检索结果-南通市图书馆

Particuology 2022年第3期20卷 47-54页

作者： Huilin Yi shuliang lu Jiajia Wu Yujun Wang Guangsheng luo State Key Lab of Chemical Engineering Department of Chemical EngineeringTsinghua UniversityBeijing 100084China Sinopec Beijing Research Institute of Chemical Industry Beijing 100000China

In this paper,we present a parallelized microfluidic device with improved ladder-tree distributors for the scaled-up production of monodisperse *** to the improved distribution form comprising a ladder distributor in the center and tree distributors around the circumference,the uniformity of the generated droplets for our device was improved by 32.9%and 86.1%compared to those achieved in devices with conventional tree and ladder distributors,respectively,in the final production stage with 32 droplet generators,indicating the potential of our device for further scale-up while maintaining the monodispersity of the generated *** effect of the 2D scale-up of our device was investigated by varying the continuous-phase flow rate and *** our device,γ-Al_(2)O_(3)microspheres with a diameter of 598.1μm and a CV of 2.58%,as catalyst support for microreactors,were continuously synthesized at high production *** nickel-based catalyst prepared fromγ-Al_(2)O_(3)microspheres with large specific surface area and pore volume had an average NiO size of 14 nm,which was 60.9%of that supported on industrial *** CO methanation conversion of the Ni@Al_(2)O_(3)microspheres was 1.7 times larger than Ni@Al_(2)O_(3)industrial support at 140℃.

关键词： Microfluidics Scale-up γ-Al_(2)O_(3)microspheres Methanation

Regenerative medicine in China:demands, capacity,and regulation

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Burns & Trauma 2016年第2期4卷 71-77页

作者： Biao Cheng shuliang lu Xiaobing Fu College of Life Sciences Medical College of PLAGeneral Hospital of PLABeijing 100853People's Republic of China The Key Laboratory of Trauma Treatment&Tissue Repair of Tropical Area PLAGuangzhou 510010People's Republic of China Ruijin Hospital Shanghai Jiao Tong UniversityShanghai 200025People's Republic of China College of Life Sciences Medical College of PLAGeneral Hospital of PLABeijing 100853People's Republic of China Chinese Academy of Engineering(Division of Medical and Health) College of Life SciencesMedical College of PLAGeneral Hospital of PLA28 Fu Xian RoadBeijing 100853People's Republic of China

Regenerative medicine(RM)is an emerging interdisciplinary field of *** clinical application focuses on the repair,replacement,and regeneration of cells,tissues,and organs by approaches including cell reprogramming,stem cell transplantation,tissue engineering,activating factors,and clone *** has become a hot point of research in China and other ***'s main and local governments have attached great importance to RM and given strong support in relevant policies and *** 3.5 billion RMB has been invested in this *** 1999,China has established about 30 RM centers and cooperates with many advanced countries in RM research and benefits from their ***,China needs to develop standards,regulations,and management practices suitable for the healthy development of *** this review,we focus on its great demand,capacity,and relative regulations.

关键词： Regenerative medicine Stem cell Tissue engineering China

Prevention and control of serious trauma and accidental injury in China: Timely but difficult

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Burns & Trauma 2013年第1期1卷 2-4页

作者： Xiaobing Fu shuliang lu Zhengguo Wang Wound Healing Unit The College of Life Science The PLA General Hospital Beijing 100853 Burn Institute The Ruijin Hospital Shanghai Jiaotong University Shanghai The Institute of Surgery The Third Military Medical University Chongqing P. R. China

Serious trauma and accidental injury are the leading causes of death among people younger than 45 years old in China. Thus, the prevention and control of serious trauma and accidental injury are important for reducing these deaths. The concept is timely but difficult. Here, we review the current state of serious trauma and accidents in China and other countries, focusing on road accidents, and provide our personal perspectives and suggestions on how to prevent and control these serious injuries in China.

关键词： Trauma accidental injury prevention control

Effect of polyamide on selectivity of its supported Raney Ni catalyst

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science China Chemistry 2016年第6期59卷 776-780页

作者： Haibin Jiang shuliang lu Xiaohong Zhang Baoliang Tian Hui Peng Wei Dai Jinliang Qiao SINOPEC Beijing Research Institute of Chemical Industry Beijing 100013 China

A newly-developed polyamide supported Raney Ni catalyst, which is suitable for use in fix-bed reactions with high selectivity, was studied in this paper. Selective hydrogenation of acetone to isopropanol was chosen as a probe reaction. It has been found that clean preparation of isopropanol could be achieved, that is to say, the two main byproducts(isopropyl ether and methyl-iso-butyl carbinol) could be eliminated with the newly-developed polyamide supported Raney Ni catalyst. The elimination of these side reactions was attributed to the adsorption effect of polyamide support and a model was proposed. The proposed model was further proved by hydroamination reaction of acetone. According to this model, catalyst support can play an important role in chemical reactions. Different products could be produced when different catalyst support is used, the main reaction and side reactions can even be reversed sometimes when the chemicals, active component of catalyst and reaction condition are the same. This model could help to improve catalytic selectivity of many Raney metal catalysts used routinely in chemical and oil refining industry, and is also useful for hydrogenation reactions in pharmaceutical and food industry.

关键词： polyamide Raney Ni acetone

Using Machine Learning to Identify and Optimize Sensitive Parameters in Urban Flood Model Considering Subsurface Characteristics

在线全文

学校读者我要写书评

暂无评论

International Journal of Disaster Risk Science 2024年第1期15卷 116-133页

作者： Hengxu Jin Yu Zhao Pengcheng lu shuliang Zhang Yiwen Chen Shanghua Zheng Zhizhou Zhu Key Laboratory of VGE of Ministry of Education Nanjing Normal UniversityNanjing 210023China Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing 210023China

This study presents a novel method for optimizing parameters in urban flood models,aiming to address the tedious and complex issues associated with parameter ***,a coupled one-dimensional pipe network runoff model and a two-dimensional surface runoff model were integrated to construct an interpretable urban flood ***,a principle for dividing urban hydrological response units was introduced,incorporating surface attribute *** K-means algorithm was used to explore the clustering patterns of the uncertain parameters in the model,and an artificial neural network(ANN)was employed to identify the sensitive ***,a genetic algorithm(GA) was used to calibrate the parameter thresholds of the sub-catchment units in different urban land-use zones within the flood *** results demonstrate that the parameter optimization method based on K-means-ANN-GA achieved an average Nash-Sutcliffe efficiency coefficient(NSE) of *** to the ANN-GA and K-means-deep neural networks(DNN) methods,the proposed method better characterizes the runoff generation and flow *** study demonstrates the significant potential of combining machine learning techniques with physical knowledge in parameter optimization research for flood models.

关键词： Artifcial neural network Coupled urban fooding model Genetic algorithm K-means algorithm Subcatchment delineation Uncertain parameters

在线全文

学校读者我要写书评

暂无评论

对创面修复关键问题的思考

中华烧伤杂志 2014年第2期30卷 95-99页

作者：陆树良上海交通大学医学院附属瑞金医院上海市烧伤研究所上海市创面修复研究中心200025

创面修复是一个既古老又现代的医学问题。说它古老，因为创面修复行为是机体的本能，甚至早于人类，大猩猩用舌头舔伤口就是一个佐证；说它现代，是因为人类对创面愈合的认识自20世纪80年代末到90年代初才从组织学和细胞功能学水平上升... 详细信息

创面修复是一个既古老又现代的医学问题。说它古老，因为创面修复行为是机体的本能，甚至早于人类，大猩猩用舌头舔伤口就是一个佐证；说它现代，是因为人类对创面愈合的认识自20世纪80年代末到90年代初才从组织学和细胞功能学水平上升至对生长因子的认识，才逐渐认识到创面愈合过程是由一个复杂的网络在调控。

关键词：巨噬细胞干细胞创面愈合生长因子真皮模板

在线全文

学校读者我要写书评

暂无评论

迁延不愈创面患者的治疗

中华烧伤杂志 2016年第10期32卷 577-579页

作者：陆树良上海交通大学医学院附属瑞金医院上海市烧伤研究所上海市创面修复研究中心200025

历经20多年的理论积累和10多年的临床探索，我国的创面修复专科建设正处于综合能力的提升阶段。近年来，我国创面修复专家团队通过多方合作，成功开展了对疑似与细菌武器有关、病程长达70余年下肢慢性创面患者的诊治。他们在实践经验基... 详细信息

历经20多年的理论积累和10多年的临床探索，我国的创面修复专科建设正处于综合能力的提升阶段。近年来，我国创面修复专家团队通过多方合作，成功开展了对疑似与细菌武器有关、病程长达70余年下肢慢性创面患者的诊治。他们在实践经验基础上，总结了对于老年患者长期不愈合创面进行创面纤维板组织切除和以头皮作为供皮区的手术方案，同时探索了基于互联网技术的将慢性创面诊治工作推广至偏远地区的运行模式，具有较好的有效性和便利性。

关键词：伤口愈合下肢皮肤移植计算机通信网络慢性创面

金属含量对Pt-Co/AC催化剂低温苯加氢性能的影响

在线全文

学校读者我要写书评

暂无评论

石油学报（石油加工） 2014年第2期30卷 211-217页

作者：郑仁垟鲁树亮朱月香中国石化石油化工科学研究院北京100083 北京大学化学与分子工程学院分子动态与稳态结构国家重点实验室北京分子科学国家实验室北京100871

采用浸渍法制备了活性炭负载的Pt—Co双金属催化剂Pt—Co／AC。探讨了不同金属质量分数（Pt的质量分数0．1％～1．2％，Co的质量分数5．0％～40．0％）对Pt—Co／At催化剂在70℃时催化苯加氢反应活性的影响。采用差热一热重方法分析了... 详细信息

采用浸渍法制备了活性炭负载的Pt—Co双金属催化剂Pt—Co／AC。探讨了不同金属质量分数（Pt的质量分数0．1％～1．2％，Co的质量分数5．0％～40．0％）对Pt—Co／At催化剂在70℃时催化苯加氢反应活性的影响。采用差热一热重方法分析了浸渍后样品的热分解过程，采用Hz程序升温还原法考察催化剂的还原性能，采用c0脉冲化学吸附测定催化剂表面活性位点。结果表明，Pt—Co／AC催化剂的加氢活性和表面活性位点均随着Co质量分数的增加而呈现先增加后减少的趋势，当Co质量分数为20％时，催化剂的活性最高；Co质量分数从5％增至40％时，催化剂单位活性位点的活性相近。当Pt—Co／AC催化剂中Pt质量分数在0．3％～1．2％时，其催化加氢活性随着Pt质量分数减少仅略有下降，表明加入少量的Pt即可表现出双金属效应。Pt—Co／AC双金属催化剂在70℃，甚至室温（30℃）时均表现出优异的苯加氢催化活性。

关键词：双金属催化剂 Pt Co 活性炭苯加氢

在线全文

学校读者我要写书评

暂无评论

“互联网＋创伤医学”的探索与思考

中华创伤杂志 2016年第3期32卷 193-195页

作者：陆树良上海交通大学医学院附属瑞金医院上海市烧伤研究所上海市创面修复研究中心200025

2015年3月5日十二届全国人大三次会议上，李克强总理在政府工作报告中首次提出“互联网＋”行动计划。李克强总理所提出的“互联网＋”实际上是创新2．0下的互联网发展新形态、新业态，是知识社会创新2．0推动下的互联网形态演进。新一... 详细信息

2015年3月5日十二届全国人大三次会议上，李克强总理在政府工作报告中首次提出“互联网＋”行动计划。李克强总理所提出的“互联网＋”实际上是创新2．0下的互联网发展新形态、新业态，是知识社会创新2．0推动下的互联网形态演进。新一代信息技术发展催生了创新2．0，而创新2．0又反过来作用于新一代信息技术形态的形成与发展，重塑了物联网、云计算、社会计算、大数据等新一代信息技术的新形态。

关键词：互联网创伤医学政府工作报告信息技术全国人大知识社会形态新业态

在线全文

学校读者我要写书评

暂无评论

新农村建设与大学生村官政策

中州学刊 2009年第1期 21-24页

作者：吕洪良吕书良华中科技大学政治教育系湖北武汉430074

截至2008年2月底,全国共有28个省、市、自治区启动大学生"村官"计划,其中17个省、市、自治区启动了村村有大学生"村官"计划。实行大学生村官政策,有利于优化村级班子、健全村级治理,有利于培育新型农民、促进农村经济发展,有利于构筑人... 详细信息

截至2008年2月底,全国共有28个省、市、自治区启动大学生"村官"计划,其中17个省、市、自治区启动了村村有大学生"村官"计划。实行大学生村官政策,有利于优化村级班子、健全村级治理,有利于培育新型农民、促进农村经济发展,有利于构筑人才高地、促进人才双向流动,有利于增加就业渠道、缓解就业压力。要不断改进和完善大学生村官政策。

关键词：新农村建设大学生村官村官政策