Physics

Fabrication And Characterization Of Dye Sensitized Solar Cells (Dsscs) Using Natural Dyes Obtained From Leaves Of Xanthosoma Saggitifolum, Mimosa Pudica, Delonyx Regia And Dacryodes Edulis :- Ujoatuonu, Amaka L

ABSTRACT

 

Different natural dye extracts were prepared and used as sensitizers in the fabrication of dye sensitized solar cells (DSSCs). In this work, prior to the sprayed nanoporous TiO2 layer...

153 pages (32155 words) · Dissertations · 2 months ago

Contributions of Howusu’s Great Metric Tensor To General Relativity:- Ukewulonu, Kelechi U

ABSTRACT

Following the birth of general relativity, there have been attempts to solve Einstein's field equation. Schwarzschild solution is one of the solutions that have stood the test of time....

40 pages (7872 words) · Theses · 3 months ago

Investigative Study Of The Inhibitive Properties Of Some Extracts In Acidic And Alkaline Media Of Aluminum Alloy (AA4007):- Emea, Ajike E

ABSTRACT

The effectiveness of Garcinia kola and Irvingia gabonensis leaves extract in inhibiting aluminum corrosion in 1M HCL and 1M NaOH media were investigated. The phytochemical analyses of ...

164 pages (24267 words) · Theses · 3 months ago

Adsorption Study Of The Inhibiting Effects Of Some Plant Extracts (Barteria Fistulosa And Spondias Mombine) On The Corrosion Of Mild Steel And Aluminium Alloy (AA2024) in 1 M HCl and 0.5 M NaCl:- Kalu Dede O.

ABSTRACT

Inhibiting eects of Barteria fistulosa and Spondias mombin leaves extract on the corrosion of low carbon steel and aluminium alloy (AA2024) in 1M HCl and 0.5 M NaCl solution was...

104 pages (26635 words) · Dissertations · 6 months ago

Geoelectrical investigation of Aquifer potentials and subsurface lithology in Akwa Ibom State polytechnic Ikot Osurua campus, Akwa Ibom State, Nigeria:-Inyang, Udeme U

ABSTRACT

The study was carried out to investigate the aquifer potentials and subsurface lithology in Akwa Ibom State Polytechnic Campus Ikot Osurua. The Study area lies between latitude 5ᴼ091 and 5...

32 pages (9681 words) · Theses · 7 months ago

Optical Characterization of Optimized Nickel Sulphide Thin Film" with Various Complexing Agent:- Adeyemi, Abiodun A.

ABSTRACT

The deposition of NiSO, thin films was deposited using chemical bath deposition technique (C.B.D) at room temperature. The spectral absorbance of the film was measured using a...

47 pages (8329 words) · Projects · 7 months ago

Design and Construction of Door Locking Security System Using Global System for Mobile Communication (Gsm):- Nwagwu Silas C.

 

ABSTRACT

This project presents a prototype security door that can be remotely controlled by a GSM phone set acting as the transmitter and another GSM phone set with a dual tone...

59 pages (9374 words) · Projects · 7 months ago

Structural and Tectonic Interpretation of Nkalagu Environ using Aeromagnetic Data:- Igbokwe, Sampson C. U

ABSTRACT

Aeromagnetic survey is la geophysical survey that is carried out using a magnetometer aboard or towed behind an aircraft. It measures and records using the sensor, the total I I...

95 pages (20176 words) · Theses · 7 months ago

Construction And Implementation Of Flood Control With Autodry Dam Open And Close System Using Level Sensor:- Ekeigbo Chinyere A

ABSTRACT

The world as a whole and Nigeria, serious challenge with an increasing frequency offlood in recent years. It is therefore crucial to utilize the state-of-the-art sensing and activation...

58 pages (10295 words) · Projects · 8 months ago

Construction And Testing Of An FM Transmitter:- Ugbogu, Prince J.

ABSTRACT

 A frequency modulated (FM) transmitter has been successfully constructed and tested. The transmitter transmits radio wave at a frequency range of 88MHz to 108MHz. The reception is...

56 pages (7929 words) · Projects · 8 months ago

: Effects OF Mercury and Nickel Impurities on the Optical, Electrical and Structural Properties of Copper Sulphide (CuS) Thin Films Prepared by Chemical Bath Deposition Technique :-Mgbaja, Elizabeth C.

ABSTRACT

 Thin films of copper sulphide (CuS) with varying concentrations of mercury (Hg) and nickel (Ni) impurities (0.0 I M-0.03M) were grown on glass substrates at room temperature (300K)...

101 pages (19697 words) · Theses · 10 months ago

Construction And Implementation Of a 1.KVA inverter:- Nduka, Obinna

ABSTRACT

This project ( I KY A inverter) was built using locally sourced electrical components, and a 12V DC battery as its power source. The basic principle of operation of this device is a simple...

63 pages (9508 words) · Projects · 1 year ago

Construction And Testing Of Sound Activated Switch:- Onweagba, Victor E.

ABSTRACT

This project has been selected because of its applicability in our day to day and its potential to conserve power using locally assembled electronic components. The device sound activated...

57 pages (7240 words) · Projects · 1 year ago

Construction Of An Automatic Changeover Display Using A Micro-Controller:- Udeh, Chukwuemeka R.

ABSTRACT

An automatic change over display with micro controller is designed to switch electric current from main power source to an alternative power supply (generator) without human intervention....

36 pages (6490 words) · Projects · 1 year ago

Construction Of A Smoke Detector With Indicator With Light And Alarm:- Alaribe, Chijindu V.

ABSTRACT

This project presents the possibility of using electronic components to produce a safely device. The device is a smoke detector which has been constructed using components such as...

55 pages (8076 words) · Projects · 1 year ago

Construction And Testing Of 1kva Inverter:- Hyacinth, Uzochukwu J.

ABSTRACT

This project is titled construction and testing of a direct current (de) to alternating current (ac) inverter system. It is constructed to meet up with the power demand in offices and home...

70 pages (11903 words) · Projects · 1 year ago

Construction And Testing Of An Automatic Security Light System Using Photovoltaic Cell:- Chigbu, Ihuoma E.

ABSTRACT

 Over the years, security posed a major concern at night due to the total darkness. The need to supply light without manually switching it on and off arises as years roll by. AC...

59 pages (10120 words) · Projects · 1 year ago

Construction Of Automatic Street Lighting System And Power Supply Fault Analysis:- Akpan, Ime S.

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49 pages (6306 words) · Projects · 1 year ago

Construction And Testing Of Water Reservoir Monitoring And Pump Control Station Using Mobile Automation Systems:- Nmesirionye, Chimaobi

ABSTRACT

Water Reservoir monitor and Pump Station Control using mobile Automation System (WRMPCS) exploits the electrical conductivity ofwater to give indication ofreservoir levels and ultimately,...

71 pages (13083 words) · Projects · 1 year ago

Construction And Testing Of Automatic Water Level Monitor System In Overhead Tanks:- Ejikeme, Eliezer I.

ABSTRACT

 An automatic water level monitor system has been successfully design and constructed. It displays the water level when the overhead tank is quarter full, half full and when it is...

42 pages (7472 words) · Projects · 1 year ago

Construction and Testing of Earthing Fault System Monitor for Industrial Appliance Control:- Okeh, Nnaemeka D.

ABSTRACT

The world is ageing, technology is improving and knowledge is increasing. In the developed countries of the world, proper earthing system measure are implemented for the safety of life and...

45 pages (6617 words) · Projects · 1 year ago

Geophysical Foundation Investigation for Mult-Storey Complexes in Michael Okpara University of Agriculture Umudike:- Eme, Ukoha K.

ABSTRACT

In order to determine the competence ofthe near surface Formation as foundation materials of multi-storey complexes at Michael Okpara University of Agriculture Umudike a Geophysical...

73 pages (10498 words) · Projects · 1 year ago

Construction And Implementation Of A Liquid Leakage Detector System:- Ugwunna, Augustus C.

ABSTRACT

A leakage detection system is a system, constructed lor detecting a leak through a closed valve installed between upsticam pipes and downslieam pipes of an industiial piocess I he liquid...

52 pages (7766 words) · Projects · 1 year ago

Construction And Testing Of Solar Automatic Street Light System For Remote Control Area:- Anyatonwu, Johnson C.

ABSTRACT

The Street Light System with Solar Panel Sensor is a sensitive device with great efficiency of photo detection. In this work, I used a solar panel, 12V battery, comparator, relay, LED and...

50 pages (7826 words) · Projects · 1 year ago

Phonons Dispersion Relations In Chalcogenide Semiconductors:- Uzoma, Juliet E.

ABSRTACT

Phonon is a quantum of vibrational energy and the phonons density of state gives the number of modes per unit frequency per unit volume of real space. The entire set of all possible...

35 pages (4306 words) · Projects · 1 year ago
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