نتایج جستجو برای: protection systems

تعداد نتایج: 1344171  

Journal: :Physica Scripta 2022

Abstract The inevitable dissipative interaction of an entangled quantum system with its environment causes degradation in correlations present the system. This can lead to a finite-time disappearance entanglement, which is known as Entanglement Sudden Death (ESD). Here, we consider initially qubit-qutrit and noise leads ESD, propose set local unitary operations, when applied on qubit, qutrit, o...

Journal: :Geosciences 2021

Flexible rockfall protection systems are an effective and efficient remedy against rockfalls with energy levels between 100 up to 10,000 kJ. Although they heavily in use all around the world, backgrounds that guarantee a reliable barrier not well known by most of intervening agents users. This contribution gives some insights on how judge capability, reliability, trustworthiness system. The pap...

Journal: :IEEJ Transactions on Power and Energy 1993

H. Moharrami, M.T. Shahrabi Farahani and H. Shourabi,

Marine structures are one of the most important and susceptible facilities in Iran due to corrosion. The two methods of Cathodic Protection, namely, the cathodic protection with sacrificial anodes and cathodic protection using impressed current, are widely used for corrosion protection. According to the former, sacrificial anodes are installed at several points in the structure. Position of the...

H. Moharrami, M.T. Shahrabi Farahani and H. Shourabi,

Marine structures are one of the most important and susceptible facilities in Iran due to corrosion. The two methods of Cathodic Protection, namely, the cathodic protection with sacrificial anodes and cathodic protection using impressed current, are widely used for corrosion protection. According to the former, sacrificial anodes are installed at several points in the structure. Position of the...

The presentation will focus on the key areas that are essential to build a comprehensive policy towards reducing child injury and fatalities. The presentation will focus on the importance of the public awareness (education on the use of child restraint systems), the need to have an overall road safety programme, law enforcement (mandatory use of protection systems for children in car) and final...

F. Namdari, P. A. Crossley, S. Jamali,

Current differential based wide area protection (WAP) has recently been proposed as a technique to increase the reliability of protection systems. It increases system stability and can prevent large contingencies such as cascading outages and blackouts. This paper describes how power differential protection (PDP) can be used within a WAP and shows that the algorithm operates correctly for a...

The change in the topology of active distribution networks (ADNs) is one of the essential challenges that might affect the protection schemes. The conventional protection schemes based on base topology result in some coordination constraint violations in other topologies due to the outage of upstream substations and distributed generation units. In this article, new combinational and adaptive p...

Journal: :journal of crop protection 2014
hossein maghsoudi saeid minaei

variable rate spray applications using proportional control systems can greatly reduce pesticide use and off-target contamination of environment in orchards. variable rate spraying of the canopy allows growers to apply pesticides only to the target, only use the correct quantity according to canopy size, season and growth stage and to apply plant protection products in an economic and environme...

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