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Nigar Muhammad currently works at the College of Law and Politics, Salahaddin University - Erbil. Nigar does research in Public Law, G. Their most recent publication is 'The Judicial Review on the Decisions of Imposing Taxes A Comprative Thesis'.
Particle size distributions by laser scatter analysis were compared with other solids settlement performance indicators from trickling filters. Field and laboratory pilot plant data indicated smaller less flocculated solids from trickling filters than activated sludge or rotating biological contractors (RBC). Analysis of utility company treatment p...
The removal of heavy metals from storm and surface waters by slow sand filtration is described. The importance of speciation as a technique for exploring and improving the mechanisms of removal is identified. Laboratory-scale slow sand filters operating at conventional flow rate and depth were shown to be able to reduce concentrations of selected h...
This paper is concerned with the microbiological uptake of heavy metals in slow sand filtration (SSF) and the determination of active biomass by organic nitrogen analysis described herein. The heavy metal accumulation and the total biomass in the schmutzdecke scrapings were determined and compared. The heavy metals were extracted from the sand scra...
Das Chlorpyrimidin (I) wird in Äthanol mit Äthylamin (II) bei 1 l0 - 120°C zum Äthylaminopyrimidin (III) umgesetzt und bei pH 5,0-5,5 mit Pheny1= diazoniumchlorid (IV) zur Azoverbindung (V) kondensiert.
Chlor-3-nitro-pyridin (I) reagiert mit Zucker-Aminen zu den 2-Amino-3-nitropyridinen (II), die zu den Diaminen (III) reduziert und dann in Gegenwart von Eisessig mit Alloxan (IV) zu den Pyrido-pte?dinen (V) kondensiert werden.
Metaboliten von Spermin (Ia) und dem tumorhemmend wirksamen Homologen (Ib) der Struktur (IIa) und (IIb) werden hergestellt.
4,14-Diazaheptadecanedialdehyde (2b), the presumed cytoactive metabolite of the novel experimental antitumor agent N,N′-bis(3-aminoropyl)nonane-1,9-diamine (1b), was synthesized as its dihydrochloride salt and evaluated for in vivo tumor growth inhibition. The same synthetic sequence was also used to prepare 4,9-diazadodecanedialdehyde (2a), the pr...
Amino-6-diphenylmethylthio-purin (I) kann mit Äthyljodid/Kaliumcarbonat in 9-Stellung zu (II) substituiert werden.