The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number of protons), electron configurations, and recurring chemical properties. This ordering shows periodic trends, such as elements with similar behaviour in the same column. It also shows four rectangular blocks with some approximately similar chemical properties. In general, within …
Damage, or injury, called the impact on the human environment (mechanical, physical, chemical, radioactive, X-rays, electricity, etc.) That violates the structure and integrity of the tissue and the normal course of physiological processes. Depending on character of the injured tissue distinguish skin (bruises, wounds), hypodermic (ruptures of sheaves, fractures of bones and so forth) and …
Introduction. Any medico biological research is connected with receiving and registration of the relevant information. Despite a variety of the devices and methods used for this purpose it is possible to specify their general schemes and the principles of action. The questions considered in the head partially belong to cybernetics. Main body. Block diagram of …
