrid topological phase.

关键词： topological insulator synthetic gauge field projective symmetry corner states

Factors influencing agitation during anesthesia recovery after laparoscopic hernia repair under total inhalation combined with caudal block anesthesia

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World Journal of Gastrointestinal Surgery 2024年第11期16卷 3499-3510页

作者： yun-feng zhu Fan-Yan Yi Ming-Hui Qin Ji Lu Hao Liang Sen Yang Yu-Zheng Wei Department of Anesthesiology Nanning Tenth People’s HospitalNanning 530105Guangxi Zhuang Autonomous RegionChina

BACKGROUND Laparoscopic hernia repair is a minimally invasive surgery,but patients may experience emergence agitation(EA)during the post-anesthesia recovery period,which can increase pain and lead to complications such as wound reopening and *** is limited research on the risk factors for this agitation,and few effective tools exist to predict ***,by integrating clinical data,we have developed nomograms and random forest predictive models to help clinicians predict and potentially prevent *** To establish a risk nomogram prediction model for EA in patients undergoing laparoscopic hernia surgery under total inhalation combined with sacral block *** Based on the clinical information of 300 patients who underwent laparoscopic hernia surgery in the Nanning Tenth People’s Hospital,Guangxi,from January 2020 to June 2023,the patients were divided into two groups according to their sedation-agitation scale score,i.e.,the EA group(≥5 points)and the non-EA group(≤4 points),during anesthesia *** absolute shrinkage and selection operator regression was used to select the key features that predict EA,and incorporating them into logistic regression analysis to obtain potential pre-dictive factors and establish EA nomogram and random forest risk prediction models through R *** Out of the 300 patients,72 had agitation during anesthesia recovery,with an incidence of 24.0%.American Society of Anesthesiologists classification,preoperative anxiety,solid food fasting time,clear liquid fasting time,indwelling catheter,and pain level upon awakening are key predictors of EA in patients undergoing laparoscopic hernia surgery with total intravenous anesthesia and caudal block *** nomogram predicts EA with an area under the receiver operating characteristic curve(AUC)of 0.947,a sensi-tivity of 0.917,and a specificity of 0.877,whereas the random forest model has an AUC of 0.923,a sensitivity of 0.912,and a specificity of

关键词： Inhalation anesthesia Sacral block anesthesia Laparoscopic hernia surgery Agitation during recovery period Nomogram Surgical outcomes Postoperative complications

氧化亚铜微/纳米结构的形貌可控制备及光催化和防污性能

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无机化学学报 2014年第10期30卷 2258-2269页

作者：李如闫雪峰于良民董磊冯云珠中国海洋大学海洋化学理论与工程技术教育部重点实验室青岛266100

利用简便易行的液相法,采用葡萄糖为还原剂,通过调整加料方式、反应温度、NaOH用量等条件,实现具有{110}截面八面体、八面体和短足形等形貌的Cu2O微/纳米结构的可控制备,运用透射电子显微镜、扫描电子显微镜、紫外可见分光光度计等对产... 详细信息

利用简便易行的液相法,采用葡萄糖为还原剂,通过调整加料方式、反应温度、NaOH用量等条件,实现具有{110}截面八面体、八面体和短足形等形貌的Cu2O微/纳米结构的可控制备,运用透射电子显微镜、扫描电子显微镜、紫外可见分光光度计等对产物进行组成、结构、形貌和光响应的表征,对Cu2O的形貌结构和生长机理进行研究。对比和优化了具有不同形貌的Cu2O微/纳米结构对甲基橙染料的光催化性能。将不同形貌的微/纳米Cu2O作为防污剂复配的自抛光防污涂料,涂层磨蚀率、接触角与实海挂板实验证明该涂料具有良好的防污性能。

关键词：氧化亚铜微/纳米结构半导体光催化防污涂料

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依托产学研资源构建云制造服务平台研究

现代制造工程 2017年第4期 22-29页

作者：邓飞冯运朱海荣河北科技大学机械工程学院石家庄050018

通过分析云制造服务平台在实际开发过程中遇到的资源管理方面的难点,提出依托产学研联盟的固有资源构建服务平台的方案,以降低云制造应用系统在资源管理服务方面的开发难度,提高资源服务的稳定性和可靠性;设计了依托产学研资源的云平台... 详细信息

通过分析云制造服务平台在实际开发过程中遇到的资源管理方面的难点,提出依托产学研联盟的固有资源构建服务平台的方案,以降低云制造应用系统在资源管理服务方面的开发难度,提高资源服务的稳定性和可靠性;设计了依托产学研资源的云平台总体服务模型,阐述了云平台的构建方案及各功能模块的开发思路;最后,依托某产学研联盟的资源库建立并试运行了面向机械制造业的云制造管理系统,实现了一定的云服务功能,对服务效果进行了总结评价,为云制造的市场化建设实施做了有益尝试。

关键词：云制造产学研服务平台制造资源机械制造

Measurement of Bremsstrahlung Spectra on SECRAL

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2006年第1期 158-159页

作者： Zhao Huanyu Zhao Hongwei Ma Xinwen Sun Liangting Zhang Xuezhen Li Xixia Wang Hui Ma Baohua Cao yun feng Yucheng zhu Yuhua Shang Yong