نتایج جستجو برای: convection oven
تعداد نتایج: 30656 فیلتر نتایج به سال:
Salt hydrates are promising candidates for long-term thermochemical heat storage (TCHS) in the building environment. In such systems, surplus of energy will be exploited an endothermic reaction to dehydrate salt hydrates. Once it is demanded, stored released through exothermic by hydrating salt, which results increase mass and temperature particles as well changes species material. order constr...
Phoenix roebelenii is a palm species widely used in Brazil due to its exuberant leaves and adaptability different climatic variations. For proper propagation, detailed information about seed viability, vigor longevity subjected dehydration storage yet be obtained. this purpose, the present research comprised two stages. The first one aimed at evaluating response of seeds desiccation based on fo...
Dill (Anethum graveolens L.) and parsley (Petroselinum crispum Mill.) were dried by using sun and oven (50oC) drying methods. Oven drying decreased the drying time approximately 50% when compared to the sun drying method for both herbs. K, Ca, P, Mg and Na were the most abundant elements in dill and parsley samples. Oven-dried samples had higher mineral values than that of the su...
the fluid flow and heat transfer in lid-driven enclosures filled with cu-water nanofluid is numerically investigated. the moving vertical walls of the enclosure are maintained in a constant temperature, while the horizontal walls are insulated. the hybrid scheme is used to discretize the convection terms and simpler algorithm is adopted to couple the velocity field and pressure in the momentum...
Background and Objective: Inappropriate atmospheric conditions are harmful factors that cause particular problems in certain seasons (summer or winter). The occupation of confectionery in the regions like Ilam causes severe problems due to the heat generated by the nature of the work (synthetic heat-generating processes) and the heat resulting from the climatic conditions in the region. Exposur...
UNLABELLED From 1995 to 2004, in Genoa, Italy, daily concentrations of twelve polycyclic aromatic hydrocarbons (PAHs) were measured in particulate phase (PM10), around a coke oven plant in operation from the 1950s and closed in 2002. The study permitted to identify the coke oven as the main PAH source in Genoa, causing constant exceeding of benzo(a)pyrene (BaP) air quality target (1.0 ng/m3) in...
Background: Drying is the most common way to preserve quality of aromatic and medicinal plants. Chosen drying methods can affect on the essential oil content and composition of medicinal plants. Objective: This study aimed to assess the changes in essential oil constitutes of catnip aerial part under various drying methods. Methods: The experiment was performed as the randomized complete ...
Background: High-frequency electromagnetic field (EMF) is generated by differentsources such as radar installations, radio and television transmitters, medical microwave diathermy device and domestic use of microwave ovens. Radiation leakage of microwave oven may be harmful for users. Kids who are residing near their mothers may expose to electromagnetic field. This study was carrie...
Background: In the recent decade, artificial drying has been one of the most important needs of the pharmaceutical industries. In addition, different drying methods have different effects on the quantity and quality of the essential oils produced from medicinal plants. Objective: The main objective of this study was to evaluate the effects of different drying methods (shade and oven drying a...
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