نتایج جستجو برای: freezers
تعداد نتایج: 204 فیلتر نتایج به سال:
Abstract Given the longevity of investments in energy-consuming products (such as household appliances, vehicles, and properties), underinvestment energy efficiency can have long-lasting negative economic environmental consequences. Previous research has indicated that may be due to imperfect information relation long-term benefits investing efficiency. This paper presents results a cluster ran...
In the present study, due to the high cost of smart metering, the electricity load data of Tehran is decomposed to identify the energy consumption pattern and the energy-saving potentials of households. The present study identifies household consumption in times of low, medium and peak load. To identify the household load curve, the aggregated hourly load data is decomposed and its components a...
Introduction: Chlorofluorocarbons are one of the most important ozone-depleting substances used as coolant gases in refrigerators and freezers in developing countries such as Iran. The objective of this study was to determine the knowledge, attitude, and practice toward the protection of cooling systems and control of ozone-depleting gases emission into the environment among health volunteers i...
Vaccine cold chain equipment (CCE) in developing countries is often exposed to harsh environmental conditions, such as extreme temperatures and humidity, and is subject to many additional challenges, including intermittent power supply, insufficient maintenance capacity, and a scarcity of replacement parts. Together, these challenges lead to high failure rates for refrigerators, potentially dam...
The title of this symposium, “Regulation of Digestive Function in Domestic Livestock,” should stimulate some readers to reflect upon events of a few years ago when fresh meat products were luxuries that were enjoyed once a week or on special occasions. What was the availability of fresh meat in the US. 50 years ago? The answer is that the availability of fresh meat was extremely limited. Public...
Tropical wildlands and their biodiversity will survive in perpetuity only through their integration into human society. One protocol for integration is to explicitly recognize conserved tropical wildlands as wildland gardens. A major way to facilitate the generation of goods and services by a wildland garden is to generate a public-domain Yellow Pages for its organisms. Such a Yellow Pages is p...
OBJECTIVE To collect information on biobanking facilities in low- and middle-income countries (LMICs) as a first step towards establishing an LMIC biobank and cohort building network (BCNet) to support research, with a focus on cancer control. METHOD Sixty centres were identified from sources including cancer centres, universities, hospitals, and public health facilities and invited to partic...
Ammonia is recognised to be the most commonly used refrigerant in industrial systems however it is limited in some applications by its toxicity. R-32 has similar flammability characteristics and a similar pressure-temperature relationship, and through its use as a blend component it has become widely used and readily available. This paper compares and contrasts ammonia and R-32 with specific re...
Vacuum insulated panels (VIP) is an emerging technology that may constitute an alternative to rigid polyurethane (RPU) foam as insulation in refrigerators and freezers. The "skin effect" caused by the aluminum layer in the envelope complicates the evaluation of the global thermal resistance. This article present a new method of VIP characterization. Values of the global thermal resistance obtai...
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