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Science Journal

 

Report and Opinion

 

Volume 3 - Issue 10, Cumulated 28, October 25, 2011, ISSN 1553-9873

Cover Page, Introduction, Contents, Call for Papers, All papers in one file

 

Welcome to send your manuscript(s) to: sciencepub@gmail.com

CONTENTS

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Titles / Authors

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1

Basis For Symmetric Matrix And Pseudo-Potential Tensor In Data Gravity Interpretation

 

1*ADEWOLE O.O, 2ALLI S.G .

 

1 Department of Physics, University of Ibadan, Ibadan, Nigeria. 

2Department of Computer, Mathematics & Statistics, The Polytechnic, Ibadan, Nigeria.

 

ABSTRACT:Gravity method has tremendously pervaded the field of geophysical exploration and thus discussed in this work. The basis for symmetric matrix data gravity interpretation is proposed. A symmetric matrix representation and pseudo-potential tensor were discussed and optimistically form a veritable tool for gravity data interpretation. The fundamental law of gravitational attraction is essential in delineating gravity data interpretation and the gravity effect or anomaly representation is evidently expressed by a finite difference matrix in the discussion. A computational extension can be done based on the symmetric matrix representation with available gravity data.

[ADEWOLE O.O, ALLI S.G. Basis For Symmetric Matrix And Pseudo-Potential Tensor In Data Gravity Interpretation. Report and Opinion 2011;3(10):1-3]. (ISSN: 1553-9873). http://www.sciencepub.net/report

doi:10.7537/marsroj031011.01

 

Keywords: Symmetric matrix, pseudo-potential, gravity data, gravity effect, gravitational attraction.

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2

 Predictive Models for some Densification Characteristics of Corncob Briquettes

 

Lucas, E.B. 1 and *Oladeji, J.T. 2

 

 1. 2. Mechanical Engineering Department, Ladoke Akintola University of Technology,

 P.M.B. 4000, Ogbomoso, Nigeria

 bajlucas@yahoo.co.uk/oladeji2004@yahoo.com/jtoladeji@gmail.com

 

 Abstract: Corncob is a renewable energy resource that has a considerable potential to meet the energy demand in rural areas in Nigeria, especially for domestic and small scale cottage applications. Corncobs utilized were sun-dried and their moisture content was determined using ASAE standard. The residues were subjected to size reduction process and three particle sizes S1 (4.70 mm), S2 (2.40 mm) and S3 (0.60 mm) were selected. The bulk density of the unprocessed materials and relaxed briquettes were determined using ASAE standard. Starch mutillage (binder) was added to the residues at 20 (B1), 25 (B2), and 30 % (B3) by weight of the residue. A briquetting machine was used to form briquettes at pressures of 2.40 (P1), 4.40 (P2) and 6.60 (P3) MPa with observation of a dwell time of 120 seconds. The initial, maximum and the relaxed densities of the briquettes were determined using the mould dimension, the relaxed briquette’s dimension and ASAE standard method of determining densities. Also determined were the compaction, density and relaxation ratios of the formed briquettes. Percentage axial and lateral expansions were also determined. The experimental data were subjected to regression analysis. A statistical package SPSS version 11.0 was used. The regression coefficients for the maximum density, relaxed density, compaction ratio, density ratio, relaxation ratio, axial expansion and lateral expansion are 0.72, 0.81, 0.85, 0.84, 0.77, 0.86 and 0.81 respectively. The study concluded that there is no significant difference between experimental and predicted results. Hence, all the developed models are reliable.

[Lucas, E.B. and *Oladeji, J.T. Predictive Models for some Densification Characteristics of Corncob Briquettes. Report and Opinion 2011;3(10):4-9]. (ISSN: 1553-9873). http://www.sciencepub.net/report

doi:10.7537/marsroj031011.02

 

Key words: Model, Briquettes, Regression analysis, Corncob

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3

Effects of Different Levels of Feeding of Pistachio Epicarp Silage on Wool Characteristics of Growing Afshari Lambs

 

M. Salehi, A. Mahdavi , F. Mirzaei*

 

Scientific members of Animal Science Research Institute of Iran

*Corresponding email:farmir2003203@yahoo.com

 

Abstract. Sixteen male lamb Afshari sheep (mean live weight 351.21 kg, 10 month of age) were used to study the effect of different levels of silage pistachio epicarp (0, 8, 17 and 25 %) on wool characteristics. The fleece weight (FW), staple length on shoulder (STS), flank (STF), back (STB) and rump (STR), true wool fiber (TW), medullated fiber (MF), kemp fiber (KF) percentage, mean wool fiber diameter (MD) and its coefficient variation (CVMD), breaking load (BL), wool tenacity (WT) and extension (E) were measured. These data were analyzed by one- way ANOVA using SAS software package. The total mean of FW; STS, STB, STF STR; TW, MF, KF;, MD, CVMD, BL, T and E of wool were 1622.20.2 gr, 6.200.26, 6.800.20, 6.500.20 and 6.900.20 cm, 63. 301.6, 8.301.6 and 28.402.5 percentage, 37.00.9 mu, 47.022.99 percentage, 7.600.3 kgf, 3.400.2 gf/tex and 31.11.7 percentage respectively. Although there were significant differences among treatments about FW, MF, KF, MD, BL and T. The results showed that feeding lambs with pistachio epicarp silage 25 percentage of total dry matter intake affected wool characteristics and it's effect was similar the control group.

[M. Salehi, A. Mahdavi , F. Mirzaei. Effects of Different Levels of Feeding of Pistachio Epicarp Silage on Wool Characteristics of Growing Afshari Lambs. . Report and Opinion 2011;3(10);10-13]. (ISSN: 1553-9873). http://www.sciencepub.net/report

doi:10.7537/marsroj031011.03

 

Keywords: Afshari lamb - Pistachio epicarp silage - Wool traits

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4

Study on efficacy of Probiotic in Broiler Chickens diet

 

Seyed Mozafar Seyed Mehdizadeh Taklimi, PhD1. Hushang Lotfollahian, PhD1. Ahmad Zarea Shahne, PhD2. Farhad Mirzaei, PhD1. Alireza Alinejad, MSc3

 

1Animal Science Research Institute, Karaj, Iran

2College of Agriculture, University of Tehran, Karaj, Iran,

3 College of Agriculture, Islamic Azad University -Ghaemshahr, Iran

Corresponding author: farmir2005@gmail.com

 

Abstract: 400 day old chicks were distributed randomly into 4 treatments and 4 replicates in each treatment (25 birds in each replicate) and fed standard feed. The effects of different levels of probiotic in diets for 49 days were studied. Humoral immune responses were studied by conducting experiments on cellular proliferation, entry and survival of beneficial bacteria in gut, immunoglobulin titers. Mean body weight. Gain, feed intake and feed efficiency were recorded significantly (P<0.05).Immune response of chicks through study of levels of anti-body productions (even after SRBC injections) in experimental groups were also significantly different as compared with the control group (P<0.01).The bacteriological and intestinal morphology studies were showed significantly different in birds, when fed probiotics. Therefore, it can be suggested the Probiotic (Biomin Imbo) can be safely used at the rate of 0.1, 0.05 and 0.025% in starter, grower and finisher diets. The aim of the experiment was to evaluate whether selected Probiotic (Biomin Imbo) 3108 cfu/g have different immunomodulating effects in broiler chickens.

 [Seyed Mozafar Seyed Mehdizadeh Taklimi, PhD. Hushang Lotfollahian, PhD. Ahmad Zarea Shahne, PhD Farhad Mirzaei, PhD1. Alireza Alinejad, MSc. Study on efficacy of Probiotic in Broiler Chickens diet. Report and Opinion 2011;3(10):14-17]. (ISSN: 1553-9873). http://www.sciencepub.net/report

doi:10.7537/marsroj031011.04

 

 Key words: Broiler, Immunology, Intestinal morphology, Probiotic.

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5

Effect of herbal feed additives on performance parameters of ruminants and especially on dairy goat; a Review

 

F. Mirzaei

 

Scientist on Livestock production management, Animal Sciences Research Institute of Iran, Karaj, 31585, Iran

Email; farmir2003203@yahoo.com

 

Abstract; Over 90% of the goats in the world are owned by rural households, which are characterized by poverty, low input agricultural practice, lack of modern management skills, poor feeding and housing practices, inappropriate breeding practices and inadequate adoption of technologies essential to improve the productivity. According to the FAO, the lack of drugs to treat diseases and infections causes losses of 30 to 35% in the breeding sector of many developing countries, where poor animal health remains the major constraint to breeding. There are two principle reasons behind the changes in legislation on the use of in-feed antibiotic growth promoters. The first is to try to combat the development of microbial resistance to antibiotic drugs and the consequences on human health. The second is a response to consumer pressures to eliminate the use of all non-plant xenobiotic agents from the diets of animals, so natural resources of medicine like phytomedicines can help smallholders in rural areas to manage their only income resources from diseases and mortality.

F. Mirzaei, Effect of herbal feed additives on performance parameters of ruminants and especially on dairy goat; a Review. Report and Opinion 2011;3(10):18-36]. (ISSN: 1553-9873). http://www.sciencepub.net/report

doi:10.7537/marsroj031011.05

 

Keywords; Herbal, additive, performance, ruminant

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6

Variation density of chaotic graphs

 

M. El-Ghoul*1 and F. M. Alogaab2

 

Mathematics Department, Faculty of science, Tanta University, Tanta, Egypt

Mathematics Department, Faculty of science, Ain-Shams University Faculty of girls, Cairo, Egypt

*m_elghoul@hotmail.com

 

Abstract: In this paper we will introduce a new type of graphs which carry physical character called density of chaotic graphs, we will discuss the density of chaotic graphs at two different cases, equal densities and different densities. The representation of the chaotic graphs by matrices will be obtained.

[M. El-Ghoul and F. M. Alogaab. Variation density of chaotic graphs. Report and Opinion 2011;3(10):37]. (ISSN: 1553-9873). http://www.sciencepub.net/report

doi:10.7537/marsroj031011.06

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The manuscripts in this issue were presented as online first for peer-review, starting from September 25, 2011. 
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doi:10.7537/marsroj031011.01

doi:10.7537/marsroj031011.02

doi:10.7537/marsroj031011.03

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doi:10.7537/marsroj031011.05

doi:10.7537/marsroj031011.06

 

 

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