Güncel Gönderiler: Makale Koleksiyonu
Toplam kayıt 791, listelenen: 521-540
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Bradykinin receptors in isolated rat duodenum
(1990)Pharmacological properties of the bradykinin receptors in the isolated rat duodenum were investigated by examining the relaxant and contractile responses to bradykinin and [des-Arg9]-bradykinin, an agonist of B1 receptors. ... -
Internal auditing in the turkish banking sector
(1989)The origins of modern commercial banking in Turkey are closely interwoven with the problems of public finance in the 1840s. The first paper note issue of 1840 produced instability in the foreign exchange markets. So, in ... -
Epoxidation of Styrene with Aqueous Hypochlorite Catalyzed by a Manganese (III) Porphyrin Bound to Colloidal Anion-Exchange Particles
(1991)Epoxidation of styrene in aqueous sodium hypochlorite solution was catalyzed by the tetrasodium salt of 5,10,15,20-tetrakis(2,6-dichloro-3-sulfonatophenyl)porphinatomanganese(III) chloride (1). Manganese porphyrin 1 was ... -
Designing instructional materials with desktop publishing software: The effect of white-space variations on learning
(1992)As more and more people gain access to personal computers and powerful desktop-publishing software, many teachers and trainers are producing their own instructional materials using desktop publishing. The new desktop-publishing ... -
Alkaloids and a lignan from Aristolochia ponticum
(1991)A methanolic extract of the roots of Aristolochia ponticum has yielded two aristolochic acid derivatives, three aristolactams and a 2,3,4,5-substituted furan lignan. The known compounds aristolochic acid I, aristolochic ... -
Froth washing technology in mechanical flotation machines
(1992)This paper concentrates on the five recent plant trials/applications of froth washing in mechanical flotation cells in North America. Increased froth cleaning yielded better upgrading and some cases slightly improved ... -
Studies on the extraction of Pinus brutia bark using the Gulbaran extractor-diffuser
(1990)In this study, extraction of Pinus brutia bark is performed using a new extractor-diffuser system. This new extraction system uses a moving bed of bark which is continuously washed with fresh solvent sprayed from mobile ... -
Studies on the synthesis of some 2-(1',3'-benzodioxol-5'yl)-benzimidazole, benzothiazole and benzoxazole derivatives
(1991)[No abstract available] -
A-type proanthocyanidins from Prunus spinosa
(1991)The range of natural dimeric A-type proanthocyanidins is extended by identification of ent-epicatechin-(4? › 8; 2? › O › 7)-catechin and ent-epiafzelechin-(4? › 8;2? › O › 7)-epicatechin. They are accompanied in the flowers ... -
Aristolochic acids and aristolactams from Aristolochia auricularia
(1991)A methanolic extract of the roots of Aristolochia auricularia was found to contain seven known compounds, aristolochic acids I, II, III and IV and aristolactams I, II and III. In addition, four novel compounds, the methyl ... -
Prediction of ripping machine performance in terms of rockmass properties
(1991)The rockmass parameters that affect the productivity of tractor mounted ripping are briefly reviewed. The results of a number of field ripping trials in a variety of sedimentary rocks on the Western Lignite opencast mines ... -
Essential oil composition of four Origanum vulgare subspecies of Anatolian origin
(1993)Essential oil composition of four subspecies of Origanum vulgare L. (Labiatae, Sect. Majorana); subsp. hirtum (Link) Ietswaart, subsp. gracile (C. Koch) Ietswaart, subsp. vulgare and subsp. viride (Boiss.) Hayek growing ... -
Composition of the essential oils of Turkish Origanum species with commercial importance
(1993)In Turkey Origanum is represented by 23 species comprising 31 taxa. Commercially important Origanum species include O. onites, O. majorana, O. minutiflorum, O. vulgare and O. syriacum. These species are annually exported ... -
Comments on optimal due-date determination and sequencing of n jobs on a single machine
(1993)[No abstract available] -
Essential oil of Micromeria fruticosa (L.) Druce subsp. barbata (Boiss & Kotschy) P. H. Davis of Turkish origin
(1993)The essential oil of Mecromeria fruticosa subsp. barbata of Turkish origin was studied by GC and GC/MS. Thirty-six compounds were identified with pulegone (81.29%) being in most abundance. -
Ferrochromium fly ash used as a pigment in ceramic glaze
(American Ceramic Soc, Westerville, OH, United States, 1994)The coloring capability of the ferrochromium fly ash is effective up to 15 wt%. The use of ferrochromium fly ash in small amounts to color ceramic glazes seems to be applicable to industrial practice, because some of the ... -
Proper selection of kiln furniture
(American Ceramic Soc, Westerville, OH, United States, 1995)Kiln furniture technology has a critical and measurable effect on the overall performance of a kiln's firing process and its operating costs. Used for decades, the technology has undergone simple changes on furniture ...