The Rotation of Sun and Stars
The Rotation of Sun and Stars

Author: Jean-Pierre Rozelot

Publisher: Springer Science & Business Media

Published: 2009-01-08

Total Pages: 266

ISBN-13: 3540878300

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The Sun and stars rotate in di?erent ways and at di?erent velocity rates. The knowledge of how they rotate is important in understanding the formation and evolution of stars and their structure. The closest star to our Earth, the Sun, is a good laboratory to study in detail the rotation of a G star and allows to test new ideas and develop new techniques to study stellar rotation. More or less massive, more or lessevolved objects, however, can have averydi?erent rotation rate, structure and history. In recent years our understanding of the rotation of the Sun has greatly improved. The Sun has a well-known large-scale rotation, which can be m- sured thanks to visible features across the solar disk, such as sunspots, or via spectroscopy. In addition, several studies cast light on di?erential rotation in the convective zone and on meridional circulation in the radiative zone of the Sun. Even the rotation of the core of the Sun can now be studied thanks to various methods, such as dynamics of the gravitational moments and of course, helioseismology, through g-modes analysis. Moreover, the magnetic ?eld is strongly linked to the matter motions in the solar plasma. The solar magnetic ?eld can be measured only at the surface or in theupperlayers.Itistheproductoftheinternaldynamoorofthelocaldynamos if they exist – in any case magnetic ?eld and rotation cannot thus be separated.

On Rotation
On Rotation

Author: Shirlene Obuobi

Publisher: HarperCollins

Published: 2022-06-21

Total Pages: 352

ISBN-13: 0063209160

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ONE OF TEEN VOGUE'S "25 BOOKS BY BLACK AUTHORS THEY CAN'T WAIT TO READ THIS YEAR" ONE OF BETCHES' "22 BOOKS YOU NEED TO READ THIS YEAR" "As a fan of Grey’s Anatomy (and Chicago Med!), I couldn’t put down On Rotation, and you won’t be able to, either. Shirlene Obuobi makes you feel as if you’re actually right there with the lovable Angie, and I personally couldn’t get enough." —Meg Cabot, New York Times bestselling author For fans of Grey’s Anatomy and Seven Days in June, this dazzling debut novel by Shirlene Obuobi explores that time in your life when you must decide what you want, how to get it, & who you are, all while navigating love, friendship, and the realization that the path you’re traveling is going to be a bumpy ride. Ghanaian-American Angela Appiah has checked off all the boxes for the “Perfect Immigrant Daughter.” Enroll in an elite medical school Snag a suitable lawyer/doctor/engineer boyfriend Surround self with a gaggle of successful and/or loyal friends But then it quickly all falls apart: her boyfriend dumps her, she bombs the most important exam of her medical career, and her best friend pulls away. And her parents, whose approval seems to hinge on how closely she follows the path they chose, are a lot less proud of their daughter. It’s a quarter life crisis of epic proportions. Angie, who has always faced her problems by working “twice as hard to get half as far,” is at a loss. Suddenly, she begins to question everything: her career choice, her friendships, even why she's attracted to men who don't love her as much as she loves them. And just when things couldn’t get more complicated, enter Ricky Gutierrez— brilliant, thoughtful, sexy, and most importantly, seems to see Angie for who she is instead of what she can represent. Unfortunately, he’s also got “wasteman” practically tattooed across his forehead, and Angie’s done chasing mirages of men. Or so she thinks. For someone who’s always been in control, Angie realizes that there’s one thing she can’t plan on: matters of her heart.

The ROTATION Diet
The ROTATION Diet

Author: Trish Blascak

Publisher: AuthorHouse

Published: 2009-07

Total Pages: 158

ISBN-13: 1438944284

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This book was initially intended to nurse Trish's son back to health and keep her other children free from the same type of illness (illness caused by food additives and chemicals). It was also intended as a handy tool for her clients with food sensitivities. However, it has been discovered that eating on a rotation not only eliminates current food issues, but prevents future food issues as well. Eating on a rotation can reduce inflammation and promote weight loss. A rotation diet can restore energy and promote overall health. This book not only defines the Rotation Diet but also offers tools and recipes for its success.

The Rotation and Lorentz Groups and Their Representations for Physicists
The Rotation and Lorentz Groups and Their Representations for Physicists

Author: K. Srinivasa Rao

Publisher: John Wiley & Sons

Published: 1988

Total Pages: 380

ISBN-13: 9780470210444

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Here is a detailed, self-contained work on the rotation and Lorentz groups and their representations. Treatment of the structure of the groups is elaborate and includes many new results only recently published in journals. The chapter on linear vector spaces is exhaustive yet clear, and the book highlights the fact that all results of the orthosynchronous proper Lorentz group may be obtained from those of the rotation group via complex quaternions. The approach is unified, and special properties and exceptional cases are addressed.

Earthquake Displacement Fields and the Rotation of the Earth
Earthquake Displacement Fields and the Rotation of the Earth

Author: L. Mansinha

Publisher: Springer Science & Business Media

Published: 2012-12-06

Total Pages: 313

ISBN-13: 9401033080

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The seeds of this conference were sown with the publication by Press, in 1965, of a paper in which he suggested that the displacement field due to a major earthquake may extend over much greater distances than had been thought possible before. Later on, Mansinha and Smylie pointed out that if Press was correct then, since the redistri bution of significant quantities of mass was involved, the inertia tensor of the earth would be altered and thus cause the earth to wobble; this revived the idea that earth quakes might be the long sought source for maintaining the Chandler Wobble. They argued that since earthquakes are sudden events it should be worthwhile trying to determine if there was any correlation between sudden changes in the Chandler term of the pole path and major earthquakes. Furthermore, since displacements occur both before and after an earthquake it might be possible to obtain a few days warning of a major earthquake by making instantaneous observations of the pole path. Analysis of the data indicated some correlation but, as often happens in science in general and in geophysics in particular, the results were not conclusive because of imperfect theory and the need for more accurate determinations of the pole position. It soon became clear that a meeting between geophysicists and astronomers involved in this type of work would be of mutual benefit.

Representations of the Rotation and Lorentz Groups and Their Applications
Representations of the Rotation and Lorentz Groups and Their Applications

Author: I. M. Gelfand

Publisher: Courier Dover Publications

Published: 2018-04-18

Total Pages: 385

ISBN-13: 0486823857

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This monograph on the description and study of representations of the rotation group of three-dimensional space and of the Lorentz group features advanced topics and techniques crucial to many areas of modern theoretical physics. Prerequisites include a familiarity with the differential and integral calculus of several variables and the fundamentals of linear algebra. Suitable for advanced undergraduate and graduate students in mathematical physics, the book is also designed for mathematicians studying the representations of Lie groups, for whom it can serve as an introduction to the general theory of representation. The treatment encompasses all the basic material of the theory of representations used in quantum mechanics. The two-part approach begins with representations of the group of rotations of three-dimensional space, analyzing the rotation group and its representations. The second part, covering representations of the Lorentz group, includes an exploration of relativistic-invariant equations. The text concludes with three helpful supplements and a bibliography.

The PA Rotation Exam Review
The PA Rotation Exam Review

Author: Paul Gonzales

Publisher: Lippincott Williams & Wilkins

Published: 2018-10-26

Total Pages: 1050

ISBN-13: 1496387287

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Publisher's Note: Products purchased from 3rd Party sellers are not guaranteed by the Publisher for quality, authenticity, or access to any online entitlements included with the product. Prepare for the rotation exams with the first exam prep resource to cover all of the most commonly tested rotations! Presented in a full-color, concise format, this must-have new book covers high-yield content from each of the major PA rotations: Internal Medicine, Family Medicine, Pediatrics, OB/GYN, Surgery, Emergency Medicine, and Psychiatry. Featuring 25 practice questions, with an additional 25 available online, for each rotation, this practical solution offers you everything you need for rotation exam success.

The Rotation Diet (Revised and Updated)
The Rotation Diet (Revised and Updated)

Author: Martin Katahn

Publisher: W. W. Norton & Company

Published: 2012-01-02

Total Pages: 401

ISBN-13: 0393342883

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Lose those unwanted pounds and keep them off once and for all with an easy three-week diet. The Rotation Diet’s unique and simple plan varies the daily calorie intake over a three-week period, leading to an average weight loss of 13 pounds. Users who have a great deal of weight to lose may drop up to a pound per day in week one. When The Rotation Diet was first published, more than seventy thousand Nashvillians went on the diet and weighed in weekly at supermarkets. The results showed that the city became almost a million pounds lighter. This new, updated, and revised edition of The Rotation Diet offers a scientifically proven maintenance plan that requires only small changes to establish a permanently healthier lifestyle. There are tasty new recipes and menus based on USDA and HHS dietary guidelines, and numerous examples show how people who have changed their lives achieved success as they built weight-management confidence.