Properties Of Excess Research Articles

Growth in children with adrenocortical tumors

Longitudinal growth was assessed in 10 children aged 0.8 to 11.8 years with adrenocortical tumors. All children had signs of androgen excess. In addition, 5 children had glucocorticoid excess, 1 child had estrogen excess. Multiple height recordings, expressed as height standard deviation score for chronological age, were available in 7 children. 5 patients in whom the tumor was successfully removed had postoperatively decreasing height standard deviation scores. 2 patients in whom tumor disease and hormone overproduction were not effectively controlled continued to show increased growth. When simultaneously present in one patient, the growth-promoting effects of androgen excess appear to override the growth-blocking properties of endogenous glucocorticoid excess. The importance of longitudinally recorded growth data for early diagnosis of an adrenocortical tumor is limited to those few children in whom hormone excess is given enough time to act on the skeleton before other tumor-related symptoms appear.

On the Thermodynamics of Surface Transitions Close to the Bulk Critical Point

AbstractIn the Ginzburg‐Landau functional approximation, thermodynamics of phase transitions occuring at the surface of binary alloys, ferromagnets, and similar systems are analysed in detail, including finite bulk and surface thermodynamic fields. Equations describing the lines of the Nakanishi and Fisher surface transition diagram are derived. For all the lines and (multi‐)critical points of the diagram, complete sets of thermodynamic critical exponents are obtained and scaling properties of the free energy surface excess, δfs, are examined in detail. The classical scaling of the bulk only holds at the critical prewetting lines. At the rest of the transitions, δfs is either a sum of two scaling functions with different exponents or includes a logarithmic singularity in addition to the leading one. This kind of scaling apparently represents some general properties of systems with surface‐broken symmetry or in contact with a short‐range substrate.

Simplified proof and extension of integral properties of gravity waves of finite amplitude : Yu, Zhouwen and Pingxing Ding, 1987. Acta oceanol. sin. (English version), 6(3):335–343

By means of a rather simple and direct method, this paper deduces the relations between the kinetic energy of waves and the horizontial momentum, and between different kinds of energies of waves, thus greatly simplifying the corresponding processes of deduction given by Starr and others. Furthermore, several important integral properties of two-dimensional, irrotational, periodic and permanent waves, which are generalized to the case with uniform current existing, the concept of wave excess is established, and some important integral properties of wave excess are deduced.

Analysis of solar-radiation characteristics at the EURELIOS power plant of Adrano

Two years of experimental data, measured with high resolution at Adrano, have been analysed. The behaviour of the radiation changes on short time intervals, the cumulative distributions, the statistical properties and the influence of the integration time have been studied in detail. The distributions of daily collected energy in different periods andvs. power thresholds have been computed together with the differences between the average and the most favourable periods. In order to allow the optimum dimensioning of the storage system, a study on the statistical properties of excess (**) and recurrence time intervals has been developed.