![The Journal of e-Science Letters [ISSN 3041-5454 (Online)]](https://scienceletters.researchfloor.org/wp-content/uploads/2026/08/logo.jpg){kind=logo}
I.Introduction Water is essential for all life on Earth and plays a critical role in maintaining a stable climate. Few chemicals impact the natural world as profoundly as water, whose…
IntroductionIndex Introduction Household heating remains one of the most energy-intensive domestic activities, particularly in developing economies where biomass contributes over 60% of total thermal energy use [1]. Despite the availability…
1.0.Introduction Phytopathogenic bacteria infect a large spectrum of food-producing plants worldwide (1). Despite its high economic and nutritional value, pomegranate farming is hampered by a variety of phytopathogenic bacteria that…
Introduction Pesticides are among the most widely used chemical agents in modern agriculture, playing a major role in improving crop yield and controlling pests. However, their extensive use has raised…
1. INTRODUCTION Electrical distribution substations play a vital role in the reliable delivery of electric power to end users by stepping down transmission voltages and distributing power to consumers. The…
Introduction Malaria is transmitted throughout Angola. 100 percent of the population (# 40 million) is at risk of the disease. Malaria remains a primary health burden in the country and…
INTRODUCTION Plastics have become indispensable in modern society, serving a multitude of purposes from agriculture to packaging [1]. However, the rampant accumulation of plastic waste globally has triggered significant environmental…
Introduction Global security challenges are evolving in scope, complexity, and consequences, thus creating humanitarian crises that transcend borders and affect vulnerable populations across Continents, Regional, Sub-Regional and National lines. Its…
1. Introduction The increasing use of synthetic pesticides in agriculture and domestic pest control has raised serious public health and environmental concerns. Among these chemicals, dichlorvos (2,2- dichlorovinyl dimethyl phosphate;…
INTRODUCTION Tea (Camellia sinensis) leaves yield extracts rich in polyphenols (10-13%) and caffeine (2-4%) [9; 34], known for strong antioxidant properties and diverse human health benefits [13]. The specific chemical…