A second trans continental Canadian Railway

نویسندگان

چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

The Second Chvatal Closure Can Yield Better Railway Timetables

We investigate the polyhedral structure of the Periodic Event Scheduling Problem (PESP), which is commonly used in periodic railway timetable optimization. This is the first investigation of Chvátal closures and of the Chvátal rank of PESP instances. In most detail, we first provide a PESP instance on only two events, whose Chvátal rank is very large. Second, we identify an instance for which w...

متن کامل

Trans-Canada Slimeways: Slime mould imitates the Canadian transport network

Slime mould Physarum polycephalum builds up sophisticated networks to transport nutrients between distant part of its extended body. The slime mould’s protoplasmic network is optimised for maximum coverage of nutrients yet minimum energy spent on transportation of the intra-cellular material. In laboratory experiments with P. polycephalum we represent Canadian major urban areas with rolled oats...

متن کامل

Variation of radon progeny concentration over a continental location

Background: The variation of the radon progeny concentration in outdoor environment and meteorological parameters at fine resolution were studied for one year at a continental location, National Atmospheric Research Laboratory, Gadanki, India.  Materials and Methods: The concentrations were measured using Alpha Progeny Meter by collecting air samples at a height of 1 m above the Earth&rsqu...

متن کامل

High vowel /i y u/ in canadian and continental French: an analysis for a TTS system

This paper deals with the treatment of high vowels /i y u/ in Canadian French Text-to-Speech system. Among significant differences in the structure of the vowel system, we focused on two aspects in which high vowels behave quite differently in the two dialects of French: 1) the tenseness rule according to which the three vowels are systematically contrasted by the tense/lax feature in Canadian ...

متن کامل

The Canadian Pacific Railway Transforms Operations by Using Models to Develop Its Operating Plans

North American railways have traditionally practiced tonnage-based dispatching, running trains only when they have enough freight. As a result, their customer service and their use of crews, fixed assets, locomotives, and railcars are poor. Canadian Pacific Railway is using new decision-support tools developed in-house and by MultiModal Applied Systems to create a scheduled railway. These tools...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Scottish Geographical Magazine

سال: 1902

ISSN: 0036-9225

DOI: 10.1080/00369220208733388