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16.386  Articles
1 of 1.640 pages  |  10  records  |  more records»
The lesson study is a collaborative model of teacher professional development originating in Japan, which has received growing international attention. This multifaceted model can be considered from many points of view. This research aims to understand wh... see more

A study of the speed of sound in a pure water substance is presented here. The IAPWS data on the state of water and steam are applied only for investigating the speed of sound for a one-phase medium. A special numerical model for investigating the paramet... see more

One of the problems of agricultural mechanization is noises caused by the use of machines. The noises should be evaluated due to the negative effects on health and safety level of humans working in this field. However, the purpose of this study is to inve... see more

A theoretical regularity of the general behavior of raw cotton as a porous medium in the technological processes of its mechanical processing is substantiated for the first time. The speed of sound in a porous cotton medium is determined. The effect of ad... see more

During the Middle Ages, communication for defensive purposes between castles and towers was done via visual signs, but an additional, faster and mobile method of communication was needed in order to avoid environmental issues. There is abundant archaeolog... see more

Influence of threads on tool pin and rotational speeds on defect occurrence in friction stir welding (FSW) of aluminum alloy AA 2014 T6 plates has been studied. The effect of FSW forces on the evolution of mechanistic defects, caused in turn through a var... see more

Video lotteries seem to be one of the most profitable games for the gambling industry and are reported as the game of choice for many problem gamblers. Their popularity or, in some cases, their addictiveness, might be related to their structural character... see more

 The speed of sound in water varies depending on the condition. There are several factors that affect the difference in the speed of sound in water, such as the viscosity, temperature, pressure, etc. In this study, designed a tool to measure the spee... see more

Video lotteries seem to be one of the most profitable games for the gambling industry and are reported as the game of choice for many problem gamblers. Their popularity or, in some cases, their addictiveness, might be related to their structural character... see more

1 of 1.640 pages  |  10  records  |  more records»