The English-Russian dictionary of technical abbreviations contains nearly 65,000 entries covering various fields and subfields of engineering and technology. Abbreviations are widely used in technical literature and, as a rule, they create difficulties for the reader. Numerous abbreviations are used in technical literature dealing with space, agriculture, electronics, computer science, chemistry, thermodynamics, nuclear engineering, refrigeration, cryogenics, machinery, aviation, business, accounting, optics, radio electronics, and military fields, including abbreviations used on a wide scale by the Navy, Airforce and the Army.

Historical Dictionary of the 1940's

The only available historical dictionary devoted exclusively to the 1940s, this book offers readers a ready-reference portrait of one of the twentieth century's most tumultuous decades. In nearly 600 concise entries, the volume quickly defines a historical figure, institution, or event, and then points readers to three sources that treat the subject in depth. In selecting topics for inclusion, the editors and authors offer a representative slice of life as contemporaneous Americans saw it--with coverage of people; movements; court cases; and economic, social, cultural, political, military, and technological changes.

The Names of Plants

The Names of Plants is an invaluable reference for botanists and horticulturalists. The first section gives an historical account of the significant changes in the ways that plants have been known and named. It documents the problems associated with an ever-increasing number of common names of plants, and the resolution of these problems through the introduction of International Codes for both botanical and horticultural nomenclature. It also outlines the rules to be followed when plant breeders name a new species or cultivar. The second section comprises a glossary of generic and specific plant names,

Encyclopedia of Water Garden Plants

Encyclopedia of Water Garden Plants is the definitive photographic reference to the full range of plants available to the water gardener. This volume includes hundreds of water garden plants often overlooked in other books, such as marginal plants, floating plants, bog plants, and submerged plants. Of course, waterlilies and lotuses are described in detail as well. The encyclopedia offers complete information on hardiness, culture, propagation, and pests and diseases. With more than 700 beautiful color photos and helpful introductory chapters on pots, soils, and fertilizers, this book promises to be the bible for the selection and cultivation of every water garden plant.

Children's Picture Dictionary Workbook 2

Workbook 1 and Workbook 2 provide controlled practice of key words from the dictionary. Students can use them at home or during quiet time in class. Both workbooks cover the same dictionary topics but at different levels of difficulty.