Results 141 to 150 of about 1,041 (189)
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Disinfection affairs
Production control is an integral part of managing production risks, complying with sanitary standards, and reducing the harmful effects of production factors on humans and the environment.
Yuliya A. Zakharova +5 more
semanticscholar +1 more source
Production control is an integral part of managing production risks, complying with sanitary standards, and reducing the harmful effects of production factors on humans and the environment.
Yuliya A. Zakharova +5 more
semanticscholar +1 more source
Disinfection affairs
House mice, gray rats and other mouse-like rodents pose a threat to human health and cause significant damage to its activities. Despite significant advances in deratization practice, rodent control currently remains a significant problem, since these ...
V. Y. Komarov, Ekaterina Ig. Vikulina
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House mice, gray rats and other mouse-like rodents pose a threat to human health and cause significant damage to its activities. Despite significant advances in deratization practice, rodent control currently remains a significant problem, since these ...
V. Y. Komarov, Ekaterina Ig. Vikulina
semanticscholar +1 more source
Disinsection and deratization in the foci of plague in the territory of Russia and CIS countries
ПЕСТ-МЕНЕДЖМЕНТ, 2019На территории стран СНГ в настоящее время регистрируют 45 природных очагов чумы, располагающихся в границах зон горных и равнинных степей и полупустынь.
А.Н. Матросов
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Rodent behaviour of importance for the success of deratization
Zbornik radovaThe paper presents recent knowledge about the behaviour of rodents, specifically the brown rat, which is important for effective control measures. Understanding rat behaviour is essential, as they coexist with humans and can cause significant damage to ...
M. Vučinić +3 more
semanticscholar +1 more source
2016
In previous chapters, we discussed the converter with or without fault. The common similarity between them is that they continue to operate without reduction of their nominal specification. In this chapter, uninterrupted operation of a faulty power conversion system with catastrophic damages in some of its parts is investigated.
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In previous chapters, we discussed the converter with or without fault. The common similarity between them is that they continue to operate without reduction of their nominal specification. In this chapter, uninterrupted operation of a faulty power conversion system with catastrophic damages in some of its parts is investigated.
openaire +1 more source
Reliability Parts Derating Guidelines
1982Abstract : Derating can be defined as the practice of limiting electrical, thermal and mechanical stresses on devices to levels below their specified or proven capabilities in order to enhance reliability. If a system is expected to be reliable, one of the major contributing factors must be a conservative design approach incorporating part derating ...
D. C. Towns +3 more
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Power derating for invertor fed induction motors
Proceedings of 1994 IEEE Industry Applications Society Annual Meeting, 2002The aim of this work is to give a contribution to find a simple methodology for defining a power derating index for invertor-fed induction motors. The theoretical and experimental work has put in evidence the possibility of defining a derating coefficient using only no-load tests performed with a sinusoidal square wave and PWM invertor supply.
BOGLIETTI, Aldo, P. FERRARIS, M. LAZZARI
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Creating meaningful derating graphics
2017 Annual Reliability and Maintainability Symposium (RAMS), 2017Derating is the practice of selecting components with sufficient ability to withstand stresses with the intent of increasing the reliability of an electronic system. Derating tables exist within many organizations. They often only include a list of component types and a recommended derating percentage for each applicable stress. For example, capacitors
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Ampacity derating for underground cables
Conference Record, Industrial and Commercial Power Systems Technical Conference, 1988., 2003A simple manual method of utilizing adjustment factors to derate cable ampacities for underground installations is presented. The ampacity adjustment factors reported are obtained based on the Neher McGrath method. Various items that affect ampacities of cables are discussed in practical terms and examples are included to illustrate the method and its ...
F. Shokooh, H.M. Knutson
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Creating a sensible derating system
RAMS '06. Annual Reliability and Maintainability Symposium, 2006., 2006Derating is the intentional reduction of applied stress on a component in order to assure reliability. A series of derating guides have been issued by the U.S. military services as well as other groups. Each guide, by itself, is not complete. Entries in guides are typically "rules of thumb" such as "derate at 70% of maximum power up to 70 degC and then
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