Physical Sciences and Engineering

Background: Neck pain is predictable among people of all ages, everyone faces trouble with neck pain because of thepoor posture and prolong use of electronic devices. College Students also experience neck pain as they spend most of the time in college. They work with faculty posture on computers, slouch on desk & carry backpacks on one shoulder etc; therefore, the study aims to find the prevalence of neck pain due to bad sitting posture in college students. Method: A cross-sectional study was used.

En République démocratique du Congo, un enfant sur deux est malnutri et cela constitue un problème de santé publique.Les projections internationales révèlent que sur un total de 52 millions d’enfants en malnutrition aiguë, 33 millions souffriraient de la malnutrition aiguë modérée. Objectif: déterminer les facteurs qui sont à la base de la malnutrition à Luwowoshi, en explorant: la prévalence de la malnutrition, le score de la sécurité alimentaire, le statut vaccinal, les connaissances et pratiques sur l’alimentation du nourrisson et du jeune enfant.

Background: Control of preoperative anxiety especially before cesarean section, is one of the most important goals of nursing care around the world. Aim of study : To determine the effect of acupressure on preoperative cesarean section anxiety. Methods: Forty primiparae undergoing elective cesarean section surgery, were selected from El Galaa Teaching hospital, Cairo, Egypt , their age ranged from 20- 35 years, and BMI was less than 30 kg/m2.

The purpose of this study was to determine the best fit model of public image among police non-commissioned officers. Specifically, it explored the interrelationship among variables including management style, gender equality practices and social support to public image. This study utilized quantitative research design and structural equation modelling. Data were sourced from 400 respondents taken from the four provincial police office and two chartered city police office of Region XII through proportionate sampling with the number of stations per office as the reference point.

The primary notion of gas leakage detection is the implementation of a protection framework for the detection of gas leakage in a closed environment. In the current situation, there are various criteria linked with gas leaks that have an influence on the lives and property of innocent people. This warning system, which can save people's lives, can be advantageous for businesses and homes. In this project, a SIM900 (GSM module) is utilised to complete the desired task by combining a gas sensor (MQ6), a buzzer, an Arduino UNO, a 5V stepper motor, and an LCD display.

The detection result of acoustic monitoring was compared to visual observations in a 4-D seismic survey. Data was collected on board The MV Osprey Explorer (Seabird)cruising at the speed of 4.6 ±4 nautical miles.

In this paper we present a java implementation of video telephony using the SIP protocol (Session Initiation Protocol). After a functional analysis of the SIP protocol and based on the work of researchers of the University Italian (University of parma-Italy) (University of parma-Italy)to acquire adequate libraries for the development of our communication tool.

This article was developed in order to model the integration of computer systems, GeoGebra and MS-Excel, in the teaching-learning process of Analytical Geometry at the Higher Institute of Educational Sciences in Cabinda, in order to reduce the difficulties that appear as, Lack of mastery of the basic concepts of Analytical Geometry, little motivation of students, limited understanding of the concepts of vectors, equations of lines, their representations and graphical interpretations in the plane and space, conic sections, quadric surfaces, poor preparation in the use of software mathematici

Solar energy is the radiative energy that comes from the sun. Solar radiation is electromagnetic in nature and its spectrum cover the ultraviolet (UV) through the visible (VIS) to the infrared (IR) part of the electromagnetic spectrum. The data used in this study was a 12 years average solar radiation data between year 2009 and 2021.

Naphthalimide has been widely used in probe research because of its unique structure. Therefore, using naphthalimide as matrix, a compound P was obtained by the reaction of pyridine-2-formaldehyde with naphthalimide derivative. Among the tested metal ions, the addition of Hg2+ to the solution of P in ethanol quenched the fluorescence of P at 525 nm, and a linear relationship between fluorescent intensity tothe concentration of Hg2+ in the range of 2.0×10-6-1.6×10-5 M was observed.