to identify critical sediment sources in large catchments, using easily available terrain information at a regionalscale, a methodology was developed to obtain a qualitative assessment necessary for environmental management.fargas et al method was employed in the research. the study was carried out in one of the sub-basins of hableh roodbasin called dehnamak in the arid and semiarid climate of ...

The endotracheal tube (eTT) is the most common artificial airway used in NICUs. Suctioning of the eTT is imperative to maintain patency and prevent complications. An extensive review of the literature revealed a lack of standardized criteria or guidelines for suctioning the eTT of neonates and infants in the NICU. The purpose of this article is to report the implementation of an evidencebased g...

1 . Gobien RP , Stanley JH , Schabel SI , et al . The effect of drainage tube size on adequacy of percutaneous abscess drainage . Cardiovasc Intervent Radiol . 1985 ; 8 ( 2 ): 100 102 . 2 . Röthlin MA , Schöb O , Klotz H , Candinas D , Largiadèr F . Percutaneous drainage of abdominal abscesses: are large-bore catheters necessary? Eur J Surg . 1998 ; 164 ( 6 ): 419 424 . 3 . Rahman NM , Maskell ...

The mol-ecule of the title Schiff base compound, C(19)H(16)N(4), has crystallographic twofold rotation symmetry. The imino group is coplanar with the aromatic ring. Within the mol-ecule, the planar units are parallel, but extend in opposite directions from the central methyl-ene bridge. The packing of the mol-ecules is controlled by C-H⋯π inter-actions.

The title mol-ecule, C(16)H(18)Se(2), features a diselenide bridge between two 4-methyl-benzyl units, in which the central C-Se-Se-C torsion angle is 88.1 (3)°, while the two Se-Se-C-C fragments assume gauche conformations, with torsion angles of -51.8 (5) and 59.1 (4)°. The dihedral angle between the benzene rings is 78.9 (2)°.

A dodecanuclear Fe(III) complex, consisting of two {Fe(6)} units coupled across a single hydroxy-bridge and a cage-like Pd(II) trimer were synthesised using the highly branched, pentadecadentate chelating ligand cis,cis-1,3,5-cyclohexanetriamine-N,N,N',N',N'',N''-hexaacetic acid (H(6)hact).

IN THE TITLE COMPOUND [SYSTEMATIC NAME: 3,3'-dimethoxy-2,2'-(ethane-1,2-diyldioxy)dibenzaldehyde], C(18)H(18)O(6), prepared from 1,2-dibromo-ethane and ortho-vanillin in the presence of sodium carbonate, the two vanillin units are linked via a CH(2)-CH(2) bridge. The two benzene rings are inclined at a dihedral angle of 41.6 (5)°.

general kind of encroachment of river is constructing a bridge on it. purpose of encroachment of river is occupation part of river and flood plain for constructing bridge. often being economical of bridge innovation affirmated that most of encroachment take place to river and flood plain, which this encroachment can be in form of embankment in flood plain of river or into the main bed of river ...

Models of landscape evolution or hydrological processes typically depend on the accurate determination of upslope drainage area from digital elevation data, but such calculations can be very computationally demanding when applied to high-resolution topographic data. To overcome this limitation, we propose calculating drainage area in an implicit, iterative manner using linear solvers. The basis...

BACKGROUND Empyema thoracis in children causes significant morbidity. Standard treatment of Empyema thoracis includes tube drainage and antibiotics. But the tube drainage often fails. Intrapleural Streptokinase has been used in empyema thoracis with good success rate. OBJECTIVES We evaluated the efficacy of intra-pleural Streptokinase in management of empyema thoracis even in advanced stages....