ATTITUDES INFERRED FROM NEUTRAL VERBAL COMMUNICATIONS.

THE DIMENSION OF IMMEDIACY IN VERBAL COMMUNICATION QUANTIFIES DEGREE OF THE INTENSITY AND DIRECTNESS OF INTERACTION BETWEEN A COMMUNICATOR AND THE OBJECT OF HIS COMMUNICATION. A PREVIOUS STUDY INDICATES THAT THERE IS MORE IMMEDIACY IN COMMUNICATIONS ABOUT LIKED OTHERS THAN ABOUT DISLIKED OTHERS. IN THE PRESENT STUDY SS, WHO WERE NOT FAMILIAR WITH THE EXPLICIT IMMEDIACY CATEGORIES AND ASSOCIATED INFERENCES ABOUT ATTITUDES, WERE PRESENTED WITH PAIRS OF COMMUNICATIONS DIFFERING IN DEGREE OF IMMEDIACY, BUT NEUTRAL IN EXPLICIT COMMUNICATION OF ATTITUDES. IT WAS PREDICTED THAT IN THE CASE OF OSTENSIBLY NEUTRAL COMMUNICATIONS THE MORE IMMEDIATE COMMUNICATION IN EACH PAIR WOULD BE JUDGED AS INDICATING A MORE POSITIVE QUALITY OF COMMUNICATOR ATTITUDE. THE PREDICTION WAS CONFIRMED IN 6 OF THE 7 IMMEDIACY CATEGORIES INVESTIGATED. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Thermal Conductivity of Refractory Castables

Thermal conductivity measurements were made on various refractory castabales of both dense fireclay and high-alumina types as well as on several insulating castables. These tests, covering mean specimen temperatures of 200° to 2000°F, indicated how the thermal conductivity of a castable material varies with thermal history. The measurements were made using a modified ASTM C 201–47 apparatus.     

SHOULD SOME PEOPLE BE LABELED MENTALLY ILL?

CONSIDERS WHETHER IT IS PROPER TO LABEL SOME PEOPLE MENTALLY ILL IN VIEW OF THE SOCIAL DISCRIMINATIONS, SELF-DENIGRATION, INTERFERENCE WITH TREATMENT, IMPEDING OF SOCIAL PROGRESS, AND UNSCIENTIFIC CLOSE-MINDEDNESS WHICH MAY ENSUE WHEN THIS KIND OF LABELING IS EMPLOYED. IF SUCH TERMS AS "MENTAL ILLNESS" ARE OPERATIONALLY DEFINED AND IF THE INDIVIDUALS SO DESCRIBED ARE NOT NEGATIVELY EVALUATED AS PERSONS, IT MAY BE POSSIBLE TO EMPLOY THESE TERMS SCIENTIFICALLY AND USEFULLY. (42 REF.) (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

PURIFICATION AND CHARACTERIZATION OF TWO DOUBLE-HEADED TRITICALE ISOINHIBITORS OF ENDOGENOUS ALPHA-AMYLASE AND SUBTITLISIN1

Two double-headed isoinhibitors of endogenous alpha-amylase and subtilisin have been purified from triticale by immobilized copper affinity chromatography followed by S-Sepharose Fast Flow ion exchange chromatography and preparative isoelectric focusing on a sucrose density gradient ampholyte column. The inhibitors had isoelectric points at pH 7.25 and 6.95, and were present in triticale grains in approximately equal amounts. Both proteins, designated inhibitor 7.25 and inhibitor 6.95, have been purified to homogeneity as assessed by nondenaturing polyacrylamide gel electrophoresis (PAGE) at pH 8.3. They also showed approximately 90% purity as determined by size exclusion limit FPLC. Their properties were similar to the endogenous alpha-amylase/subtilisin inhibitors found in wheat and barley, since they were active against cereal alpha-amylases and subtilisin and they were inactive against salivary and bacterial alpha-amylases as well as against trypsin. Apparent MW of both inhibitors was 20 kilodaltons as estimated from sodium dodecyl sulfate-PAGE under reducing conditions. No carbohydrate was detected in isoinhibitor preparations. The triticale alpha-amylase-triticale inhibitor systems studied revealed a mixed type of inhibition with apparent dissociation constant (Ki) values of 6.2 and 5.8 nM for the inhibitor 7.25 and inhibitor 6.95, respectively.     

Vapor-Phase Growth of Alpha Alumina Single Crystals

A chemical vapor-deposition technique was developed for epitaxial growth of α-Al₂O₃ single crystals utilizing the reaction:

Oriented crystals weighing up to 5 g were grown between 1550° and 1800°C. The growth rate for constant gas compositions and flow rates increased with an increase in temperature. Etch pit studies showed an average dislocation density of 5 × 10³ dislocations/cm². Spectrochemical and neutron activation analyses indicated total impurity levels below 35 ppm. Crystalline perfection and morphology were controlled by substrate temperature, total pressure, and reactant gas partial pressures.     

Dyes Containing Aliphatic Amino End Groups: An Approach to Reactive Dyes for Polyester Fibre via Transamidation

The synthesis and characterization of a number of 3–[N–(3′–aminopropyl)carboxamido]–4–arylazopyrazolone dyes is described. Under Thermosol dyeing conditions, a certain amount of covalent bonding occurs between the dyes and polyester fibre via transamidation.     

A NEURAL NETWORK APPROACH TO ON-LINE IDENTIFICATION OF NONLINEAR SYSTEMS

Research investigating neural identification of dynamic systems has concentrated on off-line techniques. To be suitable for adaptive process control, on-line algorithms must be developed. This study investigates a modified back-propagation technique to achieve practical on-line capability. A technique denoted history-stack enhancement greatly improves the identification performance of the neural network. As a demonstration, a composite system of formidable but realistic nonlinear components was constructed and used to compare identification techniques including a recursive linear estimator and die new neural method. The results show that on-line neural identification is feasible for a wide range of formidable nonlinear characteristics individually found in industrial processes. Although performance is slower than with linear identification, the asymptotic accuracy of the neural technique is better for the nonlinear system being identified.     

CALENDER

An algorithm for on-line detection of damage to structures caused by ground shaking is presented. Real-time sampled response data are processed by templates in the form of ID (for structural identification) neural networks, which differentiate damage according to similarity of the response to those encapsulated in the templates. Numerical examples based on a simple 2-story steel-frame building are used to illustrate the proceedings and to underscore the limitations of the method. The challenges of on-line damage detection are discussed in detail to promote better understanding of how the proposed algorithm has evolved and, in particular, why neural networks are used. Widespread application of the algorithm, and damage detection in general, depends on the establishment of an adequate ID networks database, a far more daunting task in practice than in the theoretical setting of the paper.     

THE SEARCH FOR THE KEY BOOK TO NICHOLAS TRIST'S BOOK CIPHERS

Abstract

This article presents the evolution of the Arabic cryptologic treatises discovered in Istanbul's Süleymaniye library, linking its various phases to the greater bureaucratic trends of the regimes which produced these treatises.