Measuring absorbed energy in the human auditory system using finite element models: A comparison with experimental results.

Background: There are different ways to analyze energy absorbance (EA) in the human auditory system. In previous research, we developed a complete finite element model (FEM) of the human auditory system.

Objective: In this current work, the external auditory canal (EAC), middle ear, and inner ear (spiral cochlea, vestibule, and semi-circular canals) were modelled based on human temporal bone histological sections.

Microhardness and Microstructure Analysis of the LPBF Additively Manufactured 18Ni300.

This research focuses on analysing the 18Ni300 maraging steel produced through laser powder bed fusion. Specifically, it aims to examine the phase components using X-ray diffraction, the microstructure through scanning electron microscopy, and the hardness of the different structures present in the manufactured material. The primary goal is to meticulously analyse the material and its microstructures.

Tomography of Laser Powder Bed Fusion Maraging Steel.

The presence of defects in additive manufactured maraging steel is a widespread problem as its dependence on processing parameters significantly influences it. Using X-ray computed tomography, along with optical microscope data limited to 2D images, quantifies the internal porosity present on a compact tension sample typically employed in fatigue testing. The primary goal of this research is to analyse the pores obtained after the fabrication of a compact tension sample and their main definition parameters, such as sphericity, aspect ratio, surface, and volume, and obtain validation of which method is valid for each of the parameters analysed.

Influence of Porosity on Fatigue Behaviour of 18Ni300 Steel SLM CT Specimens at Various Angles.

In order to improve understanding of the fatigue behaviour in additive manufactured samples, this research delves into the challenging interplay between building parameters, particularly fabrication angles, and the presence of pores. The primary objective is to explore the characterisation of these pores and unravel their relationship with the fatigue properties of the material under investigation. Through a systematic analysis of porosity distribution in various fabrication orientations, supplemented by a detailed examination of the elemental dispersion around specific porous structures using energy-dispersive X-ray spectroscopy, a consistent behavioural pattern emerges across the samples.

A Literature Review of Incorporating Crack Tip Plasticity into Fatigue Crack Growth Models.

This paper presents an extensive literature review focusing on the utilisation of crack tip plasticity as a crucial parameter in determining and enhancing crack growth models. The review encompasses a comprehensive analysis of various methodologies, predominantly emphasising numerical simulations of crack growth models while also considering analytical approaches. Although experimental investigations are not the focus of this review, their relevance and interplay with numerical and analytical methods are acknowledged.

Effect of high-pressure homogenization on different matrices of food supplements.

There is a growing demand for food supplements containing high amounts of vitamins, phenolic compounds and mineral content that provide health benefits. Those functional compounds have different solubility properties, and the maintenance of their compounds and the guarantee of their homogenic properties need the application of novel technologies. The quality of different drinkable functional foods after thermal processing (0.

Good urodynamic practices in a non-specialized center: quality control analysis.

Objectives: To review the quality of urodynamic studies performed in one Center in order to assess adherence to the ICS Good Urodynamic Practice Guidelines.

Methods: Sixty-two consecutive urodynamic studies performed between March 2012 and May 2013 were retrospectively reviewed. We followed a list of common features to analyze all records.

[Cutaneous metastases from transitional cell carcinoma of the bladder producing beta-HCG].

In spite of the high incidence of transitional cell carcinoma, cutaneous metastases are infrequent, especially when they are the first sign of metastatic spread, with a low survival rate. Thirty five per cent of transitional cell carcinoma of the bladder have ectopic beta- human chorionic gonadotropin (beta-HCG) production. It has been related with high grade tumors, advanced stage, metastatic disease, radioresistent tumors and low survival rate because of its effect as a growth modulator with a probably antagonist action in the apoptotic cascade.