Texas Journal of Engineering and Technology
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487 research outputs found
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Determination Of Phytoncidal Activity Of Plants
Full text linkModern technical means are unable to provide a healthy air environment. On the contrary, indoor air conditioners are often sources of increased microbial contamination. At the same time, volatile secretions of many plants are able to effectively suppress the vital activity of microorganisms. The relevance of the work is to find environmentally safe and effective means of improving the air environment. To do this, it is necessary to study the phytoncidal activity of plants. An experiment was conducted to check which plant species produce more phytoncides. The practical significance of the work is determined by the possibility of using the results obtained to improve the composition of the air around us. Plants with high phytoncidal activity should be used in landscaping of residential premises and urban area
Current Issues of Energy
Full text linkThe article analyzes the estimates of international organizations that due to economic development, the demand for energy will increase by more than 50% by 2030 compared to the beginning of the century, and the total demand will be very high, resulting in a negative impact on the environment
Engineering And Construction Problems in The Field Of Preservation And Protection Of Historical Buildings
Full text linkEngineering and construction problems in the field of protection of historical and ancient buildings are not few and often they are very complex. In the article, the tasks of permanent protection of buildings are aimed at solving in the general situation, various methods of temporary and permanent protection in the restoration practice, issues about the efficiency of building protection works are reflected in the article
Designing And Optimizing Opportunistic Communication Networks
Full text linkThis paper tries to address the challenge of detecting and managing overlay topologies in opportunistic networks. As a first contribution, it introduces the concept of "link" in opportunistic networks, which is different from the traditional perspective in classic MANETs: instead of an instantaneous communication relation between two nodes, links are defined here as the cumulative contacts of nodes over a time interval. This redefinition lets opportunistic networks be modeled as graphs that evolve. A key insight is that this approach enables the regulation of how nodes handle contacts to construct overlays according to a desired topology. That is important because the statistical properties of the overlay topology can form a basis for assessing a network's capacity to disseminate content. The feasibility of the proposed method is shown by a trace-driven simulation using various datasets, which range from dense urban networks to highly sparse environments. These experiments confirm that the approach effectively manages overlay topologies in opportunistic networks
Damage To Brick-Walled Buildings And Effective Ways To Strengthen Brick Structures When Baratarafing Them
Full text linkThis article examines the causes of defects in brick walls, research into the actual operation of structural elements, and improvement of methods for the reliable elimination of cracks, deformations, damage and distortions that arise when assessing their technical conditio
The Main Theoretical Provisions of The Process Destruction of Rocks By The Action Of An Explosion
Full text linkThe mechanism of rock destruction by explosion is generally characterized by the short duration of the application of the load to the destroyed volume of the medium and depends on many factors. Therefore, to date there is no generally accepted theory about the mechanism of rock destruction. Generalization of the existing hypotheses about the physical nature of the explosion action in a solid medium makes it possible to improve the control of the explosion action
Improving the creation of digital cards of nuclear power plants on the basis of MZM
Full text linkIn this article, nuclear power plants are numerical improvement and geospatial mapping based on MZM emphasis is placed on placement issues. Nuclear power plants 1:10000 and 1 within a radius of 30 km of the planned construction area 1: 25000 from drones when updating scale cards The materials obtained were widely used in this data primary and the rest are auxiliary material
Mechanics of Textile Materials Analysis of Their Characteristics and Corrosion Resistance Indicators
Full text linkThe mechanical properties of textile fabrics show their response to various forces. And these forces are different, they can be big or small, and they can act once or repeatedly. During the production and finishing processes of textile yarns, and especially when using them, the structure of yarns changes and their properties gradually deteriorate. This process is called aging of gases. As a result of wear and tear, gases are eroded. If the surface of the gas is completely eroded, the erosion in this case is called general erosion. If the surface of the gas is partially eroded, the erosion in this case is called in situ erosion. General decay completely disables items. This article discusses the mechanical properties of textile materials and their indicators of resistance to decay
Composite Physical - Mechanical Properties Of Bazalt Reinforcement And Comparison With Steel Reinforcement And Inspection For Flammability
Full text linkThis article discusses the effectiveness and scope of steel and composite reinforcement, their advantages and disadvantages, as well as a comparison of their main characteristics. Describes tests to determine the combustibility of basalt reinforcement, in order to determine the possibilities of its application
Results Of A Study On The Chemical Composition, Struсture, Hardness, And Sreep Resistanse Of The Loader Bucket Teeth And Weld-Soated Sheyet Materials Selected For The Experiments
Full text linkThis article presents the results of research carried out by researchers on increasing the resource of loader bucket works. Previous studies have not addressed the issue of welding the bucket teeth of loaders. The main purpose of the study is to develop the method of welding the teeth of the loader bucket, the results of the experiments conducted on the study of the hardness and corrosion resistance of the materials, the parameters of the welding and the composition of the materials of the weldin