Minimum Age Difference As a Requisite for Adoption

Minimum return difference as a compensator design tool

Minimum return difference (RDmin) is a single robustness measure that, when large, guarantees that both gain margin (GM) and phase margin (PM) are large. In this paper, a lag and lead compensator design procedure based on RD is proposed, derived, and compared with the commonly used Bode PM-based design methods that undergraduates are taught in the first course on controls and that continue to a...

Minimum Difference Representations of Graphs

Define a k-minimum-difference-representation (k-MDR) of a graph G to be a family of sets {S(v) : v ∈ V (G)} such that u and v are adjacent in G if and only if min{|S(u)− S(v)|, |S(v)− S(u)|} ≥ k. Define ρmin(G) to be the smallest k for which G has a k-MDR. In this note, we show that {ρmin(G)} is unbounded. In particular, we prove that for every k there is an n0 such that for n > n0 ‘almost all’...

Childless Marriage as a Basis for Adoption

Childless marriage has exercised the medical profession for centuries, but has hardly begun to interest the social scientist. For novelists and playwrights it has proved intrinsically fascinating. Nigel Balchin, for example, has written more than one compelling account of what can happen when the stresses inseparable from any marriage have to be contained within the two-person relationship. In ...

Real-ear-to-coupler difference predictions as a function of age for two coupling procedures.

The predicted real-ear-to-coupler difference (RECD) values currently used in pediatric hearing instrument prescription methods are based on 12-month age range categories and were derived from measures using standard acoustic immittance probe tips. Consequently, the purpose of this study was to develop normative RECD predicted values for foam/acoustic immittance tips and custom earmolds across t...

A minimum data set for chronic venous disease