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            Prof. Dr. ISMAIL YILDIRIM

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Past Issue

An experimental investigation of machining parameters for EDM using copper electrode of aisi p20 tool steel

Author: 
Lalta Prasad and Anshika Gupta
Abstract: 

In this investigation, an optimization approach is used for the estimation of maximum material removal rate and minimal surface integrity of surface created in electrical discharge machining (EDM). The significant input parameters such as pulse current (Ip), pulse duration (Ton), discharge voltage (V) and spark off time (Toff) are considered, and material removal rate, tool wear rate and surface roughness have been considered as responses for this study. Nine experiments were conducted on American Iron and Steel Institute (AISI) P20 tool steel work piece materials based on design. Analysis of variance is used to find the percentage contribution of the input parameters and found that the Ip was the most influencing parameter followed by Ton and voltage in EDM of P20 tool steel. All the experimental results predicted by MINITAB 15 software.

Recent and past floods in Kashmir: causes and consequences with special reference to Srinagar city

Author: 
S. Shakeel and T. A. Mayer
Abstract: 

Floods are common in Kashmir valley due to its physiographic disposition but the kind and devastation caused by them against the human life and property needs immediate attention. The present paper highlights the causes, consequences of floods and aimed to provide inventory in the identification of the priority areas which needs certain conservative and preventive measures for curbing the manace in Kashmir valley in general and Srinagar city in particular.

The some parameters of full 9 stepped cycle of proton conductance and the quantity of hydrogen, carbon, oxygen atoms in donator molecules

Author: 
Ambaga, M.
Abstract: 

We revealed the following lawfull relationship existed between the full 9 stepped cycle of proton conductance inside human body and CxHyOz + (x + y/4 - z/2) O2 → x CO2 + (y/2) H2O formula: The quantity of the released CO2 in the 2-th stage of the full 9 stepped cycle of proton conductance inside human body is equal to Cx existed in the donator molecules as CxHyOz. The quantity of the O2 participated in the 7-th stage of the full 9 stepped cycle of proton conductance inside human body directed to the formation of metabolic water in the mitochondrian matrix as oxidation of proton by molecular oxygens i.e, protonatized by matrix proton is existed in close dependence with the quantity of CxHy in reverse dependence with the quantity Oz contained in the donator molecules as CxHyOz. The quantity of the metabolic H2O formed by oxidation of proton by molecular oxygens and by protonation of molecular oxygen by matrix proton in the 7- th stage of the full 9 stepped cycle of proton conductance inside human is existed in close dependence with the quantity of Hy contained in the donator molecules as CxHyOz.. The quantity of the CO2 entered from all cells and excaleted from body through alveoli (the release carbon dioxide during exhalation) in the 9- th stage of the full 9 stepped cycle of proton conductance inside human body is existed in close correlation with Cx existed in the donator molecules as CxHyOz. The quantity of the diffused protons from mitochondrial matrix of all cells and metabolic water entered to plasma membrane of red blood cells with participation of aquaporin protein channels is existed in close dependence with the quantity of Hy contained in the donator molecules as CxHyOz. The quantity of protons combined with hemoglobin (generation of HbH) which promotes the release of oxygen from hemoglobin, oxygen diffusion to all cells conditioning the release of proton, electron from food substrates in the 9-th stage of the full 9 stepped cycle of proton conductance inside human body is existed in close dependence with the quantity of Hy contained in the donator molecules as CxHyOz.

Socio-economic impacts of apparel industries in Bangladesh

Author: 
Kamrul Hasan, Nasrin Ferdous and Reashad Bin Kabir
Abstract: 

The Textile and Clothing Sector in Bangladesh is by far the main and most important industry with 85.9% of all exports. Very low wages and trade deals with Western countries have helped make Bangladesh the world's second-largest garment exporter after China, with 60% of its clothes going to Europe and 23% to the US. The Ready Made Garment and Apparel Industries has a more excellent potential than whatever available part as far as other employments and foreign trade profit to diminish state of extreme poverty and make a commitment to the social and the national economy. Minimum Wage Context Living Wage Bangladesh 5,300 taka a month (68 USD; 54 EUR).It is estimated that workers have to spend 25,687 taka is the living Wage calculated by this is below the average in Asia. However working conditions in this imperative division are poor, which impacts directly on the Social and Economic condition of the country. One of the biggest challenges currently faced by our Bangladesh's RMG factories to ensure Workplace safety and better Working Condition for the millions of garments workers.. That is, they don't conform to labor rehearses that guarantee the social welfare of their workers. This article surveys the literature review on working conditions in Bangladesh's Ready Made Garment and Worker personal interview which located in center of Dhaka. In order to find out an in-depth study of the respondent worker through interview process and data collection method was implemented in addition to this, quantitative result was examined intended for attaining superior outcome.

Evaluation of the opportunities of the business processes reengineering application as an approach for improvement of the competitiveness

Author: 
Almalki Sultan Musaad, O. and Zhang Zhuo
Abstract: 

This research aims at studying the evaluation of opportunities of applying the process reengineering approach to improve the competitiveness in the pharmaceutical companies in Jeddah. This approach is based on main rethinking and radical redesign of business processes to achieve dramatic improvements in the known measures of performance, then to transmit to the thinking based on the business processes, which includes a change in thought and practices. The researcher came to a result throughout his research and testing of the research hypotheses that it is possible to apply this contemporary administrative approach throughout the senior management approval and support of this approach at the companies in question, the availability of adequate human resources for that, availability of the advanced Information Technology, particularly the information systems of the business processes, the acknowledgment of the necessity of changing the systems and techniques applicable in the business processes at the companies in question, the necessary of awareness of the officers in charge and employees at the companies in question of the importance of this change and the importance of preparation of new systems and developing them for the business processes management at the companies in question.

Haemocyte count in silkworm bombyx mori l.: a comparative study in different multivoltine races

Author: 
Yojana S. Munivand Ganesh P.Bhawane
Abstract: 

The total and differential haemocyte counts were carried out in three different multivoltine races of BombyxmoriL. from 4th moult day upto the last day of 5th instar larvae. Total haemocyte count was found more at 5th day of 5th instar larvae in all the races under study but the more count was found in Nistari race (13785.50 ± 470.23) than Pure mysore (10713.50 ± 1723.22) and Kolar gold (10048.50 ± 246.78). In differential count seven types of haemocytes were found viz., Prohaemocyte (PR), Granulocyte (GR), Spherulocyte (SP), Plasmatocyte (PL), Adipohaemocyte (AD), Coagulocyte (CO) and Oenocytoid (OE). In Pure mysore high Adipohaemocyte and Coagulocyte count were observed; Nistari having high count of Prohaemocyte, while Kolar gold having high Plasmatocyte, Spherulocyte, oenocytoid and Granulocyte count.

DNA binding, DNA cleavage and antibacterial activity of NI(II) and CU(II) complexes derived from pyridoxal thiosemicarbazone

Author: 
Saritha Aduri, Ch. Venkata Ramana Reddy and Sireesha, B.
Abstract: 

Ni(II) and Cu(II) complexes of Pyridoxal thiosemicarbazone (PLTSC) have been synthesized and characterized by ESI-MS, FTIR and UV-Vis spectral studies, elemental analyses, molar conductance, magnetic susceptibility measurements and thermal analysis. The spectral and analytical data suggest the tridentate nature of the ligand and formation of complexes in octahedral geometry. DNA-binding properties of these metal complexes with CT-DNA in a potassium phosphate buffer (pH 7.2) were investigated using UV-Vis absorption spectroscopy, fluorescence spectroscopy and viscosity measurements. Experimental studies suggest good DNA binding ability of the complexes. The cleavage of plasmid pBR322 DNA without any additives was evaluated using agarose gel electrophoresis and the complexes showed significant nuclease activity. The metal complexes are also screened for in vitro antibacterial activity and exhibited moderate activity against the tested organisms.

Influence of product attributes on purchase decision of modular kitchen in Chennai city

Author: 
Gomathy, M. and Sabarirajan, K.K.
Abstract: 

In the present scenario, the fierce competition has made the modular kitchen industry market very insecure. This paper tried to detect influence of product attributes in modular kitchen industry market in Chennai. The purpose of this study is to investigate the product attribute influence on the consumer decision of buying modular kitchen. In order to accomplish the objectives of the study, a sample of 130 consumers were taken by using convenience sampling technique. The study indicates that consumer give due consideration on product attributes while making purchase of modular kitchen. The descriptive statistics used to analyze the data. The result indicates that the product attributes makes significant difference on the customer preferences and influence purchase of modular kitchen.

Normal haemocytological and serum biochemical profile of Catla catla (Hamilton, 1822) as a diagnostic tool in aquaculture

Author: 
Gayatri Acharya and Prafulla K. Mohanty
Abstract: 

The aim of the present study was to obtain a baseline data on the blood cell size, morphology, differential leucocyte count, haematological parameters of and biochemical parameters in Catla catla since there is a limited information in the published literature. Blood samples were collected from the caudal vein of apparently healthy fish (male: n=15 and female: n=15) were collected. Haematological and biochemical values of the blood samples were determined using standard techniques. The morphological features of blood cells were described according to observations made by light microscopy. The various types of blood cells measurement were carried out with the help of Microscope Eyepiece Digital Camera and computer. From microscopic observation blood cells such as erythrocytes, five types of leucocytes: lymphocytes, monocytes, heterophils, neutrophil and eosinophils, were distinguished and characterised. Statistical analysis revealed haemoglobin, PCV (p<0.001), lymphocytes , heterophils (p<0.05) and cell morphometry except heterophil in Catla catla were significantly influenced by sex.

Effect of aqueous extract of Eclipta alba on cadmium chloride induced hypertension in Wistar albino rats

Author: 
*Dr. Ritu Yadav, Dr. Jai Prakash Singh, Dr. Ajay Kumar Sahu and Gaurav Sharma
Abstract: 

Objective: Hypertension is asymptomatic in nature but produces dreadful effects on the body. The causes, so also the drugs are many & usually the treatment is lifelong. Hence research is going on to find out a suitable & safe drug. Aqueous extract of Eclipta alba has been taken to see the antihypertensive effect.
Material and Methods: In the study firstly the hypertension was induced in group 1,2,3,4 by giving CdCl2 1mg/kg i.p for 15 days. After that group1 was given normal saline, group 2 and 3 was given aqueous extract of Eclipta alba at dose 100mg/kg and 200mg/kg twice a day respectively, group 4 was given amlodipine 1mg/kg O.D, The B.P. was measured on day 0th , 15 th , 30 th ,45 th day by non-invasive B.P. system for rodents.
Results: A rise in blood pressure was found on day 15thof i.p. injection of CdCl2 in all four groups. Group 3 (Aq. Extract Eclipta alba at dose 200mg/kg) found have significant changes in, Systolic and diastolic B.P. (119.17 mm/Hg and 80.83 mm/Hg) and also Group 4 (Amlodipine at dose 1mg/kg) found have significant changes in, Systolic and diastolic B.P. (119.83 mm/Hg and 78.00 mm/Hg)
Conclusion: Aqueous extract of Eclipta alba (200mg/kg B.D.) was found to posses significant anti hypertension effect in wistar albino rats.

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