<abstract xmlns="http://www.w3.org/1999/xhtml">

The design and prototype implementation of a subset of an African indigenous language-based programming language has been carried out and reported. In this study, an evaluation of the processor developed for the native language-based programming language was carried out in order to assess its level of conformance to the characteristics required of a good software product as set by the international organization for standardization (ISO). The developed language processor was evaluated using some metrics for evaluating the quality of software systems including structural and time complexity. A usability test was also conducted to assess users’ perception of the system concerning its relevance and ease of use. The result of system evaluation indicated that the system contains 1558 lines of code, its cyclomatic complexity is 14 and its asymptotic time complexity is of order big oh O (n3), where n is the size of the input to the system. Over 86% of the participants in the usability test attested to the system’s relevance while the usability rating was 86%. The developed system can be inferred to be of good quality as the results of its evaluation are positively on the high side for satisfying most of the ISO criteria for adjudging a software product as being of good quality. Furthermore, the high usability rating for the system indicates that the programming language whose compiler was evaluated satisfies most of the criteria set by the Department of Defense (DOD) for assessing the ‘goodness’ or otherwise of a programming language.
</abstract>

Department of Computer Science and Engineering

An Evaluation of a Language Processor for an African Native Language-based Programming Language

<abstract xmlns="http://www.w3.org/1999/xhtml">

In this study, rattan corncob composite materials were developed and their mechanical properties were determined. This was with a view to producing alternative composite materials for automobile applications. Dried corncobs and rattan cane were crushed, treated with caustic alkali NaOH (aq) and transferred into a water bath machine to reduce the hydrophilic nature of the fibres in the polymer. The shredded corncobs and rattans cane were sun-dried after the treatment to remove the moisture content and were further pulverized and sieved to obtain 400μm particle size. Compositions of the particles were varied for seven samples with the binder kept constant at 80wt% of the whole mixture and forming them into particle panels using a metal mould. The process was repeated in order to obtain three replicates to get the exact mean value. The produced panels were tested for density, water absorption, tensile strength and modulus, flexural strength and modulus, and optical microstructure. The results revealed that the densities ranged between 1.06g/cm3 to 1.30g/cm3, the water absorption properties ranged between 0.87% to 4.55%, tensile strength ranged between 42MPa to 90MPa, tensile modulus ranged between 2.2GPa to 5.9GPa, flexural strength ranged between 50MPa to 70MPa and flexural modulus ranged between 1.5GPa to 2.7GPa. It was concluded that the developed composite materials have good mechanical properties and could serve as alternative materials for making automobile accessories like bumpers and spoilers. It could also help in solving the problem of environmental pollution caused by open burning.
</abstract>

Mechanical characteristics of Biomaterial Particles Reinforced Epoxy Resin Composites for Automobile Accessories

<abstract xmlns="http://www.w3.org/1999/xhtml">

Due to the challenges associated with breast cancer prognosis, this study examined sialic acid levels based on subtypes, grades and therapeutic courses among breast cancer patients presenting at Ahmadu Bello University Teaching Hospital (ABUTH) in North-Western Nigeria between June 2019 and December 2020. This was a cross-sectional study. Sociodemographic characteristics, total sialic acid (TSA), free sialic acid (FSA), bound sialic acid (BSA) and haematological parameters were determined. The mean age of the respondents was 47.46 ± 10.71 years, and the modal age range was 41-50 years. About 40% of the patients had triple-negative breast cancer subtype, and 83.1% had invasive carcinoma. There was an association between breast cancer grade and body mass index (χ2= 26.306, P= 0.001). The TSA, FSA and BSA concentrations were significantly (P&lt;0.05) higher in luminal A and triple-negative breast cancer patients when compared to apparently healthy controls and were highest in stage IV patients. The TSA correlated with the third and sixth chemotherapy courses. Significant (P&lt;0.05) decrease was observed in PCV and Hb among the breast cancer patients irrespective of subtype compared to healthy control. The results suggest that TSA, FSA and BSA were higher in breast cancer patients, necessitating further research on their possible prognostic implications.
</abstract>

Department of Biochemistry, Faculty of Life Sciences

Ahmadu Bello University Teaching hospital Zaria

A Cross-Sectional Study of Sialic Acids Level in Breast Cancer Patients Attending Ahmadu Bello University Teaching Hospital Zaria, North-Western Nigeria: Preliminary investigations and Implications on Disease Subtypes, Grade and Chemotherapy Courses

<abstract xmlns="http://www.w3.org/1999/xhtml">

Evaluation of the shallow geologic materials in terms of types, nature, and bedrock structure as possible causes of pavement failure was carried out along Oloko road Apatatpiti, Akure, Nigeria, using Schlumberger vertical electrical sounding and 2-D imaging dipole-dipole techniques. Three lithological layers, namely thin top soil, weathered layer and weathered basement, were revealed by the 2-D resistivity structure. Vertical electrical soundings were made at locations with a very low resistive medium typical of linear features such as fractures/faults at some distances on the 2-D resistivity structure. Four geologic layers, namely the top soil, clay/sandy clay, fractured basement, weathered/fresh basement, were identified by the geoelectric section. The geoelectric section and the 2-D resistivity structure revealed that the upper 0-6m, which constitutes the subgrade, has a low resistivity (36 Ωm to 108 Ωm) characterised to be clayey materials and suggestive of weak zones that might impair the stability of the road. A relatively shallow depth, ranging from 3.7 m to 4.29 m, was the depth to the water table of the four wells close to the road. Therefore, the possible causes of pavement failure are the thick and low resistive layer, the near-surface linear features suspected to be fractures/faults, and the water table’s shallow depth.
</abstract>

Subsurface Investigation for Road Construction Using Electrical Resistivity Method along Oloko road, Apatapiti, Akure, Ondo State, Nigeria

AHEAD OF PRINT

Volume 8 (2023): Issue 2 (December 2023)

Volume 8 (2023): Issue 1 (June 2023)

Volume 7 (2022): Issue 2 (December 2022)

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Volume 6 (2021): Issue 2 (December 2021)

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Volume 4 (2019): Issue 2 (December 2019)

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Volume 3 (2018): Issue 2 (December 2018)

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