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66.274  Articles
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Based on pre data study obtained results that eye lesson biology on class X high school level in particular Theory ecosystem still impressed difficult for students who have accept learning it's on the spot observation researcher, with reason boring, no in... see more

The diatoms are one of the most significant organisms beneficial for biomonitoring investigations. The present study deals with the diatom and water samples collected from 10 different localities in the Thamirabarani River, Southern India. Diatom samples ... see more

With the intention of minimizing operating cost and/or leveling limited production resources, managers of manufacturing firms usually fully assess diverse fabrication alternatives for meeting demand in their decision making processes. This study presents ... see more

The results of theoretical studies of simultaneous transporting  the components of feed mixtures along the curvilinear paths of tubular conveyors are presented in this article. The mathematical model of a technological process of moving a bulk materi... see more

The classical economic order quantity considers that the ordered items are of perfect quality. In this research, a model for the economic order quantity of imperfect quality items is developed, where the incoming lot has fractions of scrap and reworkable ... see more

This paper considers optimization of a multi-product economic production quantity(EPQ) model with scrap items and an improved multi-delivery policy. We extend thework of Chiu et al. (2013a) by incorporating an improved n + 1 multi-delivery planinto their ... see more

The purpose of the work is the need of the theoretical justification and the development of relevant scientific and methodological approaches to the management of the road production quality of machine-building enterprises; it led to the choice of researc... see more

This study is performed to determine some of sperm quality after applying freezing / thawing process. Thus, the aim of this study is to examine different cryprotective agents with additives in terms of their effects at different pH on the cryopreservation... see more

Human activities in the watershed in the upstream of Cileungsi river have tendency to bring high organic materials to the river which determines the aquatic condition of the river. The decreased water quality is event because of the organic materials in t... see more

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