Autobiographical elements in Harper Lee's "To Kill a Mockingbird"
This paper aims to analyse the autobiographical elements in the novel To Kill a Mockingbird which brings out the similarities in the life of the novelist Harper Lee and that of the protagonist, Scout. They both tend to share some coincidental situations in their lives wherein they seek answers to the questions which were asked by themselves and by others (public). Even though they were discriminated by their gender, they never listened to the public.
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Back Fire Microstrip pacth Antenna for wireless communication
A method to improve the bandwidth for L and C band of backfire antenna is proposed. The performance of backfire antenna is investigated by performing numerical calculation by using various mathematical formulas to determine necessary dimension of the antenna and simulation by using IE3D software. Here we design proposed geometry for 3GHz. For proposed geometry we got 37.5% bandwidth for VSWR < 1.5 return loss -45 dB and directivity is 8 dBi .
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Biological strategy for heavy metal removal from Industrial wastewater
Industrial wastewater containing substances that may affect human health and are difficult to degrade is a major health concern, where examples include effluents containing heavy metals. The contamination of receiving water bodies by heavy metals constitutes a major environmental concern as these contaminants are extremely toxic, recalcitrant, and exhibit a tendency to bio-accumulate. Although heavy metals could be removed from industrial wastewater by a range of physicochemical treatment technologies such as precipitation, ion exchange, adsorption, electrochemical processes, and membrane processes; however, regulatory standards are not always sufficient. The objective of this paper is to study the amenability of using the bacterial strain of Bacillus Subtilis isolated from the surface of natural Egyptian phosphate as an alternative for the conventional techniques of treatment. It is found that Zn removal increased from 80% to 93%, while Pb removal varied from 95.55% to 99.34 % by the addition of 10-20 ml of bacterial strain (Cell + Product) in a solution having 50 mg/l Zn2+ and 30 mg/l pb2+ ions. The relative removal capacity for metals was in the order Pb< Zn.
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Business Process Reengineering resources and the performance of quoted brewing firms in Nigeria
The study examined the effect of Business Process Reengineering (BPR) resources on the performance of brewing firms in Nigeria. Following the Kassahun’s (2012) BPR perspectives, the study grouped BPR resources into financial, human and technological resources. A sample of 746 employees was randomly selected from a population of 3500 from five brewing firms quoted in the Nigerian stock exchange. The Likert-type instrument of five-point scale used for data collection has a Cronbach alpha coefficient of 0.85. The percentage frequency was used to examine the baseline information of BPR variables in brewing firms in Nigeria while OLS regression model analysed the effect of BPR on the performance of brewing firms in Nigeria. The study results showed that financial and technological resources were in adequate usage while human resources were moderate. Also, the performance of brewing firms in Nigeria at present is scored high in the five-point rating. The regression result indicated that BPR resources have 94% significant effect on the performance in brewing firms in Nigeria. Specifically, a positive influence was established such that financial resources (63%) has more influence, followed by human resources (20%) and then technological (19%). This implies that the use of resources is a veritable strategy to enhancing firm performance. Firms that follow the present wave of technological innovations will enhance their competiveness and survival rate. The study therefore concluded that BPR is a veritable tool to enhancing employee satisfaction, team work and cooperation, quality of service delivery as well as attainment of organizational strategic goals in brewing firms in Nigeria. The study however, recommended that firms in the brewing industry and other allied manufacturing firms should employ its resources in an adequately proportionate manner.
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Chemical constituents, toxicity and antimicrobial activities of the essential oil from the leaves of tectona grandis
The leaves of Tectona grandis (Verbanaceae) was subjected to hydrodistillation in order to obtain the essential oil from the plant. The pale yellow essential oil gave a percentage yield of 0.184%. Relative percentages of individual component were analyzed by GC/GC-MS. A total of fifty-four (54) constituents were identified representing 86.5% of the total essential oil fraction. Oxygenated monoterpenes, sesquiterpene hydrocarbons, oxygenated sesquiterpenes, apocarotenoids, phenylpropanoids and non-terpene derivatives were the various classes of compounds identified. The LC50 value from the brine shrimp toxicity assay was 183.29µg/ml. The oil extract was also subjected to antibacterial assay and it showed significant activities against all the clinical test organisms used except Pseudomonas aeruginosa.
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Chemical Reaction Effect on Unsteady MHD Flow through Porous Medium Past an Impulsively Started Inclined Plate with Variable Temperature and Mass Diffusion in the presence of Hall current
Chemical reaction effect on unsteady MHD flow through porous medium past an impulsively started inclined plate with variable temperature and mass diffusion in the presence of Hall current is studied here. The fluid taken is electrically conducting. The Governing equations involved in the present analysis are solved by the Laplace-transform technique. The velocity profile is discussed with the help of graphs drawn for different parameters like thermal and mass Grashof Number, Prandtl number, chemical parameter, Hall parameter, permeability parameter, magnetic field parameter and Schmidt number, and the numerical values of skin-friction and sherwood number have been tabulated.
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Comparative Study of post-colonial Elements in The works of Jhomapa Lahiri and Mehrnoosh Mazarei
East with ancient civilization and reconciliation culture always had been the centre of crisis and unrest. While the West especially The USA with a few antiquities has reached to an unbelievable development. It is possible to say that after the world war second, after a while it achieved a degree of development and stability. This achievement was a kind of temptation to the people of the East in order to travel and get some of these gifts. Immigration for having a better life was one of the concerns of eastern people and also is. Not only Eastern immigrant will face some economical and political problems, but also the crisis of Identity. According to Erick Erickson’s idea (1902 –1994 ) one of the biggest part of human’s identity is the social and cultural part, which prepare the opportunity to express and recognize two other optimal factors such as: biology and inner feeling. The cultural and social backgrounds are formed and grown in the family foundation and bigger one the society. If we take account the society foundation where the person grow as a main part so we can accept the social identity of a person as a national identity. For example: Iranian, Indian, Afghan and others. Eastern immigrants always faced the challenge of East and west culture and most of them had to accept the two identities which lead to Transnational-identity. Some of these immigrants with passing the level of adaptation with a new culture, suspended their national identity and adapted to the new identity while in others this process has not completed yet. It means their inner feelings do not accept this process. Keywords: Identity, Culture, and costum
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Corrosion inhibition effect of arial parts of euphorbia caducifolia for aluminium in Hcl
Corrosion is one of the most damaging and costly naturally occurring events seen today. The most common kinds of corrosion result from electrochemical reactions. It can be prevented if the metal is coated with something which does not allow moisture and oxygen to react with it. It can be controlled by either alloying or by anti rust solutions. The naturally occurring plant products are eco-friendly, compatible, nonpolluting, less toxic, easily available, biodegradable and economic to be used as corrosion inhibitor.Euphorbia caducifolia has been selected to study its corrosion inhibition efficiency. It is easily available in any season. It is native to Thar Desert of India and located on rocky terrain, hills. It is used for treatment of bleeding wound, cutaneous eruption, urinary problems, kidney stones, rheumatic pain, bronchitis, jaundice, diabities, stomach pain, hernia etc. It is also called “Thor” and “Danda-thor”. It contains caudicifolin) norcycloartane type triterpene, cyclocaducinol, triterpenes euphol, tirucallol and cycloartenol. Corrosion inhibition efficiency of arial parts of Euphorbia caducifolia was studied for aluminium in HCl. Maximum inhibition efficiency was found 99.47% in 1N HCl acid with 0.8% leaf corrosion inhibitor whereas it was 94.21% for stem and 90.51% for flower with same concentration of inhibitor i.e. 0.8%. Inhibition efficiency was studied in different concentration of acid (1N, 1.5N, 2N and 2.5N) with different concentration of inhibitor (0.2%, 0.4%, 0.6% and 0.8%). Weight loss and thermometric methods were used. Inhibition efficiency was found to be increase with increase in concentration of inhibitor and decrease with increase in acid strength.
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Cubic graphs with equal complementary tree domination number and chromatic number
A set D of vertices in a graph G = (V, E) is called a dominating set of G, if every vertex in V-D is adjacent to some vertex in D. The domination number (G) of G is the minimum cardinality of a dominating set in G. A dominating set D of a graph G is a complementary tree dominating set, if the induced subgraph is a tree. The minimum cardinality of a complementary tree dominating set is called the complementary tree domination number of G and is denoted by ctd(G).The chromatic number of G is the minimum number of colours assigned to the vertices of G such that no two adjacent vertices have the same colour and is denoted by (G).In this paper we investigate cubic graphs for which ctd(G) = (G).
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Design and Fabrication of Friction Stir Welding Fixture with a New Approach
Friction stir welding is a relatively new solid-state joining technique which is widely adopted in different industry fields to join different metallic alloys that are hard to weld by conventional Fusion welding. FSW welding of material ( like aluminium stainless steel copper etc.) with good weld quality it is essential to manufacture specified fixture having accurate clamping capacity, heat resistance, compressive strength of base plate, flexibility in the welded plate dimension and easy to operate before and after FSW process. In this paper everything is calculated properly with complete design criteria to fulfill above mentions requirement
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