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Waste Engine Oils
Waste Engine Oils presents a complete description of the field of engine used oils, widely collected in the networks of services-stations and garages. It describes the manufacture of base oils in refineries, and mentions the main additives playing an essential role in the quality of the marketed finished oils. The organization of the different systems of collecting in order to obtain a waste oil regenerable or used as fuel are explained. This book covers the main operations of physical and chemical treatments required in waste oil regeneration by covering the fundamental principles techniques such as vacuum distillation, solvent deasphalting, and ultrafiltration. A wide part is dedicated to applications with the description of about twenty processes. In addition, the book describes several types of energetic valorizations which concern a quite important fraction of the collected oil volume.* Comprehensive approach of the waste oil valorization* Overview of chemical engineering operations applied to waste oil* Objective view of the given information on a subject giving rise to competitiveness between the two routes of volorization
Parliamentary Papers
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Pregnancy Tests Explained (2Nd Edition)
Antenatal diagnosis has come a long way. As newer, more accurate, and less-invasive screening tests are available, doctors must constantly update themselves via the most recent research and publications. Good antenatal care is essential. Over the last decade we have seen rapid advances in medical technology that allowed the development of tools and tests essential to help reduce the risks to the mother and her developing foetus. The high-resolution transvaginal probe, with its crystal-clear view of the foetus, now make it possible for first-trimester diagnoses. From the perspective of the doctor, these tests will provide vital information that will be utilised to optimise antenatal care. It will afford early and timely intervention in terms of in utero therapy or prepare the mother for a potentially unfavourable outcome. Owing to the introduction of newer testing techniques, we have seen a shift in screening strategies. It has broadened the scope of antenatal testing from increasingly higher resolution ultrasound scans to genome molecular tests. In addition, non-invasive prenatal diagnoses are increasingly available and becoming more affordable.
The Pathogenesis of Bacterial Infections
G. G. Jackson The pathogenesis of bacterial infection defines the dynamics at an interface of ecologic association of bacteria and host. First, it occurs at the portal of initial contact with a per missive target cell. The infected cell provides either a passive or a specific receptor for the bacterium or its products, to gether with ligands and an environment of helper and inhibiting factors. The result is bacterial replication to produce an im balance of a potentially commensal relation which, under other defined conditions, would be optimal for the survival of both the host and bacterial cells. Virulence and pathogenesis are both absolute and relative terms. They must be interpreted stric...
Used Oil Re-refining
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Abstracts from Norfolk City Marriage Bonds, 1797-1850
Families of Antrim, New Hampshire comprises the second half of W. R. Cochrane's centennial history of the town, in which the compiler endeavored to record the genealogy, however fragmentary, of every family born or associated with Antrim from 1777 to the time of the book's publication in 1880. Many of the genealogies, it should be noted, span the town's 100-year history to 1877 and/or are replete with biographical information on their subjects. Arranged alphabetically by surname, the sketches number nearly 1,000.
The Maclure Collection of French Revolutionary Materials
Complete catalogue and index of one of the largest collections of its kind of French Revolutionary and Napoleonic newspapers pamphlets and official publications covering the years 1789-1815. Over 20,000 listings are preceded by an introduction giving a history of the collection, a survey of other notable French Revolution collections, and a biographical essay on William S. Maclure. William S. Maclure (1763-1840) was a wealthy Philadelphia merchant, a radical social reformer, and our first scientific geologist. His huge collection of French Revolutionary publications is one of the greatest libraries of its kind to be formed during the period of the Revolution. Maclure bestowed the collection on the Philadelphia Academy of the Natural Sciences in 1821, and the Academy in turn gave the collection to the Historical Society of Philadelphia, In 1949 it was acquired by the University of Pennsylvania.
