We study an actual problem of cleaning of conveyor belts from adhered finely divided materials in the process of operation of belt conveyors. The material remaining on the belts causes numerous problems for the conveyor transport. In the course of time, adhered particles fall into the subconveyor space, thus violating the normal operation of the conveyor. This also leads to rapid failures of the roller supports, excessive abrasion of the working surface of the belt, and hence, to a more rapid wear of the conveyor belt. The procedure of cleaning of the belts enables one to remove the indicated problems. At present, there are various types of available cleaning units. Each of these units has its own advantages and disadvantages. In most cases, this complicates the choice of the required unit. We estimate the efficiency of application of a discrete double-row scraper cleaner of the conveyor belt. Its application increases the degree of cleaning without damaging the surface of the belt due to the presence of a counterbalance clamping attachment.
Gastric cancer is one of actual problems of modern oncology and medicine in general, occupying the 5th place in the structure of cancer morbidity in the world and the 3rd place in the structure of the causes of cancer mortality. By now, significant progress has been made in the diagnosis and development of new methods of treatment of patients with this pathology. In spite of this, problem of the complicated forms of gastric cancer is still very actual. The most frequent complications are bleeding, perforation, stenosis and penetration. It is important to keep in mind that it is not uncommon for gastric cancer to go undiagnosed before a complication develops. Development of complications, in the majority of cases, leads to emergency condition, requiring emergency hospitalization of patients and surgical intervention. The population of patients with complicated gastric cancer is very heterogeneous, and the development of the complication itself is not necessarily associated with an unfavorable prognosis.
Material Flow Cost Accounting allows you to accurately monitor the physical and monetary value of waste, which increases the visibility of environmental costs and gives managers possibility to identify areas of cost savings. The article discusses the general aspects of Material Flow Cost Accounting and a comparative analysis of methods for the evaluation of the cost of irrecoverable waste in Material Flow Cost Accounting and traditional cost accounting. In order to increase the usefulness of the information generated within Material Flow Cost Accounting, it is proposed to use this method in the whole chain of product delivery to the final customer. Material Flow Cost Accounting (MFCA) is a powerful tool for environmental management that can be applied to any organization, regardless of industry. Material Flow Cost Accounting helps companies to increase the transparency of information on technological losses, thus to reduce the level of environmental pollution and increase the efficiency of business running.
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