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Journal of Hydrodynamics 2008年第6期20卷 713-718页

作者： WEI Xiu-ling WANG Guo-qiang FENG Su-li College of Mechanical Science and Engineering Jilin University Changchun 130022 China Department of Aeronautic Mechanical Engineering Aviation University of Air force Changchun 130022 China Fundamental Science Department Armor Technique Institute Changchun 130117 China

The external flow field around a certain mining dump truck was simulated. The airflow structure and the aerodynamic drag were discussed, and the relationship between airflow characteristics and aerodynamic drag were obtained. In order to solve the problem of head shape of the truck, three scenarios including edge rounding, installing splitter planes and their combination were put forward to improve the head shape through numerical simulation and analysis. The model and method were selected to be three dimensional and time-independent. The Reynolds-averaged Navier-Stokes equations were solved using the finite volume method. The RNG k-ε model was chosen for the closure of the turbulent quantities. The results show that the third scenario is the best one, because of its aerodynamic characteristics being better than those of unimproved model.

关键词： dump truck external flow field numerical simulation

Database of open-framework aluminophosphate syntheses:introduction and application(Ⅰ)

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Science China Chemistry 2009年第11期52卷 1734-1738页

作者： YAN Yan1,LI JiYang1,QI Miao2,ZHANG Xiao1,YU JiHong1 & XU RuRen1 1 State Key Laboratory of Inorganic Synthesis and Preparative Chemistry,Jilin University,changchun 130012,China 2 Department of Chemistry,Northeast Normal University,changchun 130117,China State Key Laboratory of Inorganic Synthesis and Preparative Chemistry Jilin University Changchun China Department of Chemistry Northeast Normal University Changchun China

The database of open-framework aluminophosphate(AlPO) syntheses has been established,which includes about 1600 synthetic *** analysis has been done on the basis of the framework composition,structure dimension,pore ring,and organic *** database will serve as useful guidance for the rational synthesis of microporous functional materials.

关键词： aluminophosphates open framework synthesis database

Theoretical calculation of the finishing rolling impact work in non-quenched and tempered Si-Mn steel

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Science China(Technological Sciences) 2006年第2期49卷 137-146页

作者： LIU Zhilin1, LIN Cheng1 & WANG Ping2 1. Department of Materials and Chemical Engineering, Liaoning Institute of Technology, Jinzhou 121001, China 2. Mechanical Department, Armor technique Institute of PLA, changchun 130117, China Department of Materials and Chemical Engineering Liaoning Institute of Technology Jinzhou China Mechanical Department Armor technique Institute of PLA Changchun China

Based on the hot-continuous rolling technology, the finishing rolling impact work α k of the non-quenched and tempered Si-Mn steel is theoretically calculated with the covalent electron number nA of the strongest bond in alloying phases, and the smallest interface electron density difference Δρ of alloying phase interface and the number of atom states σ which keep the interface electron density continuous. Calculations show that the solution strengthening, the precipitation strengthening, and the interface strengthening will result in the decrease of the finishing rolling impact work α k, and the effects of the number of atom states σ which keep the interface electron density continuous on the finishing rolling impact work α k are different. Taking the impact work and the number of atom states σ 0 keeping the electron density continuous of the phase interface α-Fe/α-Fe-C between α-Fe and α-Fe-C as reference values, the impact work of the interface will increase when σ of some interface is larger than σ 0; otherwise, the impact will decrease. Therefore, the finishing rolling impact work α k can be calculated with the impact value of the refined α-Fe matrix and the influence amounts caused by the solution strengthening, the precipitation strengthening, the interface strengthening, and the number of atom states σ which keep the interface electron density continuous. The calculated results agree well with the measured ones. In this paper, the effect of S on the impact work is also discussed.

关键词： electron structure parameters, non-quenched and tempered steel, impact work and calculation.

国内中医药院校图书馆网上信息素质教育调查研究——兼与美国DUKE大学医学中心图书馆比较

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图书馆工作与研究 2009年第7期 100-103页

作者：吉聪长春中医药大学图书馆

本文调查分析了当前国内中医药高校图书馆网上信息素质教育的发展现状,结合杜克大学医学中心图书馆等多所美国高校图书馆的经验启示,对信息素质教学模型和教学内容提出构想,并对我国进一步实施网上信息素质教育提出建议。

关键词：图书馆用户教育信息素质教育在线教育中医药院校

Patterns of magpie nest utilization by a nesting raptor community in a secondary forest

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Progress in Natural Science:Materials International 2009年第10期19卷 1253-1259页

作者： Tong Zhou a,Haitao Wang a,c,Yu Liu b,Fumin Lei c,Wei Gaoa,a Key Laboratory of Vegetation Ecology,Ministry of Education,School of Life Sciences,Northeast Normal University,changchun 130024,China b Natural History Museum,Northeast Normal University,changchun 130117,China c Institute of Zoology,Chinese Academy of Sciences,Beijing 100101,China Key Laboratory of Vegetation Ecology Ministry of Education School of Life Sciences Northeast Normal University Changchun 130024 China Institute of Zoology Chinese Academy of Sciences Beijing 100101 China Natural History Museum Northeast Normal University Changchun 130117 China

For a total of 9 years,we examined the patterns of a nesting raptor community that utilized European Magpie(Pica pica) nests in the Zuojia Natural Reserve,northeast *** raptor species and two other bird species were recorded nesting in magpie *** reuse rate of abandoned magpie nests was 51.6%,and the number of reused nests was positively correlated with their *** utilized 83.3% of the reused abandoned magpie *** followed for more than 1 year were reused by raptors an average of 1.13 ***-specific nest usurpation was common,with 17.3% of new magpie nests being usurped by raptors,and four cases of usurpation occurred among different raptor *** the community level,8 of 11 raptor species took over magpie nests to breed in the study area,and 91.9% of their nests came from magpie *** Magpies represent the core species in the nest web of the local raptor community that utilizes magpie *** the forest stand level,closer proximity to forest edges and greater distances from occupied raptor nests were the best predictors of nest *** the nest-site level,arbor density and canopy coverage were the best predictors of nest reuse.

关键词： European Magpie Nest reuse Nest usurpation Raptor community

Progress in Ginseng Protein Study

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Progress in Ginseng Protein Study

经验性及经验的回归与超越——“历验”、“体验”与“经验”的比较辨析

2008 International Conference on Ginseng

作者： ZHAO Yu Center for New Medicine Research of changchun University of Traditional Chinese Medicine changchun 130117 China

＜正＞Although ginseng root has been used for a long time as a component of oriental traditional medicine in China,Japan,and Korea,very little is known about the proteinaceous components. Much attention has been given to saponins in this medicinal ***,tests of other ingredients for their biological activities were so limited that the collation of activity with its

关键词： ginseng protein study progress

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东北师大学报（哲学社会科学版） 2016年第6期 120-128页

作者：李新东北师范大学美术学院吉林长春130117

通过对"历验"、"体验"与"经验"作概念语义的区分,使我们更加清楚地了解到"经验"的种种特征,比如亲历性、时态性、价值性、超越性等等,使我们更加准确地认识和使用"经验"概念。正是从对"历验"与"经验","体验"与"经验"之间的关系的区别使... 详细信息

通过对"历验"、"体验"与"经验"作概念语义的区分,使我们更加清楚地了解到"经验"的种种特征,比如亲历性、时态性、价值性、超越性等等,使我们更加准确地认识和使用"经验"概念。正是从对"历验"与"经验","体验"与"经验"之间的关系的区别使用中,"经验"概念的语用理论化实现了跃进,经验是不脱离感性而趋近理性的"知识",与历验相比,经验总是典型性的;体验与经验相比,有整体性,更有身体性。区分性的分析思维又导致我们看到区分或分析的局限,它有意无意地缩小了对经验概念的运用范围,但经由分析的方法我们很快就开始回归对经验概念的综合考察与整体性认识,发现历验、体验与经验的共性和不可分性。经验概念本身既包含了历验含义、历验过程且富有历验的积极成果,经验性其实是更深层地统辖所有历验过程的更基本的特征。而体验使经验概念获得了整体性,真正使经验变成基础性的东西,向世界开放。由此,我们便可以从经验的认识论进入到经验的生活论与实践论。

关键词：经验历验体验经验性认识论实践论

An neutron generator-based NIPGA system for on-site analysis

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Nuclear Science and Techniques 2010年第1期21卷 63-64页

作者： JIA Fuquan1,2 GU Deshan1 CHENG Daowen1 LIU Linmao1,ZHU Qibo3 WANG Jishan3 (1 Radiation Technology Institute,Northeast Normal University,changchun 130117,China 2 Department of Basic Science,Jilin Institute of Architecture and Civil Engineering,changchun 130021,China 3 Dehui Xinyu Cement Co.,Ltd,Dehui 130300,China) Radiation Technology Institute Northeast Normal University Dehui Xinyu Cement Co.Ltd

Utilizing NIPGA,an experimental device for cement raw material analysis has been developed,with a 2.5 MeV D-D neutron generator,BGO detector and 2048 MCA.A linear regression was developed for calculating the data.A 6-month on-site application of the system showed that the CaO,SiO2,Fe2O3 and Al2O3 analysis results agreed well with chemical analysis,within 0.40%,0.40%,0.50% and 0.50%,respectively.

关键词：中子发生器系统 BGO探测器 Al2O3 Fe2O3 原料分析实验装置回归计算

Measurement of Deep Energy Level in InP: Fe by the Method of OTCS

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Semiconductor Photonics and Technology 1998年第2期4卷 78-83页

作者： SHAO Limei (Jilin Polytechnic University, changchun 130022, CHN) YANG Wei YANG Ming YAN Ruhui (Technology Academy of Armor Force of P. L. A., changchun 130117, CHN )

We have measured the deep energy level of the InP: Fe which is semi -insulator through the method of OTCS. The effect of light intensity on OTCS measurement is mainly discussed. There are electron trap of E_T =0.34 eV and hole trap of E_T = 1.13 eV in InP: Fe under the strong light and low temperature. The location of the OTCS peak of electron trap (E_T = 0.34 eV) moves towards the direction of high temperaturer, when the light intensity was increased, E_T is different under different light intensity. It is corrected in terms of theory that the stuff ratio of the deep energy level is affected by the light intensity. The experiments show that the error is decreased greatly with the correction.

关键词： Impurity Level Measurement Optical Transient Current Spectroscopy Semiconductor Materials