The aim of this book is to give an elementary treatment of multiple integrals. The notions of integrals extended over a curve, a plane region, a surface and a solid are introduced in tum, and methods for evaluating these integrals are presented in detail. Especial reference is made to the results required in Physics and other mathematical sciences, in which multiple integrals are an indispensable tool. A full theoretical discussion of this topic would involve deep problems of analysis and ...

For over a hundred and fifty years, the essays, poetry and journals of the leading transcendentalist Henry David Thoreau have won the admiration of readers, due to the author’s natural observation, symbolic meanings, poetic sensibility, philosophical austerity and practical detail. This comprehensive eBook presents the complete published works of Henry David Thoreau, with numerous illustrations, informative introductions and the largest collection of journals available to eReaders. (Versio...

Let your child learn about The Earth he lives on The Air he breathes in, The Light he reads in, The Light he reads in, The Body he has The Transport he travels by, The energy he works with, The Animals he is fascinated with, The Plants that he needs for food and innumerable reasons, The use of Mineral and Metals which form an essential part of his daily routine, The magic of Chemistry, The great Scientists and their Inventions. #v&spublishersContents:1. Universe 2. Earth3. Life on Earth4. ...

Get your child excited about math with some maze fun. This book combines the study of math with the fun of games. Select an addition problem and solve it, then check your answer with the math maze. Explore the maze to arrive at the answer.Easily navigate the links to the math maze and answer. Then return to the practice problems to select another. Twenty problems in all, each with an answer maze. Most appropriate for 3rd grade students.

This book is based on a study of referees' reports and letters from journal editors on reasons why papers written by non-native researchers are rejected due to problems with English grammar. It draws on English-related errors from around 5000 papers written by non-native authors, several hundred emails, 500 abstracts by PhD students, and over 1000 hours of teaching researchers how to write and present research papers.The exercises include the following areas:active vs...

Together, minerals, rocks, and fossils communicate much about Earth’s history. Much more than ornaments on a landscape, minerals and rocks are significant components of the planet’s foundation, while fossils contain clues as to the various life forms that once inhabited the planet. Readers are invited to take a closer look at the materials that have, in many ways, facilitated life, and to explore the types and categories of minerals, rocks, and fossils alike.

How do astronomers study planets, stars and galaxies? What are rovers and where have they landed? How do telescopes work? What is a nebula? Beginner readers can find out the answers in this book, along with lots more fascinating facts. This is a highly illustrated ebook that can only be read on the Kindle Fire or other tablet."No Key Stage 1 classroom should be without the whole set." - The Bookseller

In his preface to early editions of this book, the late Dr. A. D. Imms said that he intended it to be an elementary account of entomology as a branch of general biology. He had especially in mind the needs of university students of zoology and agriculture, as well as those intending later to specialize in entomology, and he suggested that the book might also interest teachers of advanced biology'in schools. These general aims and the balance between the different aspects of the subject hav...

This book will provide anyone with an interest in the clinic with a basic guide on those things that are not taught during medical school or any other pre-clinical trainings. The line-up of authors was carefully assembled to include experts in all respective fields to give this volume the authority it requires to be a relevant text for many.

Our Solar System: A Solar System Kids Book gives kids an overview of the planets that make up our solar system in a fun and engaging way. Kids engage with the pictures and learn fun facts. Colorful pictures help bring the planets to life.Kids are transported to outer space where they visit each planet and learn more about that planet. This easy to read book is just right for intermediate readers and younger kids will not have a problem following along with a parent. This bo...

An activity ebook that will help little ones discover everyday science as they play their way through 14 exciting home science experiments!Full of hands-on activities that will tap straight into your child's natural scientific curiosity. The experiments are easy to follow and use items that most people already have tucked away at home.Look I'm A Scientist is the most incredible introduction to science for kids. From an iceberg animal rescue to stre...

Soluble catalysts are used extensively in many branches of chemistry and are indeed a vital constituent of many natural processes. They find wide application throughout the chemical industry where they assist in the production of several million tonnes of chemicals each year. Since homogeneous systems, especially those incorporating transition metals, often function effectively under milder conditions than their heterogeneous counterparts, they are becoming increasingly important at a time...