COSMIC PINWHEELS: SPIRAL GALAXIES AND THE UNIVERSE

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"It is strongly biased towards the author's speciality of galaxy morphology, and particularly to bars and rings. To be fair, these are often given fairly short shrift in other textbooks, so this is a useful source of detail on such topics from an expert. In addition, references to original technical papers are given throughout which makes the book a handy introduction to the literature (which students may well find useful)." The Observatory Magazine The main goal of the book is to introduce the reader to the world of spiral galaxies, how spirals were discovered, what they represent from a physical point of view, and what people have learned about the universe and the nature of galaxies in general from the study of spirals. Topics include early discoveries of nebulae, the island universe concept, the structure of spirals as seen both visually with telescopes and in images obtained with different filters, the role of spirals in the discovery of interstellar dust and dark matter, the different kinds of spiral galaxies and the importance of bars and rings, how different non-spiral galaxy types such as elliptical galaxies and S0 galaxies connect to spirals, and how spirals have contributed to our understanding of star formation and evolution, galaxy formation and evolution, the cosmological distance scale, and the universal expansion. The Milky Way as a spiral galaxy is also discussed. The book is profusely illustrated and not only a discourse on the spirals, but is also a personal reminiscence based on the author's studies of spiral galaxies over the past 45 years.

熱病 The Sanford Guide to Antimicrobial Therapy 2024 (Spiral Edition) (54版)

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【簡介】 With Sanford Guide, you get: Clinically actionable, concise answers—we give you exactly what you need to make the best decision in a fast-paced setting. Institutionally diverse editorial team by design—not every organization has the same patient population, budget, or processes. We bring perspectives from many medical institutions. Popular with physicians, pharmacists, physician assistants, nurse practitioners, and other clinicians, The Sanford Guide to Antimicrobial Therapy provides convenient, concise, and reliable information. The book includes a FREE 1-month trial of Sanford Guide All Access, which provides expanded content, interactive tables and tools, and constant updates. Coverage includes Clinical syndromes Pathogens Bacterial Fungal Mycobacterial Parasitic Viral Anti-infective agents Dosing Pediatric adjustments Renal adjustments Adverse effects Activity Pharmacology Interactions Preventative therapy What's New for 2024 We have updated treatment recommendations throughout this edition based on recent references and guidelines. Drugs approved by the FDA since the last edition are included in various tables throughout the edition. Also, we have removed many older references that have been superseded or are simply no longer necessary. Major updates include: Table 1—Updated with many changes, as always Table 4—Updated legend to better explain the colors/symbols used to denote activity of antibacterial agents Table 5—Updated based on evolving recommendations for treatment of highly resistant bacteria, especially gram-negatives Table 8—Updated to reflect the new FDA risk categorization as well as available data on antimicrobial use during lactation Table 14A—Updated to include recommendations for treatment, prophylaxis and prevention of COVID-19 Table 16—Updated to cover all antimicrobials approved for pediatric use Table 17A—Updated to include SLED (sustained low efficiency dialysis) dosing Table 21—New table summarizing U.S. Travel Vaccination Recommendations 【目錄】