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Chemistry deals with the composition, properties, and structure of matter. Its various branches analyze composition and properties, and study the changes that occur in matter, the underlying processes, the energetics of these processes, and the rates at which they occur. Thus, the terms contained in this Dictionary may be used in virtually all areas of science, for example, biochemistry, geochemistry, and cosmochemistry, and in many areas of technology.

All of the definitions are drawn from the McGraw-Hill Dictionary of Scientific and Technical Terms, Sixth Edition (2003). Each definition is classified according to the field with which it is primarily associated; if it is used in more than one area, it is identified by the general label [CHEM]. The pronunciation of each term is provided, along with synonyms, acronyms, and abbreviations where appropriate. A guide to the use of the Dictionary appears on pages vii-viii, explaining the alphabetical organization of terms, the format of the book, cross referencing, chemical formulas, and how synonyms, variant spellings, abbreviations, and similar information are handled. The Pronunciation Key is provided on page x. The Appendix provides conversion tables for commonly used scientific units as well as other listings of chemical data.]]> http://pdfcast.org/pdf/dictionary-of-chemistry Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/dictionary-of-chemistry most serious stage of HIV disease. It is characterized by signs and symptoms of severe
immune deficiency. AIDS stands for acquired immune deficiency syndrome.
Causes, incidence, and risk factors
This virus attacks the immune system and leaves the body vulnerable to a variety of life-
threatening illnesses. These illnesses are often caused by common bacteria, yeast, and
viruses that ordinarily do not cause disease.]]> http://pdfcast.org/pdf/aids Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/aids http://pdfcast.org/pdf/birds-of-prey Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/birds-of-prey http://pdfcast.org/pdf/buddhism-as-a-religion Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/buddhism-as-a-religion http://pdfcast.org/pdf/leukemia-1 Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/leukemia-1 http://pdfcast.org/pdf/bronchiectasis-acute-respiratory-exacerbation Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/bronchiectasis-acute-respiratory-exacerbation ly acidic because carbon dioxide dissolves into it, so it has a pH of about 5.5. As of the year 2000, the most acidic rain falling in the US had a pH of about 4.3.]]> http://pdfcast.org/pdf/acid-rain Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/acid-rain soil can be washed away or blown away. ]]> http://pdfcast.org/pdf/soil-erosion-2 Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/soil-erosion-2 genus produce single or double flowers from May to October in a variety of colors. Sepals—not petals
—make up the colorful portion of the flower. These may be thin, wide, pointed, rounded, crinkled, twisted, or even crimped. They may be marked with center bars, stripes, or vivid shadings. ]]> http://pdfcast.org/pdf/clematis Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/clematis http://pdfcast.org/pdf/cable-modems Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/cable-modems http://pdfcast.org/pdf/drug-abuse Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/drug-abuse commonly found in the southeastern United States at the edge of salt marshes and on sandy shell mounds. This 6- to 10-foot-tall shrub has rigid
branches that are sharply thorn-tipped. The tiny
deciduous leaves of this plant are succulent and linear to oblanceolate in shape. ]]> http://pdfcast.org/pdf/lycium-carolinianum-christmas-berry Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/lycium-carolinianum-christmas-berry http://pdfcast.org/pdf/blepharitis-4 Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/blepharitis-4 and activities that meet the needs of the enterprise and its stakeholders today while
protecting, sustaining and enhancing the human and natural resources that will be needed in the future.]]> http://pdfcast.org/pdf/business-strategies-for-sustainable-development Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/business-strategies-for-sustainable-development (Thompson & Strickland, 1995).]]> http://pdfcast.org/pdf/linking-project-management-with-business-strategy Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/linking-project-management-with-business-strategy http://pdfcast.org/pdf/feeling-at-home-with-energy Wed, 31 Dec 1969 18:00:00 -0600 http://pdfcast.org/pdf/feeling-at-home-with-energy