Catálogo de libros: Química

2929 Catálogo de libros: Química

Matemáticas y ciencia / Química
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  • DIGITAL PHOTOGRAPHY EXPLAINED
    PETER S PERSHAN
    This book can serve as a missing guide for technical features of digital photography that many enthusiasts are unaware of or remain bewildered about. An interesting example is that cameras with sensor sizes differing by a factor of three or four can have the same size resolution. The advantages of sensors - found in larger and more expensive cameras - are elucidated to readers....
    Disponible

    34,93 €

  • Chemistry for Students
    Leonel Travers / Oakridge Press
    The aim of this guide is not to be your teacher. Think of it as a road map. A way to navigate the world of chemistry and enjoy the scenery as you do so. And believe me, there is a lot to see. Atoms, the periodic table, chemical equations, acids, the Arrhenius theory; all these and many other concepts, as well as the minds behind them, are vital to understanding the world we inh...
    Disponible

    18,61 €

  • Mixed cereal bar using fruit by-products
    Juanne Queiroz Farias
    The waste of food and its nutrients in households and agro-industries has a negative impact on the environment. At the same time, people are trying to consume nutritious food. This has given rise to a concern about utilising food in a sustainable way. The aim of this book is to produce cereal bars using the by-product of fruit juice. A 2² Factorial Design and Response Surface M...
    Disponible

    53,60 €

  • Antioxidants in Food
    Deborah Otero / Rui Zambiazi
    Antioxidants and their effects on human health have gained great importance in recent years. Natural antioxidants can be endogenous, those present in the human body; or exogenous, those found in external sources, such as plant-based foods, and absorbed through the consumption of these products. Studies have shown the efficacy of natural antioxidants for human health by maintain...
    Disponible

    59,46 €

  • Analysis of Metals in Oils and Biodiesel by ICP-AES
    Carlos Molina-Mayo / Sara García Salgado
    In this work, the determination of 19 metallic elements (aluminum, arsenic, barium, calcium, cadmium, cobalt, chromium, copper, iron, potassium, magnesium, manganese, molybdenum, sodium, nickel, phosphorus, lead, vanadium and zinc) in biodiesel samples obtained by homogeneous alkaline catalysis has been carried out, obtained by homogeneous alkaline catalysis, and of the vegetab...
    Disponible

    74,82 €

  • Coatings on Food Packaging and Shelf Life
    Food packaging plays an important role in the preservation and transportation stages of food. In recent years, coating packaging has become a research hotspot. Coatings can inhibit the growth of microorganisms during food storage, control gas exchange, water penetration, and oxidation processes in food, thus improving food safety and extending the shelf life of food, which brin...
    Disponible

    62,97 €

  • Production of activated biocarbons from agricultural biomass
    Gilberto Maia Brito / Jair C. C. Freitas / M. A. Schettino Jr.
    The valorisation of agricultural biomass waste such as sugar cane bagasse, coconut shells and babassu endocarp is growing all the time. Such lignocellulosic waste has been widely used as a source of raw material (precursors) for the production of porous carbonaceous materials, especially Activated Biocarbons. The great advantage of using such waste is related to the sustainabil...
    Disponible

    53,66 €

  • Coffee grounds to purify water
    Fatima BOUKHLIFI / Ilyass LOULIDI / Mbarka OUCHABI
    Water pollution is undoubtedly becoming the major issue of the 21st century, and one of the main concerns of scientists and government bodies alike. Industrial discharges containing various contaminants are posing serious problems in many countries around the world, prompting them to find and develop appropriate, economically viable and environmentally-friendly treatment method...
    Disponible

    109,34 €

  • Computational design for the formation of Chromium (VI) complexes
    Mateus Aquino Gonçaves / Mozarte Santos Santana
    The great industrial development was one of the main responsible for environmental pollution. Some factors support this statement, such as the release of untreated effluents due to negligence on the part of companies. In Brazil, the leather industry comprises approximately 450 tanneries, of which around 80% are considered small companies. The sector generates 65,000 direct jobs...
    Disponible

    58,82 €

  • FRET-based exalted luminescent nanoplatforms
    Carina Salinas / Guillermo Bracamonte / M. Valeria Ame
    The development of new Nanomaterials based on hybrid materials is of high interest and impact in several areas of Science due to their large number of applications depending on their composition. In the present book, the design and synthesis of hybrid silica nanocomposites with luminescent properties enhanced by Fluorescence Resonant Energy Transfer (FRET) mechanism and their a...
    Disponible

    53,60 €

  • Production of Reducing Sugars - Supercritical Hydrolysis
    Itzayana González Avila
    The results of the application of the subcritical water hydrolysis technique for the utilization of lignocellulosic residues from pea (Pisum sativum L.) shells to obtain reducing sugars are presented. To this end, the combined effect of the factors temperature, reaction time, pressure and water/lignocellulosic material ratio, managed in ranges established from preliminary runs,...
    Disponible

    53,79 €

  • Determination of Salmonella spp Escherichia coli in Turkey Sausages
    Andrea Mendoza / Sebastián Olaya
    In the present work, a microbiological quality study was carried out to determine the presence of Salmonella and E. coli in turkey sausages sold in supermarkets in the northern area of Guayaquil. The study was of a qualitative experimental nature, which allowed determining the presence of microorganisms in the samples of turkey sausages analyzed. The analyses were carried out a...
    Disponible

    53,85 €

  • Copper adsorption by apatitic tricalcium phosphate
    Abdelkarim OUASS / Lamya KADIRI
    Pollution of wastewater by heavy metals is a public health problem that calls for appropriate solutions from environmental protection authorities. The use of apatitic supports for the liquid-solid extraction technique is an effective way of decontaminating effluents loaded with heavy metals.Our study concerns the extraction of Cu2+ ions from aqueous solutions diluted with an ap...
    Disponible

    60,32 €

  • Chemical Waste Management in HEI Chemistry Laboratories
    Brenda Ferreira Monteiro
    Chemical waste is a series of compounds generated in a wide variety of industrial and laboratory activities, which merit special concern due to their complexity and various levels of toxicity. The major difference between managing industrial waste and laboratory waste lies in the form of treatment and final disposal. The major problem with these forms of generation is their var...
    Disponible

    53,60 €

  • Industrial wastewater in Burkina Faso
    Barthélemy Bawar
    The vast majority of wastewater is discharged directly into the environment without adequate treatment, with adverse effects on human health, economic productivity, the quality of environmental freshwater resources and ecosystems. The main objective of the study was to assess the impact of industrial wastewater on water quality in the Centre, Plateau Central, Centre-Ouest and H...
    Disponible

    58,96 €

  • Recent Trends in Catalysis for Syngas Production and Conversion
    Syngas (CO and H2) is a crucial platform for the production of a variety of high-value compounds. This reprint focused on research into the production of syngas, the conversion and application of syngas, and catalyst synthesis. ...
    Disponible

    63,86 €

  • SOLUTION & X-RAY NON-3D PHASE STRUCTURE ANALYSIS SOFT MATTER
    KAZUCHIKA OHTA
    Most researchers would relate X-ray structure analysis to crystal structure analysis. A crystal is a state in which atoms or molecules are regularly arranged in three-dimensional space. However, some substances do not have 3D structures, but have 1D, 2D, 1D⊕1D, 2D⊕1D or 1D⊕1D⊕1D structures. Here the symbol ⊕ stands for direct sum in linear algebra and is different from ordinary...
    Disponible

    120,14 €

  • NEW COORDINATION COMPOUNDS OF MAGNESIUM AND CALCIUM NITRATES
    Nuritdin Kattaev / Shahnoza Kadyrova / Zul’fija Dzhumanazarova
    In this work, 54 new homogeneous and mixed-ligand coordination compounds of magnesium and calcium nitrates were synthesized. Their individuality and coordination of ligands and nitrate anions to the central ion were determined by X-ray phase analysis and IR spectroscopy. The crystal structure of the coordination compound [Ca(NO3)2(NC5H4CONH2)2(H2O)2] was determined by X-ray dif...
    Disponible

    45,18 €

  • Physico-chemical and sensory characteristics of coffee cultivars
    Marcelo Cláudio Pereira
    Brazil maintains its position as the world’s largest coffee exporter. Between January and December 2016, coffee accounted for 6.44% of Brazil’s agribusiness exports, ranking 5th with revenues of US$ 5.47 billion. The main destinations were Germany, the United States, Italy, Japan and Belgium. Coffee quality is related to a number of factors, such as harvesting methods, processi...
    Disponible

    75,02 €

  • Teaching Chemistry in Youth and Adult Education in the light of Bioethics
    Fábio Willie da Silva Matos / Jairo G. Venancio
    Faced with the need to reflect on the teaching of chemistry in Youth and Adult Education (EJA), a science that is sometimes considered abstract when it comes to the absence or insufficiency of resources for better learning, we sought to detail reports from a school located in an area of social vulnerability that highlighted the main challenges perceived by students in this type...
    Disponible

    53,60 €

  • Physicochemistry of Textile Materials
    Adel Elamri
    This manuscript is intended for textile engineering students at the National Engineering School of Monastir. It focuses on the physico-chemical properties of protein-based textile materials.The text is clear and concise, and illustrated with numerous didactic diagrams. The theoretical bases are presented in a logical and progressive manner throughout the chapters.The book is di...
    Disponible

    62,74 €

  • Master’s degree research training in chemistry didactics
    Cayetano Alberto Caballero Camejo
    The university educational institution has the challenge, among others, of training researchers capable of identifying the problems of their professional reality and solving them using the scientific method. To this end, it has to apply an integrating system that links undergraduate and postgraduate programmes as irreplaceable elements of research training. The postgraduate mas...
    Disponible

    54,97 €

  • Bromatological analyses of probiotic drinks
    Newton Carlos Santos / Raphael Lucas Jacinto Almeida / Semirames Silva
    Whey, a co-product of cheese production, becomes an environmental problem when disposed of inappropriately. Jabuticaba peel has antioxidant activity among its constituents, and has suitable characteristics for the production of various products based on its utilisation. The milk drinks were produced in three batches: T1 - produced with the starter culture of Streptococcus therm...
    Disponible

    54,90 €

  • Comparative Study of the Residual Composition of Craft Beer
    Newton Carlos Santos / Sâmela Leal Barros / Semirames Silva
    Beer can be considered a low-alcohol beverage, produced by fermentation, where the main ingredients are water, hops and malted cereals. Its production process involves a series of stages, one of which is mashing. This pomace is agro-industrial waste that, when disposed of inappropriately in the environment, causes a series of environmental problems. The aim of this study was to...
    Disponible

    54,90 €

  • NEW METHOD AND TECHNOLOGY FOR THE PRODUCTION ETHYLENE FROM METHANE
    Amanzhan Saginaew / Norjigit Musulmanow / Normurot Fajzullaew
    The present monograph is devoted to the one-step production of ethylene by oxidative condensation of methane, one of the main directions of production of organic chemistry, which is of great importance in industry. The monograph summarizes the results of a large number of scientific studies conducted in this field in our country and in foreign countries, outlines the kinetic re...
    Disponible

    77,84 €

  • Study of a solar dryer
    Kheire Eddine SAIFI / Mohamed Menaouar BESSA
    In order to highlight the drying process, three basic factors need to be taken into account: temperature, humidity and drying air velocity. An experimental study of an indirect greenhouse solar dryer is carried out. Solar irradiation, ambient temperature, wind speed, collector inlet and outlet temperatures, absorber temperature, drying chamber temperature and relative humidity ...
    Disponible

    60,13 €

  • Development and storage of mangaba and cajá products
    Newton Carlos Santos / Raphael Lucas J. Almeida / Semirames do N. Silva
    Fruit growing is one of the most important sectors in Brazil, which is considered to produce the most consumed tropical fruit in the world, as well as having a variety of exotic fruits with potential for the development of new products. Among these fruits is the cajá, considered a rich source of phytochemicals such as anthocyanins, carotenoids, flavonoids and ascorbic acid. Man...
    Disponible

    54,90 €

  • Evaluation of Chitosan as a Heavy Metals Leachate Remover
    Willian Paul Palacios Vargas
    Currently, the final disposal of municipal waste (MSW) is a problem that affects people’s health and the environment. Some controlled sanitary landfills have the disadvantage of producing liquids with high levels of contamination as a result of biological decomposition, called leachates, so it is necessary to apply environmentally friendly decontaminants to control these efflue...
    Disponible

    54,90 €

  • Organic Chemistry
    Stiti Mohamed Zakaria
    Organic chemistry is a field of chemistry devoted to the study of carbon-containing molecules, including their structures, properties, compositions, reactions and preparation methods. It forms the basis of biochemistry, which is concerned with the study of naturally occurring molecules and their interactions. It has numerous applications in the industrial world (materials, dyes...
    Disponible

    61,63 €

  • Rare Earth Ramble
    Rick Bernstein
    Rare Earth Ramble presents a selection of poems written in 2022-2023, including poems about the chemical elements, people, science, and other amusing topics. It is the fourth in a series ok books. ...
    Disponible

    13,37 €


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