نتایج جستجو برای: temperature 25
تعداد نتایج: 786702 فیلتر نتایج به سال:
Our objective was to investigate the effects of floor heating duration (HEAT: 35°c for 12 or 48 h) after birth of first piglet (BFP) under different room temperatures (ROOM: 15°C, 20°C, 25°C) on sows during farrowing and lactation. The study included 8 to 11 repetitions for each combination of ROOM and HEAT. There were no treatment effects on indicators of birth problems (duration of parturitio...
Abstract The solubility of a substance determines how much it will dissolve in particular solvent at given temperature. For most the organic/inorganic compounds such as glucose and sodium chloride, their water increases with However, for polymers poly N-isopropylacrylamide polyethylene oxide, they show lower critical solution temperature (LCST) behaviors decreaseswhen increases. A small molecul...
Based on astrochemical theory, the complex molecular composition around high-mass YSOs should evolve from the outer envelope in toward the central hot region as a sequence of temperature dependent chemical pathways are activated in ices and in the gas-phase. The resulting complex molecules have been broadly classified into three generations dependent on the temperature (<25, >25, and >100 K) re...
attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...
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