Direct Descent

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Site Accessibility and Characteristic Velocity Requirements for Direct-descent Lunar Landings

Vernon J. Weyers
Site Accessibility and Characteristic Velocity Requirements for Direct descent Lunar Landings Book PDF

Author : Vernon J. Weyers
Publisher : Unknown
Page : 36 pages
File Size : 52,9 Mb
Release : 1961
Category : Low temperature engineering
ISBN : UIUC:30112106879635

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Site Accessibility and Characteristic Velocity Requirements for Direct-descent Lunar Landings by Vernon J. Weyers Pdf

A direct descent is one in which the main descent propulsion system burns continuously from lunar approach to touchdown. The characteristic velocity requirement for direct lunar descents is presented as a function of the landing site location relative to the normal impact point. Results are included for translunar trip times of 60, 75, and 90 hours, for specific impulses representative of both Earth storable and cryogenic propulsion systems, for landing sites located anywhere on the lunar surface, and for ignition thrust-to-Earth weight ratios between 0.12 and 10.0. The data presented are useful in determining approximate performance capability and in evaluating tradeoffs during preliminary mission planning studies.

Direct Descent

Frank Herbert
Direct Descent Book PDF

Author : Frank Herbert
Publisher : WordFire +ORM
Page : 90 pages
File Size : 52,5 Mb
Release : 2011-06-12
Category : Fiction
ISBN : 9781614750048

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Direct Descent by Frank Herbert Pdf

From the New York Times–bestselling author of Dune, a sci-fi fantasy about government control of media and information. Earth has become a library planet for thousands of years, a bastion of both useful and useless knowledge—esoterica of all types, history, science, politics—gathered by teams of “pack rats” who scour the galaxy for any scrap of information. Knowledge is power, knowledge is wealth, and knowledge can be a weapon. As powerful dictators come and go over the course of history, the cadre of dedicated librarians is sworn to obey the lawful government . . . and use their wits to protect the treasure trove of knowledge they have collected over the millennia. Herbert, author of Dune.

Elephant Seals

Burney J. Le Beouf,Richard M. Laws
Elephant Seals Book PDF

Author : Burney J. Le Beouf,Richard M. Laws
Publisher : Univ of California Press
Page : 434 pages
File Size : 50,6 Mb
Release : 2023-11-10
Category : Science
ISBN : 9780520328150

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Elephant Seals by Burney J. Le Beouf,Richard M. Laws Pdf

The largest of all seals, elephant seals rank among the most impressive of marine mammals. They are renowned for their spectacular recovery from near-extinction at the end of the nineteenth century when seal hunters nearly eliminated the entire northern species. No other vertebrate has come so close to extinction and made such a complete recovery. The physiological extremes that elephant seals can tolerate are also remarkable: females fast for a month while lactating, and the largest breeding males fast for over one hundred days during the breeding seasons, at which times both sexes lose forty percent of their body weight. Elephant seals dive constantly during their long foraging migrations, spending more time under water than most whales and diving deeper and longer than any other marine mammal. This first book-length discussion of elephant seals brings together worldwide expertise from scientists who describe and debate recent research, including the history and status of various populations, their life-history tactics, and other findings obtained with the help of modern microcomputer diving instruments attached to free-ranging seals. Essential for all marine mammalogists for its information and its methodological innovations, Elephant Seals will also illuminate current debates about species extinctions and possible means of preventing them. This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1994.

Distorted Descent

Darryl Leroux
Distorted Descent Book PDF

Author : Darryl Leroux
Publisher : Univ. of Manitoba Press
Page : 240 pages
File Size : 48,8 Mb
Release : 2019-09-20
Category : History
ISBN : 9780887555947

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Distorted Descent by Darryl Leroux Pdf

Distorted Descent examines a social phenomenon that has taken off in the twenty-first century: otherwise white, French descendant settlers in Canada shifting into a self-defined “Indigenous” identity. This study is not about individuals who have been dispossessed by colonial policies, or the multi-generational efforts to reconnect that occur in response. Rather, it is about white, French-descendant people discovering an Indigenous ancestor born 300 to 375 years ago through genealogy and using that ancestor as the sole basis for an eventual shift into an “Indigenous” identity today. After setting out the most common genealogical practices that facilitate race shifting, Leroux examines two of the most prominent self-identified “Indigenous” organizations currently operating in Quebec. Both organizations have their origins in committed opposition to Indigenous land and territorial negotiations, and both encourage the use of suspect genealogical practices. Distorted Descent brings to light to how these claims to an “Indigenous” identity are then used politically to oppose actual, living Indigenous peoples, exposing along the way the shifting politics of whiteness, white settler colonialism, and white supremacy.

Lineage of Loss

Max Katz
Lineage of Loss Book PDF

Author : Max Katz
Publisher : Wesleyan University Press
Page : 224 pages
File Size : 49,5 Mb
Release : 2017-11-07
Category : Music
ISBN : 9780819577603

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Lineage of Loss by Max Katz Pdf

In the middle of the nineteenth century a new family of hereditary musicians emerged in the royal court of Lucknow and subsequently rose to the heights of renown throughout North India. Today this musical lineage, or ghar n, lives on in the music and memories of only a small handful of descendants and players of the family instrument, the sarod. Drawing on six years of ethnographic and archival research, and fifteen years of musical apprenticeship, Max Katz explores the oral history and written record of the Lucknow ghar n ,tracing its displacement, loss of prestige, and erasure from the collective memory. In doing so he illuminates a hidden history of ideological and social struggle in North Indian music culture, intervenes in ongoing debates over the anti-Muslim agenda of Hindustani music's reform movement, and reanimates a lost vision in which Muslim scholar-artists defined the music of the nation. An interdisciplinary, postmodern counter-history, Lineage of Loss offers a new and unsettling narrative of Hindustani music's encounter with modernity.

Of Irish Descent

Catherine Nash
Of Irish Descent Book PDF

Author : Catherine Nash
Publisher : Syracuse University Press
Page : 370 pages
File Size : 40,6 Mb
Release : 2008-05-26
Category : History
ISBN : 0815631596

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Of Irish Descent by Catherine Nash Pdf

What does it mean to be of Irish descent? What does Irish descent stand for in Ireland? In Northern Ireland? In the United States? How are the categories of “native” and “settler” and accounts of ethnic origin being refigured through popular genealogy and population genetics? Of Irish Descent addresses these questions by exploring the contemporary significance of ideas about ancestral roots, origins, and connections. Moving from the intimacy of family stories and reunions to disputed state policies on noble titles and new applications of genetic research, Nash traces the place of ancestry in interconnected geographies of identity—familial, ethnic, national, and diasporic. Underlying these different practices and narratives are potent and profoundly political questions about who counts as Irish and to whom Ireland belongs. Examining tensions between ideas of plurality and commonality, difference and connection that run through the culture and science of ancestral origins, Of Irish Descent is an original and timely exploration of new configurations of nation and diaspora as communities of shared descent.

Census 1961, Great Britain, Summary Tables

Great Britain. General Register Office
Census 1961 Great Britain Summary Tables Book PDF

Author : Great Britain. General Register Office
Publisher : Unknown
Page : 224 pages
File Size : 43,5 Mb
Release : 1966
Category : Great Britain
ISBN : STANFORD:36105005468108

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Census 1961, Great Britain, Summary Tables by Great Britain. General Register Office Pdf

Jacob's Descent

Sandra Brannan
Jacob s Descent Book PDF

Author : Sandra Brannan
Publisher : Greenleaf Book Group
Page : 264 pages
File Size : 42,7 Mb
Release : 2016-03-29
Category : Fiction
ISBN : 9781632990792

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Jacob's Descent by Sandra Brannan Pdf

Her boyfriend is dead and a grieving Liv is in no mood to solve a mystery. Liv has been forced to take a leave of absence from her job at the FBI following the tragic death of her love, Jack Linwood. She finds herself back home in Rapid City, South Dakota, far from her closest friend and colleague, Streeter Pierce, and her trusted dog, Beulah. Struggling with the risks and pressures of her career and the nostalgia of home, a heartbroken Liv questions whether or not she has made the right choices in life. As if that weren’t enough, she finds herself sitting in a bar staring up into the faces of the bizarre wax heads of the infamous citizens of of Deadwood—where her bullheaded sister Agatha has dragged her to drink off her pain. When it seems Liv will at last be left alone to mourn in peace, a beloved friend of the Bergen family is beaten beyond recognition and left for dead. Liv is suddenly catapulted into the middle of an investigation of a hundred-year-old murder case and a dark and twisted, century-old family feud. Aided—and sometimes derailed—by her comical sisters, a police officer who doesn’t trust her, a cryptic research paper, and a frightening and formidable motorcycle gang member, Liv must discover who beat her friend nearly to death before the perpetrator returns to finish the job and time runs out.

System of Surgery

Samuel D. Gross
System of Surgery Book PDF

Author : Samuel D. Gross
Publisher : Unknown
Page : 1180 pages
File Size : 48,8 Mb
Release : 1872
Category : Electronic
ISBN : UCM:5312146157

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System of Surgery by Samuel D. Gross Pdf

Nonunilineal Descent Groups

Daniel A. Grossman
Nonunilineal Descent Groups Book PDF

Author : Daniel A. Grossman
Publisher : Xlibris Corporation
Page : 173 pages
File Size : 54,8 Mb
Release : 2012-01-20
Category : Social Science
ISBN : 9781465305787

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Nonunilineal Descent Groups by Daniel A. Grossman Pdf

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A Manual of Hindu Law

Standish Grove Grady
A Manual of Hindu Law Book PDF

Author : Standish Grove Grady
Publisher : Unknown
Page : 406 pages
File Size : 47,7 Mb
Release : 1871
Category : Hindu law
ISBN : UOM:39015062407096

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A Manual of Hindu Law by Standish Grove Grady Pdf

A System of Surgery

Samuel David Gross
A System of Surgery Book PDF

Author : Samuel David Gross
Publisher : Unknown
Page : 1244 pages
File Size : 55,8 Mb
Release : 1882
Category : Surgery
ISBN : UOM:39015076957060

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A System of Surgery by Samuel David Gross Pdf