Browsing Open Access Journals by Title
Now showing items 172-191 of 831
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Decisive Parameters for Backwater Effects Caused by Floating Debris Jams
(Scientific Research, 2015-12)The dimensional analysis of the backwater effect caused by debris jams results in the Froude number of the approach flow in the initial situation prior to debris jam formation and the debris density as decisive parameters. ... -
Definition of Increasing the Fibre Capturing Surface of Saw Teeth of Cotton Ginning Machine through Mathematic Modelling
(2011-06)Theoretical and the experimental researches executed in Uzbekistan and abroad explored some ways of a substantiation of a rational profile of a tooth of a saw and its fibre capturing ability. Despite that, untill now, optimum ... -
Delay and Its Time-Derivative Dependent Stable Criterion for Differential-Algebraic Systems
(Scientific Research Publishing, 2016-06)In this paper, the stable problem for differential-algebraic systems is investigated by a convex op-timization approach. Based on the Lyapunov functional method and the delay partitioning approach, some delay and its ... -
Demonstrating Effect of Rainfall Characteristics on Wheat Yield: Case of Sinana District, South Eastern Ethiopia
(Scientific Research, 2017-05)Demonstrating Effects of Current and Projected Rainfall Characteristics on Wheat yield has been investigated in Sinana district for the period 1995-2016. Data on rainfall and crop yield for the period 1995-2016 were ... -
Dengue Vaccines: Challenge and Confrontation
(Scientific Research, 2011-11)Dengue has been recognized as one of the most important vector-borne human diseases. The disease is induced by dengue virus infection resulting from the bite of an infected Aedes spp. mosquito after imbibing the tainted ... -
Density Functional Study of Molecular Orbitals of Ferrocene and Cobaltocene Molecules
(2016-10)The electronic structure and geometry optimization of ferrocene and cobaltocene molecules are calculated using DFT/B3LYP with the basis set of 6-31G (d). The Eigen values, Eigen vector and population analysis of the molecules ... -
Description of Nitrincola elmenteitensis sp. nov.; a haloalkaliphilic bacterium isolated from Lake Elmenteita in Kenya
(African Science Publications, 2020-07-09)A bacterial strain designated E-48T was isolated from Lake Elmenteita, an alkaline saline lake within the East African rift valley. The cells were Gram-negative, motile, non-spore forming rods. Growth was observed at a pH ... -
Design of a Low Loss RF Mixer in Ku-Band (12 - 18 GHz)
(Scientific Research Publishing, 2012-01)The goal of this paper is to design and develop low conversion loss mixers at Ku Band (12 - 18 GHz) in microstrip line configuration. The Ku-band (Kurtz-under band) is primarily used for satellite Communications, particularly ... -
Design of an Acoustic Communication System Based on FHMA for Multiple Underwater Vehicles
(Scientific Research Publishing, 2010-07)This paper designs an underwater acoustic communication system based on tamed spread spectrum and Frequency Hopping Multiple Access (FHMA) for multiple underwater vehicles. In this system, multiple underwater vehicles can ... -
The Design of an Intelligent Security Access Control System Based on Fingerprint Sensor FPC1011C
(Scientific Research, 2010-07)This paper deals with the design of an intelligent access control system based on the fingerprint sensor FPC-1011C. The design uses the S3C2410 and TMS320VC5510A as the system processor. A fingerprint acquisi-tion module ... -
Design of Aperture Coupled Microstrip Antenna Using Radial Basis Function Networks
(Scientific Research Publishing, 2010-10)This paper, two Artificial Neural Network (ANN) models using radial basis function (RBF) nets are developed for the design of Aperture Coupled Microstrip Antennas (ACMSA) for different number of design parameters. The ... -
Design of Low Power and High Speed CMOS Comparator for A/D Converter Application
(Scientific Research Publishing, 2012-04)This paper presents an improved method for design of CMOS comparator based on a preamplifier-latch circuit driven by a clock. Design is intended to be implemented in Sigma-delta Analog-to-Digital Converter (ADC). The main ... -
Detecting Ultra-Violet Radiation by Using Titanium Dioxide Nanoparticles
(Scientific Research, 2012-07)In this paper sensitivity of chemically synthesized titanium dioxide (TiO2) nanoparticles to ultra-violet (UV) radiation is investigated. For this purpose three types of ultra-violet photodetectors were fabricated, one ... -
Detection of Helicobacter pylori among gastritis patients attending Nemba district hospital
(African Journal of Biological Sciences, 2019-10-01)Background: Helicobacter pylori (H. pylori) is a small, spiral-shaped bacterium that lives in the surface of the stomach and duodenum. More than half of the world’s population is colonized with H. pylori in the gastric ... -
Detection of mycotoxins in opaque beer production
(African Science Publications, 2020-10-05)In Zimbabwe opaque beer is one of the most common alcoholic beverages. This study was aimed at detecting aflatoxins and Ochratoxin A (OTA) in commercial opaque beer brewing. Aflatoxins and OTA are mycotoxins produced by ... -
Determinants of Oil Futures Prices
(Scientific Research, 2016-08)This study is directed at predicting the determinants of oil futures prices. We evaluate commodity pricing with oil occupying a special position due to highly inelastic demand. Given the sudden fall in oil prices, there ... -
Determinants of Vertical Integration: Investment Efficiency, Product Differentiation and Firm Size
(Scientific Research, 2018-04)This study examines the determinants of Merger and Acquisition (M & A) when manufacturing firms integrate with retailing firms. We examine a manufacturing duopoly in which each upstream firm sells the output to its ... -
Determination and inheritance of phytic acid as marker in diverse genetic group of bread wheat
(Scientific Research Publishing, 2013-07)Phytic acid (Myo-inositol 1,2,3,4,5,6 hexa-kisphophate) is a storage form of phosphorus and can accumulate to the levels as high as 35% in the wheat kernel. Phytic acid acts as an inhibitor for macronutrients as well as ... -
Determination of Accuracy of Nursing Diagnoses Used by Nursing Students in their Nursing Care Plans
(2013)Aim: The aim of this study was to determine and evaluate appropriateness of nursing diagnoses with NANDA taxonomy used by second year nursing students in their nursing care plans. Methods: Retrospective design. Findings: ...