Josiah A. Hoskins

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We have been examining a number of chemically modified mineral fibers, derived from amosite asbestos, by in vitro methods to clarify the role of the fiber surface in determining biological activity. The various fibers have identical size distributions but differ in their affinities for components of the cell membrane. They were treated with boiling toluene(More)
• miss paper discusses the development of a multimedia transfer technology system for the information contained in and required by the Canadian Forest Fire Behavior Prediction (FBP) System. The multimedia system consists of a diverse set of visual, numerical, and empirical models unified in their approach to simulating, explaining and elaborating the(More)
This paper presents a novel application of ray tracing techniques to the development of a model for simulating the dynamics of pure, even-aged boreal forest stands. In this study, the spatial distribution of the individual trees, together with the latitude, longitude, orientation of the test plot, and the degree of shade intolerance of the species were(More)
The usual algorithms for the analysis and synthesis of woven textile structures assume, in general, that the interlacement data is binary, and that this data corresponds on a one-to-one basis with the visible pattern exhibited by a cloth constructed of just two colors. As soon as this two-valued restriction is lifted and the data array is permitted to(More)
This paper describes the application of ray tracing, rendering, and morphing technology to the study and analysis of the spread of dwarf mistletoe. The practical problems involved in examining the spread and speed of such a slow pathogen, with such serious economic consequences, is illustrated. Tbe utility of applying this standard graphics technology to(More)
In vitro solubility testing is an important means of assessing the likely behavior of fibers that are respired and accumulate in the lung. The problem has been that such tests often do not mirror the dissolution and removal mechanisms seen in vivo. Comparison of iron and silica solubility values of various types of mineral fiber showed no obvious(More)
The design and analysis of woven textile structures requires the precise manipulation of large amounts of numerical data, the majority of which is binary. As such, algorithms to perform these designs and analytical tests are ideally suited for machine implementation. The use of a microcomputer as a vehicle for the implementation of these algorithms greatly(More)
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