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Modulating the degree of O vacancy defects to achieve selective control of electrochemical CO_(2) reduction products

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Chinese Chemical Letters 2024年第5期35卷 482-486页

作者： Tianbo Jia Lili Wang Zhouhao zhu Baikang zhu Yingtang Zhou Guoxing zhu Mingshan zhu Hengcong Tao School of Petrochemical Engineering&Environment Zhejiang Ocean UniversityZhoushan 316022China Department of General Practice First Medical CenterChinese PLA General HospitalBeijing 100853China National&Local Joint Engineering Research Center of Harbor Oil&Gas Storage and Transportation Technology Zhoushan 316022China School of Chemistry and Chemical Engineering Jiangsu UniversityZhenjiang 212013China Guangdong Key Laboratory of Environmental Pollution and Health School of EnvironmentJinan UniversityGuangzhou 511443China

Conversion of CO_(2) into high-value products using electrochemical CO_(2) reduction(ECR)technology is an effective way to alleviate global warming and reach carbon *** oxygen vacancies in heterogenous catalysis are generally considered as a powerful method to enhance the performance of ECR by promoting CO_(2) adsorption and ***,the extent of defects in oxygen vacancies-activity relation has rarely been ***,we prepared Cu-Cd bimetallic catalysts with adjustable oxygen defect degree by controlling the amount of cadmium *** transform infrared spectroscopy characterization results reveal that the formation of oxygen vacancies is attributed to the asymmetric stretching of Cu-O by the addition of *** results show that the oxygen defect degree can modulate the selectivity of ECR products.A low degree of oxygen defects(CuO)is generally associated with lower product Faraday efficiency(FE_(C2)/FE_(C1)≈114%),but overabundant oxygen vacancies(CuO_(2.625)-CdO_(0.375))are not entirely favorable to improving ECR activity(FE_(C2)/FE_(C1)≈125%)and single selectivity,while an appropriate degree of oxygen vacancies(CuO_(2.75)-CdO_(0.25))can facilitate the ECR process toward single product selective production(FE_(C2)/FE_(C1)≈296%).The theoretical calculation showed that the O vacancy formed on CuO and the interface between CdO and CuO were conducive to enhancing the formation of ^(*)COOH intermediate and promoting the generation of ethylene *** study provides a new approach and insight into the selective production of single products for future industrial applications of ECR.

关键词： CO_(2) O-vacancies Bimetallic catalysts Copper oxide Cadmium oxide Selective

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基于学科方法理解的教学设计--以“简谐运动”教学为例

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物理教学 2021年第6期43卷 10-12页

作者：朱海英李梦洁浙江省丽水中学浙江323000

本文以“简谐运动”一课的教学设计为例,阐述了“基于学科方法理解”的教学模式探索。本模式通过创设丰富的情境,打破学科壁垒,探寻方法联结,促进学生对学科方法的理解,发展学生的科学思维能力,将学生核心素养的培养落到实处。

关键词：学科方法理解科学思维方法联结简谐运动

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动作捕捉动画中动态响应仿真研究

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科技通报 2013年第8期29卷 71-72,75页

作者：祝海英刘玉宝长春职业技术学院信息技术分院长春130033 长春大学计算机科学技术学院长春130022

人类的动作捕捉嵌入丰富的细节,很难使用竞技动画合成技术来实现,当出现非预期的情况时,需要及时创建捕捉动作的记录数据进行响应。本文介绍了一种新技术,通过组合对接触力的物理模拟和一个专门的决策,重入动作库中的影响搜索程序,将一... 详细信息

人类的动作捕捉嵌入丰富的细节,很难使用竞技动画合成技术来实现,当出现非预期的情况时,需要及时创建捕捉动作的记录数据进行响应。本文介绍了一种新技术,通过组合对接触力的物理模拟和一个专门的决策,重入动作库中的影响搜索程序,将一个非预期的影响整合到动作捕捉动画系统驱动中。使用一个驱动的动态模型,系统生成一个基于物理响应而连接的动作捕捉片段。该方法允许角色基于特定的动态效应来应对意想不到的环境的变化。结论显示了在武术动作捕捉中,系统在各种条件下的不同响应效果较好。

关键词：动作仿真动作捕捉角色动作动作控制物理建模

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法拉第圆盘发电机原理探索的比较与教学实践——基于科学思维培养的视角

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物理教学 2021年第7期43卷 13-15页

作者：朱海英陈东晓浙江省丽水中学浙江323000 浙江省丽水市教育教学研究院浙江323000

本文基于科学思维培养的视角,通过对多部教材中法拉第发电机原理探索的比较和整合后进行教学实践,提出促进学科方法理解的科学思维培养有效途径:“从质疑到顿悟;从建模到迁移;从整合到联结”。

关键词：法拉第圆盘发电机科学思维学科方法理解深度学习

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Mastering air combat game with deep reinforcement learning

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Defence Technology（防务技术） 2024年第4期34卷 295-312页

作者： Jingyu zhu Minchi Kuang Wenqing Zhou Heng Shi Jihong zhu Xu Han Department of Precision Instruments Tsinghua UniversityBeijing 100084China Department of Computer Science and Technology Tsinghua UniversityBeijing 100084China Chengdu Aircraft Design&Research Institute Aviation Industry Corporation of ChinaChengdu 610000China

Reinforcement learning has been applied to air combat problems in recent years,and the idea of curriculum learning is often used for reinforcement learning,but traditional curriculum learning suffers from the problem of plasticity loss in neural *** loss is the difficulty of learning new knowledge after the network has *** this end,we propose a motivational curriculum learning distributed proximal policy optimization(MCLDPPO)algorithm,through which trained agents can significantly outperform the predictive game tree and mainstream reinforcement learning *** motivational curriculum learning is designed to help the agent gradually improve its combat ability by observing the agent's unsatisfactory performance and providing appropriate rewards as a ***,a complete tactical maneuver is encapsulated based on the existing air combat knowledge,and through the flexible use of these maneuvers,some tactics beyond human knowledge can be *** addition,we designed an interruption mechanism for the agent to increase the frequency of decisionmaking when the agent faces an *** the number of threats received by the agent changes,the current action is interrupted in order to reacquire observations and make decisions *** the interruption mechanism can significantly improve the performance of the *** simulate actual air combat better,we use digital twin technology to simulate real air battles and propose a parallel battlefield mechanism that can run multiple simulation environments simultaneously,effectively improving data *** experimental results demonstrate that the agent can fully utilize the situational information to make reasonable decisions and provide tactical adaptation in the air combat,verifying the effectiveness of the algorithmic framework proposed in this paper.

关键词： Air combat MCLDPPO Interruption mechanism Digital twin Distributed system

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EGFR-targeted and gemcitabine-incorporated chemogene for combinatorial pancreatic cancer treatment

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Nano Research 2024年第2期17卷 848-857页

作者： Miao Xie Qiushuang Zhang Yuanyuan Guo Lijuan zhu Xinyuan zhu Chuan Zhang School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative MoleculesInstitute of Molecular MedicineSixth people’s HospitalSchool of MedicineShanghai Key Laboratory for Molecular Engineering of Chiral DrugsShanghai Jiao Tong UniversityShanghai 200240China Department of Radiology Shanghai Jiao Tong University Affiliated Sixth People’s HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200233China Institute of Molecular Medicine Shanghai Jiao Tong University Affiliated Renji HospitalSchool of MedicineShanghai Jiao Tong UniversityShanghai 200127China

Pancreatic cancer stands out as a recognized intractable tumor due to its high malignancy and mortality rates,which are largely attributed to the insensitivity of current clinical chemotherapies or *** chemo and gene therapy that integrates different therapeutic targets,may increase the chemosensitivity of pancreatic cancer and synergistically enhance the antitumor ***,conventional co-delivery of gene and chemo drugs is intensively dependent on complex nanoparticle delivery systems,thus would be limited by unstable drug packaging,nonspecific biodistribution,and biosafety ***,we rationally designed an epidermal growth factor-receptor(EGFR)-targeted and gemcitabine-incorporated oligonucleotide(termed as chemogene)with anti-Bcl-2 sequence,which achieves simple and precise integration of gemcitabine into a gene regulative agent,as well as the EGFR-targeted delivery for pancreatic cancer *** solid-phase synthesis,gemcitabine,as the first-line chemodrug for pancreatic cancer,is introduced to the antisense oligonucleotide to replace all cytosine nucleosides to obtain the gemcitabine-integrated chemogene(Ge-ASO^(Bcl-2)).Thereafter,Ge-ASO^(Bcl-2)is covalently coupled with EGFR nanobody to construct the final targeted chemogene without any exogenous ***,this nanobody-conjugated chemogene exhibits remarkable tumor targeting capability and antitumor effects both in vitro and in vivo,which initiates a first step toward the application of combinatorial chemo and gene therapy for future pancreatic cancer treatment.

关键词： antisense oligonucleotide chemogene nanobody drug delivery system pancreatic cancer

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电影疗法管窥

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黑河学刊 2022年第4期 79-84页

作者：朱海英平顶山学院图书馆河南平顶山467000

电影疗法是传统阅读疗法在阅读维度上的拓展,具有较好的心理治疗效果,可以训练人的注意力、记忆力、观察力等,能够培养人解决心理问题的能力,在潜移默化中推动观看者认知和行为的改变,电影疗法有个人治疗和团体(小组)治疗两种方式,心理... 详细信息

电影疗法是传统阅读疗法在阅读维度上的拓展,具有较好的心理治疗效果,可以训练人的注意力、记忆力、观察力等,能够培养人解决心理问题的能力,在潜移默化中推动观看者认知和行为的改变,电影疗法有个人治疗和团体(小组)治疗两种方式,心理咨询师、教师、医生、监护人、图书馆员等都可以成为电影疗法的实施主体。

关键词：电影电影疗法心理治疗阅读疗法

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Theoretical Modeling and Surface Roughness Prediction of Microtextured Surfaces in Ultrasonic Vibration-Assisted Milling

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Chinese Journal of Mechanical Engineering 2024年第2期37卷 163-183页

作者： Chenbing Ni Junjie zhu Youqiang Wang Dejian Liu Xuezhao Wang Lida zhu School of Mechanical and Automotive Engineering Qingdao University of TechnologyQingdao 266525China School of Mechanical Engineering and Automation Northeastern UniversityShenyang 110819China

Textured surfaces with certain micro/nano structures have been proven to possess some advanced functions,such as reducing friction,improving wear and increasing *** prediction of micro/nano surface textures is of great significance for the design,fabrication and application of functional textured *** this paper,based on the kinematic analysis of cutter teeth,the discretization of ultrasonic machining process,transformation method of coordinate systems and the cubic spline data interpolation,an integrated theoretical model was established to characterize the distribution and geometric features of micro textures on the surfaces machined by different types of ultrasonic vibration-assisted milling(UVAM).Based on the theoretical model,the effect of key process parameters(vibration directions,vibration dimensions,cutting parameters and vibration parameters)on tool trajectories and microtextured surface morphology in UVAM is ***,the effect of phase difference on the elliptical shape in 2D/3D ultrasonic elliptical vibration-assisted milling(UEVAM)was *** to conventional numerical models,the method of the cubic spline data interpolation is applied to the simulation of microtextured surface morphology in UVAM,which is more suitable for characterizing the morphological features of microtextured surfaces than traditional methods due to the presence of numerous micro *** prediction of surface roughness indicates that the magnitude of ultrasonic amplitude in z-direction should be strictly limited in 1D rotary UVAM,2D and 3D UEVAM due to the unfavorable effect of axial ultrasonic vibration on the surface *** study can provide theoretical guidance for the design and fabrication of microtextured surfaces in UVAM.

关键词： Theoretical modeling Microtextured surface Ultrasonic vibration-assisted milling Cubic spline interpolation Surface roughness

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A coupled thermo-mechanical peridynamic model for fracture behavior of granite subjected to heating and water-cooling processes

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Journal of Rock Mechanics and Geotechnical Engineering 2024年第6期16卷 2006-2018页

作者： Luming Zhou Zhende zhu Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering Hohai UniversityNanjing210098China Jiangsu Research Center for Geotechnical Engineering Technology Hohai UniversityNanjing210098China

Thermal damage and thermal fracture of rocks are two important indicators in geothermal mining *** paper investigates the effects of heating and water-cooling on granite specimens at various *** laboratory uniaxial compression experiments were also ***,a coupled thermo-mechanical ordinary state-based peridynamic(OSB-PD)model and corresponding numerical scheme were developed to simulate the damage of rocks after the heating and cooling processes,and the change of crack evolution process was *** results demonstrate that elevated heating temperatures exacerbate the thermal damage to the specimens,resulting in a decrease in peak strength and an increase in ductility of *** escalating occurrence of thermal-induced cracks significantly affects the crack evolution process during the loading *** numerical results accurately reproduce the damage and fracture characteristics of the granite under different final heating temperatures(FHTs),which are consistent with the test results in terms of strength,crack evolution process,and failure mode.

关键词： Peridynamics(PD) Granite Heating and cooling Damage and fracture Uniaxial compression

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住院患儿家长对坠床安全防范的知信行量表的编制与信效度检验

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中国实用护理杂志 2022年第29期38卷 2291-2296页

作者：朱海英罗雯懿袁理上海交通大学医学院附属上海儿童医学中心护理部上海200127

目的编制住院患儿家长对儿童坠床安全防范的知信行量表, 并检验其信效度。方法以知信行理论为框架, 通过文献回顾、专家函询法构建条目池, 2021年5月运用方便抽样的方法对收治于上海交通大学医学院附属上海儿童医学中心的380名患儿家长... 详细信息

目的编制住院患儿家长对儿童坠床安全防范的知信行量表, 并检验其信效度。方法以知信行理论为框架, 通过文献回顾、专家函询法构建条目池, 2021年5月运用方便抽样的方法对收治于上海交通大学医学院附属上海儿童医学中心的380名患儿家长进行调查, 对量表进行信效度检验。采用临界比值法和相关分析法对量表进行项目分析。采用内部一致性信度和折半信度进行信度分析;采用内容效度和结构效度进行效度分析。结果住院患儿家长对儿童坠床安全防范的知信行量表包含3个维度共17个条目, 总量表Cronbachα系数为0.739, 折半信度为0.841。总量表的内容效度指数为0.991, 各条目的内容效度指数为0.890~1.000。探索性因子分析共提取3个公因子, 累计方差贡献率60.57%。结论编制的住院患儿家长对坠床安全防范的知信行量表具有良好的信效度, 可以作为评估住院患儿家长主动参与坠床安全防范知识、意愿或行为的工具。

关键词：住院患儿家长坠床知信行信度效度

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