ALLELOPATHY OF Limonia acidissima L on Raphanus sativus L (Japani)
The effects of aqueous leaf root and stem leachates of different concentrations(2.5%, 5% and 7.5%) of plant parts of Limonia acidesima L( Rutaceae) from ‘ Garbhagiri hills of pathardi Tahsil ( longitude19o 09’N, laditude 750 10’E) were tested on germination and seedling growth of Raphanus sativus L( Var Japani) Family Brassicaceae. Leachates of 7.50% concentration of Limonia acidissima L. inhibited seedling growth parameters of. ‘Japani’ variety of Raphanus sativus L. in an order of: Stem >Leaf >Root
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Amino acid composition of three fresh water fish samples commonly found in south western states of Nigeria
The amino acid components of three fresh water fishes: African catfish (Clarias gariepinus), snake fish (Channa striatus) and tilapia fish (Tilapia zillii) were reported. Among the amino acids investigated, aspartic and glutamic acids were found most abundant in all the three samples with values ranging from 10.4 – 10.7 g/100g crude protein, cp (aspartic acid) and 14.3-14.6 g/100g cp (glutamic acid. The most abundant essential amino acids were Lysine (Leu), Leucine (Leu), and Arginine (Arg). The total acidic and amino acids (TAAA) (24.9 – 25.2g/100g, cp) in all the samples were greater than the total basic amino acids (TBAA) (18.4 – 19.8g/100g, cp) and Leu / Ile ratio values (2.09 – 2.20) showed that Leu > Ile in all the samples. The predicted protein efficiency ratio (P-PER) values (3.46-3.59) were considerably high and this would make them good food complements. The isoelectric point (pI) ranged from 4.68 – 6.04, showing that they are in acidic medium. In essential amino acid scores (based on whole hen’s egg), Lys was highest in all the sample with values ranging from 1.57 – 1.66 and their limiting essential amino acid was Valine (Val). On provisional essential amino acid scoring pattern, Lys (1.77 – 1.87) and Val (0.93) had the highest and lowest scores respectively. Essential amino acid scores based on pattern for pre-school children showed that all the samples would supply the required essential amino acids for pre-school children (2 – 5 years old). Generally, the samples are good sources of essential amino acids.
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An empirical investigaion of the determinants of bank executives compensation in Nigeria
In this study we investigated the determinants of executive compensation in some selected quoted banks in Nigeria. The study used eight (8) banks which were drawn from the quoted banks in Nigeria that disclosed executive compensation from 2005 to 2010 in their annual financial report. In identifying the determinants of banks executive compensation in Nigeria using our sampled banks, we conducted pooled OLS and panel data fixed and random effect regression analysis. In all, our results based on the Hausman test shows that the panel regression model best explains bank executive compensation in the selected quoted banks in Nigeria and that bank size (total asset) and profitability are two key factors that determine positively, the compensation of banks executives in Nigeria. This study recommends that further studies be conducted in this area using SEC filling to increase the data on executive compensation.
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An Experimental Approach for Enhancement of Heat Transfer Using TTHE: U valve
The conventional double pipe heat exchanger has less heat transfer rate, so to overcome this problem, this paper focuses on establishing the Triple Tube Heat Exchanger (TTHE) is modified constructive version of double concentric tube heat exchanger by adding an intermediate tube for hot fluid. In this paper the experimental data obtained during the test in a double and triple concentric tube heat exchangers are very much impressive. However, U valve also fitted and were analyzed and the experiment results conforms the effectiveness of the triple tube heat exchanger.
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An Intelligent Child Safety System Using GPS and GSM Technology
Wearable tracking gadget that school-age children can wear is the topic of this paper. It doesn't need any pricy technology to operate. This technology is usable by persons of all educational levels. It has got two buttons one is alert button and another is panic button The major objective of this gadget is to ensure that the youngster may contact their parents in an emergency. The alert button allows the child to notify their parents of an emergency and provide their current location. For communication, the current technology includes Bluetooth, WI-FI, and RFID. It is hard to communicate across a great distance with these technologies because they only have a narrow range of coverage. Also they are not that accurate. This device solves the issue by utilizing GSM technology. Parents do not need to submit any special code to the device to determine the child's location's latitude and longitude. If a child is in any emergency situation and wants his/her parents to know their current exact location. If a child feels uneasy, there are two methods to let the parents know. The cell phone of the parents or guardian receives the alarm message via SMS by pressing alert button and if the child wants to communicate to parents immediately, a call can also be made via this device using the panic button and the child can talk to the parent in real time.
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Analysis of Bi-Convex Aerofoil using CFD Software at Supersonic and Hypersonic Speed
The aim of this paper is to design and analyse a biconvex aerofoil with slightly curved leading edge and estimating the coefficient of pressure (CP), coefficient of lift (CL) and coefficient of drag (CD) at supersonic and hypersonic speeds. The aerofoil is symmetric and has a thickness of 6%. Gambit and Ansys Fluent are two best CFD software used for the analysis. The aerofoil was designed and meshed using Gambit software. Good quality boundary layer mesh can be easily generated using Gambit. The mesh generated was analyzed using Ansys Fluent software. About 1000 iterations were used for the simulation purpose. The pressure coefficient, lift coefficient and drag coefficient for the designed aerofoil were obtained. It was proven that the biconvex aerofoil can also be used for hypersonic speeds.
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Application of Nanotechnology in Pharmaceutical Product Development
Bioavailability (with high permeability and solubility) is important for effective therapeutic drugs. Nevertheless, in drug research, many drug molecules are of low permeability and solubility. Accordingly, in order to prolong the release and boost the bioavailability of these drug substances, new methods are required. A nanoparticle is a new solution to frame drug agents into nanoparticles. Two drugs fragments like furosemide (diuretic) suit to the BCS class IV and Amlodipine Besylate (calcium channel blocker) suit to the BCS class II in this study were co-encapsulated into PLGA nanoparticles by PVA as a surfactant. Normal particle dimension of these nanoparticles was found to be 275 nm with -12 mV zeta potential value. In house HPLC technique was developed for simultaneous estimation of these two molecules using CAN 5 C18-AR HPLC column with Phosphate buffer: CAN (62:38) as a mobile phase (1.0ml/min flow rate, 220nm detection) for entrapment efficacy study. Normal entrapment efficiency of Amlodipine and Furosemide were found to be 40% and 58%. Additionally, in vitro dissolution study was conducted in the phosphate buffer pH 7.4, and it was witnessed that 6% and 10% amlodipine and furosemide were released after 24 hours at room temperature condition at 100 rmp. From these results, it was concluded that these two molecules could be co-encapsulated in PLGA nanoparticles and below 15% relief of these two molecules after co-encapsulation in the PLGA nanoparticles showed the controlled release arrangement.
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Assessment of biodegradation and trace element content of three animal wastes.
Biodegradation and trace element content of three different animal wastes were evaluated in green house study. The study was a factorial experiment in a randomized complete block design (RCBD) with three different rates of 0, 5, 10 and 20 tha-1 each for poultry manure, pig manure and cow dung. Each treatment was replicated three times. The result showed that biodegradation rate of the wastes varied while poultry manure (PM) and pig manure (PG) decomposed fast, cow dung (CD) decomposed relatively slow. Hence nutrient release ability will be more on the PM and PG than in CD. The result of the study showed that it will require more oxygen to degrade CD than PG or PM thus cow dung has higher pollution potential followed by PG and PM. The result also showed that the incorporation of the animal wastes enriched maize shoot with trace metals. These metals at above critical levels are toxic to animals and human beings.
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Assessment of Brinjal (Solanum melongena L.) cv. G.H. B.-1under FLD in Panchmahal district of Western India
Brinjal (Solanum melongena L.) is an important solanaceous crop of tropics and sub tropics. An extensive survey of brinjal growers was carried to know the constraints in brinjal cultivation. The lack of suitable HYVs, technical knowhow, quality irrigation water and plant protection was the four most important factors which were found to be responsible for low productivity. To fulfil this gap a FLD (front line demonstrations) was designed during 2012-2013 on Brinjal cv. Gujarat Hybrid Brinjal-1 at ten selected farmer’s field. The main objective of FLD was to popularize good agriculture practices (GAP) among the farmers. The yield of Brinjal cv. GHB-1 was recorded 270.80q/ha from demonstration plots as compared to local check (195.50qt/ha). The percentage increase in yield over local check was demonstrated in variety GHB-1 (38.51). The highest gross return, net return and cost benefit ratio were recorded Rs. 1, 02,300 /ha, Rs. 60,100/ha and 2.42 as compared to local check respectively. The “mean knowledge score” of farmers was increased significantly by 32.42% after implementation of frontline demonstrations.
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Backend design of LMS adaptive filter using cadence tools
We have dealt with the Backend design of LMS algorithm in Cadence tools. The LMS algorithm is used for the purposes of Polyharmonic Power Calibrator, Active phase cancellation of Hostile radars, and Noise cancellation. We have implemented the algorithm into VLSI technology using Verilog HDL, designed, simulated, and synthesized it using Xilinx Spartan3 3s400pq208 and the backend design is done using Cadence tools. The backend design for the LMS adaptive filter is done using RTL-GDSII So C encounter system and the So C design of the LMS algorithm had a power consumption of 32mW, timing slack of about 14ps and the design frequency is about 4.2Mhz also it uses an area of about 9753microns with a core size of about Ratio (H/W) 0.9204437. It is found that the backend implementation to be more efficient than the other methods of implementation.
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