In connection with the development of radio communication systems, microwave, millimeter range, one of the most important is the problem of creating compact solid-state radiation sources. The antenna is the effective interaction between electronic circuits and the outside world is an important component of any wireless connection trend toward line the use of high frequencies in modern communications. Solutions, space technology, about (30 Ghz), Local Multipoint Distribution (LMDS) at 28Ghz) antenna technologies to meet the new requirements of the card actively participated in the elaboration of the various subsystems for such active monolithic Phased Array Antenna. This document is primarily.This paper mainly studies the effect of plasma wave on the radiation properties of a conically depressed microstrip patch antenna .Using linearized hydrodynamic theory and potential function technique, the total directive gain and quality factor are calculated for different values of plasma to source frequency and different half-cone angles. It is observed that the directive gain and quality factor are changes considerably by changing the half-cone angle as well as a plasma to source frequency values.

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Journal: Journal Journal of Advanced Sciences and Engineering Technologies Volume 1 Issue 1 Pages 7

Journal: Journal International Journal of Advances in Science Engineering and Technology Volume 6 Issue Issue-1 May-2018 Pages 28-31

We consider the thermal aspect of a system composed of two coupled harmonic oscillators and study the corresponding purity. We initially consider a situation where the system is brought to a canonical thermal equilibrium with a heat-bath at temperature T. We adopt the path integral approach and introduce the evolution operator to calculate the density matrix and subsequently the reduced matrix density. It is used to explicitly determine the purity in terms of different physical quantities and therefore study some limiting cases related to temperature as well as other parameters. Different numerical results are reported and discussed in terms of the involved parameters of our system.

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Journal: Journal Journal of Statistical Mechanics: Theory and Experiment Volume 2018 Issue 9 Pages 093101

An experiment was performed to show the Impact of replacing soybean meal with peanut meal on broiler growth performance. Three hundred lohman broiler males were obtained and reared for 42 days in an environmentally controlled poultry house. Birds were divided into three groups, each group assigned to 20 experimental units and allocated to 5 identical pens (20 birds / 1m2). Birds were offered ad libitum feed and water throughout the experimental period. Three different experimental diets were formulated as follows: T0; 0% peanut meal, T50; 50% soybean meal, and 50% peanut meal, and T100; 100% peanut meal. Birds body weight was measured every two weeks at the same time. Feed intake, average daily gain, and feed conversion ratio was calculated at the end of the experiment. The body weight was greater (p < 0.05) for birds that received peanut meal at 100% level (T100) more than birds consumed T0 and T50 diets at 14-28 days and at days 28-42. At day 28 - 42, feed intake was greater (p < 0.05) for broilers that had T100 diet than broilers which consumed T0 and T50. Average daily gain (ADG) and FCR was not affected (p > 0.05) by the different experimental diets. Therefore, feeding peanut meal had a positive effect on broiler growth performance and might be considered as an excellent protein source in broiler rations

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Journal: Journal of Natural Sciences Research Vol.6, No.4, 2016

Aim: The aim of this study was to evaluate the effect of feeding low (LO)- or high (HI)-fiber diets supplemented with Saccharomyces cerevisiae (SC) on nutrient intake, digestibility, nitrogen balance, rumen fluid pH, and serum concentrations of glucose and urea nitrogen in Awassi female lambs in a 2×2 factorial arrangement of treatments. Materials and Methods: Experimental diets were as follows: (1) LO-fiber diet with no SC supplementation (−LO), (2) LO-fiber diet supplemented with SC (+LO), (3) HI-fiber diet with no SC supplementation (−HI), or (4) HI-fiber diet supplemented with SC (+HI). Eight female lambs were used in a replicated 4×4 Latin square design with 15-day experimental periods (10-day adaptation period and 5-day collection period). Results: A fiber×SC interaction (p≤0.05) was detected for dry matter (DM) and crude protein (CP) intake among diets showing greater DM and CP intake for +LO diet compared to +HI group supplemented with SC, whereas −LO and −HI were intermediate. A fiber×SC interaction (p=0.05) was also detected for the neutral detergent fiber (NDF) intake among diets. Intake of NDF was greater for the –HI diet compared with +LO and –LO diets. Similarly, NDF intake was greater for +HI diet than –LO diet. A tendency (p=0.07) for a fiber×SC interaction was detected for acid detergent fiber (ADF) intake among diets as well. ADF intake tended to be greater for HI-fiber diets. No difference was observed in the rumen fluid pH for lambs fed with the different diets. No fiber×SC interactions were detected for the digestibility of DM, CP, NDF, and ADF among dietary treatments. Digestibility of DM was greater (72.9 g/100 g vs. 67.1 g/100 g; p=0.0002) for LO versus HI fiber. However, NDF and ADF digestibilities were greater (60.8 and 61.9 g/100 g vs. 55.8 and 52.7 g/100 g for NDF and ADF digestibility, respectively; p≤0.01) for the HI-fiber than the LO-fiber diets. Conclusion: Results obtained in the current study indicate that SC supplementation has a minimal effect on the performance of Awassi female lambs fed with varying fiber levels.

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Journal: Veterinary World-11(7): 1015-1020

An experiment was conducted to indicate the effect of feeding high energy diet for 45 days on male and female Awassi lambs’ performance, carcass percentage, and cost of production. A total of twenty four Awassi lambs (12 males, and 12 females) averaging 18.2±0.70 kg body weight were used. Lambs were assigned randomly to two different groups (groups A and B); each group had twelve lambs (6 males and 6 females) and fed two different diets (low energy diet and high energy diet). Feed intake, total gain, average daily gain and feed conversion ratio was calculated and body measurements (height and length) were recorded. Lambs were slaughtered at the end of experiment, to evaluate carcass percentage. Cost of production was calculated based on ingredients’ price at the time of the experiment. Final body weight, weight gain, and average daily gain were greater (p < 0.05); while feed conversion ratio was lower (p < 0.05) for lambs fed high energy diet than lambs fed low energy diet. Body length differences measured to be greater (p < 0.05) for male lambs fed high energy diet than other lambs. Fasted weight, hot carcass weight, and dressing percentage were higher (p < 0.05) for lambs fed the high energy diet. Cost of gain was lower (p < 0.05) for lambs in group B compared to lambs in group A. Therefore, the economical efficiency in this experiment was greater for lambs fed high energy diet than lambs fed the control diet during 45 days fattening period

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Journal: Journal of Agricultural Science; Vol. 9, No. 9; 2017

The objective of this research was to investigate the effect of feeding hydroponic barley (HB) on the performance of Awassi ram lambs. A total of 50 weaned lambs were used in a feeding trial by dividing it into two groups. The first was fed a total mixed ration diet (control) while lambs in the second group were fed similar ration except that barley grain was totally replaced by HB for 90 days feeding trial. Lambs were fed ad libitum twice per day and had a free access to fresh water. Feed offered and refusals were collected, body weight gain was measured weekly, and feed conversion ratio (FCR) was calculated. Results of the experiment showed that HB had a positive effect (p<0.05) on feed intake, final body weight, total gain, average daily gain, and FCR on lambs fed the HB diet when compared to lambs fed the control diet. In conclusion, HB can be used as feed for lambs in the fattening period to enhance their growth performance

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Journal: Journal of Biology, Agriculture and Healthcare Vol.6, No.8, 2016

An experiment was performed to show the Impact of replacing soybean meal with peanut meal on broiler growth performance. Three hundred lohman broiler males were obtained and reared for 42 days in an environmentally controlled poultry house. Birds were divided into three groups, each group assigned to 20 experimental units and allocated to 5 identical pens (20 birds / 1m2). Birds were offered ad libitum feed and water throughout the experimental period. Three different experimental diets were formulated as follows: T0; 0% peanut meal, T50; 50% soybean meal, and 50% peanut meal, and T100; 100% peanut meal. Birds body weight was measured every two weeks at the same time. Feed intake, average daily gain, and feed conversion ratio was calculated at the end of the experiment. The body weight was greater (p < 0.05) for birds that received peanut meal at 100% level (T100) more than birds consumed T0 and T50 diets at 14-28 days and at days 28-42. At day 28 - 42, feed intake was greater (p < 0.05) for broilers that had T100 diet than broilers which consumed T0 and T50. Average daily gain (ADG) and FCR was not affected (p > 0.05) by the different experimental diets. Therefore, feeding peanut meal had a positive effect on broiler growth performance and might be considered as an excellent protein source in broiler rations

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Journal: Journal of Natural Sciences Research Vol.6, No.4, 2016

The aim of this study was to investigate the effect of adding milk powder on the growth performance of broilers. Two hundred Lohman broiler males were purchased and reared for 35 days. Chicks were randomly divided into two groups, each group assigned to 10 experimental units and reared in 10 identical pens (10 birds/m2). After a week from purchasing, birds were weighed and assigned to two diets, the control diet (0% milk powder) and the experimental diet (0.5% milk powder). Feed intake and body weight gain were recorded weekly, while feed conversion ratio was calculated. It was noted that body weight gain was improved at week four and five of the experimental period for birds fed rations supplemented with 0.5% of milk powder compared with birds fed the diet contains 0% milk powder with an average body weight gain of 1.20 and 1.92 kg for birds fed 0.5% milk powder diet, and 1.11 kg 1.71 kg for birds fed 0% milk powder diet. A significant difference (p < 0.05) was shown in feed conversion ratio for the birds fed 0.5% of milk powder diet from week two till five with 1.39, 0.89, 0.84, and 0.59 respectively, compared with birds fed the 0% milk powder diet with 1.55, 0.99, 0.97, and 0.69 respectively. Therefore, feeding broilers rations supplemented with 0.5% milk powder significantly (p < 0.05) increased weight gain and feed conversion ratio compared to birds fed 0% milk powder diet, which indicate that milk powder supplementation might be effective and improved growth performance.

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Journal: Journal of Agricultural Science; Vol. 7, No. 8; 2015