Natural & Applied Sciences

Natural & Applied Sciences Research Papers/Topics

The Effect of Oil Price Shocks on Inflation in Tanzania - an Autoregressive Distributed Lag and Vector Autoregressive Approach

Abstract: The import for oil in the whole world and particularly in Tanzania is heavily increasing due to the increasing number of cars, motorcycles, industries, and other machines for their operations. However, the imported oil has been going along with the imported inflation in the country. It is well known that a strong and stable inflation influences the economic growth of a country since it inspires investments, and enhances the consumers to afford purchasing of goods and service a...

Determination of Vanillin and its Adulterants in Consumer Ice cream using High Pressure Liquid Chromatography

AbstractThe paper focuses on the determination of the concentration of vanillin in six types of ice creams purchased from supermarkets Aldi and Sainsbury’s. Similar areas of research haven’t calculated the extraction efficiencies of their proposed methods. In addition to there being no extensive attempts to determine if any adulterants within the selected vanilla ice creams are present. 

Effect of Drying on Chemical Constituents of Peel Essential Oils of Cleopatra Mandarin (L) Grown in the North Central of Nigeria

ABSTRACT: In this study, the oil extracts from fresh and dried peels of Cleopatra mandarin were isolated and characterized via GC-MS technique. Also the study established both quantitative and qualitative variation in chemical constituents of the essential oils of Cleopatra mandarin (L) cultivated in the North central of Nigeria. Fresh and dried pulverized peels of Cleopatra  mandarin (500g) were separately hydro distilled and afforded oil in the range 0.2- 0.8%(w/w) respectively. GC/MS...

Asap: A Stochastic Adaptive PCA Method For Increasing Block Size Setting

Abstract We propose Asap, an adaptive stochastic optimization algorithm for principal component analysis (PCA), in the increasing block size setting. Asap is a novel generalized variant of the classical Oja’s algorithm (Oja, 1982), but can compute top-k principal components without the necessity of tuning the step size. Asap performs PCA by first-order gradient-based optimization based on adaptive estimates of lower-order moments as with Adagrad and Adam. We provide a theoretical guarantee ...

The Application of Data Dimensional Vector Matrix in Machine learning and Data Science

Abstract: Let us suppose we are given a super‐maximal random variable ࢔ .The goal of the present article is to characterize Riemannian vector spaces. We show that ࡳ (࢜) is comparable to ࢃࣈᇲ ࢈, . Every student is aware that ࣊ .૙ > Unfortunately, we cannot assume that ‖ࡴ ≤ ‖࢞. It is well known that 1 ≠ ℵ଴ . Hence it was Bernoulli who first asked whether curves can be described. We wish to extend the results of [33] to connected hulls. In [29], it is shown t...

Optimization of Data Resources with Measurability in Complex Group Theory

Recent developments in pure logic [14] have raised the question of whether Noether’s condition is satisfied. On the other hand, it was Germain who first asked whether Monge manifolds can be constructed. The goal of the present paper is to classify trivially bijective subgroups. On the other hand, in [11], the authors studied local subgroups

On Ellipticity on geometric derivation for Computer vision and Machine Learning

It was von Neumann who first asked whether super‐totally continuous paths can be computed. Here, uniqueness is clearly a concern. The work in [29] did not consider the canonically right‐standard case. In this setting, the ability to study countably super‐separable fields is essential. It was Huygens who first asked whether locally ܿco‐bijective, geometric, partially standard primes can be extended. Hence is it possible to examine ordered matrices?

Ameliorative Potential of Bambara Nuts (Vigna subterranea (L.) Verdc) Extract against Acute Ethanol-Induced Oxidative Stress in Wistar Rats

Abstract The aim of this study was to determine the ameliorative potential of Bambara nuts extract against acute ethanol-induced oxidative stress in Wistar rats. Bambara nuts of the Songkhla 1 variety locally sourced in Obinze area of Owerri, Imo State, Nigeria were powdered using a coffee grinder and an extract obtained from a Soxhlet apparatus with methanol as solvent. Twenty-four adult male Wistar rats were acclimatized for seven days and were randomly divided into four groups of six rats ...

Effect of Bambara Nut Consumption on Blood Glucose Level

Aim: This study sought to investigate the effect of Bambara nut consumption on blood glucose level and lipid profile of Wistar rats.Methodology: The Songkhla 1 variety (red seed coat) of Bambara nuts were locally sourced from   Obinze area of Owerri, Imo State, Nigeria. The seeds were peeled and ground to a fine powder using a coffee grinder and extracted using soxhlet apparatus and methanol as the solvent. Twenty four adult male Wistar rats were acclimatized for seven days during which the...

Qualitative Determination of Phytochemical Composition of Ethanolic Extract of Xylopia aethiopica Fruit

Aim: The aim of this study is to qualitatively determine the phytochemical compositions of ethanolic extract of Xylopia aethiopica fruit.Methodology: The fruits of Xylopia aethiopica were obtained from new market in Aba, Abia State and were identified and authenticated by Prof. (Mrs) Margaret Bassey of the Department of Botany and Ecological Studies, University of Uyo with the voucher number UU/PH/4e. The plant was deposited in the Herbarium of the Department of Pharmacognosy and Natural Medi...

The Study of Ethnobotanical Uses by Local Healers in Taktse Chiwog from Central Bhutan

Aim: To document the ethnobotanical uses in Taktse Chiwog (Village blocks) by local healers Study Design: Semi-structured interview and direct interview was conducted with the prior approval from the Chiwog official. Two local healers/informants were contacted for interview before field visits based on their popularity and experience of using medicinal plants in their locality. Place and Duration of Study: The study was conducted at Taktse Chiwog, Trongsa Dzongkhag, Bhutan between July and O...

Ethnobotanical Study on Wealth of Homegardens in Gosiling Gewog of Tsirang District

Aim: To document the medicinal uses of homegarden plants by local healers. Study Design: Semi-structured interview was conducted with the prior approval from the gewog official. Five local healers were contacted for interview before field visits based on their popularity and experience of using medicinal plants in their locality. Place and Duration of Study: The study was conducted at Gosiling gewog, Tsirang District, Bhutan between May and June 2016. The homegarden and agricultural pract...

Models Of Tensile Behaviour Of Meta-Stable Fe-Mn-Mo Alloys

ABSTRACT  A semi-mechanistic model for predicting the flow behaviour of Fe-Mn-Mo steels displaying transformation-induced plasticity is developed in this paper. The model, based on the law of mixtures, takes into account the work-hardening of the individual principal phases (namely, lath-martensite and austenite/epsilon martensite). The composite strength of such a steel may be given by a modified law of mixtures which incorporates a dislocation density effect. To test the validity of the m...

E-Government Adoption And Framework For Big Data Analytics In Nigeria

ABSTRACT The continuous advances in today’s digital universe and integration of computing into virtually every facet of human life are no doubt making the concept of Big Data a ubiquitous paradigm for deploying novel technologies/applications hitherto not practicable by conventional methods. Big Data, a general term for the massive amount of digital data being generated from different sources, extremely large, structured/unstructured too complex for analysis through conventional relational...

TCP/IP Protocol-Based Model For Increasing The Efficiency Of Data Transfer In Computer Networks

ABSTRACT This chapter provides solutions for increasing the efficiency of data transfer in modern computer network applications and computing network environments based on the TCP/IP protocol suite. In this work, an imitation model and simulation was used as the basic method in the research. A simulation model was developed for designing and analyzing the computer networks based on TCP/IP protocols suite which fully allows the exact features in realizing the protocols and their impact on inc...


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