Catálogo de libros: Química

8512 Catálogo de libros: Química

Matemáticas y ciencia / Química
Libros Eliminar filtro Matemáticas y ciencia Eliminar filtro Química Eliminar filtro Quitar filtros
  • Structural Design and Properties of Coordination Polymers
    The assembly of organic ligands and metal centres yields coordination polymers, many of which find applications in conductivity, catalysis, magnetism, gas sorption, biological sensing and luminescence. The structure and topology of coordination polymers may be manipulated by changing the reaction conditions, leading to a large variety of structurally and topologically unique pr...
    Disponible

    43,77 €

  • Nickel Metal Hydride Batteries 2017
    Kwo Young
    This book contains twenty papers focusing on research investigations in the field of nickel/metal hydride (Ni/MH) batteries in 2017. These papers summarize the joint efforts in Ni/MH battery research from BASF, Wayne State University, Michigan State University, FDK Corp, Institute for Energy Technology, Central South University, University of Science and Technology Beijing, Zhe...
    Disponible

    83,95 €

  • Applied Theoretical Organic Chemistry
    Dean J Tantillo
    This book provides state-of-the-art information on how studies in applied theoretical organic chemistry are conducted. It highlights the many approaches and tools available to those interested in using computational chemistry to predict and rationalize structures and reactivity of organic molecules. Chapters not only describe theoretical techniques in detail, but also describe ...
    Disponible

    277,44 €

  • Computer Simulations of Molecules and Condensed Matter
    En-Ge Wang / Xin-Zheng Li
    This book provides a relatively complete introduction to the methods used in computational condensed matter. A wide range of electronic structure theories are introduced, including traditional quantum chemistry methods, density functional theory, many-body perturbation theory, and more. Molecular dynamics simulations are also discussed, with extensions to enhanced sampling and ...
    Disponible

    123,83 €

  • Catalysis for Low Temperature Fuel Cells
    Today, the development of active and stable catalysts still represents a challenge to overcome in the research field of low temperature fuel cells. Operation at low temperatures demands the utilization of highly active catalysts to reduce the activation energy of the electrochemical reactions involved at the electrodes, and thus obtain practical performances and high efficienci...
    Disponible

    59,74 €

  • Trends in Microextraction Techniques for Sample Preparation
    Micro-extraction techniques in sample preparation are gaining interest among analytical chemists as they comply with green analytical chemistry demands and ensure environmental protection and public safety. Savings in cost and time are considered as valuable benefits by using novel micro-extraction approaches in sample handling. Selectivity, sensitivity and lower detection limi...
    Disponible

    59,87 €

  • Suzuki-Miyaura Cross-Coupling Reaction and Potential Applications
    Suzuki–Miyaura cross-coupling remains a powerful tool in organic synthesis for C–C bond formation and has various industrial applications, for example, the synthesis of pharmaceuticals and materials. Intensive research efforts are being made into finding ways of improving and expanding the scope of this process, and the development of more efficient catalytic systems for this e...
    Disponible

    67,89 €

  • MARIE SKLODOWSKA CURIE
    Irina Rodica Rabeja
    Marie Sklodowska Curie (7 November 1867 – 4 July 1934) was one of the greatest scientific minds that brought a fundamental contribution in science opening the door to the understanding/knowledge of the structure of the atom in the 20th century.                 Marie Sklodowska Curie’s hypothesis that the spontaneous emission of powerful rays by some chemical elements, emission ...
    Disponible

    89,28 €

  • Advances and Applications of Nano-antimicrobial Treatments
    Nowadays, great concerns are associated with the resistance demonstrated by many microorganisms towards the conventional antibiotic therapies. The failure of traditional antimicrobials, and the increasing healthcare costs, have encouraged scientific research and the development of novel antimicrobial agents. Particularly, there is a great deal of interest in nanotechnologies an...
    Disponible

    51,68 €

  • Handbook of Research on Uncovering New Methods for Ecosystem Management through Bioremediation
    Kajal Srivastava / Shivom Singh
    Maintaining and preserving the environment is a crucial consideration in an era where climate change and rising sea levels are common knowledge. It is important for researchers and developers alike to explore potential solutions for a steadily warming world. The Handbook of Research on Uncovering New Methods for Ecosystem Management through Bioremediation focuses on the agricul...
    Disponible

    426,84 €

  • Photovoltaic Materials and Electronic Devices
    Given the state-of-the-art in solar photovoltaic (PV) technology and favorable financing terms, it is clear that PV has already obtained grid parity in specific locations [1]. Advances in the next generation of photovoltaic materials and photovoltaic devices can further reduce costs to enable all of humanity to utilize sustainable and renewable solar power [2]. This Special Iss...
    Disponible

    66,80 €

  • Catalytic Removal of Volatile Organic Compounds
    Jean-François Lamonier
    The degradation of air quality by the release of volatile organic compounds (VOC) into the air particularly harms human health and our environment. Regulation of outdoor VOC emissions are required to prevent the formation of ground-level ozone, which is principally responsible for photochemical smog. Indoor emissions of VOC have been the subject of recent consideration from man...
    Disponible

    82,85 €

  • The Story Book of Science
    Jean Henri Fabre
    Fabre had many scholarly achievements. He was a popular teacher, physicist, chemist and botanist. However, he is probably best known for his findings in the field of entomology, the study of insects, and is considered by many to be the father of modern entomology. Much of his enduring popularity is due to his marvelous teaching ability and his manner of writing about the lives ...
    Disponible

    36,91 €

  • Исследования различных экстрактов семян mucuna pruriens linn
    Арун Каккар / Сушма Джария
    В этой книге описаны проксимальный анализ, антибактериальная активность и ГХ-МС оценка химических компонентов различных экстрактов семян мукуны (Mucuna pruriens linn.). Семена, а также описана фитохимия и фармакологическая активность. Проксимальный анализ проводился стандартным методом. Антибактериальная активность различных экстрактов в концентрации 50 мг/мл была определена ме...
    Disponible

    49,74 €

  • Studien zu verschiedenen Extrakten aus Mucuna pruriens linn
    Arun Kakkar / Sushma Jhariya
    Dieses Buch beschreibt die Proximitätsanalyse, die antibakterielle Aktivität und die GC-MS-Bewertung der chemischen Bestandteile verschiedener Extrakte aus Mucuna pruriens linn. Samen und auch Phytochemie und pharmakologische Aktivität wurden ebenfalls beschrieben. die Primäranalyse wurde mit einer Standardmethode durchgeführt. Die antibakterielle Aktivität der verschiedenen Ex...
    Disponible

    49,68 €

  • Études sur divers extraits de graines de mucuna pruriens linn
    Arun Kakkar / Sushma Jhariya
    Ce livre décrit l’analyse proximale, l’activité antibactérienne et l’évaluation GC-MS des constituants chimiques de divers extraits de graines de mucuna pruriens linn. L’analyse proximale a été réalisée à l’aide d’une méthode standard. L’activité antibactérienne de différents extraits de chacune des concentrations de 50 mg/ml a été déterminée par la méthode de diffusion de disq...
    Disponible

    49,68 €

  • Studi su vari estratti di semi di mucuna pruriens linn
    Arun Kakkar / Sushma Jhariya
    Questo libro descrive l’analisi prossimale, l’attività antibatterica e la valutazione GC-MS dei costituenti chimici di vari estratti di semi di mucuna pruriens linn. L’analisi prossimale è stata effettuata con un metodo standard. L’attività antibatterica di diversi estratti di ciascuna concentrazione di 50 mg/ml è stata determinata con il metodo della diffusione su disco con va...
    Disponible

    49,68 €

  • Estudos sobre vários extractos de sementes de mucuna pruriens linn
    Arun Kakkar / Sushma Jhariya
    Este livro descreve a análise proximal, a atividade antibacteriana e a avaliação GC-MS dos constituintes químicos de vários extractos de sementes de mucuna pruriens linn. As sementes e também a atividade fitoquímica e farmacológica foram também descritas. A atividade antibacteriana de diferentes extractos de cada uma das concentrações de 50 mg/ml foi determinada pelo método de ...
    Disponible

    49,68 €

  • Lewis-Säure-katalysierte Synthese von Cinnolin-Derivaten
    Prasanta Gogoi
    Es wird eine effiziente Synthese von 4-Benzylcinnolinen aus Arylphenylallylidenhydrazon beschrieben. In diesem Bericht wird Zinn(II)-chlorid als Lewis-Säure-Katalysator verwendet und es werden sowohl polare als auch unpolare Lösungsmittel für die Synthese eingesetzt. Es wird erwartet, dass diese Methode aufgrund der geringen Kosten, der besseren Ausbeute und der unschädlichen R...
    Disponible

    49,74 €

  • Synthèse de dérivés de la cinnoline catalysée par l’acide de Lewis
    Prasanta Gogoi
    Une synthèse efficace des 4-benzyl cinnolines à partir de l’hydrazone aryl phényl allylidène est décrite. Dans ce rapport, le chlorure stanneux est utilisé comme catalyseur d’acide de Lewis et des solvants polaires et non polaires sont utilisés pour la synthèse. Cette méthode devrait être plus avantageuse que les autres méthodes de synthèse des anneaux de cinnoline signalées en...
    Disponible

    49,74 €

  • Sintesi catalizzata da acido di Lewis di derivati della cinnolina
    Prasanta Gogoi
    Viene descritta un’efficiente sintesi di 4-benzil-cinnoline a partire da aril-fenil-allilidene idrazone. In questa relazione viene utilizzato il cloruro stannoso come catalizzatore dell’acido di Lewis e per la sintesi vengono utilizzati solventi sia polari che non polari. Si prevede che questo metodo sia più vantaggioso rispetto agli altri metodi di sintesi degli anelli cinnoli...
    Disponible

    49,74 €

  • Síntese Catalisada por Ácido de Lewis de Derivados da Cinolina
    Prasanta Gogoi
    É descrita uma síntese eficiente de 4-benzilcinolinas a partir de arilfenilalilideno hidrazona. Neste relatório, o cloreto estanoso é utilizado como catalisador de ácido de Lewis e são utilizados solventes polares e não polares para a síntese. Espera-se que este método seja mais vantajoso do que os outros métodos relatados de síntese dos anéis de cinolina devido ao seu baixo cu...
    Disponible

    49,74 €

  • Синтез производных циннолина, катализируемый кислотой Льюиса
    Прасанта Гогои
    Описан эффективный синтез 4-бензилциннолинов из арилфенил-аллилиденгидразона. В качестве катализатора используется хлорид станола в качестве кислоты Льюиса, а для синтеза применяются как полярные, так и неполярные растворители. Ожидается, что этот метод будет более выгодным по сравнению с другими описанными методами синтеза циннолиновых колец благодаря низкой стоимости, лучшему...
    Disponible

    49,74 €

  • Identification of Biological Species Using Fluorescent Molecular Probes
    Poojitha B Sridhara Setty / Shiva Prasad Kollur
    According to popular belief, appealing to the sense of sight is more powerful than appealing to the sense of hearing, which could be the origin of the adage ''Seeing is believing.'' Technologies that allow researchers to ''see into the body'' or ''see into cells'' are crucial for both basic biological processes research and the detection and treatment of disease. It is ideal fo...
    Disponible

    36,16 €

  • Гуминовая кислота
    Мазин Хальбос
    Ранее проведенные в нашей лаборатории исследования указывали на окисление гуминовых кислот Fe(VI), однако тушение флуоресценции продуктом реакции Fe(III) приводило к неопределенности в отношении степени окисления. Взаимодействие Fe(VI)/Fe(III) с гуминовыми кислотами (ГК) исследовано с помощью синхронной сканирующей флуоресцентной (ССФ) спектроскопии, УФ-Vis спектроскопии и DART...
    Disponible

    68,35 €

  • Acide humique
    Mazin Halbos
    Des études antérieures menées dans notre laboratoire ont indiqué l’oxydation de l’acide humique par le Fe(VI), mais l’extinction de la fluorescence par un produit de réaction, le Fe(III), a conduit à une incertitude quant à l’ampleur de l’oxydation. Les interactions du Fe(VI)/Fe(III) avec les acides humiques (HA) sont étudiées à l’aide de la spectroscopie de fluorescence à bala...
    Disponible

    68,35 €

  • Acido umico
    Mazin Halbos
    Studi precedenti nel nostro laboratorio hanno indicato l’ossidazione dell’acido umico da parte del Fe(VI), ma l’estinzione della fluorescenza da parte di un prodotto di reazione, il Fe(III), ha portato a incertezze sull’entità dell’ossidazione. Le interazioni del Fe(VI)/Fe(III) con gli acidi umici (HAs) sono state studiate utilizzando la spettroscopia di fluorescenza a scansion...
    Disponible

    68,29 €

  • Charakterisierung und Funktionalisierung von Zellulose-Mikrofaserabfällen
    Mailon Aguimar de Lima
    In dieser Studie wurde der Einfluss der Zugabe verschiedener Mengen und Größen von Baumwollzelluloseabfällen, die beim Schleifen anfallen, als Verstärkungsmaterial in Zementmatrizen der Sonderklasse CPP für Ölbohrungen untersucht. Die Fasern wurden mit dem Polyelektrolyten Poly-Diallyl-Dimethyl-Ammonium (PDDACl) funktionalisiert. Die Zementmatrix wurde mit dem diametralen Druck...
    Disponible

    84,48 €

  • Caratterizzazione e funzionalizzazione dei rifiuti di microfibre di cellulosa
    Mailon Aguimar de Lima
    Questo studio ha valutato l’influenza dell’aggiunta di diversi livelli e dimensioni di rifiuti di cellulosa di cotone, generati dal processo di levigatura, come materiale di rinforzo in matrici di cemento CPP di classe speciale per pozzi petroliferi. La fibra è stata funzionalizzata con il polielettrolita poli diallil dimetil ammonio (PDDACl). La matrice di cemento è stata valu...
    Disponible

    84,41 €

  • Ionic Liquids and Deep Eutectic Solvents
    The Reprint 'Ionic Liquids and Deep Eutectic Solvents: Greener Approaches for Sustainable Chemistry' is based on the selection of contributions to the topical Special Issue and aims to provide a comprehensive overview of the 'state of the art' and the remarkable advances in the field of the two classes of unconventional, i.e., green solvents. The broad scope and diverse approac...
    Disponible

    79,75 €


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