Monte carlo technique to simulate aflatoxin testing programs for peanuts

A computer model that accounts for sampling, subsampling, and analytical variability was developed to simulate aflatoxin testing programs. Monte Carlo solution techniques were employed to account for conditional probabilities that arise from multiple samples, subsamples, and/or analyses being used in testing programs. The aflatoxin testing program to be used on the 1974 peanut crop was evaluated by use of the described model. ARS, USDA, and Biological and Agricultural Engineering Department, North Carolina State University, Raleigh, NC 27607.     

Crystal Data for C.I. Pigment Yellow 74

The single-crystal data and X-ray powder pattern are reported for C. I. Pigment Yellow 74 [α-(1-hydroxy-ethylidene)acet-2-methoxyanilide-α-azo-(2′-methoxy-4′-nitrobenzene)]. The powder pattern has been indexed from the cell dimensions given by single-crystal measurements; the problems of multiple indexing have been reduced by comparing the powder with observed single-crystal intensities.     

Crystal Data for C.I. Pigment Yellow 65

The single-crystal data and X-ray powder pattern are reported for C.I. Pigment Yellow 65 [|α-(1-hydroxy-ethylidenejacet-2-methoxy-anilide-α-azo-(4′-methoxy-2′-nitrobenzene)]. The powder patter has been indexed from the cell dimensions given by single crystal measurements; by problems of multiple indexing have been reduced by comapring the powder data with observed single-crystal intensities.     

An industry-sponsored professional development course: design forautomotive ASICs

Delco Electronics Corporation developed and offered a two week professional development course on integrated circuit (IC) design entitled “Design for Automotive ASICs” during the summer of 1991. It was cosponsored with the American Society for Engineering Education, with additional training and support provided by Mentor Graphics, Cascade Design Automation and Hewlett Packard Corporations. During the first week, engineers and managers from Delco Electronics described products and technologies through several presentations and tours. Also, the participants learned about IC design tools and methodology through lectures and labs using engineering workstations. During the second week the participants designed one of four ICs based on circuit specifications for automotive applications. Our experiences in the planning and execution of this course can provide guidance for others considering the development of an industry-sponsored course     

Sequence-invariant state machines

A synthesis method and an MOS VLSI architecture are presented to realize sequential circuits that have the ability to implement any state machine having N states and m inputs, regardless of the actual sequence specified in the flow table. The design method utilizes binary tree structured logic to implement regular and dense circuits. The desired state sequence can be hardwired with power supply connections or can be dynamically reallocated if stored in a register. This allows programmable VLSI controllers to be designed with a compact size and performance approaching that of dedicated logic. Results of ICV implementations are reported and an example sequence-invariant state machine is contrasted with implementations based on traditional methods     

Microwave holographic metrology of large reflector antennas

A microwave holographic technique for the determination of amplitude and phase of the principal and cross-polarized aperture fields of large reflector antennas is described. The hologram formation process utilizes the elevation over azimuth scanning system normally associated with these antennas, and, in this respect, appears to be unique among other proposed methods of field probing. The present work describes the means used to obtain vital information on the antenna structure such asE- andH-plane phase centers of the feed, and rms values of the reflector surface profile errors. Accurate prediction ofE- andH-plane radiation patterns in the near- and far-field is also demonstrated.     

The Rorschach and Holtzman as measures of pathognomic verbalization.

This study was planned to obtain information about the reliability of Rorschach and Holtzman pathognomic verbalization scores (V). The Rorschach and Holtzman protocols of 45 psychiatric patients were scored by scorer A and 19 of the Holtzman protocols were scored "blind" by scorer B. Holtzman interscorer reliability was .81 (p     

Accuracy of subsampling mill for granular materials

A subsampling mill was constructed with 19 subsample spouts similar to the 1 or 2 subsample spouts on the conventional subsampling mills. Samples of peanuts, each of which contained 1 kernel made radioactive by neutron activation, were comminuted in the mill. For treatment M the discharge from each spout was kept separate. For treatment R, the discharge from all 19 spouts was blended together in a twin-shelled blender and subdivided with a riffle divider into 16 subsamples which averaged the same weight as the M subsamples. Radioactivity counts/gram of each subsample were measured. Eleven samples were comminuted for each treatment which produced a total of 209 M samples and 176 R samples. An analysis of variance on the pooled data from each treatment showed a mean square error of 1318.3 for the M treatment and 1278.6 for the R treatment. The null hypothesis that the mean square errors for the two treatments are equal was not rejected by the F test (P=0.421).