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The experiment was conducted at the Horticulture farm, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh, during the period from May 2012 to August 2012. Summer tomato seedlings were sprayed with four levels of maleic hydrazide viz. 0, 20, 40 and 60 ppm were arranged in Randomized Complete Block Design with three replications. Plant growth retardant- maleic hydrazide @ 60 ppm decrease plant height, increases number of leaves, branch, flowers (33%) and fruits (35%) plant -1 . It also increases individual fruit weight and yield of tomato ha -1 about 32% and 57%, respectively but it did not affect the fruit length and diameter.
- This paper presents the concept of using a polyethene film to address the shortcomings of the conventional solar pond which are low efficiency, short operation time among others. The thermal behavior of a solar pond with a polyethene has been analyzed and compared with that without a polyethene film. The experiments show that: the heat storage layer (LCZ) temperature rising rate was significantly higher than that of single layer porous media solar pond. The polyethene film of thickness 100µm was used. The polyethene film brings about the greenhouse effect where the solar energy that penetrates the film is trapped and improves the efficiency of the storage zone. Results show that the efficiency of a polyethene stabilized pond rises to about 69 % compared to the conventional solar pond with about 52 %.
Micro Electric Discharge Machining is a nontraditional machining process which can be used for drilling micro holes in high strength to weight ratio materials. This present research study deals with the single optimization of micro EDM process using Genetic Algorithm. Mathematical models using Response Surface Methodology (RSM) is used to correlate the response and the parameters. The desired responses are minimum tool wear rate. The control parameters considered are pulse on time, peak current and flushing pressure on micro EDM of AISI stainless steel 304. The process control parameters of the machine have to be set at an optimal setting in order to achieve the desired responses.
The Z-Source concept has many advantages and can be applied for any type of power conversion. Both boosting and modulation index can be controlled in inverter operation itself, by inserting proper shoot through states. This paper presents procedure for implementing, space vector modulated REC Zsource inverter in MATLAB SIMULINK by inserting shoot through states. It also explains a clear procedure of selection of shoot through states at required time and presents an overall tabular column of the sequence of switching states for three level space vector modulation. The proposed techniques are demonstrated in MATLAB and have achieved good performance results.
The explanation of Time in Einstein‟s Special Theory of Relativity¹ is different from the explanation of Time in Classical Mechanics. In Relativity¹, Time is considered as fourth dimension. But, I would argue against Einstein‟s concept of Time as I do not see Time as a separate dimension. In this paper, I would explain Time Dilation and details of when and why it happens.
There are many different those that really like cruising and usually there are some that definitely have to safely move to another country for scientific studies or perhaps for holidaying. For such people, it is not a achievable concept in which to stay your accommodation for so long. That is why it will become needed for the people who come here for short-term to go for a shorter duration rental property inside london.