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Now showing items 1211-1220 of 1474
Transfer hydrogenation of ketones catalyzed by 1-alkylbenzimidazole ruthenium(II) complexes
(SPRINGER WIEN, 2007)
Six [RuCl2(1-alkylbenzimidazole)(p-cymene)] complexes have been prepared and the new compounds characterized by C, H, N analyses, H-1 NMR, and C-13 NMR. The reduction of ketones to alcohols via transfer hydrogenation was ...
Investigation of the effect of agglomeration time, pH and various salts on the cleaning of Zonguldak bituminous coal by oil agglomeration
(ELSEVIER SCI LTD, 2002)
In this study, the effects of bridging liquid concentration, agglomeration time, pH and various salts on the combustible recovery and ash contents of the agglomerated products have been investigated. Kerosene was used as ...
Sternum Fractures and Effects of Associated Injuries
(GEORG THIEME VERLAG KG, 2009)
Background: Aim of this study was to determine the clinical characteristics, morbidity and mortality in patients with a sternum fracture (SF). Methods: From October 1998 to December 2008, 80 patients with sternal fractures ...
Theoretical study on the ground state intramolecular proton transfer (IPT) and solvation effect in two Schiff bases formed by 2-aminopyridine with 2-hydroxy-1-naphthaldehyde and 2-hydroxy salicylaldehyde
(SPRINGER, 2009)
The tautomerization mechanism the isolated and monohydrated forms of two Schiff bases 1 and 2, and the effect of solvation on the proton transfer from enol-imine form to the keto-enamine form have been investigated using ...
Effect of L-NAME on decreased ileal muscle contractility induced by peritonitis in rats
(W B SAUNDERS CO, 2002)
Background/Purpose: It is now well established that intestinal inflammation is associated with disturbed contractility. The aim of this study was to determine the effects of peritonitis on longitudinal ileum smooth muscle ...
The effect of BOD5 and flow-rate of activated sludge systems on investment and energy costs
(INDERSCIENCE ENTERPRISES LTD, 2005)
In this study of wastewater treatment, the effect of flow-rate, BOD5 and other design parameters (MLSS, mean cell-residence time, etc.) on aeration tank dimensions, investment amount and energy cost has been investigated. ...
A morphometric and histopathologic evaluation of the effects of propolis on alveolar bone loss in experimental periodontitis in rats
(AMER ACAD PERIODONTOLOGY, 2008)
Background: Propolis collected by honeybees from various plant sources is a resinous hive product possessing a broad spectrum of biologic activities. Propolis has been used extensively in the diet to improve health and ...
Late cenozoic stress evolution along the Karasu Valley, SE Turkey
(ELSEVIER SCIENCE BV, 2004)
This study defines the Mio-Pliocene to present-day stress regime acting at the northeastern comer of the eastern Mediterranean region along the Karasu Valley (i.e., the Amanos Range), taking in the Antakya, Osmaniye and ...
Explosive-based anchoring system in cable bolts
(MANEY PUBLISHING, 2003)
This study deals with research work based on a new explosive-based anchorage system for cable bolts. The aim of this system is to apply pre-tension to cable bolts, which is independent of cement mortar. Within the scope ...
A new species of Physoptychis (Brassicaceae) from central Anatolia, Turkey
(BLACKWELL PUBLISHING, 2007)
A new species of Physoptychis Boiss., Physoptychis purpurascens Celik & Akpulat, is described from Turkey. The diagnostic characters and description of the species are given. The new species is restricted to inner Anatolia, ...