Isolation decomposing bacteria of polycyclic aromatic hydrocarbons (PAHs) from Tashk Lake and examination of salt concentration effect on them

Tashk Lake is located in the protected zone of the Bakhtegan Lake in the Fars Province and is a shelter for wildlife. This place is very important environmentally and ecologically. Among entering pollutants to this lake via rivers and side villages, polycyclic aromatic hydrocarbons (PAHs) compounds are noteworthy which are very harmful to humans and others creatures alike. We used naphthalene and anthracene as the only source of carbon to isolate PAHs degrading bacteria from three predefined stations. We found Pseudomonas sp. as the only PAHs degrading bacterium in the water and sediments of the lake. At the station 1 (Dehzir), the mean isolated bacteria acting on naphthalene and anthrecene were 27 and 23 in each ml of water and 57 and 47 in each gram of sediments, respectively. At the station 2 (Tashk), the mean isolated bacteria were 67 and 57 in each ml of water and 120 and 113 in each gram of the sediments which acted on the two carbon sources respectively. At the station 3 (Gomban), the figures were 127 and 113 for water and 163 and 147 for the sediments respectively

Examining Dimensions and Components and Application of Supply Chain Financing (In Chain Stores)

Purpose: Supply Chain Finance (SCF) is a new approach in financing the working capital of economic enterprises, which can ultimately lead to economic growth and financial stability through efficient and smooth allocation of financial resources, improving financial risk management and increasing financial inclusion. Supply chain financing which runs parallel to the flow of goods and information, is common to all financing networks, and therefore it is important to understand its dimensions. The financing chain provides the cash flow needed to ensure the doors are kept open, the lights are on, employees are paid, and products are produced and shipped. Methodology: To achieve this goal, SCF uses principles that have been effective in supply chain management (SCM) for decades. The core of this financing chain is to create an optimization plan that can simultaneously control all supply chain financial processes. Findings: According to these cases, in this paper, considering the importance of managing the financial flow along the chain and using the principles and basics of research in the method of fact-finding and case study, an effort was made by examining the characteristics, dimensions and components of financing in the supply chain. As well as practical experiences in this field, a conceptual framework for the effective use of the financial flow management system as well as its principles and foundations should be provided. Originality/Value: In this paper, we will examine dimensions and components and application of supply chain financing (in chain stores)

tert-Butyl N-[1-diazo­acetyl-3-(methyl­sulfan­yl)prop­yl]carbamate

In the enanti­omerically pure title compound, C11H19N3O3S, the chain C—N—C(O)—O—C—C (from the asymmetric carbon to a methyl of the tert-butyl group) displays an extended conformation. In the crystal, mol­ecules are linked into chains parallel to the c axis by classical N—H⋯Odiazo­carbon­yl hydrogen bonding and an unusual inter­molecular three-centre inter­action involving the amino acid (aa) carbonyl Oaa and the diazo­carbonyl grouping C(O)—CH—N N, with H⋯Oaa = 2.51 Å and N⋯Oaa = 2.8141 (14) Å

Rast, sastav mesa i krvni pokazatelji kod prve generacije novih hibrida pilića i njihovih križanih roditelja.

A total of 2000 un-sexed day-old chicks of FIRI (Fayoumi male x RIR female), RLH (White Leghorn male x F1 female (Fayoumi male x RIR female) and RLH-G1 (generation one of RLH) chickens were obtained from the hatchery of the Poultry Research Institute, Rawalpindi. The chickens of each crossbred were divided into 5 groups as replicates under a completely randomized design, so that there were 400 chickens in each replicate. The birds were maintained on a deep litter system for a period of 20 weeks. The results showed that the average day-old weight was highest in RLH, intermediate in RLH-G1and lowest in FIRI chickens. The RLH-G1chickens consumed less (P0.05) dressing %age was observed in FIRI (62.60) followed by RLH (62.10) and RLH-G1 (61.98) chickens. The breast and thigh meat composition had a non-significant (P>0.05) difference of all crossbred chickens. There was a non-significant (P>0.05) difference in haematological values between all crossbred chickens. The total erythrocyte number, Hb and packed cell volume (PCV) increased with the advancement of age. However, the erythrocyte sedimentation rate (ESR), mean corpuscular volume (MCV) and mean corpuscular hemoglobin (MCH) values decreased gradually with the advancement of age. It may be concluded that RLH and RLHG1crossbred chickens gained better body weight than FIRI chickens, with lower mortality. The first generation of RLH showed better FCR than RLH and FIRI crossbred chickens.U radu je korišteno ukupno 2000 jednodnevnih pilića, neodređenog spola, dobivenih iz valionice Instituta za istraživanje peradi u Ravalpindiju. S obzirom na roditelje, pilići su imali oznake FIRI (Fayoumi mužjaci x RIR ženke), RLH (mužjaci bijelog leghorna x F1 ženke (Fayoumi mužjaci x RIR ženke) i RLH-G1 (prva generacija RLH). Metodom slučajnog izbora pilići su podijeljeni u 5 skupina po 400 jedinki u svakoj skupini. Tijekom razdoblja od 20 tjedana, primijenjen je sustav držanja pilića na dubokoj prostirci. Rezultati su pokazali da je prosječna masa jednodnevnih pilića najveća u skupini RLH, zatim slijede pilići u RLH-G1, te pilići s najnižom prosječnom masom iz FIRI skupine. Pilići iz RLH-G1 skupine konzumirali su manje (P0,05) opažen je u skupini FIRI (62,60 %) pilića, slijedili su pilići RLH (62,10 %) i RLH-G1 (61,98 %) skupina. Sastav mesa prsa i bataka nije se signifikantno razlikovao (P>0,05) između pilića križanaca. Također, nesignifikantne (P>0,05) razlike između pilića utvrđene su i za sve krvne pokazatelje. Ukupni broj eritrocita, hemoglobin i hematokrit rasli su s porastom dobi pilića, dok su sedimentacija, prosječni volumen i prosječni hemoglobin eritrocita s porastom dobi postupno opadali. Može se zaključiti da su pilići križanci RLH i RLH-G1 skupina imali bolji prirast tjelesne mase u odnosu na piliće FIRI skupine koji su imali manju smrtnost. Prva generacija pilića iz RLH skupine pokazala je bolji FCR prirast nego pilići križanci RLH i FIRI skupina

Rast, sastav mesa i krvni pokazatelji kod prve generacije novih hibrida pilića i njihovih križanih roditelja.

A total of 2000 un-sexed day-old chicks of FIRI (Fayoumi male x RIR female), RLH (White Leghorn male x F1 female (Fayoumi male x RIR female) and RLH-G1 (generation one of RLH) chickens were obtained from the hatchery of the Poultry Research Institute, Rawalpindi. The chickens of each crossbred were divided into 5 groups as replicates under a completely randomized design, so that there were 400 chickens in each replicate. The birds were maintained on a deep litter system for a period of 20 weeks. The results showed that the average day-old weight was highest in RLH, intermediate in RLH-G1and lowest in FIRI chickens. The RLH-G1chickens consumed less (P0.05) dressing %age was observed in FIRI (62.60) followed by RLH (62.10) and RLH-G1 (61.98) chickens. The breast and thigh meat composition had a non-significant (P>0.05) difference of all crossbred chickens. There was a non-significant (P>0.05) difference in haematological values between all crossbred chickens. The total erythrocyte number, Hb and packed cell volume (PCV) increased with the advancement of age. However, the erythrocyte sedimentation rate (ESR), mean corpuscular volume (MCV) and mean corpuscular hemoglobin (MCH) values decreased gradually with the advancement of age. It may be concluded that RLH and RLHG1crossbred chickens gained better body weight than FIRI chickens, with lower mortality. The first generation of RLH showed better FCR than RLH and FIRI crossbred chickens.U radu je korišteno ukupno 2000 jednodnevnih pilića, neodređenog spola, dobivenih iz valionice Instituta za istraživanje peradi u Ravalpindiju. S obzirom na roditelje, pilići su imali oznake FIRI (Fayoumi mužjaci x RIR ženke), RLH (mužjaci bijelog leghorna x F1 ženke (Fayoumi mužjaci x RIR ženke) i RLH-G1 (prva generacija RLH). Metodom slučajnog izbora pilići su podijeljeni u 5 skupina po 400 jedinki u svakoj skupini. Tijekom razdoblja od 20 tjedana, primijenjen je sustav držanja pilića na dubokoj prostirci. Rezultati su pokazali da je prosječna masa jednodnevnih pilića najveća u skupini RLH, zatim slijede pilići u RLH-G1, te pilići s najnižom prosječnom masom iz FIRI skupine. Pilići iz RLH-G1 skupine konzumirali su manje (P0,05) opažen je u skupini FIRI (62,60 %) pilića, slijedili su pilići RLH (62,10 %) i RLH-G1 (61,98 %) skupina. Sastav mesa prsa i bataka nije se signifikantno razlikovao (P>0,05) između pilića križanaca. Također, nesignifikantne (P>0,05) razlike između pilića utvrđene su i za sve krvne pokazatelje. Ukupni broj eritrocita, hemoglobin i hematokrit rasli su s porastom dobi pilića, dok su sedimentacija, prosječni volumen i prosječni hemoglobin eritrocita s porastom dobi postupno opadali. Može se zaključiti da su pilići križanci RLH i RLH-G1 skupina imali bolji prirast tjelesne mase u odnosu na piliće FIRI skupine koji su imali manju smrtnost. Prva generacija pilića iz RLH skupine pokazala je bolji FCR prirast nego pilići križanci RLH i FIRI skupina

Microwave-promoted solvent free one-pot synthesis of triazolo[1,2-a] indazole-triones catalyzed by silica-supported La0.5Ca 0.5CrO3 nanoparticles as a new and reusable perovskite-type oxide

Microwave assisted solvent free synthesis of triazolo[1,2-a]indazole-1,3,8-triones through one-pot three-component reaction of dimedone, phenyl urazole and aromatic aldehydes is presented. The reaction process was catalyzed by La0.5Ca0.5CrO3 and silica-supported La0.5Ca0.5CrO3 nanoparticles as new perovskite-type catalysts. The nano catalyst was studied by XRD, SEM and IR characterization tools. Some advantages of the proposed approach include high yield, being eco-friendly, procedure convenience and reusability of the catalyst.               KEY WORDS: One-pot reaction, Triazolo[1,2-a]indazole trione, Perovskite oxide, Nano catalyst, Microwave, Solvent-free Bull. Chem. Soc. Ethiop. 2018, 32(2), 239-248.DOI: https://dx.doi.org/10.4314/bcse.v32i2.

Application of the Activity-Based Costing Method for Unit-Cost Calculation in a Hospital

BACKGROUND: Choosing an appropriate accounting system for hospital has always been a challenge for hospital managers. Traditional cost system (TCS) causes cost distortions in hospital. Activity-based costing (ABC) method is a new and more effective cost system. OBJECTIVE: This study aimed to compare ABC with TCS method in calculating the unit cost of medical services and to assess its applicability in Kashani Hospital, Shahrekord City, Iran.� METHODS: This cross-sectional study was performed on accounting data of Kashani Hospital in 2013. Data on accounting reports of 2012 and other relevant sources at the end of 2012 were included. To apply ABC method, the hospital was divided into several cost centers and five cost categories were defined: wage, equipment, space, material, and overhead costs. Then activity centers were defined. ABC method was performed into two phases. First, the total costs of cost centers were assigned to activities by using related cost factors. Then the costs of activities were divided to cost objects by using cost drivers. After determining the cost of objects, the cost price of medical services was calculated and compared with those obtained from TCS.� RESULTS: The Kashani Hospital had 81 physicians, 306 nurses, and 328 beds with the mean occupancy rate of 67.4 during 2012. Unit cost of medical services, cost price of occupancy bed per day, and cost per outpatient service were calculated. The total unit costs by ABC and TCS were respectively 187.95 and 137.70 USD, showing 50.34 USD more unit cost by ABC method. ABC method represented more accurate information on the major cost components. CONCLUSION: By utilizing ABC, hospital managers have a valuable accounting system that provides a true insight into the organizational costs of their department

Quasi-3D Hyperbolic Shear Deformation Theory for the Free Vibration Study of Honeycomb Microplates with Graphene Nanoplatelets-Reinforced Epoxy Skins

A novel quasi-3D hyperbolic shear deformation theory (QHSDT) with five unknowns is here employed, together with the Hamilton's principle and the modified couple stress theory (MCST) to analyze the vibrational behavior of rectangular micro-scale sandwich plates resting on a visco-Pasternak foundation. The sandwich structure features a Nomex or Glass phenolic honeycomb core, and two composite face sheets reinforced with graphene nanoplatelets (GPLs). The effective properties of both face sheets are evaluated by means of the Halpin-Tsai and extended rule of mixture (ERM) micromechanical schemes. The governing equations of the problem are derived by applying the Hamilton's principle, whose solutions are determined theoretically according to a classical Navier-type procedure. A parametric study checks for the effect of different material properties, length-scale parameters, foundation parameters and geometrical properties of the honeycomb cells, and the reinforcing GPLs, on the vibration response of the layered structure, which can be of great interest for many modern engineering applications and their optimization design

Carbonic anhydrase inhibitors. Inhibition of human tumor-associated isozymes IX and cytosolic isozymes I and II with some 1,3,4-oxadiazole-thiols.

A series of chiral 1,3,4-oxadiazole-5-thiols incorporating 2-substituted-benzenesulfonamide moieties has been prepared from amino acids, via the ester and carbohydrazide intermediate, followed by cyclization with carbon disulfide. Some of these compounds have been investigated for the inhibition of three physiologically relevant carbonic anhydrase (CA, EC 4.2.1.1) isoforms, the human cytosolic hCA I and II, and the human, transmembrane, tumor-associated isozyme hCA IX. All these compounds showed weak (millimolar) affinity for the three isozymes, except two carbohydrazides and two heterocyclic thiols which selectively inhibited the tumor-associated isozyme with inhibition constants around 10 microM. Such compounds constitute interesting lead molecules for the possible design of CA IX-selective inhibitors