Imagery

Through this study, we have shown that ultrasonic imagery can be an optimal solution to the different problems in Non Destructive Testing. This method, largely used, would have to be introduced in industry by an investment of the NDT users. This also requires a reorientation and supplementary operators trained in ultrasonic techniques. 

D. CHAUVEAU, Introduction a I imagerie ultrasonore. Les differents types de visualisation utilises, Soudage et techniques connexes, Mai / Juin 93, Volume. 47-n 5/6-Paris. 

The result is an imagery with the same quality as that given by a more high frequency method. VIII. REFERENCES... 

Useful protocols can only be produced for information that is coded in a verbal form in memory. Tasks that rely on visual imagery for their execution, or have become "automated" due to over-practice wiU be very difficult to verbalize. Hence the technique may provide little useful information and may even produce misleading reports for these tasks. To encourage task verbalization some coaching should be given to the task experts and the goals of the study should be explained so that they can make greater efforts to report on aspects of the task which are of particular importance. 

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Examples of semi-quantitative assessments include interpretive maps and informational matrices which could be utilized to relate land-use, topography and erosion or other non-point source problems. Remote sensing imagery from low, intermediate and high altitude are applicable to this approach (29). 

Erosion/Deposition Impact Matrix and Map. Methods applied in this semi-quantitative assessment involved mapping depositional features using high and low altitude imagery, numerical ranking of land use activity impacts and construction of problem matrixes. The information generated in these first steps were applied to the Universal Soil Loss Equation (15-16),... 

The rationale for the development and application of the matrix was established 20 to 25 years ago and is discussed elsewhere (14,17). The location and density of land erosion and deposition features were identified through intensive analysis of stereoscopically paired color infra-red images at a scale of 1 130,000. The observations made from the color infra-red analysis were systematically noted and verified through field observation and low altitude imagery (14). 

Before leaving the subject of distribution of electrons within molecules, and its attribution to the origin of molecular polarity, with consequent effect on intermolec-ular forces (with further consequent effects on solubilities and melting points), it is pertinent to remind ourselves of two significant challenges faced by chemistiy instractors (i) to graphically represent forces of attraction between molecules and (ii) to develop the imagery that in the liquid state, orientation of molecules toward each other because of polarities is transitory, even if more probable, as they move past each other. 

One important reason for the emergence of Paracelsian alchemical illustration may have been its function as a psychological compensation for the rejection of Catholic imagery by the Protestants and the resulting spiritual and emotional insecurity experienced by many of the faithful. It is not merely coincidental that Paracelsian iconography should appear in Protestant areas where traditional Catholic icons had been destroyed. (The development of a specihcally Catholic interest in alchemy, however, was a phenomenon of the mid-seventeenth century developed in the work of Athanasius Kircher and other Jesuits.) ... 

This manuscript was first discussed by Carbonelli, but he did not provide a detailed analysis of its style and contents and it has received little attention since.The text is composed of aphorisms of famous alchemists who include Hermes Trismegistus, Aristode, Geber, Amald of Villanova, Senior and characters from the Turba Phibsophorum, such as Rasis. They give instructions about the secrets of the process and the text is supported by visual imagery, arranged in a narrative... 

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