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A perceptual study of speaker age

The present paper examines listeners’ ability to judge speaker age from stimuli consisting of phonated isolated words, and also suggests subdivision (categorisation) of voices into typical and atypical groups, depending on the listeners’ age estimating abilities.

Chemical characterization of the predominant proteins secreted by mouse seminal vesicles

Mouse seminal vesicles secrete four major protein components with estimated molecular masses of 95, 38, 17, and 16 kDa. Amino acid sequencing revealed that the 95-kDa component represents a protein with an unknown structure, while the 38-kDa component was identified as semenoclotin, the 17-kDa component as seminal-vesicle-secreted protein IV, and the 16-kDa component as seminal-vesicle-secreted pr

The role of organizational culture on ERP implementation

Enterprise Resource Planning (ERP) systems have become a fundamental part of business infrastructure. In an effort to minimize the risk associated with ERP implementation, a number of critical success factors (CSFs) have been developed. However, CSFs are presented as independent from context, under the pretense that all ERP implementations are equal. In this study, we challenged this assumption by

Obtaining Psychological Spaces with MDS - a pilot study with Perceptual stimuli

The main purpose of this paper is to describe how a psychologically motivated conceptual space can be obtainded with MDS (Multidimensional scaling) and how it can be expressed in terms of a more primitive "physical" (or mathematical) one. The idea is demonstrated practically with the aid of two experimental pilot studies. The paper is concluded by a critical discussion of the method used

A Class-AB 1.65GHz-2GHz Broadband CMOS Medium Power Amplifier

In this paper a single stage broadband CMOS RF power amplifier is presented. The power amplifier is fabricated in a 0:25¹m CMOS process. Measurements with a 2:5V supply voltage show an output power of 18:5 dBm with an associated PAE of 16% at the 1-dB compression point. The measured gain is 5.1 § 0:5 dB from 1.65 to 2 GHz. Simulated and measured results agree reasonably well.