Matemáticas y ciencia

Matemáticas y ciencia (110957)

Matemáticas y ciencia
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  • Внесение калийных удобрений при фертигации
    Де Мария Г / Дэв Коррейя дос Анжус / Фер Фелипе Феррейра H
    Папайя обладает хорошими характеристиками, поскольку ее урожай собирают рано и постоянно, а также она экономически выгодна, поскольку окупаемость вложенного капитала наступает быстрее, чем у многих других плодовых культур. Тем не менее, один фактор, который заслуживает внимания, когда речь заходит о получении удовлетворительных урожаев папайи, - это химическое плодородие почвы....
    Disponible

    48,51 €

  • Dark Matter and Cosmic Web Story
    Jaan Einasto
    The concepts of dark matter and the cosmic web are some of the most significant developments in cosmology in the past century. They have decisively changed the classical cosmological paradigm, which was first elaborated upon during the first half of the 20th century but ran into serious problems in the second half. Today, they are integral parts of modern cosmology, which expla...
    Disponible

    182,06 €

  • 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 €

  • Gestione dei rifiuti solidi
    Tanya Sango
    I rifiuti generati dalle attività umane quotidiane e lasciati accumulare in discariche onnipresenti, illegali e non regolamentate, vicino alle abitazioni, sono un problema negli insediamenti informali. Se non vengono raccolti e smaltiti in modo appropriato, comportano rischi per la salute pubblica e ambientale. La qualità della vita e le condizioni di vita di coloro che già sof...
    Disponible

    62,94 €

  • Gestão de resíduos sólidos
    Tanya Sango
    Os resíduos gerados pelas actividades humanas diárias e deixados a acumular-se em lixeiras omnipresentes, ilegais e não regulamentadas, perto das habitações, constituem um problema nos aglomerados informais. Se não forem recolhidos e eliminados de forma adequada, representam riscos para a saúde pública e para o ambiente. A qualidade de vida e as condições de vida daqueles que j...
    Disponible

    62,94 €

  • Atividade antimicrobiana das sementes de Nigella Sativa L.
    Sehar Abbas
    Na presente investigação, a extração de sementes de Nigella sativa L. foi realizada com diferentes solventes. A técnica de extração por maceração a frio foi utilizada para a extração com diferentes solventes, ou seja, metanol, éter de petróleo, n-hexano e água destilada. O rastreio fitoquímico de diferentes extractos de sementes de N. sativa L. revelou a presença de vários cons...
    Disponible

    62,81 €

  • 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 €

  • Wildlife Conservation
    Vasilios Liordos
    Human activities, particularly habitat loss, overexploitation for economic gain, and climate change, are considered responsible for the current biodiversity crisis. Wildlife conservation and management research focuses on efforts to avert the loss of species and their habitats, address societal issues, and ultimately contribute toward a sustainable world for future generations....
    Disponible

    70,36 €

  • Basi cellulari del rigetto dell’allotrapianto cutaneo
    N. B. Thippeswamy
    In questo libro è stato spiegato chiaramente il ruolo delle cellule immunitarie nel rigetto dell’allotrapianto. Le risposte di rigetto agli allotrapianti cutanei sono caratterizzate da meccanismi di distruzione tissutale sia antigenici che aspecifici, anche se è l’azione antigenico-specifica delle cellule Tc a determinare principalmente la sopravvivenza o il rigetto dell’allotr...
    Disponible

    68,41 €

  • Bases celulares da rejeição de aloenxertos cutâneos
    N. B. Thippeswamy
    Neste livro foi explicado claramente o papel das células imunitárias na rejeição de aloenxertos. Tanto os mecanismos de destruição tecidular específicos do antigénio como os não específicos caracterizam as respostas de rejeição aos aloenxertos de pele, embora seja a ação específica do antigénio das células Tc que determina principalmente a sobrevivência ou a rejeição da pele en...
    Disponible

    68,35 €

  • The Game of Logic
    Lewis Carroll
    The Game of Logic is a book written by Lewis Carroll, the author best known for his famous works such as Alice’s Adventures in Wonderland and Through the Looking-Glass. The Game of Logic is a treatise on logic and logical reasoning, written in the form of a game. The book was first published in 1887 and is still considered a valuable resource for those interested in logic and m...
    Disponible

    10,89 €

  • Influência da temperatura na toxicidade do cádmio
    Sana Boughammoura
    Tomando como índices de toxicidade a desmineralização óssea, o stress oxidativo e as alterações histológicas de certos tecidos no peixe teleósteo Aphanius fasciatus, comparámos, por um lado, os teores de Cd e Ca, bem como os teores de matéria orgânica e mineral na coluna vertebral e, por outro lado, os teores de MDA, MTs, PSH e a atividade das enzimas antioxidantes (SOD e CAT) ...
    Disponible

    82,60 €

  • PLANTAS MEDICINAIS SILVESTRES NA PROVÍNCIA DE BUKHARA
    Eshonkulov Alijon Khaydarovich
    Atualmente, cerca de 80% da população mundial utiliza plantas medicinais e mais de 35% dos medicamentos utilizados são derivados de plantas medicinais. Nos países europeus, são utilizadas mais de 1300 plantas medicinais, 90% das quais são recolhidas a partir de recursos naturais.A utilização tradicional de plantas medicinais não depende principalmente das condições climáticas o...
    Disponible

    68,73 €

  • WILDE HEILPFLANZEN IN DER PROVINZ BUKHARA
    Eshonkulov Alijon Khaydarovich
    Gegenwärtig verwenden etwa 80 % der Weltbevölkerung Heilpflanzen, und mehr als 35 % der verwendeten Arzneimittel werden aus Heilpflanzen gewonnen. In den europäischen Ländern werden mehr als 1300 Heilpflanzen verwendet, von denen 90 % aus natürlichen Quellen stammen.Die traditionelle Verwendung von Heilpflanzen ist nicht in erster Linie von den klimatischen Bedingungen oder dem...
    Disponible

    68,80 €

  • Einfluss der Temperatur auf die Toxizität von Cadmium
    Sana Boughammoura
    Anhand von Knochendemineralisierung, oxidativem Stress und histologischen Veränderungen bestimmter Gewebe beim Teleosteen-Fisch Aphanius fasciatus als Indizien für Toxizität verglichen wir den Gehalt an Cd und Ca sowie den Gehalt an organischer und mineralischer Substanz in der Wirbelsäule einerseits und den Gehalt an MDA, MTs, PSH und die Aktivität der antioxidativen Enzyme (S...
    Disponible

    82,66 €

  • Influenza della temperatura sulla tossicità del cadmio
    Sana Boughammoura
    Considerando come indici di tossicità la demineralizzazione ossea, lo stress ossidativo e le alterazioni istologiche di alcuni tessuti del pesce teleosteo Aphanius fasciatus, abbiamo confrontato i contenuti di Cd e Ca, nonché i contenuti di materia organica e minerale nella colonna vertebrale da un lato e, dall’altro, i contenuti di MDA, MTs, PSH e l’attività degli enzimi antio...
    Disponible

    82,53 €

  • PIANTE MEDICINALI SELVATICHE NELLA PROVINCIA DI BUKHARA
    Eshonkulov Alijon Khaydarovich
    Attualmente, circa l’80% della popolazione mondiale fa uso di piante medicinali e oltre il 35% dei farmaci utilizzati deriva da piante medicinali. Nei Paesi europei si utilizzano più di 1300 piante medicinali, il 90% delle quali è raccolto da risorse naturali.L’uso tradizionale delle piante medicinali non dipende principalmente dalle condizioni climatiche o dalla ricchezza dell...
    Disponible

    68,73 €

  • WILD MEDICINAL PLANTS IN BUKHARA PROVINCE
    Eshonkulov Alijon Khaydarovich
    At present, about 80% of the world’s population uses medicinal plants and more than 35% of the medicines used are derived from medicinal plants. In European countries more than 1300 medicinal plants are used, 90% of which are collected from natural resources.The traditional use of medicinal plants is not mainly dependent on climatic conditions or flora richness but on socio-eco...
    Disponible

    68,67 €

  • PLANTES MÉDICINALES SAUVAGES DANS LA PROVINCE DE BUKHARA
    Eshonkulov Alijon Khaydarovich
    Actuellement, environ 80 % de la population mondiale utilise des plantes médicinales et plus de 35 % des médicaments utilisés sont dérivés de plantes médicinales. Plus de 1 300 plantes médicinales sont utilisées dans les pays européens, dont 90 % sont collectées à partir de ressources naturelles.L’utilisation traditionnelle des plantes médicinales ne dépend pas principalement d...
    Disponible

    68,80 €

  • Harmonic Functions and Random Walks on Groups
    Ariel Yadin
    ...
    Disponible

    101,30 €

  • Higher Special Functions
    Wolfgang Lay
    ...
    Disponible

    160,50 €

  • Walking into the Light
    Lucas Verhelst BSc MRACI
    One person every 20 seconds loses a limb due to diabetes related complications. By the time you finish reading this article four people have lost lower limbs and within five years three of those people will have died. Diabetes is a poor mans’ disease because with access to the latest technology, like insulin pumps and continuous glucose monitors, diabetes becomes a paper tige...
    Disponible

    19,85 €

  • Fundamentals of Biomedical Optics
    Caroline Boudoux
    Prof. Boudoux’s book covers a comprehensive range of topics in biomedical optics and biophotonics. The organization of the material is well thought out, starting off with a toolbox of essential concepts that are general and yet detailed enough for a broad range of student backgrounds. The heart of the book covers the essential topics of tissue optics, as well as optical imaging...
    Disponible

    127,49 €

  • How to Deal With Anger, Stress, Depression, Grief and Sadness from Islamic Perspective
    Muhammad Vandestra
    The average human being in the developed world battles sadness, anger, stress, depression and worry on a daily basis. While the majority of the world’s population confront extreme poverty, famine, conflict and despair those of us privileged to lead relatively easy lives must tackle fear, stress, and anxiety. Why are those of us blessed with riches beyond compare immersed in lon...
    Disponible

    25,86 €

  • The Life of the Spider
    J. Henri Fabre / JHenri Fabre
    Translated by Alexander Teixeira de Mattos, Fellow of the Zoological Society of London, and with a preface by Maurice Maeterlinck.Written by the founding father of the science of modern entomology, this work remains one of the standard studies of the lifestyle, habits, mating ceremonies, and astonishing technical abilities of the spider family.Jean-Henri Fabre, famous for his d...
    Disponible

    23,25 €

  • The Story of My Boyhood and Youth
    John Muir
    A fascinating autobiography of John Muir (1838-1914)-founder and first president of the Sierra Club, America’s oldest, largest, and most influential grassroots environmental organization.Muir is renowned to the present-day as one of the most famous American naturalists, authors, amateur inventors, and early advocates of preservation of wilderness in the United States, and as la...
    Disponible

    22,31 €

  • Renewable Energy Projects
    Sébastien Bilbault
    Renewable Energy Projects is a guide encompassing the multiplicity of disciplines necessary to make renewable energy projects happen. This book focusses on cost-competitive and mature technologies, and on the project processes enabling to develop, finance and execute such industrial projects. It is specially useful for people willing to join this industry, or people already wor...
    Disponible

    48,25 €

  • The Handbook Of Natural Healing
    Ankur Prakash DC
    Everyone wants to be healthy, but not everyone knows where to begin. We understand that most of us are especially hard pressed to find time to take care of our bodies. This handbook is meant to give you an introduction to our proven and easy-to-follow concepts that will help shape you up physically and mentally, in a way that’s convenient for you. We take you in hand, and guide...
    Disponible

    20,57 €

  • The Life of the Spider
    J. Henri Fabre / JHenri Fabre
    Translated by Alexander Teixeira de Mattos, Fellow of the Zoological Society of London, and with a preface by Maurice Maeterlinck. Written by the founding father of the science of modern entomology, this work remains one of the standard studies of the lifestyle, habits, mating ceremonies, and astonishing technical abilities of the spider family.Jean-Henri Fabre, famous for his ...
    Disponible

    40,35 €


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