Background There is no doubt that some of the most crucial transformations in the organic chemistry synthesis are the ones that create new carbon-carbon bonds. This new bond formation reactions produce many significant molecules that range from very simple compounds to very complex systems such...
Memantine represents a new class of therapeutic agent with efficacy for the symptomatic treatment of moderately severe to severe Alzheimer’s disease (AD) with moderate affinity, uncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist with strong voltage-dependency and fast kinetics. Treatment with high therapeutic dose of memantine 10 mg/kg...
Mrs. Batcha 816 December 2017 Research paper How does temperature affect the speed of a chemical reaction? How the temperature affects the chemical reaction rate is by increasing the temperature causes molecules to move faster, so there’s an increased chance of them colliding with each...
Nanoporous gold is basically made by selective decomposition of silver from silver-gold alloys. Due to its excellent conductivity, high surface area to volume ratio, chemical inaction, physical stability, easily tunable pores, and plasmonic properties which has taken place a huge field in the field of...
A titration is a commonly used laboratory technique where a solution of a known concentration (the titrant) is used to determine the concentration of another solution (analyte). We slowly add the known solution with a buret to the unknown solution until it reaches neutralization, indicating...
Art materials such as paints are being used by numerous people of all ages, whether a person is a child, middle-aged or old. It is known that certain metallic compounds or chemical that contains metals can be found in these can cause problems particulary in...
Radical cyclization reactions produce mono- or polycyclic products through the action of radical intermediates. Because they are intramolecular transformations, they are often very rapid and selective. Selective radical generation can be achieved at carbons bound to a variety of functional groups, and reagents used to...
Introduction Electric propulsion has taken over the chemical propulsion system in space travel due to its high efficiency with less amount of propellent. We are all aware that Xenon is used as a propellent for the plasma thrusters. This article mainly deals with discussing an...
“Towards digital soil morphometric”, author described how proximal soil sensing and other tools can be used in soil profile descriptions where techniques and toolkits have not changed in the past decades. Digital soil morph metrics is defined as the application of tools and techniques for...
The increasing interest on new drug discovery is frequently advanced as drugs do not increase endurance adequately against increasing cancer cases worldwide. Molecular hybridization is a new concept in drug design and growth based on the combination of pharmacophoric moieties of different bioactive substances to...
Solvation defines the interaction of solvent with molecules or ions of a solute. Ions, and to some cases, molecules, perform along intensely with solvent, and also the strength and nature of this interaction results some properties of the solute, additionally to solubility, reactivity, and color....
Acrylamide (AA) has a toxic effect on both animals and human. The present study investigated the potential protective effect of silymarin (SIL), as an antioxidant against the toxicity of the AA in cardiac tissue. Made-to-order essay as fast as you need it Each essay is...
Introduction The metathesis reaction has emerged as one of the most powerful tool for the formation of C-C bonds in organic chemistry and materials science. This prominent role has been awarded with the Nobel Prize in Chemistry 2005 “for the development of the metathesis method...
Silver will be An rather inert metal. This may be in light its filled 4d shell is not exceptionally viable done protecting the electrostatic constrains about fascination from the core of the peripheral 5s electron, What’s more henceforth silver will be close to the base...
Silica gel is an important adsorbent use as desiccant in our daily life. The term ‘gel’ merely indicates the condition of the material it is a hard glassy substance as it is manufactured from raw material. It has different characterization parameters It has porous structure...
Aluminium Hydroxideoccurrence Aluminum hydroxide is a hydroxide salt type of aluminum. It is usually utilized as a medication, and can be found in acid neutralizers for the treatment of indigestion, gastritis, and peptic ulcers. It might likewise be utilized to lessen the retention of phosphorus...
The power sharing curves of islanded MG when supplying nonlinear loads, star connected and delta connected three phase unbalanced loads are illustrated in Fig (). As depicted from figures, at the beginning the three-phase six-pulse diode-bridge rectifier of RL load is connected up to t=2.5...
Steel is an compound from claiming iron What’s more carbon Also different components. Due to its helter skelter elasticity What’s more low cost, it will be a significant segment utilized within buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons. Iron is the base metal...
Although it is a metal, it is soft enough to cut with a knife. It is so light it can float on water. Lithium fires are difficult to put out. You can’t use water as water will react with the lithium and could make the...
This case study is about the explosion of container containing nitric acid. On 2nd December, 2011, a graduate scholar was going to perform an experiment trial requiring the utilization of nitric acid. Made-to-order essay as fast as you need it Each essay is customized to...
Overview What is it? Brief History Uses How it works Environmental benefits and concerns Current research and future direction What are Instant Hot and Cold Packs? plastic bags containing different chemical compounds Made-to-order essay as fast as you need it Each essay is customized to...
Salinity is one of the major issue which ultimately leads towards loss of yield among important crops. For all significant crops, average harvests area fraction – anywhere amongst 20% and 50% of record yields; these losses arebecause of drought and high soil salinity. A wide...
There are different types of soil stabilization techniques that are adopted for enhancing soil physical and chemical properties. The ultimate target is the strengthening of soil in terms of its bearing capacity. Soil stabilization is done with the help of various materials .Some of the...
Abstract The existence ofsecond-order structural phase transition in the SnSe at a pressure of10GPa has been proved theoretically. The calculation is performed using the plane-wave pseudopotential approach to density-functional theory within the local-density approximation (LDA) withthe help ofthe ABINIT software package. Theabrupt change inbulk module...
Introduction XRF is an abbreviation used for x-ray fluorescence. It is the phenomena in which x-rays with greater threshold energy than energy of electrons produced by x-ray tube analyzer when strike the inner shell’s electrons of atoms, displacing the electrons hence create a vacant space....
Polyvinyl alcohol (PVOH),-(CH2-CHOH)n-, is a linear polymer which means it shows negligible amounts of branching. PVOH is soluble in water, which is unusual for synthetic polymers, but this allows PVOH to be used in a lot of commercial applications such as thickening and foaming agents....
Background Info: Chemical reactions are an everyday occurrence, but not everyone may realize that. There are six chemical reactions happening all around us, but this experiment will only focus on five. The different types of reactions are: Single displacement/replacement, double displacement/replacement, synthesis, combustion, and decomposition....
This lab involves the synthesis of an acrylic polymer. The reagents of hydroxyethyl acrylate, styrene, and butyl acrylate were reacted in a semi-batch process The product was then stored for one week before being crosslinked with a melamine-formaldehyde resin and a catalyst. The resulting coating...
Introduction Rare earth (RE) doped nanophosphors are widely used in light emitting diodes (LED’s), field emission displays (FEDs), scintillators, medical imaging and drug delivery. There exceptional electronic and optical properties are derived from f-f and f-d transitions. However, many reported synthesized nanophosphors degrade rapidly when...
Preston Brown, a graduate student at Texas Tech University was working on the highly energetic nickel hydrazine perchlorate (NHP) in early January 2010 when an almost fatal accident that scarred him for life occurred. In a series of events that involved disregard for his supervisor’s...
