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Journal of Zhejiang University-Science B(Biomedicine & Biotechnology) 2013年第6期14卷 526-532页

作者： Zhen-zhen PENG xin-min chen Jun WANG Ai-jie LI Zu-jie XU State Key Laboratory of Oral Diseases West China Hospital of StomatologySichuan University

Objective:This study investigated the effect of proximal contact strength on the three-dimensional displacements of cantilever fixed partial denture(CFPD) under vertically concentrated loading with digital laser speckle(DLS) ***:Fresh mandible of beagle dog was used to establish the implant-supported CFPD for *** technique was employed for measuring the three-dimensional displacement of the prosthesis under vertically concentrated loading ranging from 200 to 3 000 *** effect of the contact tightness on the displacement of CFPD was investigated by means of changing the contact ***:When an axial concentrated loading was exerted on the pontic of the implant-supported CFPD,the displacement of the CFPD was the *** displacement of the prosthesis decreased with the increase of contact *** the contact strength was 0,0.95,and 3.25 N,the displacement of the buccolingual direction was smaller than that of the mesiodistal direction but greater than that of the occlusogingival *** the force on the contact area was 6.50 N,the mesiodistal displacement of the prosthesis was the biggest while the buccolingual displacement was the ***:The implant supported CFPD is an effective therapy for fully or partially edentulous *** restoration of the contact area and the selection of the appropriate contact strength can reduce the displacement of the CFPD,and get a better stress *** most appropriate force value is 3.25 N in this study.

关键词： Cantilever fixed partial denture Digital laser speckle technique Contact strength Three-dimensional displacement

Thermoelectric Properties and Electronic Structure of Ca_3Co_2O_6

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Journal of Wuhan University of Technology(Materials Science) 2004年第4期19卷 46-48页

作者：安继明 Wuhan University of Technology

The nanosized Ca 3Co 2O 6 powder was synthesized via sol-gel process. The phase composition was characterized by means of X-ray diffraction. Polycrystalline samples of Ca 3Co 2O 6 were prepared by a sintering procedure of nanosized power. The seebeck coefficient and electrical conductivity of the samples were measured from 450K up to 750K. The results show that the Seebeck coefficient increases with the increasing temperature. The electronic structures were calculated using the self-consistent full-potential linearized augmented plane-wave(LAPW) method within the density functional theory. The relationship between thermoelectric property and electronic structures was discussed.

关键词： thermoelectric property electronic structure nanosized compounds

TWO NEW AFZELECHIN GLYCOSIDES FROM-ARTHROMERIS MAIREI

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Chinese Chemical Letters 1992年第1期3卷 33-34页

作者： Wen Sheng YU Hong LI xin min chen Lei YANG chengdu Institute of Biology,Academia Sinica,chengdu,610015

Two new afzelechin glycosides,arthromerin A(1)and B(2),have been isolated from the root of Arthromeris mairei(Brause)*** structur- es were determined by means of their spectral and chemical evidence.

关键词： TWO NEW AFZELECHIN GLYCOSIDES FROM-ARTHROMERIS MAIREI

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航路飞行冲突解脱策略的滚动时域优化

交通运输工程学报 2016年第5期16卷 74-82页

作者：汤新民陈平李博南京航空航天大学民航学院江苏南京211106 中国电子科技集团第二十八研究所江苏南京210007

针对固定航路上2架航空器的冲突解脱问题,在基于航向角和地速调整的静态单一最优解脱策略的基础上,考虑航空器飞行过程中可能存在的速度扰动等不确定因素,给出了一种基于滚动时域优化的动态混合最优解脱策略,采用极大似然估计和牛顿-拉... 详细信息

针对固定航路上2架航空器的冲突解脱问题,在基于航向角和地速调整的静态单一最优解脱策略的基础上,考虑航空器飞行过程中可能存在的速度扰动等不确定因素,给出了一种基于滚动时域优化的动态混合最优解脱策略,采用极大似然估计和牛顿-拉夫逊迭代算法对风矢量进行辨识,对无扰动下的静态优化、航空器地速变化条件下的滚动时域优化以及风矢量变化条件下的滚动时域优化3种策略进行对比。分析结果表明:调整航向角的最短解脱时间为195s,调整地速的最短解脱时间为285s;第1架航空器减速、匀速、加速时,解脱时间分别为240、215、150s;风矢量横向、纵向分量估计值的平均绝对误差分别为0.049、-0.067km·h^(-1),相对误差分别为0.173%、-0.205%;对风矢量进行辨识后解脱时间从215s减少为160s。可见,基于风矢量辨识与滚动时域优化的动态混合最优解脱策略能够及时应对风矢量、航空器地速突然变化的情况,具有较好的动态适应性。

关键词：空中交通管理下一代空管自动化系统冲突解脱滚动时域控制参数辨识

研究型大学本科生就读经验及学习效果差异的类型学分析——以H大学为例

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中国高教研究 2020年第1期 49-56页

作者：魏署光杜鑫陈敏华中科技大学教育科学研究院湖北武汉430074

本科生类型学研究是本科生学习与发展研究领域的重要内容。基于2016年对某研究型大学9988名本科生的学习与发展调查,以本科生就读经验中的学生期望值和学生投入度为分类基准,对学生进行分类,并比较就读经验及学习效果的类型差异。研究... 详细信息

本科生类型学研究是本科生学习与发展研究领域的重要内容。基于2016年对某研究型大学9988名本科生的学习与发展调查,以本科生就读经验中的学生期望值和学生投入度为分类基准,对学生进行分类,并比较就读经验及学习效果的类型差异。研究得出六种学生类型,分别命名为卓越型、跟进型、平衡型、高需求型、社交型和游离型。六类学生在就读经验、学习效果及时间管理等方面,存在明显差异。学生类型呈现一定的历史稳定性和时代发展性。六类学生在学习效果及时间管理方面的差异,呈现某种一致性。学校要尊重学生类型间差异,促进学生类型间的良性转化,提高学生学习效果;通过大数据技术及学习分析,实施个性化教育。

关键词：本科生就读经验学习效果类型学

TWO NEW ARISTOLACTAMS FROM ARISTOLOCHIA CINNABARINA

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Chinese Chemical Letters 1994年第3期5卷 207-208页

作者： Hong LI Youji SAKAGAMI Shingo MARUMO xin min chen(chengdu Institute of Biology, Academia Sinica, chengdu 610041)(Deportment of Agricultural Chemistry, Nagoya University, Chikusa-Ku, Nagoya 464,Japan.)

Two new compounds, Cepharanone-A-N-β-D-glucoside (1) and 2-hydroxy- 8 methyloxy-cepharanone-A (2), have been isolated together with two known compounds from Aristolochia cinnaberina.

关键词：

A NEW ARISTOLOCHIC ACID FROM ARISTOLOCHIA CINNABARINA

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Chinese Chemical Letters 1994年第3期5卷 201-202页

作者： Hong LI Youji SAKAGAMI Shingo MARUMO xin min chen(chengdu Institute of Biology, Acadcmia Sinica, chengdu, 610041)(Department of AgricultUral Chemistry, Nagoys University, Chikusa-Ku, Nagoya 464,Japan.)

A new compound, aristolochoc acid Ⅲ a- 6-0-β-D-glucoside, was isolated along with four known compounds from Aristolochia cinnabarina. The structure of the new,compound was elucidated on the basis of spectral evidences

关键词： ACID A NEW ARISTOLOCHIC ACID FROM ARISTOLOCHIA CINNABARINA

How fertility preservation guidelines have progressed worldwide:Potential implications and inspiration

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Reproductive and Developmental Medicine 2022年第1期6卷 34-41页

作者： min-xin chen Ying Zhang Qing-Qing Cai Shuo Zhang Ran Xu Hua chen Yu Kang Yue Wu Ri-cheng Chian Cong-Jian Xu President Office Obstetrics and Gynecology Hospital of Fudan UniversityShanghai 200090China Fertility Preservation Center Obstetrics and Gynecology Hospital of Fudan UniversityShanghai 200090China Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases Obstetrics and Gynecology Hospital of Fudan UniversityShanghai 200090China Department of Genetics Shanghai JIAI Genetics and IVF InstituteShanghai 200011China Department of International Law China Foreign Affairs UniversityBeijing 100032China Department of Infertility Shanghai JIAI Genetics and IVF InstituteShanghai 200011China Clinical Research Center Obstetrics and Gynecology Hospital of Fudan UniversityShanghai 200090China Center for Reproductive Medicine Shanghai 10th People's Hospital of Tongji UniversityShanghai 200072China

To summarize fertility preservation (FP) guidelines and consensus provided by medical facilities worldwide. Five reference databases (PubMed/Embase, China BioMedical Literature Database, ClinicalKey, Wanfang Data, and China Knowledge Resource Integrated) and 7 guideline databases (Guideline International Network, National Collaborating Centre for Women’s and Children’s Health, National Guideline Clearinghouse, The National Institute for Health and Care Excellence, Scottish Intercollegiate Guidelines Network, New Zealand Guideline Group, and Canadian Medical Association infobase) were searched. Official websites of societies were searched to find relevant guidelines and consensus, and guidelines and published systematic reviews and consensus were reviewed from inception through May 2021. A literature search was performed regarding guidance offered in professional facilities, and 304 records (including 4 in Chinese) of existing guidelines for full-text review were found. Moreover, 55 guidelines were identified after a manual search. The literature review demonstrated that FP guidance and options were unevenly distributed worldwide for women who wanted to post-pone pregnancy or had impaired fertility after gonadal toxicity. With promising cancer survival rates and diversified family decisions, more attention should be paid to the improvement and update of accessible guidelines and regulatory infrastructure to inform patients about the available options and empower them to make informed choices. Restrictions to such services can be gradually eased due to the efficacy and safety of certain FP techniques for the right candidates to initiate pregnancy conception.

关键词： Fertility preservation Cancer patient Aging Guidance

Tb_4O_7掺杂的WO_3陶瓷的高温热电现象

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物理学报 2003年第6期52卷 1545-1548页

作者：羊新胜陈敏王豫华中科技大学物理系武汉430074

采用传统的固相烧结技术 ,制备Tb4O7掺杂的WO3陶瓷 .测量了其高温热电行为 ,发现样品升温和降温时相变分别出现在 3 5 0℃和 2 70℃ ,有 80℃的热滞 .并且样品在 5 0 0℃的恒定温度下有稳定的电能输出 ,这种现象用现有的温差电效应和热 ... 详细信息

采用传统的固相烧结技术 ,制备Tb4O7掺杂的WO3陶瓷 .测量了其高温热电行为 ,发现样品升温和降温时相变分别出现在 3 5 0℃和 2 70℃ ,有 80℃的热滞 .并且样品在 5 0 0℃的恒定温度下有稳定的电能输出 ,这种现象用现有的温差电效应和热 (释 )电效应理论都不能解释 .这是一种新的热电效应。

关键词： W03陶瓷固相烧结高温热电现象 Tb407掺杂热释电效应三氧化钨相变热电转换七氧化四铽掺杂

Sperm Donors in Shanghai,China:A Study of Motivations,Characteristics,and Semen Parameters of Actual Sperm Donors

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Reproductive and Developmental Medicine 2021年第4期5卷 213-219页

作者： Xiao Wang min-xin chen Feng Zhang Guo-Qing Liang Hong Zhu Bai-Lan Feng Zhi-Wen Tao Feng Jiang Department of Human Sperm Bank and President Office Obstetrics&Gynecology Hospital of Fudan UniversityShanghai 200000China Department of Andrology Shanghai JIAI Genetics&IVF institute-China USA CenterShanghai 200011China

Objective:To identify the sociodemographic characteristics,motivations,and semen parameters of sperm donors in Shanghai,***:The participants were sperm donors associated with the Human Sperm Bank of Fudan University in Shanghai,*** the 334 sperm donors that applied for participation,329 completed the survey *** responses obtained in the questionnaire and face-to-face interviews were used to investigate the donor motivations and characteristics,and the semen quality was examined to identify the sperm ***:In terms of the sociodemographic characteristics,an altruistic donor in this study was aged between 26 and 30 years,was single,did not have a child,had a college or undergraduate education level,was of the Han ethnicity,and worked full *** strongest motivation highlighted by sperm donors was a donation for altruistic(26.4%,n=87)*** second-highest rated motivation was curiosity(20.7%,n=68),followed by a desire to procreate(17.9%,n=59)."Complimentary body checks"(14.3%,n=47)and"financial incentives"(14.7%,n=47)were regarded as less *** average semen parameters of the 329 donors were as follows:the semen volume was 3.39±1.21 mL,the semen concentration was 82.75×10^(6)/mL,the progressive motility rate(PR%)was 63.77%±3.13%,the total motility rate was 66.26%,the total progressive motile count was 158.31%±54.43×10^(6)/mL,and the round cell concentration was 0.38±0.51×10^(6)/*** PR%of the procreation motivation group was significantly higher than that of the other motivation groups(P<0.05).Conclusions:Sperm donors in Shanghai,China,are altruistic about their donation,although curiosity is also a key *** addition,the decisions of donors are culturally influenced,and the motivation to procreate may influence the PR%.

关键词： Assisted Reproductive Technology Donation Semen Parameters Sperm Donors