Archive for January, 2013

Nature Tan

Sunday, January 27th, 2013

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Sun and its influence 1. The influence of solar radiation. Sunburn: helpful or harmful? Everyone wants to be beautiful, young and healthy. As to achieve this? Without sunlight there is no life. The sun's rays are necessary for healthy human existence on a daily basis: for learning and further processing of vitamins D, E, ascorbic acid, fats, proteins, minerals, they are normally help fight seasonal depression. Sunlight in the body increases production of so-called "hormone of happiness." In this case tan looks wonderful, he is young and gives a sporty look, so it is very popular as an aesthetic factor. On the other hand, UV rays: * contribute to premature aging of the skin due to phototoxic (oxidative) stress, the skin loses its elasticity, becomes thin and wrinkled, with * excessive use can cause skin infections * after the end of insolation tan quickly disappears.

Negative effect of UV radiation can also be a fotodermatity – vigorous inflammatory response skin blistering, exacerbation of chronic illnesses, relapses of herpes, even the appearance of benign and malignant tumors. How to reconcile these contradictions? The influence of UV rays, especially in large doses, causes phototoxic effects (oxidative stress), forming a huge amount of damaging free radicals our cells to which the natural antioxidant system of the person is unable to cope. Free radicals – is highly active particles that constantly attack cells and damage their DNA, proteins and fats. They occur in the human body, causing oxidative damage of cells. They are directly related to accelerated aging of cells.

Antioxidants neutralize free radicals and act as a protective system for the cells. Exogenous antioxidants can be obtained from food, such as 5 servings of fruits and vegetables a day. Last studies, however, show that the average person uses less than 3 servings per day. Sonne good source of antioxidants are dietary supplements. Special balanced formula to supplement Nature Tan provides body with the necessary materials for a healthy tan.

The Determination

Saturday, January 5th, 2013

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According to Seabra (1998, P. 205), the regimen of exchange bands is a general theoretical structure. It can be treated as a flexible regimen if the bands will be enough ample, or as a regimen of fixed exchange if the bands will be narrow. In this direction, the characterization of a regimen of bands and the determination of its functioning requires some definitions: (i) Dimension of the band. The amplitude of the exchange bands depends on the flexibility degree of the monetary politics desired by the Central banking.

Trade-off between anti-inflationary, resultant credibility of the rigidity of the exchange, and the edge of maneuver of monetary politics must be evaluated in the establishment of the dimension of the band. In general terms, in a regimen of bands a result searchs that is a combination enters the flexible regimen purely and the fixed exchange. In other words, the bands do not have to be so narrow the point not to allow some flexibility of the politics monetary, nor so ample that they do not impose limits to the action of this monetary politics. (II) Realinhamento of the band. The establishment of limits between which the exchange tax can vary results, throughout the time, in real desalinhamentos, that is, in changes in the competitiveness between the countries, in the measure where the shocks reach, of not identical form, the economy domesticates and the economy external. … Given the necessity of periodic realinhamentos in the bands, another question to consider is if the realinhamento follows a rule or is made discretional.

A rule prevents surprises and diminishes the uncertainty, however a time can generate inflationary expectations that if knows that the Central banking will go to modify the bands, depreciating the currency when, for example, the exchange tax if approaches to the superior limit of the band. … (III) Intervention delinquent or intramargem.