On the basis of phase diagrams of H3BO3-MgSO4-H2O system at 25 and 100, for separation of mixtures of H3BO3 and MgSO4, technological process of MgSO4H2O crystallization by evaporating above mixtures at high temperature and H3BO3 separation by cooling down the MgSO4 mother liquor with adding raw mixtures at low temperature is presented, the mass balance is also discussed.
Column,and acetonitrile-water-diethylamine(60∶40∶0.3) as the mobile phase,with flow rate of 1.0 ml·min~-1 .The ELSD was used as detector with evaporative temperature of 40℃ and air pressure of 1.7 bar.
Methods: With evaporative light scattering detection (ELSD), a diamonsil C18 (15 cm × 4.6 mm × 5μm) as analytical column, 0.1% TFA as the mobile phase, and a flow rate of 0.5 ml/min, the contents of lysine hydrochloride were analyzed.
Methods:With the use of Evaporative Light Scattering Detector (ELSD), an Allspere ODS-2 (250 mm×4 6 mm , 5 μm ) column as analytical column and methanol-water-glacial acetic acid ( 70∶30∶1 ) as mobile phase, the quantities of jujuboside A and jujuboside B in Spine Date Seed were measured.
The (9,0) band of the \ 2△ 5/2-X2△ 5/2 transition of NiI in the visible region has been studied at high resolution using laser vaporization/reaction supersonic free jet expansion and laser induced fluorescence spectroscopy.
Transfersomes were prepared by reverse phase evaporation method and they were evaluated for shape, size, entrapment efficiency and deformability index.
Acetone solution-casting films of poly(methylmethacrylate) were analyzed by differential scanning calorimetry and pyrolysis gas chromatography-mass spectroscopy under natural evaporation and ultrasonic vibration, respectively.
The model took into account the major processes that address the relationships of plants and the environment, including soil characteristics, precipitation, infiltration, vegetation transpiration, and soil evaporation.
Daily changes in soil water content, transpiration, and evaporation of the Caragana intermedia woodland with different vegetation coverage, slope gradient, and slope aspect were simulated from 1971 to 2000.
The interception of rainfall by vegetation and the subsequent evaporation of intercepted water from the canopy surface play an important role in hydrological processes, and the water and energy balance of forest ecosystems.
Characteristics of the heat and mass transfer in evaporative thermal protection with variation of the external pressure
Modeling the unsteady heat and mass transfer in the vapor outlet channel of a radiative-evaporative thermal protection system
Efficiency of a radiative-evaporative aircraft thermal protection system
The coupled boundary-value problem of nonstationary heat and mass transfer within the outer thermal insulation layer and the vapor outlet channel of a combined radiative-evaporative thermal protection system is formulated.
The dynamics of Bose-condensate generation by a cw atom laser with simultaneous stimulated evaporative cooling in a magnetic trap was analyzed using a quantum-mechanical master equation.