239 research outputs found
[Letter] 1908 May 6, New York [to] Henry Ketcham, Rugby (North Dakota) / Ida Tarbell.
No full textThe letter is typed on _American Magazine_ letterhead.Tarbell responds to Ketcham\u27s letter regarding Mr. Whitney\u27s transcription of Abraham Lincoln\u27s "lost speech." Tarbell states that the magazine is not pretending the reconstruction is authoritative, and is aware that discrepencies may exist, but "It was better than nothing, and before Mr. Whitney wrote this report, we had nothing at all on the speech." In addition to working as a journalist and penning biographies of Lincoln and industrial leaders, Tarbell also wrote her own autobiography _All in the Day\u27s Work_ (1939). Henry Ketcham was an author who wrote about Abraham Lincoln
Fannie B. Ketcham, (1863-1954), purchased by Mrs. Lois M. Ketcham on June 10, 1954.
No full textDocuments regarding the headstone for Fannie B. Ketcham, (1863-1954), purchased by Mrs. Lois M. Ketcham. The marker was placed at Forest Cemetery, Lot 16, Section B in Toledo, Ohio. The stone is duplicate of Aurthur C. Ketcham, (1895-1950) and made of Silver Gray with sandstone base in Sandblast letters. Rubbings is included
The Victorian Newsletter (Fall 1964)
No full textThe Victorian Newsletter is edited for the English X Group of the Modern Language Association by William E. Buckler, 737 East Building, New York University, New York, N.Y. 10003.The Thematic Evolution of "The Idylls of the King" / Nancy M . Engbretsen -- Resolution of Identity in "Our Mutual Friend" / Masao Miyoshi -- The Pattern of Self-Alienation in "Great Expectations" / Mordecai Marcus -- Symbolic Characterization in "One of Our Conquerors" / Fred C. Thomson -- Caleb Garth of "Middlemarch" / Russell M. Goldfarb -- Disraeli's Use of Shelley / Roland A. Duerksen -- "The Bride of Literature": Ruskin, The Eastlakes, and Mid-Victorian Theories of Art / Wendell Stacy Johnson -- "Principle in Art" as Criticism in the Mainstream / Marvel Shmiefsky -- A Note on the Feverel Crest / Carl H. Ketcham -- English X New
Computer simulation as a decision support tool
No full textTypescript (photocopy).This dissertation describes an experimental simulation environment called MBS, for "Model Based Simulator." The dissertation presents research results in three stages: (1) MBS design goals, (2) the status of the MBS prototype, and (3) future developments that will lead to a complete MBS design. The discussion of the prototype itself has four parts: a discussion of the MBS modeling logic; the representation of experiments in MBS; the software implementation; and an example of simulation development in MBS. MBS views a simulation model as comparable to a production database in which the schema specifies the information needed to characterize objects in the system, the movement of objects from one location to another, and simulation control information. The relationships in the schema represent the information needed to model a large class of manufacturing systems. The database, user interface, and MBS simulation routines are implemented in a prototype, which is entirely original code written in C. Commands for developing models, specifying experiments, and examining simulation results are all coordinated in the prototype through the central database. Further flexibility in developing models is achieved through data management capabilities that allow users to specify defaults, move to different levels of a modeling hierarchy, and add new object attributes to match particular modeling requirements. Executing simulations use these same information relationships. When an experiment is run, the model specifications needed to represent a system are selectively extracted from the database and mirrored in memory using dynamic data structures. Models, therefore, do not exist as program code but exist as information relationships. Because the prototype schema incorporates a degree of knowledge about manufacturing systems, an interactive interface uses this knowledge to automatically generate prompts and defaults that lead a user through a complete representation of the system. Also, because all modeling information is held in the central database, modeling data and logical relationships can be accessed by future software modules intended for model verification and experiment formulation
Influence of Biomechanical Constraints on Endpoint Control, Interlimb Coordination and Learning
No full textA number of movements produced in everyday life require not only coordination of joints within a limb, but also coordination between one or more limbs. The aim of this dissertation was to examine the influence of biomechanical constraints on intralimb coordination, interlimb coordination, and learning. Experiment 1 sought to determine if principles of the Leading Joint Hypothesis, when applied to a multijoint bimanual coordination task, could provide insight into the contribution of intralimb dynamics to interlimb coordination. Participants repetitively traced ellipse templates in an asymmetrical coordination pattern (i.e. both limbs moving counter-clockwise). Kinematic data of the upper limbs were recorded with a VICON camera system. Ellipse templates were oriented either tilted right or tilted left; yielding a total of four left arm-right arm leading joint combinations. The findings indicated that stability of interlimb coordination patterns were found to be influenced by whether arm movements were produced with similar or different leading joints. Bimanual asymmetric ellipse-tracing produced with similar leading joints were more stable than patterns produced with different leading joints. For example, asymmetric coordination patterns produced with similar leading joints exhibited less transient behavior than coordination patterns produced with different leading joints (p < .01). Experiment 2 expanded on these findings by employing a similar task and incorporating a learning component to assess how intralimb dynamics are tuned with practice of a novel coordination pattern. Participants were randomly assigned to one of three groups. One group practiced tracing a pair of ellipse templates that were oriented in such a way that required similar leading joints while the other two groups practiced tracing ellipse templates that required different leading joints. Early in practice, the group learning the coordination pattern with similar leading joints exhibited greater interlimb stability than the two groups learning with different leading joints. However, following two days of practice, performance of the groups learning with different leading joints improved to match that of the group learning with similar leading joints. The findings suggest that initial biomechanical constraints can be overcome with practice, resulting in similar performance regardless of whether being produced with similar or different leading joints
Chemical-Enzymatic Synthesis and Conformational Analysis of Sialyl Lewis X and Derivatives
No full textRecent origin of low trabecular bone density in modern humans
No full textHumans are unique, compared with our closest living relatives (chimpanzees) and early fossil hominins, in having an enlarged body size and lower limb joint surfaces in combination with a relatively gracile skeleton (i.e., lower bone mass for our body size). Some analyses have observed that in at least a few anatomical regions modern humans today appear to have relatively low trabecular density, but little is known about how that density varies throughout the human skeleton and across species or how and when the present trabecular patterns emerged over the course of human evolution. Here, we test the hypotheses that (i) recent modern humans have low trabecular density throughout the upper and lower limbs compared with other primate taxa and (ii) the reduction in trabecular density first occurred in early Homo erectus, consistent with the shift toward a modern human locomotor anatomy, or more recently in concert with diaphyseal gracilization in Holocene humans. We used peripheral quantitative CT and microtomography to measure trabecular bone of limb epiphyses (long bone articular ends) in modern humans and chimpanzees and in fossil hominins attributed to Australopithecus africanus, Paranthropus robustus/early Homo from Swartkrans, Homo neanderthalensis, and early Homo sapiens. Results show that only recent modern humans have low trabecular density throughout the limb joints. Extinct hominins, including pre-Holocene Homo sapiens, retain the high levels seen in nonhuman primates. Thus, the low trabecular density of the recent modern human skeleton evolved late in our evolutionary history, potentially resulting from increased sedentism and reliance on technological and cultural innovations
Principi fondamentali dell'assistenza infermieristica. L'arte e la scienza dell'assistenza infermieristica centrate sui bisogni della persona
No full textMesozoic–Tertiary exhumation history of the Altai Mountains, northern Xinjiang, China: New constraints from apatite fission track data
No full textThis study uses apatite fission track (FT) analysis to constrain the exhumation history of bedrock samples collected from the Altai Mountains in northern Xinjiang, China. Samples were collected as transects across the main structures related to Palaeozoic crustal accretion events. FT results and modeling identify three stages in sample cooling history spanning the Mesozoic and Tertiary. Stage one records rapid cooling to the low temperature part of the fission track partial annealing zone circa 70 ± 10 °C. Stage two, records a period of relative stability with little if any cooling taking place between 75 and 25–20 Ma suggesting the Altai region had been reduced to an area of low relief. Support for this can be found in the adjacent Junngar Basin that received little if any sediment during this interval. Final stage cooling took place in the Miocene at an accelerated rate bringing the sampled rocks to the Earth's surface. This last stage, linked to the far field effects of the Himalayan collision, most likely generated the surface uplift and relief that define the present-day Altai Mountains
- …
