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1
Content available BWTBoat as an innovative solution to the problem of ballast water treament in the light of the ballast convention
100%
Barańska M. , Patil S.
Autobusy : technika, eksploatacja, systemy transportowe
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2017
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tom R. 18, nr 6
59--62, CD
EN
The article discusses the concept of using specialist BWTBoat developed by the Indian Register of Shipping (IRClass) as an innovative solution to the problem of ballast water treatment. The article presents a concept of mobile ballast water treatment boats delivering treated ballast water in reference to the requirements of the International Convention for the Control and Management of Ships' Ballast Water and Sediments (BWMC, adopted under the auspices of International Maritime Organisation in London in 2004), which will come into force on 8 Sep 2017. The article presents the possibility to use BWTBoats as other method of ballast water management.
PL
W artykule omówiona została koncepcja wykorzystania specjalistycznych barek (BWTBoat) opracowana przez Indyjskie Towarzystwo Klasyfikacyjne (IRClass) jako innowacyjne rozwiązanie problemu oczyszczania wód balastowych . Artykuł przedstawia koncepcję mobilnych barek w odniesieniu do wymogów Międzynarodowej Konwencji o Kontroli i Postępowaniu ze Statkowymi Wodami Balastowymi i Osadami (BWMC, przyjętej pod auspicjami Międzynarodowej Organizacji Morskie) w Londynie w 2004r., która wejdzie w życie w dn. 08.09.2017r. Artykuł prezentuje możliwości zastosowania BWTBoats jako innej metody zarządzania wodami balastowymi.
2
Content available remote Duty Cycle Correction Using Negative Feedback Loop
100%
Patil S. , Rudraswamy S. B.
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tom Vol. 55, No 4
577-583
EN
An architecture has been proposed to obtain a duty cycle of nearly 50% for single-ended signals. The main idea is based on the fact that the average DC value of a signal is proportional to its Duty Cycle. So, if we assure that the signal and its inverted counterpart have equal average DC value, that particular signal will have a 50% duty cycle. A feedback circuit is used to compare the average DC values and correct the duty cycle of the signal. The duty correction circuit was implemented in 130nm technology with a power supply of 1.2 V. It was found by simulation that the circuit gives nearly 50% duty cycle at the output for a 500MHz signal when the input duty cycle is varied from 25% to 75%.
3
Content available Multiplicative Zagreb indices and coindices of some derived graphs
100%
Basavanagoud B. , Patil S.
Opuscula Mathematica
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2016
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tom Vol. 36, no. 3
287--299
EN
In this note, we obtain the expressions for multiplicative Zagreb indices and coindices of derived graphs such as a line graph, subdivision graph, vertex-semitotal graph, edge-semitotal graph, total graph and paraline graph.
4
Content available remote Optimization of the EAF process at Cape Gate (PTY) Ltd (Davsteel Division) using goodfellow efsopr technology
80%
Scipolo V. , Khan M. , Patil S. , Holmes G.
Archives of Metallurgy and Materials
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2008
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tom Vol. 53, iss. 2
657-663
EN
Tenova Goodfellow Inc. has developed the Expert Furnace System Optimization Process (EFSOP), which uses real-time analysis of EAF off-gases to dynamically optimize the chemical energy consumption within the electric arc furnace. In April 2006, Tenova Goodfellow installed and commissioned the EFSOPr Holistic OptimizationTM system at Cape Gate (Pty) Ltd (Davsteel) in their 80 ton EAF at Vanderbijlpark, South Africa. Real-time data from the EFSOP system was used to conduct a holistic optimization of the chemical and electrical energy distribution in the furnace. A dynamic closed-loop control of oxygen and methane was implemented in order to better utilize the sensible chemical energy available in the furnace. The charged and injected carbon practices were also modified according to the new furnace working parameters. A new, more effective, electrical program was also implemented following the optimized burner pattern and furnace conditions. As a result the Cape Gate meltshop has benefited significantly through improvements. The benefits have resulted in overall savings in excess of US $2.00/tls. This paper will provide background as to how the EFSOP Holistic Optimization TM technology was applied to achieve these savings at Cape Gate (Pty) Ltd.
PL
W firmie Tenova Goodfellow Inc. opracowano proces pod nazwą Expert Furnace System Optimization Process (EFSOP), który wykorzystuje analizę gazów odlotowych z pieca łukowego w czasie rzeczywistym pozwalając na dynamiczną optymaliza- cję zużycia chemicznej energii w piecu łukowym. W kwietniu 2006 r. Tenova Goodfellow wdrożyła system EFSOPr Holistic OptimizationTM w Cape Gate (Pty) Ltd (Davsteel) w piecu łukowym o pojemności 80 ton w Vanderbijlpark, Południowa Afryka. Dane czasu rzeczywistego z EFSOP zostały użyte do przeprowadzenia holistycznej optymalizacji rozkładu energii chemicznej i elektrycznej pieca. Dynamiczna kontrola tlenu i metanu za pomocą zamkniętej pętli została wprowadzona w celu lepszego wykorzystania chemicznej energii pieca. Zmodyfikowano również sposób ładowania i wdmuchiwania węgla zgodnie z parametrami roboczymi zmodernizowanego pieca. Wprowadzono również nowy wydajniejszy elektryczny program zgodny z optymalizowanym wzorcem palnika i warunkami panującymi w piecu. W wyniku tych prac stalownia Cape Gate osiągnęła dodatkowe korzyści rzędu powyżej $2.00/tonę. W niniejszej pracy przedstawiono zasady wprowadzenia technologii EFSOP Holistic Optimization TM , które pozwoliły na uzyskanie wymienionych oszczędności w zakładach Cape Gate (Pty) Ltd.
5
Bioconversion of 16-dehydropregnenolone acetate to exclusively 4-androstene-3,17-dione by Delftia acidovorans MTCC 3363
80%
Awadhiya P. , Banerjee T. , Patil S.
Polish Journal of Microbiology
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2017
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tom 66
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nr 3
EN
Delftia acidovorans MTCC 3363 was found to convert 16-dehydropregnenolone acetate (16-DPA) exclusively to 4-androstene-3, 17-dione (AD). Addition of 9α-hydroxylase inhibitors was not required for preventing the accumulation of byproducts. The effect of pH, temperature, substrate concentration, surfactants and carrier solvents on this bioconversion has been studied. 16-DPA was maximally converted in buffered medium at pH 7.0, at temperature 30°C and 0.5 mg ml⁻¹ substrate concentration. Detergent addition and temperature above 35°C had deleterious effect on bioconversion. Dioxan was found to be the best carrier solvent for biotransformation of 16-DPA to AD.
6
Coordinating Behavior of a Macrocyclic Amide Ligand towards Lanthanide Ions: Synthesis and Spectral Studies of Lanthanide(III) Complexes with N,N'-Bis(2-hydroxyphenyl)pyridine-2,6-dicarboxamide
70%
Gudasi K. , Shenoy R. , Vadavi R. , Patil S. , Havanur V.
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2006
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tom Vol. 80, nr 3
357-365
EN
Seven coordinate lanthanide(III) complexes with N,N'-bis(2-hydroxyphenyl)- pyridine-2,6-dicarboxamide (BHPPDAH) with the general composition [Ln(BHPPDA)(H2O)2]NO3, where Ln = La(III), Pr(III), Nd(III), Sm(III), Eu(III), Gd(III), Tb(III), Dy(III) and Y(III), have been isolated. The complexes have been characterized based on magnetic susceptibility, conductivity studies, IR, NMR, UV-VIS, EPR and thermal studies. The ligand binds to themetal centre through pyridine and amide nitrogens and doubly deprotonated phenolic oxygens. Biological evaluation of the complexes indicates enhanced activity compared with that of free ligand.
7
Synthesis and Spectroscopic Investigation of Binuclear Copper(II), Cobalt(II), Nickel(II), Manganese(II), Zinc(II) and Cadmium(II) Complexes Derived from N,N'-Bis(2-carboxylphenyl)-2,6-pyridinedicarboxamide
70%
Gudasi K. , Patil S. , Vadavi R. , Shenoy R. , Patil M.
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2006
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tom Vol. 80, nr 2
247-257
EN
A new amide ligand, N,N'-bis(2-carboxylphenyl)-2,6-pyridinedicarboxamide (BCPD), formed by the condensation of 2,6-pyridine dicarbonyldichloride with 2-aminobenzoic acid has been structurally characterized. Binuclear Cu(II), Co(II), Ni(II), Mn(II), Zn(II) and Cd(II) complexes have been synthesized for the first time. Their structures have been elucidated on the basis of elemental analyses, conductance measurement, magnetic moment, spectral (IR,NMR,UV-Vis, EPR and FAB) and thermal studies. Infrared spectra of the complexes indicate the participation of uncharged amide oxygen atoms, pyridine nitrogen and carboxylic acid groups in a chelating bidentate fashion via deprotonation. The studies reveal that both the metal ions are present in an octahedral environment. Non-electrolytic nature of the complexes is evidenced by their low conductance data. X-band EPR spectra of the binuclear Cu(II) and Mn(II) complexes in polycrystalline state at room temperature and liquid nitrogen temperature were recorded and their salient features are reported. Thermal stabilities of the Zn(II) and Cd(II) complexes have been studied.
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