Solids Deposition from Wax–Solvent–Water “Waxy” Mixtures Using a Cold Finger Apparatus

2015 ◽  
Vol 29 (2) ◽  
pp. 501-511 ◽  
Author(s):  
Adebola S. Kasumu ◽  
Anil K. Mehrotra
Keyword(s):  
Cold Finger ◽  
Solvent Water ◽  
Solids Deposition

Solids Deposition from Two-Phase Wax–Solvent–Water “Waxy” Mixtures under Turbulent Flow

2013 ◽  
Vol 27 (4) ◽  
pp. 1914-1925 ◽  
Author(s):  
Adebola S. Kasumu ◽  
Anil K. Mehrotra
Keyword(s):  
Turbulent Flow ◽  
Two Phase ◽  
Solvent Water ◽  
Solids Deposition

Investigation of Adsorption Effect of Carbon Monoxide on Coniine: A DFT Study

2021 ◽  
Vol 17 ◽  
Author(s):  
Siyamak Shahab ◽  
Masoome Sheikhi ◽  
Mehrnoosh Khaleghian ◽  
Marina Murashko ◽  
Mahin Ahmadianarog ◽  
...  
Keyword(s):  
Carbon Monoxide ◽  
Gas Phase ◽  
Density Functional ◽  
Energy Gap ◽  
Adsorption Effect ◽  
Chemical Shift Tensors ◽  
Solvent Water ◽  
Donor And Acceptor ◽  
Before And After ◽  
Electron Donor And Acceptor

: For the first time in the present study, the non-bonded interaction of the Coniine (C8H17N) with carbon monoxide (CO) was investigated by density functional theory (DFT/M062X/6-311+G*) in the gas phase and solvent water. The adsorption of the CO over C8H17N was affected on the electronic properties such as EHOMO, ELUMO, the energy gap between LUMO and HOMO, global hardness. Furthermore, chemical shift tensors and natural charge of the C8H17N and complex C8H17N/CO were determined and discussed. According to the natural bond orbital (NBO) results, the molecule C8H17N and CO play as both electron donor and acceptor at the complex C8H17N/CO in the gas phase and solvent water. On the other hand, the charge transfer is occurred between the bonding, antibonding or nonbonding orbitals in two molecules C8H17N and CO. We have also investigated the charge distribution for the complex C8H17N/CO by molecular electrostatic potential (MEP) calculations using the M062X/6-311+G* level of theory. The electronic spectra of the C8H17N and complex C8H17N/CO were calculated by time dependent DFT (TD-DFT) for investigation of the maximum wavelength value of the C8H17N before and after the non-bonded interaction with the CO in the gas phase and solvent water. Therefore, C8H17N can be used as strong absorbers for air purification and reduce environmental pollution.

scholarly journals Crystal structure of 5-{3-[2,6-dimethyl-4-(5-methyl-1,2,4-oxadiazol-3-yl)phenoxy]propyl}-N-(11-hydroxyundecyl)isoxazole-3-carboxamide hemihydrate

2015 ◽  
Vol 71 (5) ◽  
pp. 505-508 ◽  
Author(s):  
K. Salorinne ◽  
T. Lahtinen
Keyword(s):  
Crystal Structure ◽  
Hydroxy Group ◽  
Alkyl Chain ◽  
Ring System ◽  
Amide Bond ◽  
Structural Units ◽  
Isoxazole Ring ◽  
Solvent Water ◽  
Compound C ◽  
Water Hydrogen

The title compound, C29H42N4O5·0.5H2O, comprises four structural units. A flexible propyloxy unit in agaucheconformation, with a –C(H2)—C(H2)—C(H2)—O– torsion angle of −64.32 (18)°, connects an isoxazole ring and an approximately planar phenyloxadiazole ring system [with a maxixmum devation of 0.061 (2) Å], which are oriented almost parallel to one another with a dihedral angle of 10.75 (7)°. Furthermore, a C11-alkyl chain with a terminal hydroxy group links to the 3-position of the isoxazole ringviaan amide bond. In the crystal, a half-occupancy solvent water molecule connects to a neighbouring moleculeviaan intermolecular O—H...O(water) hydrogen bond to the C11-alkyl chain hydroxy group.

Hardness of Domestic Water and Blood Lead Levels

1983 ◽  
Vol 2 (4) ◽  
pp. 645-648 ◽  
Author(s):  
P.C. Elwood ◽  
K.M. Phillips ◽  
N. Lowe ◽  
J.K. Phillips ◽  
C. Toothill
Keyword(s):  
Blood Lead Level ◽  
Lead Level ◽  
Blood Lead ◽  
Hard Water ◽  
Control Area ◽  
Blood Lead Levels ◽  
Domestic Water ◽  
Solvent Water ◽  
Small Rise ◽  
Lead Levels

1 The effect on the blood lead levels of residents in an area in which a soft plumbo-solvent water was hardened is examined. 2 Water lead levels fell after hardening was introduced whereas there was a small rise in water lead levels in a control area monitored over the same time. 3 The blood lead levels of residents fell after hardening and the fall was slightly greater than would have been predicted on the basis of the change in water lead levels. This suggests that lead is less well absorbed from hard water than from soft water. 4 Following hardening there was a significant fall in mean blood lead level of subjects living in houses which had initially had negligible amounts of lead in the water. This suggests that hard water may interfere with the absorption of lead from sources other than water.

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