Experiments on two-dimensional soap froth under temperature ramping have been performed. At constant temperatures, the classical linear dependence of the averaged cell area with time is observed at di8'erent temperatures. The rate of change of area depends sensitively on temperature. For froths under constant temperature ramping, in contrast to the classical results, a quadratic evolution of th...

Pyrrhotite-bearing aggregates are a major cause of internal sulphate attack (ISA) in concrete. The concentration pyrrhotite is usually too low to permit direct accurate quantification. Hence, safety restrictions put on expressed terms the total sulphur content. This paper outlines an analytical approach which froth flotation employed produce bulk sulphide concentrate amenable quantification pyr...

Froth flotation is an important mineral concentration technique. Faulty conditions in processes may cause the huge waste of resources and reagents, consequently, lead to deterioration terms benefits plants. In this paper, we propose a computer vision-aided fault detection diagnosis approach for froth flotation. Specifically, joint Gabor texture feature based on Copula model designed describe im...

The present study reports the case of a 43-yr-old very sporty male, who developed shortness of breath and expectorated bloody froth during aqua jogging. Pulmonary oedema was diagnosed clinically and by computed tomography of the chest. The patient made a full recovery and his echocardiography was entirely normal. Pulmonary oedema occurring in healthy scuba-divers and swimmers has been reported ...

Toothpastes are definitely one of the indispensable elements of oral health care. They are produced to serve multiple purposes and possess complex chemical structures. Slight abrasion, froth, sweetening, bleaching, prevention of plaque, calculus and decay are properties expected from an ideal toothpaste. In recent years, allergic reactions have started to appear more frequently in dental practi...

We introduce a modified topological model for the evolution of twodimensional soap froth. The topological rearrangement associated with a T2 process is deterministic; the final topology depends on the areas of the neighboring cells. The new model gives agreement with experiments in the transient regime, where the previous models failed qualitatively, and also improves agreement in the scaling s...

was injected. The patient did not feel any uneasiness at the time of injection, but after two or three minutes he complained of a burning sensation all over his body and his face and lips became swollen and congested, and his eyelids puffy. He showed signs of suffocation, and froth came out from his mouth. The pulse was almost imperceptible and I at once gave him an injection of solution of adr...

The two-dimensional viscous froth model is a simple tractable model for foam rheology and coarsening. It includes, but is not confined to, the quasistatic regime. Here we present a detailed analysis and implementation of the model, illustrated with various examples. With certain simplifying assumptions, it provides significant insight into strain-rate-dependent effects in foam rheology and else...