搜索结果: 1-15 共查到“理学 transportation”相关记录23条 . 查询时间(0.109 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Research on Port Cities' Transportation System and Trade Flows in China
中国港口城市 交通系统 贸易流动
2023/5/5
This paper quantitatively investigates the effect of transportation system on trade flows of four major port cities in China. Due to the significant country-pair heterogeneities in both intercept and ...
铁路等关键基础设施对国家战略实施和经济社会发展至关重要。近年来，极端天气事件频发对关键基础设施的安全运营带来了极大的威胁。据公开数据统计，在1981-2016年间，全国范围内共发生约975起降水导致的铁路线路灾害事故。在未来全球增温背景下，极端降水事件的频率将增加、强度将增大，这势必会使得包括铁路在内的基础设施面临更大的安全风险，导致建设和维护费用增加。但是，关于极端降水与铁路灾害风险之间的关系尚...
Geology and Mineral Chemistry of Gold Mineralization in Mirge-Naqshineh Occurrence (Saqez, NW Iran): Implications for Transportation and Precipitation of Gold
gold quartz veins mineral chemistry EPMA Mirge-Naqshineh Iran
2018/4/10
The Mirge-Naqshineh gold district is situated at northwest of Iran with a NW-trending brittle-ductile shear zone. It is hosted by Precambrian meta-sedimentary and meta-volcanic units traversed by mine...
第9届计算交通科学国际研讨会（The 9th International Workshop on Computational Transportation Science,CTS 2017 ）
第9届 计算交通科学 国际研讨会
2017/3/9
第9届计算交通科学国际研讨会（The 9th International Workshop on Computational Transportation Science, CTS 2017）暨中国管理科学与工程学会交通运输管理研究会 2017 年会将于2017年7月14 日-15日在中国兰州举行。本次研讨会由中国管理科学与工程学会主办，兰州交通大学承办。组委会真诚欢迎您及您的课题组成员与会交流，...
Visual Analytics Approach to User-Controlled Transportation Scheduling
Transportation Scheduling Visual Analytics
2015/9/28
We consider the problem of scheduling the transportation of items of diverse categories from
multiple geographically distributed sources to multiple destinations, e.g. evacuation from a
disaster-a...
广东外语外贸大学运筹学英文课件第五章 Transportation Problem。
北京航空航天大学经济管理学院黄海军教授研究组在国际运筹学顶级刊物《Operations Research》和《Transportation Science》发表成果（图）
黄海军教授研究组 国际运筹学 顶级刊物 Operations Research Transportation Science 发表成果
2013/11/14
最近，美国运筹学与管理科学学会（Informs—Institute for Operations Research and Management Sciences）的网站上提前刊登了我院黄海军教授研究组的两项成果，这两项成果将分别发表在该学会拥有的旗舰刊物《Operations Research》和《Transportation Science》上。
Long-range transportation and deposition of chemical substances over the Northern Japan Alps mountainous area
mountain snow chemical components cross-border pollution acid snow anthropogenic contaminants
2017/4/11
The chemical compositions in the snow layers of vertical snow samples collected from six sites in the central mountainous
area, Japan, during early spring 2004 were analyzed to investigate the long-r...
Body Weight Changes of Laboratory Animals during Transportation
Transportation Mice Rats Stress Body Weight Acclimation Period
2016/5/9
The majority of laboratory animals were transported from commercial breeders to a research facility by ground transportation. During the transportation, many biological functions and systems can be af...
Coupling of a Single Diamond Nanocrystal to a Whispering-Gallery Microcavity: Photon Transportation Benefitting from Rayleigh Scattering
Whispering-Gallery Photon Transportation Benefitting Rayleigh Scattering
2011/9/13
We study the Rayleigh scattering induced by a diamond nanocrystal in a whispering-gallery-microcavity–waveguide coupling system, and find that it plays a significant role in the photon transportation....
Chain Reaction of Mountainside Disasters and its Dispersing Impact on the Traffic and Transportation Network
Chain Reaction Dispersing Impact Inner Variable
2011/12/16
There are much mountainous areas in China. Mountainous traffic is greatly different from the plain.Interrelation of mountain landform and the traffic there is analyzed first. Because mountainous traff...
An optimal more-for-less solution to fuzzy transportation problems with mixed constraints
Fuzzy transportation problem Triangular fuzzy number
2010/9/25
A new algorithm based on fuzzy zero point method [14] for finding an optimal more-for-less solution for a fuzzy transportation problem with mixed constraints where the transportation cost, supply and ...
A new algorithm for finding a fuzzy optimal solution for fuzzy transportation problems
Fuzzy transportation problem Trapezoidal fuzzy numbers
2010/9/20
A new algorithm namely, fuzzy zero point method is proposed for finding a fuzzy optimal solution for a fuzzy transportation problem where the transportation cost, supply and demand are trapezoidal fuz...
New method for finding an optimal solution of fully interval integer transportation problems
Interval integer transportation problem Optimal solution
2010/9/26
A new method namely, separation method based on zero point method [9] is proposed for finding an optimal solution for integer transportation problems where transportation cost, supply and demand are i...
Five lectures on optimal transportation: Geometry, regularity and applications
optimal transportation Geometry regularity applications
2010/11/19
In this series of lectures we introduce the Monge-Kantorovich problem of optimally transporting one distribution of mass onto another, where optimality is measured against a cost function c(x,y). Con...