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41.517  Articles
1 of 4.153 pages  |  10  records  |  more records»
A critical analysis of the scientific literature shows that, contrary to helical and other springs widely used in practice, slotted cylinder springs have been insufficiently documented to date. Currently, given the under exploited potential of their parti... see more

During the operation of several equipments, there are lots of failure cases in mechanical components subjected to multiaxial stress, where among them stands out the fatigue phenomenon. In this context, this paper presents the failure mode as a life predic... see more

This article analyses the double-acting steam engine designed by Agustín de Betancourt in 1789 and based on the steam engine of James Watt. Its novelty and scientific interest lies in the fact that from the point of view of industrial archaeology and the ... see more

This study aimed at exploring the instructional activities that could support students’ learning of science process skills by using chemistry-based computer simulations and animations. A total of 160 students were randomly selected and 20 teachers were pu... see more

Scientists currently advocate the use of integrated science process skills to perform scientific inquiries in the natural world. In Tanzanian schools, however, the situation leaves a lot to be desired as we consider the poor acquisition of science process... see more

The simplest mechanical system that shows such motion oscillation is a simple pendulum, which consists of a mass suspended from a rope, so that it can swing freely in response to the force of gravity. This teaching material is in the Fundamental Physics s... see more

Misconceptions frequently occur in various physics concepts, including momentum and impulse. Misconceptions in students must be addressed since they can hinder the learning process. This study aimed at investigating students' misconceptions on momentum an... see more

Through analyzing logical defects of Friedrich List’s infant industry theory, this paper obtains two hypothesis. One is that no industry is with single product portfolios, and so it is difficult for the developed countries defeating under-developed count... see more

This paper introduces a new set of compact interactive simulations developed for the constructive learning of computer networks concepts. These simulations, which compose a virtual laboratory implemented as portable Java applets, have been created by comb... see more

1 of 4.153 pages  |  10  records  |  more records»