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The beginnings of human civili zation can be traced back to the time , ne- ly 12 ,000 years ago , when th e early humans gradually ch anged from a life of hunting and gathering food , to producing food. This beginning of pri- tive agriculture ensured a dependable supply of food , and fostered the living together of people in groups and the development of s o c i e ty. During th is time, plant s e e ds were recognized a s a valuable s o ur c e of food and nutrition , and began to be used for growing plants for food. Ever s i n c e , plant seeds have played an important role in the development of the human civilization . Even today, s e e ds of a few crop s p e c i e s , s uc h as the cereals and legume s, are the primary s o u r c e of most human food , and the predominant commodity in international agriculture. Owing to their great importance as food for human s and in international trade , seeds have been a favorite object of s t u d y by developmental biologists and physiologi sts , nutritionist s and chem i sts . A wealth of useful information i s available on th e biology of seed s .
An exhaustive report on recommended clinical preventive services that should be provided to patients in the course of routine clinical care, including screening for vascular, neoplastic and infectious diseases, and metabolic, hematologic, ophthalmologic and ontologic, prenatal, and musculoskeletal disorders. Also, mental disorders and substance abuse, counseling, and immunization. The majority of deaths below age 65 are preventable. This Guide results from the most comprehensive evaluation and synthesis of preventive interventions to date.
This fourth edition presents clinicians with the most recent developments in ultrasound in obstetrics and gynaecology. Beginning with an introduction to the physics, machines and measurements used in ultrasonography, the following sections provide in depth coverage of its use in diagnosing and managing different obstetrical and gynaecological conditions. The text also covers infertility, interventional procedures, other methods in radiology and legal and ethical issues. Presented in an easy to follow, bulleted format, this new edition includes numerous ultrasound images, illustrations and tables, as well as a quick reference appendices section which includes AIUM (American Institute of Ultrasound in Medicine) Guidelines and protocols from Thomas Jefferson University in Philadelphia. Key points New edition presenting clinicians with latest developments in ultrasound in obstetrics and gynaecology Easy to follow, bulleted format with numerous ultrasound images, illustrations and tables Includes AIUM Guidelines and protocols from Thomas Jefferson University
Completely revised and updated, the Second Edition of Specialty Corns includes everything in the first edition and more. Considered the standard in this field, significant changes have been made to keep all the information current and bring the references up-to-date. Two new chapters have been added to keep up with the latest trends: Blue Corn and
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This book explores key parameters, properties and fundamental concepts of electrocatalysis. It also discusses the engineering strategies, current applications in fuel-cells, water-splitting, metal-ion batteries, and fuel generation. This book elucidates entire category viewpoints together with industrial applications. Therefore, all the sections of this book emphasize the recent advances of different types of electrocatalysts, current challenges, and state-of-the-art studies through detailed reviews. This book is the result of commitments by numerous experts in the field from various backgrounds and expertise and appeals to industrialists, researchers, scientists and in addition understudies from various teaches.