Results 21 to 30 of about 7,380,874 (310)

Students teach students [PDF]

open access: yes, 2001
Distance learning experiments in mathematics and science education as well as in art education in Japan have initiated considerable increase in creativity of pupils, improvement of scholarship, and growth in understanding cultural characteristics of different regions.
Klaus-D Graf, Kiyoshi Yokochi
openaire   +1 more source

Joint Multi-Pitch Detection Using Harmonic Envelope Estimation for Polyphonic Music Transcription [PDF]

open access: yes, 2011
In this paper, a method for automatic transcription of music signals based on joint multiple-F0 estimation is proposed. As a time-frequency representation, the constant-Q resonator time-frequency image is employed, while a novel noise suppression ...
Emmanouil Benetos   +2 more
core   +3 more sources

GENERATION OF IDF EQUTION CASE STUDY AL- SHUWAIJA WATERSHEDS/(IRAQ-IRAN)

open access: yesWasit Journal of Engineering Sciences, 2023
One of the most useful tools in water resources engineering is the Intensity-Duration-Frequency (IDF) relationship, which may be used in the planning, design, and operation of water resource projects and a wide range of engineering initiatives to ...
Saif Ali   +2 more
doaj   +1 more source

Compact focusing grating couplers for silicon-on-insulator integrated circuits [PDF]

open access: yes, 2007
—We report experimental results on compact and broadband focusing grating couplers, both in silicon-on-insulator (SOI) and gold on SOI. An eight-fold length reduction of the coupling structure from fiber to photonic wire in SOI, as com-pared to a linear ...
Dirk Taillaert   +10 more
core   +2 more sources

Numerical analysis of the impact of fin design and solar radiation on the cooling performance of a power transformer

open access: yesWasit Journal of Engineering Sciences, 2023
In the present work, a three-dimensional model was performed to test a geometry and solar radiation effect on the cooling efficiency of a 250 kilovolt-ampere (kVA) oil-natural-air-natural (ONAN) electrical distribution transformer.
fatima almosawy, Hadi Basher
doaj   +1 more source

Investigation and role of seismic table in dynamic analysis of structural parts [PDF]

open access: yesمهندسی و مدیریت ساخت, 2023
The interaction of the foundation of the seismic table with the soil is effective on its functional accuracy and it affects the accuracy of the results of the tests on the table.
mahdi koushamanesh
doaj  

Adoption of Banana (Musa spp) Production Technology among SmallScale Farmers in Embu West Sub-County, Kenya

open access: yesJournal of Agricultural Extension, 2021
The study examined the effects of adoption of recommended technologies and input application on banana productivity among small-scale farmers in Embu West Sub-County, Kenya.
Dominic Nthukuri Kathuri   +2 more
doaj   +2 more sources

Operation of Monitoring the Cyberspace of the Army of the Islamic Republic of Iran in Hybrid Warfare [PDF]

open access: yesعلوم و فنون نظامی, 2018
Hybrid wars are the wars of the Third World and armed groups, which, due to weakness in many areas, try to combine national capabilities with a view to confronting superior powers. Given the fact that AJA uses cyberspace in data technology and extensive
Rahim Bahari, davod azar
doaj  

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