نتایج جستجو برای: depth indicator

تعداد نتایج: 234490  

The momentum equation in the kinematic wave model is a power-law equation with two parameters. These parameters, which relate the discharge to the flow area, are commonly derived using Manning’s equation. In general, the values of these parameters depend on the flow depth except for some special cross sections. In this paper, improved estimates of the kinematic wave parameters for circular chan...

Journal: :civil engineering infrastructures journal 0
alireza vatankhah department of irrigation and reclamation engineering, university college of agriculture and natural resources, university of tehran, said m easa department of civil engineering, ryerson university, toronto, on, canada m5b 2k3

the momentum equation in the kinematic wave model is a power-law equation with two parameters. these parameters, which relate the discharge to the flow area, are commonly derived using manning’s equation. in general, the values of these parameters depend on the flow depth except for some special cross sections. in this paper, improved estimates of the kinematic wave parameters for circular chan...

2014
Marcelo Fernandes Costa Adsson Magalhães

The aim of our study was to investigate whether different circle sizes, in conditions of pure size judgment and in a simple contextual judgment with an interfering depth suggesting background, produce different size perceptions. We used the magnitude estimation to obtain the apparent size of circles under two different experimental conditions: with a neutral black background and with a converge...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...

2014
Zhaogang Wang

The breadth and depth of ESL learners’ vocabulary knowledge and their comprehensive linguistic competence are not well studied in current literatures on vocabulary studies. This paper explores the creditability of depth and breadth of ESL learners’ vocabulary knowledge as an indicator of their overall linguistic competence and the correlation between depth and breadth of ESL learners’ vocabular...

Journal: :European journal of orthodontics 2012
Josef Freudenthaler Ales Celar Mitsuyoshi Kubota Susumu Akimoto Sadao Sato Barbara Schneider

This study evaluated cephalometric differences between 113 Japanese (43 males and 70 females, aged 14.1 ± 5 years) and 106 European subjects (36 males and 70 females, aged 13.5 ± 7.3 years) using two compound angular measurements and their single components: the overbite depth indicator (ODI) for the assessment of vertical skeletal relationships and the antero-posterior dysplasia indicator (APD...

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