Items related to Who Came First?: New Clues to Prehistoric Americans
Synopsis
Presents recent archaeological findings about the first people to settle the Americas, how they got here, and from what continent they came, which includes analyses by linguists, geneticists, climatologists, and other scientists. Teacher's Guide available.
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Who Came First? New Clues to Prehistoric Americans
Published by
National Geographic Children's Books, 2003
ISBN 10: 0792282280
ISBN 13: 9780792282280
Used
Hardcover
Seller: More Than Words, Waltham, MA, U.S.A.
Seller rating 5 out of 5 stars
Condition: Good. . Former Library book. All orders guaranteed and ship within 24 hours. Before placing your order for please contact us for confirmation on the book's binding. Check out our other listings to add to your order for discounted shipping. Seller Inventory # WAL-P-1a-02338
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Who Came First? (Direct Mail Edition): New Clues to Prehistoric Americans
Published by
National Geographic Kids, 2003
ISBN 10: 0792282280
ISBN 13: 9780792282280
Used
Hardcover
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.
Seller rating 5 out of 5 stars
Hardback. Condition: Good. A an lise de um conjunto de dipolos log-peri dicos (LPDA) utilizando o HFSS envolve uma avalia o abrangente do seu desempenho eletromagn tico numa vasta gama de frequ ncias. A an lise come a com a simula o do modelo LPDA, onde o HFSS calcula os par metros S para determinar a imped ncia de entrada e os coeficientes de reflex o, garantindo a correspond ncia adequada da imped ncia nas frequ ncias de funcionamento. O software tamb m gera os padr es de radia o em diferentes frequ ncias, fornecendo informa es sobre a directividade, o ganho e a largura do feixe da antena. Ao examinar estes padr es, poss vel avaliar o desempenho da LPDA em termos das suas propriedades direccionais e cobertura. Al m disso, o HFSS permite a visualiza o da distribui o de corrente nos elementos do dipolo, destacando reas de radia o m xima e potenciais pontos de acesso. Atrav s destas an lises, poss vel identificar e resolver potenciais problemas, tais como resson ncias ou incompatibilidades. Os resultados do HFSS permitem uma compreens o detalhada do comportamento do LPDA, facilitando melhorias iterativas no projeto para melhorar o desempenho, a largura de banda e a efici ncia. Esta an lise abrangente garante que o LPDA cumpre as especifica es pretendidas. Seller Inventory # 00097934336
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Who Came First? New Clues to Prehistoric Americans
Published by
National Geographic Children's B, 2003
ISBN 10: 0792282280
ISBN 13: 9780792282280
Used
Hardcover
Seller: HPB-Movies, Dallas, TX, U.S.A.
Seller rating 4 out of 5 stars
hardcover. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! Seller Inventory # S_423713090
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Who Came First? (Direct Mail Edition) : New Clues to Prehistoric Americans
Published by
National Geographic Society, 2003
ISBN 10: 0792282280
ISBN 13: 9780792282280
Used
Hardcover
Seller: Better World Books, Mishawaka, IN, U.S.A.
Seller rating 5 out of 5 stars
Condition: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 3485346-6
Stock Image
Who Came First? (Direct Mail Edition) : New Clues to Prehistoric Americans
Published by
National Geographic Society, 2003
ISBN 10: 0792282280
ISBN 13: 9780792282280
Used
Hardcover
Seller: Better World Books, Mishawaka, IN, U.S.A.
Seller rating 5 out of 5 stars
Condition: Very Good. Former library copy. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good. Seller Inventory # 5724680-75
Stock Image
Who Came First? (Direct Mail Edition): New Clues to Prehistoric Americans
Published by
National Geographic Kids, 2003
ISBN 10: 0792282280
ISBN 13: 9780792282280
Used
Hardcover
Seller: World of Books Inc, Montgomery, IL, U.S.A.
Seller rating 4 out of 5 stars
Hardback. Condition: Good. A an lise de um conjunto de dipolos log-peri dicos (LPDA) utilizando o HFSS envolve uma avalia o abrangente do seu desempenho eletromagn tico numa vasta gama de frequ ncias. A an lise come a com a simula o do modelo LPDA, onde o HFSS calcula os par metros S para determinar a imped ncia de entrada e os coeficientes de reflex o, garantindo a correspond ncia adequada da imped ncia nas frequ ncias de funcionamento. O software tamb m gera os padr es de radia o em diferentes frequ ncias, fornecendo informa es sobre a directividade, o ganho e a largura do feixe da antena. Ao examinar estes padr es, poss vel avaliar o desempenho da LPDA em termos das suas propriedades direccionais e cobertura. Al m disso, o HFSS permite a visualiza o da distribui o de corrente nos elementos do dipolo, destacando reas de radia o m xima e potenciais pontos de acesso. Atrav s destas an lises, poss vel identificar e resolver potenciais problemas, tais como resson ncias ou incompatibilidades. Os resultados do HFSS permitem uma compreens o detalhada do comportamento do LPDA, facilitando melhorias iterativas no projeto para melhorar o desempenho, a largura de banda e a efici ncia. Esta an lise abrangente garante que o LPDA cumpre as especifica es pretendidas. Seller Inventory # CIN0792282280G
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Who Came First? New Clues to Prehistoric Americans
Published by
National Geographic Children's Books, 2003
ISBN 10: 0792282280
ISBN 13: 9780792282280
Used
Hardcover
Seller: ThriftBooks-Atlanta, AUSTELL, GA, U.S.A.
Seller rating 5 out of 5 stars
Hardcover. Condition: Good. No Jacket. Former library book; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0792282280I3N10
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Who Came First?: New Clues to Prehistoric Americans
Published by
National Geographic Children's Books, 2003
ISBN 10: 0792282280
ISBN 13: 9780792282280
Used
Paperback
Seller: WorldofBooks, Goring-By-Sea, WS, United Kingdom
Seller rating 5 out of 5 stars
Paperback. Condition: Very Good. The book has been read, but is in excellent condition. Pages are intact and not marred by notes or highlighting. The spine remains undamaged. Seller Inventory # GOR004422517
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