نتایج جستجو برای: 20oc
تعداد نتایج: 193 فیلتر نتایج به سال:
This work provides an all-digital smart temperature sensor with dual-mode transceiver chipset for wireless body area network (WBAN). The measurement results show that the proposed temperature sensor achieves a maximum temperature error<0.6oC within the range from 20oC to 50oC. And a phase-frequency tunable clock generator (PFTCG) is designed with frequency and phase tuning capability on the fly...
Dynamic viscosity of SiO2/22nm nanofluids prepared in a glycerine-water (30:70 by volume) mixture base liquid, referred to as GW70, is measured experimentally. Nanofluids with concentrations 0.2, 0.6, and 1.0 percent are produced, measurements carried out at temperatures ranging from 20 80 oC using LVDV-2T model Brookfield Viscometer. The particle size elemental composition nanoparticles determ...
Temperature-resolved small angle neutron scattering has been used to study the nucleation, growth kinetics and crystallite morphology in the Y-Fe system. Crystallization from amorphous Y67Fe33 to the YFe2 Laves phase via a novel ‘YFe’ intermediate phase has been followed to completion as a function of temperature from 180oC to 500oC. The SANS results agree well with published kinetic neutron di...
The problems related to groundwater contamination by iron and fluoride is common and serious all over the world, especially in developing countries. Excess amounts of these contaminants have created health problems. For this reason, the maximum permissible limit for iron given by WHO and BIS is 1 mg/l, however 0.3 mg/l is the desirable limit. For fluoride, the desirable limit as per WHO is 0.5-...
Gutting handling was applied to fresh horse mackerel (Trachurus trachurus) to study its effect on rancidity development during the frozen storage (up to 12 months at 20oC). For it, chemical (free fatty acids, FFA; peroxide value, PV; thiobarbituric acid index, TBA-i; fluorescence ratio, FR) and sensory (odour and taste) analyses were carried out. Results showed that gutting treatment of horse m...
Background: Avocado (Persea americana Mill), is a subtropical, evergreen fruit tree belonging to the family Lauraceae. Due unique climacteric nature of fruit, avocado starts ripening immediately after harvest and have poor post life. Since thermal processing has adverse effects on quality, challenging. Methods: slices were subjected quick freezing (-20oC within 30 minutes) pre-treatment with su...
Air Handling Unit is an environmental conditioning unit by controlling temperature, humidity, air movement direction, quality, and particles in the air. AHU has a very important role for pharmaceutical industry, system there are critical parameters that can affect product quality such as temperature so both values must always be maintained accordance with standards set points determined CPOB ...
The construction of plasma reactors and the technological process obtaining water rich in hydrogen characterized by a negative oxidation potential are presented publication. Hydrogen-rich was obtained based on non-plasma technology saturation with gas reactor vessel or glass bottles. We have developed flow that allows for contactless microstructuring modifying properties / aqueous solutions res...
The residual limb within the prosthesis, is often subjected to tensile or fatigue stress with varying temperatures. and temperatures difference which faced by amputee during his daily activities will produces an environmental media for growth of fungi bacteria in addition damage that occurs prosthesis minimizingthe life prosthetic causing disconfirm feeling amputee.
 In this paper, a mecha...
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