DESIGN PARAMETERS FOR THE BOTTOM PLATE OF A 300KG CAPACITY CUPOLA FURNACE.

1Apasi Adaokoma,  2Zakari Ya’u Ladan  and 3Musa Dalil.

Department of Mechanical Engineering, Federal polytechnic, Kaduna.

Department of Works, Federal Polytechnic, Kaduna.

email:

ABSTRACT

The modification of microstructures to achieve desired properties is a fundamental approach in metallic materials development. Heat-treatment which is one of the primary routes of developing microstructures requires the use of well designed furnaces to be able to attain desired temperatures and a good designed furnace such as cupola must have bottom plate strong enough to withstand the heavy mass. Heat-treatment furnaces with effective temperature sensing, heat retaining capacity and controlled environment are necessary for heat-treatment operations to be successfully performed. Some of the parts of furnace considered during design is the bottom plate. This paper have discussed the design parameters for a furnace bottom plate. The plate was used when operating a design and fabricated cupola furnace, tested and the result shows that the design analysis can be adopted.


RESPONSE OF TOMATO (Lycopersicon lycopersucum KARST) VARIETIES AS INFLUENCED BY STAKING, IRRIGATION INTERVAL AND POULTRY MANAURE IN SOUTH- SOUTH ECOLOGICAL ZONE, NIGERIA.

Ogboi .E. and Odeh, H.O

Department of Agricultural Technology

Delta State Polytechnic, Ozoro

Email: ogboied@gmail.com

ABSTRACT

Field experiment was conducted during 2014/2015 dry season at Irrigation Research Station in demonstration research farm of Delta State Polytechnic, Ozoro to study the “response of tomato (Lycopersicon lycopersicum Karst) varieties as influenced by staking, irrigation interval and poultry manure at Ozoro. The treatment consisted of staking (staked and unstaked), two tomato varieties (UC 82B and Petomech VF) and three poultry manure rates (0,6 and 12 tonnes ha-1), which were combined factorially in split plot design where staking and irrigation interval were allocated to main plot while tomatoe varieties and poultry manure were assigned to sub plots. The treatments were replicated three times. The result showed a significant effect of staking on number of branches and plant height only, where staked tomato produced taller plants with higher number of branches. Similarly irrigation interval effects was significant, in which 15 days irrigation interval produced plants with higher number of branches and fruit as well as higher fresh fruit yield compared to 10 and 20 days irrigation intervals. The result indicated that Petomech VF was significantly taller compared to UC 82B. poultry manure at the rate of 12 tonnes ha1 gave the higher fresh fruits yield in both varieties. In conclusion, 15 day irrigation interval with manure application of 12 tonness ha-1 on staked tomato gave higher fresh yield in both varieties while Petomech VF out yielded UC 82B.

Keywords: Experiment, Varieties, Poultry, Manure.


Table of Content

Quality Evaluation of Yoghurt Produced from Blends of Whole Milk and

Soybean Powder

Ome, A.P., Okeke-Okoye, C.J. and Ifediba, D.I.                                                                         1-19

Phytochemistry, Isolations and Some Pharmacological Studies of Ethanol

Leaf Extract of Piliostigma Thonningii

Abdulrahman, F.I. Tijjani M.A.,Yakubu, J., Sandabe, U.K.                                                         20-62

Comparasion of Tomatoe (Lycopersicum esculentum Mill) Response to different Poultry Droppings in South – South Ecological Zone of Nigeria

Ogboi. E. and Odeh, H.O.                                                                                                         63-75

Response of Tomato (Lycopersicon lycopersucum Karst) Varieties as Influenced by Staking, Irrigation Interval and Poultry Manaure in South- South Ecological Zone, Nigeria.

Ogboi .E. and Odeh, H.O.                                                                                                         76-85

Nutritional Value of Instant Breakfast Cereal from Yellow Maize fortified with

Moringa Leaf

Akintoye Mopelola O.1 and Adeyanju Bridget E.                                                                     86-108


Nutritional Value of Instant Breakfast Cereal from Yellow Maize fortified with Moringa Leaf

Akintoye Mopelola O.1 and Adeyanju Bridget E.1

Department of Home Economics,

Adeyemi College of Education, Ondo, Ondo State, Nigeria.

Email: mopelolaace@gmail.com

ABSTRACT

The research work determined the nutritional value of instant breakfast cereal from yellow maize fortified with moringa leaf. Yellow maize flour was mixed with moringa leaf powder at ratios of 90:10, 80:20 and 70:30 and the laboratory analysis was conducted at the microbiology laboratory, Federal University of Technology, Akure (FUTA), Nigeria. Findings from the study revealed that as the level of substitution of moringa oleifera leaves increased in the blend, the ash content, crude fibre content, protein content, carbohydrate content of the gruel increased. The calcium, magnesium, potassium and iron contents increased significantly as the moringa oleifera content of the flour blends increased. The calcium content of the flour blend with the highest percentage of moringa oleifera leaves (92.00±0.005) was highest. Moringa leaf powder substantially increased nutrient/energy density of ‘ogi’ and it could be added to ‘ogi’ up to ratio 70:30 as the preferred mix. The research revealed the great potential of Moringa oleifera leaf in the enhancement of ‘ogi’. It was therefore recommended that sensitization should be made to the general public on the nutritional benefits of Moringa oleifera leaf.

Keywords: Yellow maize, Moringa leaf, instant breakfast cereal (ogi)


COMPARASION OF TOMATOE (Lycopersicum esculentum Mill) RESPONSE TO DIFFERENT POULTRY DROPPINGS IN SOUTH – SOUTH ECOLOGICAL ZONE OF NIGERIA

Ogboi. E. and Odeh, H.O

Department of Agricultural Technology

Delta State Polytechnic, Ozoro

Email: ogboied@gmail.com

ABSTRACT

A research work on comparasion of tomatoe response to different poultry dropping in South – South Ecological Zone of Nigeria was conducted in Delta State Polytechnic School of Agriculture demonstration farm Ozoro in two growing seasons between March and June 2015 and 2016 to identify the best poultry dropping manure for the cultivation of tomatoes. Five different treatments comprising of layers dropping, chick dropping, broilers dropping, growers dropping and control were used for the research and these treatment were replicated five times in complete randomized design. The performance parameters observed in this research were the survival rate, the height of tomatoe plant, the branches of tomatoe plant, the number of fruit, and weight (kg) per fruit of tomatoes. At the 3rd month after transplanting, it was observed that all the tomatoes grown in the five different growth media had 100% survival rate; the height ranges between 72cm to 90cm branch number ranges from 19 to 23, fruit number ranges from 60 to 80 per plant and the weight (kg) per fruit ranges from 0.2kg to 0.99 kg. In all the tomatoes grown in Broiler dropping growth medium gave best performance in term of fruit number and fruit weight. Therefore, broiler dropping is recommended for the cultivation of tomatoes in South – South Ecological Zones, Nigeria.

Keywords: Growth Media, Transplanting, Droppings, Ecological Fruit Weight.


PHYTOCHEMISTRY, ISOLATIONSAND SOME PHARMACOLOGICAL STUDIES OF ETHANOL LEAF EXTRACT OF PILIOSTIGMA THONNINGII

1Abdulrahman, F.I. 1Tijjani M.A., 1Yakubu, J., 2Sandabe, U.K.

1Department of Chemistry, University of Maiduguri, Maiduguri, Borno

Department of Pharmacology, University of Maiduguri, Borno state.

Email: mustaphatijjani22@yahoo.com, Jamesyakubu96@gmail.com

ABSTRACT

This study was aimed at evaluation of phytochemical constituents and the effect of ethanol leaf extract of Piliostigma thonningii on the central and peripheral nervous systems in laboratory animals. Fresh leaves of Piliostigma thonningii were air-dried, pulverized extracted using soxhlet extraction technique with ethanol 148.24% w/w after being concentrated. The extract was screened for phytochemicals using standard methods. 20 g of the ethanol extract was subjected to column chromatographic (CC) analysis using ethylacetate and n-butanol as mobile phase at different ratios and silica gel of 60-120 mesh as the stationary phase. Fractions obtained with similar retention factor (Rf) using thin layer chromatography (TLC) were combined, coded and subsequently screened for phytochemicals. Subsequent purification of fraction PTE3 was carried out using CC (ethylacetate and methanol were used as mobile phase at different ratios) and TLC until a sub-fraction PTE34 amongst other fractions gave a single spot on TLC and had a melting point of 102-103 oC. The phytochemical studies of the ethanol leaf extract of Piliostigma thonningii revealed the presence of some useful chemical compounds such as flavonoids, cardiac glycosides, tannins, saponins, and terpenoids. The pharmacological effects of Piliostigma thonningii was determined by examining the effects of the leaf extract on phenobarbitone sleeping time, analgesic and muscle relaxant activities using experimental animals. The analgesic effect of the leaf extract was evaluated with acetic acid induced writhing and thermally induced Nociception for pain. It was observed that the extract conferred 48.00 and 57.20% protection from writhes induced by acetic acid on mice when extract doses of 200 and 400 mg/Kg were administered. Similarly, there was a significant (p<0.5) dose dependent effect conferred on mice when pain was induced by heat. The extract also had a muscle relaxant effect as 20%, 60% and 80% were observed to slide down an inclined board in a dose dependent manner. The extract also significantly potentiated sleeping time of phenobarbitone dose dependently in rats of which the mean time duration of (72.0±04.64) min, (83.40±02.11) min, and (123.60±11.57) min were observed when rats were administered extract doses of 200, 400 and 600 mg/Kg b wt. Thus the ethanol leaf extract of Piliostigmathonningii was able to providedepressant effects which were shown in its ability to potentiate barbiturate sleeping, analgesia and muscle relaxant effect.


QUALITY EVALUATION OF YOGHURT PRODUCED FROM BLENDS OF WHOLE MILK AND SOYBEAN POWDER

*Ome, A.P.1, Okeke-Okoye, C.J.2 and Ifediba, D.I.3

1’2Department of Food Science and Technology, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria.

3Department of Agricultural Technology/Processing, Anambra State Polytechnic, PMB 002 Mgbakwu, Anambra State, Nigeria.

*Email: talk2omepeter@gmail.com

ABSTRACT

The study was conducted to evaluate and compare the quality of yoghurts produced from blends of whole milk and soybean powder. Soybean powder was prepared from ground soybean seeds. Four samples of yoghurt product were used, namely; 100% whole milk powder, 30:70, 50:50 and 70:30 (soybean powder: whole milk powder) and analysed for physicochemical, proximate, and sensory properties. The results of the physicochemical properties of the samples ranged as follows: pH,total solid and total titratable acidity expressed as percent lactic acid 4.40 – 4.70, 10.33 – 13.30 and 0.46 – 0.64, respectively. There was no appreciable difference (P>0.05) in the physicochemical properties of the samples. The proximate composition of all the yoghurt samples had different levels of protein content (3.24%, 3.41%, 3.59%, 3.76%) respectively. Fat content (2.90% – 3.60%), moisture content (88.10% – 88.70%), ash content (0.50% – 1.00%) and carbohydrate content (3.14% – 5.44%), with Sample D (70% soybean powder, 30% whole milk powder blend) having the highest values in protein, ash contents, moisture and carbohydrate contents. The sensory evaluation showed that there was no significant difference (P>0.05) in texture and overall acceptability of the samples. However, there were significant differences in appearance, taste and flavour of the samples. Results from this study have demonstrated a further way of enhancing soy yoghurt production and acceptability.


INVESTMENT DECISION AND PROFITABILITY IN BREWERY INDUSTRY (A CASE STUDY OF NIGERIA BREWERY PLC)

*Adegbola Olubukola Otekunrin, Tony Ikechukwu Nwanji, Samuel Abiodun Ajayi, Frank Dayo, Awonusi, Adebanjo Joseph Falaye, Damilola Felix Eluyela

Department of Accounting and Finance,

Landmark University, Omu-Aran, Kwara State, Nigeria

Email: otekunrin.adegbola@lmu.edu.ng, nwanji.tony@lmu.edu.ng, ajayi.abiodun@lmu.edu.ng,awonusi.frank@lmu.edu.ng,falaye.adebanjo@lmu.edu.ng, eluyela.damilola@lmu.edu.ng

ABSTRACT

One of the problems faced by companies is that of making investment decisions. Since resources such as men, materials and money are limited, it therefore means that companies must have certain objectives in mind to enable them make rational decisions. The principal aim of this research work is to examine the rationale behind selecting  various types of investment open to companies vis-à-vis choosing that alternative course of action that yield the greatest future benefits. This project is primarily concerned with the strategies or techniques available to companies for evaluating investment proposals in relation to their expected return and risk in order to create and add value to the business. It was found in the study that various types of investment decisions are open to a company and that investment projects are carried out based on the cost and the funds available to the company. Also there are various techniques for measuring the payoffs from these projects. Finally, the project yields useful suggestions on how companies can improve their decisions on investment and thus their level of profitability.


CORPORATE GOVERNANCE: THE THEORETICAL PERSPECTIVE OF BOARD LEADERSHIP STRUCTURE AND THE FIRM PERFORMANCE

Bagudu, Ahmad Ibrahim & Bappa, Isa Magaji

Office Technology and Management (OTM) Department

Federal Polytechnic Bali, Bali, Taraba State.

Email: zibagudu@yahoo.com, bappamagaji@gmail.com

ABSTRACT

Corporate governance has been bounded by controversy due to the recent unfortunate events of unethical and irresponsible behavior by the managers as related to fraud and economic crises of international corporations. The purpose of this paper is to examine the theoretical and empirical literature on board leadership structure and the firm performance. The review willidentify the context in which corporate governance occurs as potential to international trends that focus on extensive body of knowledge on how CEO/Chair duality would influence the firm performance, and to figure out whether CEO/Chair duality has any certain impact on firm performance with reference to agency and stewardship theory, as there are mixed results produced by researchers. Finally, is of paramount important, if further theoretical studies are carried out to improve national and international standards concerning corporate governance with the aim of balancing the interests of organizations and their stakeholders.

Keywords: Corporate governance, Board leadership structure, Firm performance


BANKS LENDING RATE: PANACEA FOR MANUFACTURING SECTOR PERFORMANCE IN NIGERIA

Ighoroje Ese James

Department of Banking and Finance,

Delta State Polytechnic, Ozoro

ABSTRACT

The study seeks to evaluate the Banks Lending Rate: Panacea for Manufacturing Sector Performance in Nigeria. Data was sourced from the CBN statistical bulletin (various issues). The data were subjected to descriptive statistics and the Parsimonious Error Correction Mechanism of the OLS was used to test the hypotheses. It was find out that there is a significant relationship between sub-prime lending rate and the performance of the manufacturing sector in Nigeria. The study went further to recommend that the Central Bank of Nigeria should review downward the monetary policy rate.

KeywordsLending Rate, Manufacturing 


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