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[期刊论文] 作者:Kalle Eerikinen,Sauli Valkonen,Timo Saksa,, 来源:Forest Ecosystems 年份:2014
The purpose of the study was to analyse height growth,mortality,and ingrowth of individual small-sized trees in uneven-aged spruce-dominated stands.It was based...
[期刊论文] 作者:Timo Pukkala,Erkki Lhde,Olavi Laiho,, 来源:Forest Ecosystems 年份:2014
Background:Studies on optimal stand management often make simplifications or restrict the choice of treatments,Examples of simplifications are neglecting natura...
[期刊论文] 作者:Olavi Laiho,Timo Pukkala,Erkki Lhde1,, 来源:Forest Ecosystems 年份:2014
Background:Stands having advance regeneration of spruce are logical places to start continuous cover forestry(CCF) in fertile and mesic boreal forests.However,t...
[会议论文] 作者:CHANG Shen,Andre Münch,Timo Hoffmann, 来源:国际道路联盟中国研讨会暨中国公路学会2015年学术年会 年份:2015
In countries all around the world road safety is regarded as a major challenge.In driving reductions in the number of fatalities and injuries, a "Vision Zero" a...
[期刊论文] 作者:Juha YLIMAUNU,Timo PARVIAINEN,Outi JRVINEN,, 来源:Baosteel Technical Research 年份:2010
Stainless steel melting shops of Outokumpu Group are located in Finland,Sweden and England(UK). In all of the countries the European Union legislation is the sa...
[会议论文] 作者:CHANG Shen,Andre Münch,Timo Hoffmann, 来源:国际道路联盟中国研讨会暨中国公路学会2015年学术年会 年份:2015
[期刊论文] 作者:Timo Kuuluvainen,Tuomas Aakala,Gergely Várkonyi,, 来源:Forest Ecosystems 年份:2017
Background: After their death, Scots pine trees can remain standing for decades and sometimes up to 200 years,forming long-lasting and ecologically important st...
[会议论文] 作者:魏巍,戴瑛,黄柏标,Timo Jacob, 来源:第十四届全国太阳能光化学与光催化学术会议 年份:2014
最近的实验研究发现,RuO2/TiO2 异质结结构的催化性能较之RuO2 或TiO2 有较大提高,例如CO 的氧化催化等.但是,RuO2/TiO2 异质结结构的几何结构特征和电子性质以及其催化性能提高的机理还不甚清楚.利用基于密度泛函理论的第一性原理计算方法,我们研究发现界面效......
[期刊论文] 作者:Bin CHENG,Timo VIHMA,Timo PALO,Marcel NICOLAUS,Sebastian GERLAND,Laura RONTU,Jari HAAPALA,Donald PEROVICH, 来源:极地科学进展(英文版) 年份:2021
Snow depth and sea ice thickness were observed applying an ice mass balance buoy (IMB) in the drifting ice station Tara during the International Polar Year in 2007. Detailed in situ observations on meteorological variables and surface fluxe......
[期刊论文] 作者:Timo Heinonen, 夏星晨, 林然然,, 来源:风能 年份:2014
滑环单元是双馈发电机的关键组件之一。环境模拟使得滑环单元可以针对每个不同的场合来进行定制。风电机组设备制造商需要在从沿海地区到高海拔干燥地区等各种不同的环境...
[期刊论文] 作者:Jürgen Gausemeier,Timo Berger,刘耀乙,, 来源:工程设计学报 年份:2006
创新能力对机器制造企业及其相关行业而言是一个突出的成功因素.对这些企业特别重要的是,应从对市场与技术动态发展的系统观察出发,推出多种产品构思及经营构思,并继续跟踪研...
[期刊论文] 作者:熊刚,TIMO R. NYBERG,熊光宇, 来源:计算机工程与应用 年份:2000
文章首先对MRP_II和JIT生产方式进行了对比,分析各自的优缺点,并针对性地提出一种适合于CIMS类企业Push/Pull生产方式.然后,作者详细研究了Push/Pull生产方式下原材料投入的Push...
[期刊论文] 作者:王建伟,赵玉萍,Timo Korhonen,, 来源:电子与信息学报 年份:2009
碰撞问题是影响射频识别(RFID)系统读取效率的关键问题。该文提出了两种新的防碰撞协议——CDCA协议和CDCA-2D协议,并且对两种协议进行了详细的理论分析和优化。新协议将RFID系统的读取过程分为两个阶段,利用第1阶段的碰撞检测信息实现在第2个阶段的无碰撞通信......
[期刊论文] 作者:Abdulbari Bener,Erol Yildirim,Turker Ozkan,Timo Lajunen, 来源:交通运输工程学报(英文版) 年份:2017
Background: A few studies have been conducted to determine the relationship between road motor vehicle crashes (MVC) and serious injuries related to tiredness,...
[期刊论文] 作者:Guangyu Xiong,Xiuqin Shang,Gang Xiong,Timo R.Nyberg, 来源:自动化学报(英文版) 年份:2019
It is important to identify and remove the wastes not only from manufacturing process,but also from non-manufacturing process.In the last several decades,signif...
[期刊论文] 作者:Rita Juma,Timo Pukkala,Sergio de-Miguel,Mbae Muchiri,, 来源:Forest Ecosystems 年份:2014
Background:The minimum set of sub-models for simulating stand dynamics on an individual-tree basis consists of tree-level models for diameter increment and surv...
[期刊论文] 作者:Qizhen SUN,Timo VIHMA,Marius O.JONASSEN,Zhanhai ZHANG, 来源:大气科学进展(英文版) 年份:2020
Weather forecasting in the South Ocean and Antarctica is a challenge above all due to the rarity of observations to be assimilated in numerical weather predicti...
[期刊论文] 作者:Xingji Jin,Timo Pukkala,Fengri Li,Lihu Dong,, 来源:Journal of Forestry Research 年份:2017
Korean pine is one of the most important plantation species in northeast China.Besides timber,it produces edible nuts and plantations sequester carbon dioxide f...
[期刊论文] 作者:YU Jia,Gary Marquis,Timo Bj(o)rk, 来源:城市道桥与防洪 年份:2011
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:Stanislav S.Gornostayev,Eetu-Pekka Heikkinen,Jyrki J.Heino,Timo M.J.Fabritius,, 来源:International Journal of Minerals Metallurgy and Materials 年份:2015
This study investigates the surface of unpolished samples of blast furnace(BF) coke drilled from the tuyere zone, which hosts FeSi particles(mostly Fe3Si) that...
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