IMPACT : International Journal of Research in Engineering & Technology

9-18

Authors: BIDYA PRAKASH MAJHI & SHATENDRA SAHU

This paper, proposes a non-linear constrained mathematical model to search the optimal cutting parameters such as cutting speed, feed rate and depth of cut. The model deal with the multi-pass turning operation which is comprises of multi-pass rough machining and finish machining. An optimization technique based on bio-geography based optimization has been introduced to optimize the multi-pass roughing and single-pass finishing parameters to achieve minimum production cost. BBO is very effective and efficient method for optimization problem. An example is adopted from the literature to solve the proposed optimization problem.

37-46

Authors: AASTHA MAHAJAN & PARMINDER KAUR

It is a natural phenomenon philosophical world view reflects almost in all the great thinkers’ and scholars’, akyns-writers’ notes in the world civilization. As philosophy is «the father of the science» reflection of writer’s world view in their works draws the readers ‘attention to the good and humanity is a fact. So, philosophical thoughts and pedagogical points of views in akyns-zhyraus’ poems is one of the necessary means of educating the young generation

57-62

Authors: K.C. DUBEY, ABHAY S. JAISWAL & R.K. SHUKLA

In the present work, we have investigated optical properties including UV-visible transmission and photoluminescence (PL) spectroscopy of titled thin films prepared by sol-gel spin coating method. In UV-visible spectroscopy result shows that the prepared thin film is transparent and transmission spectra varies between 68 to 90% in visible and infrared region with sharp cut off at 300 nm. In PL study shows several visible emission peaks ranging from 380 to 650 nm with near band edge (NBE) peak at 380 nm. The ratio 1:5 of ZnO:SnO2 shows maximum PL intensity. The PL intensity is found to decrease with increase the ratio of SnO2 in ZnO. The highest intensity peak centered at 380 to 420 nm which show the violet emission. The presence of different broad peak shows the defect of the synthesis of the thin film. When the ratio are increased i.e. 1:2, 1:3, 1:4, 1:5 (ZnO:SnO2), it shifted towards lower wavelength i.e. blue shifting takes place. The humidity sensing of pure ZnO and ZnO:SnO2 thin films shows promising properties and the details study is included in this work. Response and recovery time of samples is very low which shows suitability of prepared samples for sensors.

71-82

Authors: AHMED SAADHASSAN NOUFAL & MOHAMED AHMED SOLIMAN AL SHERIF

Maritime transport industryis an international industry upon which global economy heavilydepends as one of the cheapest means of transport of goods between countries.Accordingly, we should take care of those who are in charge of this industry on board and solving the problems they face, where nationalities who work onboard shipare different, and may be different from the nationality of the ship owner and the flag of the vessel in many cases. This has necessitated the need to rely on international agreements issued by international organizations to regulate the work in this industry, and the organizations that are meant to this industry as the International Maritime Organization (IMO) and the International Labour Organization ILO which issued a number of international treaties, including four treaties have been considered as the four pillars of the maritime transportation industry are as follows (SOLAS 74, MARPOL 73/78, STCW 78, and MLC 2006). Therefore, this research urges on the definition of the role of the international labor organization as one of the largest international organizations interested in solving the seafarer’s problems who work in the maritime transport industry. It also sheds light on the unified maritime labour convention 2006 and its amendments in 2014.Theresearch starts discussing problems facing seafarers at sea and on land. One of these problems is tohave suitable and appropriate jobs, as well as acquiring qualifications and adequate training, which increases the efficiency of the seafarers, the right for vacation and the appropriate wages, determining the working and proper rest hours to reduce stress, and keeping them healthy, also accommodation sites, entertainment and the problem of repatriation seafarers. The research also discusses points of agreement between the maritime labor convention of 2006 and the Egyptian legislation and the shortcomings of the Egyptian legislation.Moreover it tackledthe social security regulations of the conventions, the difficulty of applying these regulations, and setting possible solutions for the Egyptian government, which facing difficulties when applying this regulation.The research also discusses the problems resulting from not signing the convention.