Science essays

Fuels are materials such as coal, gas, or oil that is burned to produce heat or power. The various types of fuels like liquid, solid and gaseous fuels are available for firing in boilers, furnaces and other combustion equipments. The selection of right type of fuel depends on various factors such as availability, storage, handling, … Read more

Parasitism arose early in the course of biological evolution (parasitology Photostat page.nio 3) Parasitic diseases have been with the mankind since the time immemorial. Even today, these diseases remain among the major cause of human misery and death in the world and are important obstacles to the development of economically less- favored countries. Medical Parasitology … Read more

CHAPTER-1 INTRODUCTION 1.1 Project: Title: “Condensation Design Modification and Purity Improvement of Methyl Bromide (MBr)” 1.2 Project Synopsis: The research synopsis is the plan for your research project. It provides the rationale for the research, the research objectives, the proposed methods for data collection and recording formats and/or questionnaires and interview guides. 1.2.1 Problem defines: … Read more

Hardness of Water: Causes of hardness, expression of hardness – units – types of hardness Hardness is defined as the concentrations of calcium and magnesium ions which is expressed in terms of calcium carbonate. These minerals in water can cause a few day to day problems. They react with soap to produce a deposit called … Read more

Microbial enzymes are identified to play a central role as metabolic catalysts, leading to their usage in various productions and applications , the end usage market for industrial enzymes is tremendously wide-spread with frequent industrial profitable applications (Adrio, et al., 2005). Over 500 industrial products are being complete using enzymes (Kumar, and Singh, et al., … Read more

ABSTRACT This in-vitro experiment conducted to test antimicrobial activity of different toothpastes on dental bacteria. Five brands of toothpastes namely Colgate Total, Oral-B Pro-expert, Siwak.F, Aloe Dent and Dabur Herbal were tested for their antimicrobial activity on Staphylococcus auresus, Staphylococcus epidermidis, E-coli and cariogenic bacteria Streptococcus mutans using agar disc diffusion method at different concentrations, … Read more

Molecular Design and Geometry Structuresand Stability for PyrroleSubstitutes, DFT study as Organic Solar cell system (One Anchoring System) The theoretical electron properties ofPyrroleSubstitutes( S1, S2, S3, and S4 ) were carried out by using quantum chemical calculations. The optimized structures were obtained by the Density Functional Theory DFT/B3LYP level of theory using the basis set … Read more

CHAPTER 1 INTRODUCTION 1.1 OVERVIEW The second half of the twenty th century is marked not only by social changes; but also intensive and thorough investigations in fundamental and applied science. Two aspects are to be of the paramount importance in the field of navigation 1) creation of global satellite navigation systems, such as Transit, … Read more

Animal-based research has played a key role in understanding infectious diseases, neuroscience, physiology, and toxicology.110 It became essential in DR, as well, allowing the enhanced understanding of the cellular and molecular aspects of the pathogenesis of DR, and thus for developing new and better treatments.111 During the last two decades, several animal species, such as … Read more

1.1 Introduction The observed increase in human numbers requires the establishing of huge factories to meet consumer needs such as furniture, vehicles, electrical appliances, and others. The operation of such factories by standard fuels increases the ratio of pollution due to their residual toxic gases that are the result of fuel arson. From this, a … Read more

AT VADODARA, GUJARAT, INDIA INTRODUCTION The study of the relationships between living things and their environment is known as ecology. Ecology, as a science, deals with interactions of all organisms within the environment. These interactions not only Encompass between-species interactions (e.g., plant-animal interactions), but also interactions between individuals Of the same species (e.g., sibling relations; … Read more

Reversible protein phosphorylation is extremely important in regulating many intra- and inter-cellular processes and is orchestrated by protein kinases and protein phosphatases, which attach and remove a phosphate group from a substrate protein, respectively [1]. This post-translational modification can alter the activity, conformation and subcellular localization of target proteins in various signaling pathways, thereby affecting … Read more

List of Figures Figure page Figure 1: Schematic representation of adsorption process 8 Figure 2: the chemical structure of Acetic acid 8 Figure 3: Scanning Electron Microscope Images of Activated carbon Pores 10 Figure 4: representation of acetic acid adsorption 10 Figure 5: a picture of my lab work 12 Figure 6: the thermostat used … Read more

2.1 Introduction 2.2 Divisions within the human nervous system 2.3 Divisions and functions of the peripheral nervous system 2.3.1 Somatic nervous system 2.3.2 Autonomic nervous system 2.4 Meninges and cerebrospinal fluid 2.4.1 The dura mater 2.4.2 The arachnoid mater 2.4.3 The pia mater 2.5 Motor and sensory pathways in the spinal cord 2.5.1 Sensory tracts … Read more

3.1 Introduction Chemical industries alone contribute at an alarming rate in the production of different industrial products. The categories of chemical products are generally grouped into basic chemicals, specialty, fine chemicals, plastics and fibers, pharmaceuticals, paints and coatings etc. Chemical companies has employed nearly one million workers in USA including more than 90,000 scientists, chemists … Read more