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| 1 | 基于事件的空中交通管制员情境意识的测量显示文摘目的提出基于事件的空中交通管制员情境意识的测量方法。方法采用少与多航空器条件下的雷达管制模拟任务,综合利用这种新的测量方法、情境意识主观评定、心理负荷评定、飞行冲突数等指标,检验基于事件的情境意识测量方法的敏感性与效度。结果在少与多航空器条件下,被试者对高度请求事件觉察的快慢存在显著差异;在多航空器条件下,该方法测量的情境意识对管制过程中出现的飞行冲突量具有预测作用;在少航空器条件下,该方法测量的情境意识与主观评定测到的情境意识呈负相关,与实时管制负荷评定正相关,但是都不显著。结论基于事件的情境意识测量方法符合主流的情境意识定义,具有良好的敏感性、诊断性和预测效度、无干扰性,但是该方法的构念效度仍需要进一步检验。 | 杨家忠 曾艳 张侃 Esa M.Rantanen | 2008 | 航天医学与医学工程2008,21,4: | 9 |
| 2 | Fatigue of 0.55C-1.72Si Steel with Tempered Martensitic and Carbide-Free Bainitic Microstructures显示文摘High-Si spring steel was heat treated in three different ways:Quenching and tempering at 460 ℃ to obtain a tempered martensite microstructure,and austempering at 300 and 350 ℃,respectively,to obtain two different carbide-free bainitic microstructures.In the steel austempered at 350 ℃,both the bainite lath thickness and retained austenite content were higher than those of the steel austempered at 300 ℃.Rotating-bending fatigue tests were done in order to evaluate the effect of each heat treatment on the high-cycle fatigue behavior of the steel.When the austempering temperature was300 ℃,the endurance limit was increased by 25%despite a 5%reduction in tensile strength when compared with that of the quenched and tempered steel.The relationship between endurance limit[R_(fat)t(50%)]and ultimate tensile strength(R_m)was higher for the austempered samples in comparison with that of the quenched and tempered material.Therefore,it is believed that the presence of retained austenite affects the relationship between endurance limit and tensile strength. | Alejandro Leiro Arash Roshan Karl-Gustaf Sundin Esa Vuorinen Braham Prakash | 2014 | Acta Metallurgica Sinica(English Letters)2014,27,1: | 5 |
| 3 | Applicability of Air Bubbler Lines for Ice Control in Harbours显示文摘Ice formation in the harbours in arctic region such as in Finland is a problem in winter times. The air bubblers are often used for controlling the growth of ice near the harbour pier walls. This paper gives an in-depth description of the harbour ice problem and the applicability of the bubblers. A numerical method of flow and heat-transfer is used to predict the effectiveness of the air bubblers in controlling the ice accumulation in the harbours. Empirical models of formatting and melting the ice are presented and used in the numerical solutions. It shows that the numerical method can realistically predict the ice-melting effect of the air bubblers. | 潘华辰 Esa ERANTIb | 2007 | China Ocean Engineering2007,21,2: | 4 |
| 4 | 热电厂烟气余热回收用于集中供热的系统形式及参数分析显示文摘目前我国燃煤热电厂在能源供应中的比例占到了40%以上,却很少回收大量烟气余热,尤其以供热为目标的余热回收项目更加少见,造成了严重的环境污染和能源浪费.文中对基于直接接触式换热和吸收式热泵技术的烟气余热梯级回收利用系统建立相应的数学模型,提出一种烟气余热回收用于集中供热的方案,探究影响该系统初投资的主要参数,分析了热网回水温度对系统能效的影响及排烟温度对系统供热能力的影响.计算分析表明,当烟气入口温度为80℃时,板式换热器的冷端温差Δt_(c)从5℃降低至2℃,单位回收余热量投资费用P降低13%,表明降低Δt_(c)可降低该系统的初投资;排除外界干扰,在热电工况相同的情况下,随着回水温度由36℃降低到25℃供热等效电W由55.6 kWh/GJ降至50.6 kWh/GJ,系统的能效得到提高;当排烟温度从50℃降低至20℃,系统余热回收能力提高80%. | 王海超 刘哲毅 李骥 Esa Teppo Katja Granlund Illka Haavisto 余力 | 2021 | 东北电力大学学报2021,41,2: | 3 |
| 5 | 结构性植骨修复膝关节翻修术中严重骨缺损的临床效果及相关分析(英文)显示文摘目的探讨同种异体结构性植骨在膝关节翻修术中大块骨缺损中应用的临床效果和意义。方法1994~2001年芬兰坦佩雷大学医院应用单一翻修假体及同种异体骨结构性植骨治疗膝关节置换术大块骨缺损患者10例(膝),男1例,女9例,平均年龄70岁(61—77岁),平均随访5年(1~8年),所有手术均由两名高年资专科医师执行,采取KSS评分评估术前术后膝关节功能。结果最后随访时,患者膝关节KSS评分由术前的平均39分(4~51分)提高至81分(28—102分;P〈0.05);疼痛评分由术前的18分(0—30分)提高至42分(10—50分;P〈0.05)。2例出现假体周围透亮线(〈1mm),但没有任何松动症状;所有结构性植骨均获得满意的愈合,最后随访时没有出现吸收征象,1例患者术后出现膝前疼痛,经髌骨表面置换后症状消失。结论同种异体骨结构性植骨应用在膝关节翻修术中大块骨缺损中可取得满意的临床效果,重建下肢力线、第三代骨水泥技术的应用及有由专科医师实施手术是获得良好临床效果的保证。 | 盛璞义 Esa Jamsen Matti Lehto Yrj T Konttinen Jorma Pajamki Pekka Halonen | 2009 | 中华关节外科杂志(电子版)2009,3,4: | 3 |
| 6 | Computational and Experimental Study of an Industrial Centrifugal Compressor Volute显示文摘A centrifugal compressor with a vaneless diffuser was studied experimentally and numerically. The main target of the study was to analyze the volute flow. Two different volute geometries was studied. The numerical solution was done by using a steady-state RANS code at both design and off-design conditions. Both calculated and measured pressure and velocity distributions are presented. | Harri Pitkanen Haunu Esa Arttu Reunanen Petri Sallinen Jaakko Larjola | 2000 | Journal of Thermal Science2000,9,1: | 3 |
| 7 | Feasibility of Pulse Combustion in Micro Gas Turbines显示文摘In gas turbines, a fast decrease of efficiency appears when the output decreases; the efficiency of a large gas turbine (20…30 MW) is in the order of 40 %, the efficiency of a 30 kW gas turbine with a recuperator is in the order of 25 %, but the efficiency of a very small gas turbine (2…6 kW) in the order of 4…6 % (or 8…12 % with an optimal recuperator). This is mainly a result of the efficiency decrease in kinetic compressors, due to the Reynolds number effect. Losses in decelerating flow in a flow passage are sensitive to the Reynolds number effects. In contrary to the compression, the efficiency of expansion in turbines is not so sensitive to the Reynolds number; very small turbines are made with rather good efficiency because the flow acceleration stabilizes the boundary layer. This study presents a system where the kinetic compressor of a gas turbine is replaced with a pulse combustor. The combustor is filled with a combustible gas mixture, ignited, and the generated high pressure gas is expanded in the turbine. The process is repeated frequently, thus producing a pulsating flow to the turbine; or almost a uniform flow, if several parallel combustors are used and triggered alternately in a proper way. Almost all the compression work is made by the temperature increase from the combustion. This gas turbine type is investigated theoretically and its combustor also experimentally with the conclusion that in a 2 kW power size, the pulse flow gas turbine is not as attractive as expected due to the big size and weight of parallel combustors and due to the efficiency being in the order of 8 % to 10 %. However, in special applications having a very low power demand, below 1000 W, this solution has better properties when compared to the conventional gas turbine and it could be worth of a more detailed investigation. | Juha Honkatukia Esa Saari Timo Knuuttila Jaakko Larjola Jari Backman | 2012 | Journal of Thermal Science2012,21,5: | 2 |
| 8 | 生态风险分析:Saimaa环斑海豹案例显示文摘生态风险分析是在给定条件下估计种群灭绝危险的一种方法。这种估计对于保护一个地区的生物是至关重要的。由于在给定的条件中既含有现实状况也包括一些假设条件,因而就有可能事先估计出可能的管理行为所带来的后果。然而在管理上使用模拟模型有一个问题,就是模型输出的结果取决于所获得信息的准确性。因此除非仔细分析不确定性对结果的影响,否则仅仅依靠模拟模型是有风险的。我们以芬兰东南部Saimaa湖区域内高度濒危的环斑海豹种群为例,报道了生态风险分析的案例研究。水位变化导致洞穴倒塌杀伤幼小海豹和捕猎是降低种群性能的主要因子。研究表明,虽然每个因子单独不会使种群灭绝危险增加到不能容许的水平,但两个因子结合在一起造成的后果恐怕是致命的。 | Esa Ranta Jan Lindstrm Hanna Kokko 汪业勖 | 1996 | 人类环境杂志1996,25,5: | 2 |
| 9 | DNAemico-造纸厂不同生产条件下的经济分析报告系统显示文摘该系统是专门为纸厂研究的全厂范围内的经济指导软件系统。它定位于满足不同阶层管理人员在日常工作中对所需资料的准确提供 ,并确保能相互参考引用。在实际工作中 ,这些不同的原料消耗 (包括预计和和具体到单一批次产品生产 ) ,能够通过不同的组合方式和组成 ,以金融货币的方式表现出来。 | John Fogelholm 文向丰 Esa Hmlinen | 2003 | 黑龙江造纸2003,31,1: | 2 |
| 10 | In-situ SEM observation on fracture behavior of austempered silicon alloyed steel显示文摘Crack initiation, propagation and microfracture processes of austempered high silicon cast steel have been investigated by using an in-situ tensile stage installed inside a scanning electron microscope chamber. It is revealed that micro cracks always nucleate at the yielding near imperfections and the boundary of matrix-inclusions due to the stress concentration. There are four types of crack propagations in the matrix: crack propagates along the boundary of two clusters of bainitic ferrite; crack propagates along the boundary of ferrite-austenite in bainitic ferrite laths; crack propagates into bainitic ferrite laths; crack nucleates and propagates in the high carbon brittle plate shape martensite which is transformed from some blocky retained austenite due to plastic deformation. Based on the observation and analysis of microfracture processes, a schematic diagram of the crack nucleation and propagation process of high silicon cast steel is proposed. | Vuorinen Esa Grahn Jonny | 2009 | China Foundry2009,6,3: | 2 |
| 11 | Nonviral vector-based gene transfection of primary human skeletal myoblasts显示文摘 | Ye L Haider H Kh Esa W B Law P K Zhang W Su L | 2007 | Exp Biol Med ( Maywood)2007,232,: | 1 |
| 12 | Trade-offs between wood production and forest grouse habitats in two regions with distinctive landscapes显示文摘Background:Forest management affects the viability of forest grouse populations,causing alterations to habitat quality.At the regional level,common targets for wood harvesting and safeguarding of specific habitats are negotiated between various stakeholders.Analysing potential trade-offs between forest grouse habitats and wood production in the region could support resource-smart decision making.Methods:In this paper,we compiled trade-off curves represented as production possibility frontiers demonstrating the relationship between forest grouse habitat area and wood removal,using a Finnish forestry dynamics model and the Finnish Multi-Source National Forest Inventory.For the modelling of forest grouse habitats,a landscape-level occurrence model based on nationwide wildlife triangle census data was used.Five alternative forest scenarios in terms of wood removal were compiled for two study areas in Finland representing two different landscape structures.Results and conclusions:Results showed that impacts on forest grouse habitats were case-specific.In the southern study area,increasing the roundwood harvesting rate affected grouse habitats more strongly as forests were already fragmented for other land uses and became more spruce-dominated over time.If the maximum sustainable removal rate was implemented,predicted grouse habitat area was 55%less than in a no-removal scenario.In the eastern study area,a more heavily forested region,the decrease was far lower at 22%.Scenario results were also compared to levels of recorded(business as usual)wood removal and that envisaged by valid regional forestry programmes,and their sustainability in terms of grouse habitat area was discussed.The production possibility frontiers calculated in this study support the evaluation of the loss of suitable habitat caused by different wood harvesting rates,or vice versa,the economic cost of increasing habitat areas. | Helena Haakana Esa Huhta Hannu Hirvelä Tuula Packalen | 2020 | Forest Ecosystems2020,7,2: | 1 |
| 13 | Activation of T-cells by bryostatins:induction of the IL-2 receptor gene transcription and down-modulation of surface receptors显示文摘 | Boto WO Adler WH | 1990 | Int J Immunopharmacol1990,12,5: | 1 |
| 14 | Wavelet analysis of thefirst electricfield pulse of lightning flashes in Sweden 显示文摘 | Esa M R M Ahmad M R Cooray V | 2014 | Atmospheric Research2014,138,3: | 1 |
| 15 | Bryostatins trigger human polymorphonuclear neutrophil and monocyte oxidative metabolism:association with in vitro antineoplastic activity显示文摘 | Warren JT Hess AD | 1995 | Res Immunol1995,146,6: | 1 |
| 16 | New technique for improving performance of LDPC codes in the presence of trapping sets 显示文摘 | Esa Alghonaim Aiman El-Maleh Mohamed Adrian Landolsi | 2008 | EURASIP Journal on Wireless Communications and Networking2008,4,1: | 1 |
| 17 | Successful treatment of murine melanoma with bryostatin 1显示文摘 | Esa AH May S | 1991 | Cancer Res1991,51,2: | 1 |
| 18 | Hydrolytic stability of nucleoside phosphotriesters derived from bis(hydroxymethyl) -1,3-dicarbonyl compounds and their congeners:towards a novel pro-drug strategy for antisense oligonucleotides显示文摘 | Esa Mki Pivi Poijrvi | 2001 | J Chem Soc:Perkin Trans 22001,,: | 1 |
| 19 | Landfill Leachate Treatment byElectrochemical Oxidation显示文摘 | Bashir M J Esa M H Kutty S R | 2009 | Waste Manage2009,29,9: | 1 |
| 20 | Antiobesity effect of Tamarindus indica L. pulp aqueous extract in high-fat diet-induced obese rats显示文摘 | Khairunnuur Azman Zulkhairi Amom Azrina Azlan Norhaizan Esa Rasadah Ali Zamree Shah Khairul Kadir | 2012 | Journal of Natural Medicines2012,,2: | 1 |