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Structures of Change in the Mechanical Age

Structures of Change in the Mechanical Age
Author: Ross Thomson
Publisher: JHU Press
Total Pages: 449
Release: 2009-05-08
Genre: Business & Economics
ISBN: 0801891418
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The United States registered phenomenal economic growth between the establishment of the new republic and the end of the Civil War. This study argues that the transition of the United States from an agrarian economy in 1790 to an industrial leader in 1865 relied fundamentally on the spread of technological knowledge within and across industries.

Structures of Change in the Mechanical Age

Structures of Change in the Mechanical Age
Author: Ross Thomson
Publisher: JHU Press
Total Pages: 450
Release: 2009-05-08
Genre: Technology & Engineering
ISBN: 0801896622
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The United States registered phenomenal economic growth between the establishment of the new republic and the end of the Civil War. Ross Thomson's fresh study accounts for the unprecedented technological innovations that helped propel antebellum growth. Thomson argues that the transition of the United States from an agrarian economy in 1790 to an industrial leader in 1865 relied fundamentally on the spread of technological knowledge within and across industries. Essential to this spread was a dense web of knowledge-diffusing institutions—new occupations and industries, the patent office, machine shops, mechanics’ associations, scientific societies, public colleges, and the civil engineering profession. Together they composed an integrated innovation system that generated, disseminated, and employed new technical knowledge across ever-widening ranges of the economy. To trace technological change in fourteen major industries and the economy as a whole, Thomson analyzes 14,000 patents, the records of two dozen machinery firms, census data for 1,800 companies, and hundreds of business directories. This exhaustive research leads to his interesting interpretation of technological diffusion and development. Thomson's impressive study of the infrastructure that fueled and supported the young country’s economic and industrial successes will interest students of economic, technological, and business history.

Mechanical Stress, Functional Adaptation and the Variation Structure of the Human Femur Diaphysis

Mechanical Stress, Functional Adaptation and the Variation Structure of the Human Femur Diaphysis
Author: E. Amtmann
Publisher: Springer Science & Business Media
Total Pages: 87
Release: 2012-12-06
Genre: Medical
ISBN: 3642652301
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According to the classical theory of functional structure of bone which was developed by J. Wolff (1884, 1892) and W. Roux (1895) following the investigations of the functional architecture of the substantia spongiosa by H. von Meyer (1867), bone is "functionally" laid down in gross form as well as in minute architecture in accordance with the "maximum-minimum-law". As a result of functional adaptation, a maximum of efficiency is achieved with a minimum of material (Kummer, 1962a). In this sense functional adaptation is a reaction of adaptation of the idiotype-within the bounds of the reaction norm-to a changed internal environment, that is in this case an adaptation to changed mechanical stresses. 1. The Formation of the Normal Femur Shape The heredity basis of shape characteristics of human femora is really unknown. Identical twins show a significant lower variability of length of femur than binovular twins. Population variability of length of femur due to heritability may exceed twice the variability due to environmental factors (Knussmann, 1968). A significant part of the total variation of femur shape characteristics remains therefore unexplained supposing that the sources of variation due to heritability and environmental factors are also nearly the same for the other traits.

Pediatric Respiratory Medicine E-Book

Pediatric Respiratory Medicine E-Book
Author: Lynn M. Taussig
Publisher: Elsevier Health Sciences
Total Pages: 1400
Release: 2008-04-09
Genre: Medical
ISBN: 0323070728
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Featuring the work of recognized worldwide experts, this user-friendly text presents the most current scientific information, diagnostic approaches, and management strategies for the care of children with acute and chronic respiratory diseases. A consistent chapter format enables you to rapidly and effortlessly locate the most current protocols on manifestations, etiologies, triggers, approaches to treatment, complications, and preventative strategies. And, a bonus website—new to this edition—features all of the book’s illustrations and extensive reference lists for each chapter in electronic format for your personal use. Includes guidance on differential diagnosis to help you determine which disease or condition your patient may have. Uses extensive color-coded algorithms to facilitate quick diagnosis, management, and treatment decisions. Organizes material to parallel your clinical decision making process. Provides expert guidance on what diagnostic tests to order for each patient—and how to interpret the results. Presents important “take home concepts within each chapter to help you recall clinical pearls. Includes the most need-to-know basic science, focusing on providing clear implications for patient care. Includes a separate website with all of the images from the text and extensive reference lists—downloadable for your personal use. Provides the latest scientific information and diagnostic and management strategies for the care of children with respiratory illnesses. Features a new, functional four-color design to help you identify important information quickly and differentiate between essential and extraneous material. Presents cutting-edge coverage with new information on the biology of, and the influences on, the respiratory system during childhood, as well as the diagnosis and management of both common (ie, wheezing infant, cystic fibrosis, tuberculosis) and less common (ie, SARS, chest tumors, collagen vascular diseases, Familial Mediterranean Fever) conditions.

The Subchondral Bone Plate

The Subchondral Bone Plate
Author: Magdalena Müller-Gerbl
Publisher: Springer Science & Business Media
Total Pages: 208
Release: 2013-03-09
Genre: Medical
ISBN: 3642720196
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Investigations on anatomical specimens have demonstrated that the subchondral mineralization does indeed show regular distribution patterns from which conclusions about the mechanical situation within an individual joint may be drawn. Since radiographical densitometry and histological methods are only available for determining the adaptive reaction of the bone to the mechanical situation in a joint after death, the information obtained applies only to an end situation and tells us nothing about the development of the changes with time. Furthermore, investigations carried out on human specimens by radiographical densitometry mostly apply to samples of a particular age, since such specimens can be acquired only from departments of pathology, forensic medicine or anatomy.

The Work of Art in the Age of Mechanical Reproduction

The Work of Art in the Age of Mechanical Reproduction
Author: Walter Benjamin
Publisher:
Total Pages: 0
Release: 2023-03-02
Genre: Art
ISBN: 9781774640074
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Walter Benjamin discusses whether art is diminished by the modern culture of mass replication, arriving at the conclusion that the aura or soul of an artwork is indeed removed by duplication. In an essay critical of modern fashion and manufacture, Benjamin decries how new technology affects art. The notion of fine arts is threatened by an absence of scarcity; an affair which diminishes the authenticity and essence of the artist's work. Though the process of art replication dates to classical antiquity, only the modern era allows for a mass quantity of prints or mass production. Given that the unique aura of an artist's work, and the reaction it provokes in those who see it, is diminished, Benjamin posits that artwork is much more political in significance. The style of modern propaganda, of the use of art for the purpose of generating raw emotion or arousing belief, is likely to become more prevalent versus the old-fashioned production of simpler beauty or meaning in a cultural or religious context.

Essential Tissue Healing of the Face and Neck

Essential Tissue Healing of the Face and Neck
Author: Hom
Publisher: PMPH-USA
Total Pages: 467
Release: 2006-11
Genre: Health & Fitness
ISBN: 1550093487
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Focuses on wound healing of the face and neck, integrating scientific principle with clinical precept. This book includes step-by-step surgical techniques that demonstrates the best methods of repair of tissue. It presents healing concepts that encompass the structures of the skin, cartilage, bone, oral mucosa, middle ear mucosa and airway mucosa.

The Metallurgist

The Metallurgist
Author:
Publisher:
Total Pages: 404
Release: 1927
Genre: Metallurgy
ISBN:
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