Energy Balance Analysis—An Impact of Temperature Variation in Unified Hydrogen Based Opto-Source

In the paper it is noted that the even distribution of seed and granules of mineral fertilizers inside the soil allows increasing their efficiency and obtaining a potential crop yield. For an even distribution of seeds of grain crops, herbs and fertilizer granules inside the soil, the use of a universal conical scatterer is proposed. The purpose of the study is to substantiate the parameters of a universal conical scatterer, which ensures an even distribution of metered bulk and hard-flowing materials, in particular, seed and granules of mineral fertilizers inside the soil. The results of studies of the conical scatterer of an opener allow to establish that to obtain an even distribution of materials in the direction transverse to the translational speed it is necessary to cut an elliptical section of the scatterer. The cutting plane should be perpendicularto the translational speed (movement direction) at an angle between it and the central axis of the cone, lower than Π 2. The optimal parameters of the conical scatterer are calculated on the basis of the evenness of the particle descending along the conegeneratrix. The revealed dependence of the particle falling time on the initial dimensions of the scatterer made it possible to establish its optimal parameters: the height of the cut-section 6-14 mm; the cone base diameter 100-140 mm. The universal conical scatterer can be used in any industry that requires even scattering of metered bulk and hard-flowing materials.

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Substantiation of the Parameters of Universal Scatterer for Bulk Materials

Nukeshev

Eskhozhin

Mamyrbayeva

et al. 2020

j comput theor nanosci

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A Proposed Model for Trust Management: Insights from a Simulation Study in the Context of Cloud Computing

Mamidisetti

Makala

2020

j comput theor nanosci

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In computing systems, one of the centric topics entails cloud computing. This dominance is attributed to the crucial role that the concept plays in the daily lives of individuals, especially in the wake of the increasing adoption of technology by individuals and organizations. Indeed, the motivation behind the establishment, adoption, and implementation of cloud computing has been attributed to the need to offer low-cost and quick consumer service provision, as well as data manipulation and storage. However, the cloud environment continues to face security threats, a trend that informs the need for further investigations and analyses that could provide room for new system improvements. The current simulation study presents a dynamic model for security management in a cloud computing environment, with the central parameter involving electronic trust. Imperatively the proposed study examines interactions between the data provider and the data owner, as well as the end user. Specifically, the proposed model is that which ensures that for authentication purposes and access permissions, there is a continuous update of trust values. From the results, the model is flexible relative to the provision of dynamic access control, a positive trend that points to its promising level of efficiency.

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Morning Walking and Sleep Disorders in the Elderly

Astana

Sriyono

Haryanto

2020

j comput theor nanosci

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One of the main aspects of improving health for the elderly is the maintenance of sleep to ensure recovery of bodily functions to an optimal functional level. The elderly will experience physical, psychosocial and spiritual changes with age. One of those changes is the change in sleep quality. Changes in sleep quality is one of the problems caused by the degeneration process in the elderly. Determining the effect of morning walking on the latency and duration of sleep in the elderly. This type of research is a “pre-experiment” research with one group pre-post-test design research design. A total of 20 study subjects carried out walking interventions in the morning as far as 1,800 meters. Before the intervention is pre-tested, then the walking exercise intervention was carried out 5 times a week in the range of 07.00 am-08.00 am. It was observed and accompanied by researchers together with the research team. The intervention was carried out for 2 weeks and continued with a post-test given to respondents to determine the latency and duration of sleep by asking respondents to return the questionnaire filled out by researchers. The results of the latency variable before the intervention were dominated by less categories i.e., 50% but after the intervention the good category increased by 25% the statistical test results showed a p value of 0.001. Sleep duration which was initially dominated by bad category, after intervention the good category became 10% and has a p value of 0.002. Morning walking exercise influences the latency and duration of sleep in the elderly.

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Energy Balance Analysis—An Impact of Temperature Variation in Unified Hydrogen Based Opto-Source

Cited by 57 publications

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Substantiation of the Parameters of Universal Scatterer for Bulk Materials

Substantiation of the Parameters of Universal Scatterer for Bulk Materials

A Proposed Model for Trust Management: Insights from a Simulation Study in the Context of Cloud Computing

Morning Walking and Sleep Disorders in the Elderly

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