Ion Fractionation in Drops from Breaking Bubbles PDF Download
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Author: Ferren MacIntyre Publisher: ISBN: Category : Bubbles Languages : en Pages : 290
Book Description
Available data for ion ratios in precipitation are analyzed and shown to be consistent with the hypothesis of a distinctive marine aerosol in which all reported ions are enriched with respect to Na, compared with sea water values. Experiments with bubble-produced aerosols from a Na(22)P(32)04 solution show that the fractionation ratio (P04(3- )/Na(+))aerosol/ (P04(3- )/Na(+)solution is greater than 1 for all drop sizes from 0.5 to 50 microns, and may be as high as 700 for 15micron drops. Drops formed by the central jets of small bubbles show enrichment ratios E (=F-1) below 10 which are independent of drop size, while drops from the film caps of large bubbles frequently show an additional high peak, log-normal and centered on micron drops, with a standard deviation (about the geometric mean) of log 1.75. It is suggested that small bubbles form an efficient surface microtome which selectively ejects only the uppermost 1-micron layer of the solution into the aerosol phase, and that this selectivity is responsible for the anomalous ion ratios reported in marine precipitation. (Author).
Author: Ferren MacIntyre Publisher: ISBN: Category : Bubbles Languages : en Pages : 290
Book Description
Available data for ion ratios in precipitation are analyzed and shown to be consistent with the hypothesis of a distinctive marine aerosol in which all reported ions are enriched with respect to Na, compared with sea water values. Experiments with bubble-produced aerosols from a Na(22)P(32)04 solution show that the fractionation ratio (P04(3- )/Na(+))aerosol/ (P04(3- )/Na(+)solution is greater than 1 for all drop sizes from 0.5 to 50 microns, and may be as high as 700 for 15micron drops. Drops formed by the central jets of small bubbles show enrichment ratios E (=F-1) below 10 which are independent of drop size, while drops from the film caps of large bubbles frequently show an additional high peak, log-normal and centered on micron drops, with a standard deviation (about the geometric mean) of log 1.75. It is suggested that small bubbles form an efficient surface microtome which selectively ejects only the uppermost 1-micron layer of the solution into the aerosol phase, and that this selectivity is responsible for the anomalous ion ratios reported in marine precipitation. (Author).
Author: Reid Bramblett Publisher: John Wiley & Sons ISBN: 0764583557 Category : Travel Languages : en Pages : 650
Book Description
Lively and engaging, this invaluable handbook puts the continent's great cities and regions at your fingertips, and includes all the highlights plus the very best off-the-beaten-path experiences that make any visit to Europe memorable. Packed with experienced insider tips, Europe For Dummies offers: Essential information on London, Edinburgh, Dublin, Paris, Amsterdam, Munich & the Bavarian Alps, Vienna, Prague, Rome, Florence & Tuscany, Venice, Barcelona, and Athens A select choice of favorite hotels and eateries in every destination and price category Indispensable foreign language glossaries Advice on everything from planning a sensible itinerary and getting the best deals to using public transit and catching must-see sights Helpful tips on converting currencies, overcoming language barrier, avoiding crowds, and sampling local cuisine
Author: Guosheng Yin Publisher: John Wiley & Sons ISBN: 0470581719 Category : Medical Languages : en Pages : 368
Book Description
A balanced treatment of the theories, methodologies, and design issues involved in clinical trials using statistical methods There has been enormous interest and development in Bayesian adaptive designs, especially for early phases of clinical trials. However, for phase III trials, frequentist methods still play a dominant role through controlling type I and type II errors in the hypothesis testing framework. From practical perspectives, Clinical Trial Design: Bayesian and Frequentist Adaptive Methods provides comprehensive coverage of both Bayesian and frequentist approaches to all phases of clinical trial design. Before underpinning various adaptive methods, the book establishes an overview of the fundamentals of clinical trials as well as a comparison of Bayesian and frequentist statistics. Recognizing that clinical trial design is one of the most important and useful skills in the pharmaceutical industry, this book provides detailed discussions on a variety of statistical designs, their properties, and operating characteristics for phase I, II, and III clinical trials as well as an introduction to phase IV trials. Many practical issues and challenges arising in clinical trials are addressed. Additional topics of coverage include: Risk and benefit analysis for toxicity and efficacy trade-offs Bayesian predictive probability trial monitoring Bayesian adaptive randomization Late onset toxicity and response Dose finding in drug combination trials Targeted therapy designs The author utilizes cutting-edge clinical trial designs and statistical methods that have been employed at the world's leading medical centers as well as in the pharmaceutical industry. The software used throughout the book is freely available on the book's related website, equipping readers with the necessary tools for designing clinical trials. Clinical Trial Design is an excellent book for courses on the topic at the graduate level. The book also serves as a valuable reference for statisticians and biostatisticians in the pharmaceutical industry as well as for researchers and practitioners who design, conduct, and monitor clinical trials in their everyday work.
Author: Michael A. Moodian Publisher: SAGE Publications ISBN: 1483302059 Category : Business & Economics Languages : en Pages : 313
Book Description
Featuring contributions from some of the world's most renowned cross-cultural management theorists and commentators, this breakthrough text explores the cross-cultural dynamics within organizations. The book examines the evolving role of cultural diversity in the workplace, the application of cultural comprehension to organizations, and the measurement of various aspects of intercultural competence.
Author: Paris Permenter Publisher: Hunter Publishing, Inc ISBN: 1588431983 Category : Travel Languages : en Pages : 185
Book Description
This Hunter Travel Guide stimulates readers' senses immediately with its lively description.... Fully indexed, the guide delivers an insider's view to what the authors call 'the most hospitable islands in the world.' Not a typical guide, the book is as much fun as it is resourceful, with a chatty writing style... great suggestions for sites to visit when travelers are in the mood for something unusual or spontaneous. -- Today's Librarian. "Nassau & The Best Of The Bahamas Alive! provides all the destination-oriented information needed to make the best of a trip to the Bahamas, from a survey of restaurants and hot fishing holes to best places to stay, shop, and enjoy the variety of the islands. An excellent take-long tote." -- Midwest Book Review. This exciting new addition to the Alive! series takes you to the cruise ship capital of the world in style! "Dawn to Dusk" sections focus on the best daytime delights, such as terrific watersports, sightseeing, golf courses, beaches and fascinating museums. "After Dark" sections take you to the best nightclubs, piano bars, cocktail lounges and beach cookouts. Hundreds of places to stay and eat are profiled in detail, based on repeat visits by the authors. In-margin icons allow you to see at a glance which activities are being discussed. Maps. Feeling "alive" is commonly used to describe the state when you are energized, excited, full of life! And that's exactly what these books inspire -- a feeling of eagerness to explore and discover. Alive! Guides are a refreshing change from the "same-old" guidebooks. They are written for the savvy traveler who is looking for quality and value in accommodations and dining, with a selection of activities to fill the days and nights. Each book's introduction covers the basic travel information, including climate, when to go, what to pack, history, package tours, geography and -- for overseas destinations -- currency concerns and health issues. Daytime pursuits are detailed in the "Sunup to Sundown" section, which cover the best beaches, walking tours, driving excursions, nature trips and sightseeing. Shopping plays a big part, with tips on how to barter in island crafts markets and where to find the best deals. And if you're looking for some fun when the stars come out, turn to the "After Dark" section, where you'll find descriptions of the best discos, cigar bars, theaters, movies, nightclubs and happy hours! Alive Guides focus on hotels and restaurants, with descriptions based on repeat visits by well-traveled authors. Establishments are rated with the unique Alive rating system, so you can find one to suit your taste and pocketbook. Particular attention is given to shopping in the exotic regions, with details on local artists, cut-price designer clothing and the best values on duty-free goods. Tips on what to do from sunup to sundown include tours, sightseeing, sunning, watersports and the best beaches. Piano bars, jazz clubs, places to meet people and even gay clubs are listed for nightlife. Transportation to, from, and around the area is also covered.
Author: Publisher: ISBN: Category : East Asia Languages : en Pages : 1050
Book Description
Asia's premier business magazine. The magazine reports on politics, business, economics, technology and social and cultural issues throughout Asia, with a particular emphasis on both Southeast Asia and China.
Author: Ferren MacIntyre
Author: Ferren MacIntyre
Author: Mandy Andress
Author: Reid Bramblett
Author: Guosheng Yin
Author: 
Author: American Society of Mechanical Engineers
Author: Michael A. Moodian
Author: Paris Permenter
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Author: