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Isotopes (from greh. isos - idential and tpos - a plae)

the versions of one hemial element taking same plae in periodi system of elements of D.I.Mendeleyev, that is kernels having an idential harge, but differing in weights of atoms. Kernels of all the given element ontain idential quantity of protons, but various number of neutrons. a hemial element are designated by the symbol of a orresponding element supplied from the left party by two indexes where top means number of neutrons, bottom - number of protons, and from the right party - the top index meaning mass number of an element, for example {{C}}, {{O}}, {{P}}. More often the mass number is resulted from above to the left of a hemial element: {{C, P}}.

happen steady - stable and unstable - radioative. Kernels of atoms radioative And. Spontaneously break up, letting out in an environment alfa-, beta-and sale-radiation (see the Radio-ativity, Ionizing radiation). Distinguish natural radioative, meeting in the nature (for example, uranium, rady, thorium, radon, polonium), and artifiial - reeived at various nulear reations (for example, tehnetsy, promety, plutonium).

In an organism of an animal in natural onditions radioative at with a forage, the water, inhaled air and partially through a leather, and in experimental onditions an be entered intravenously, hypodermially, vnutribrjushinno. The some people inluding radioative, are in regular intervals distributed on all bodies and fabris (arbon, sulfur, kalii, aesium, sodium, et.), And others possess expressed organotropnostju (for example, phosphorus is fixed mainly in bones, obalt - in a liver, iodine - in a thyroid gland, iron - in eritrotsitah). stvestvennye radioative arbon, kalija, hydrogen, uranium, thorium, et. in small amounts onstantly at in an organism from an environment. In an organism at also artifiial radioative, formed at nulear explosions and as waste of the nulear industry. Among them are espeially dangerous long-living {{Sr}} and {{lCs}} as they long migrate in an environment. Having got in an organism, radioative reate a ontinuous irradiation of bodies and fabris (see Radiating toxiology). xept for idential hemial properties And. The same elements, identity of their properties and behaviour in the various biohemial and physiologial proesses proeeding in an alive organism is shown, therefore in biologial researhes they are applied as isotope indiators to studying the mehanism of ation of mediinal substanes, with findings-out of thin proesses of the metabolism, separate physiologial funtions and t. The item of Radiation radioative apply mainly in mediine to radiodiagnosis and radiotheraphy, and also, et. In small dozes radioative it is possible to apply to beam sterilization of foodstuff, forages, pharmaeutial preparations, surgial tools, a dressing as the means stimulating growth and development of agriultural animals. In entomologii these use for mehenija insets at studying range and ways of their migration. In mirobiology radioative And. Mark mirobes with the subsequent finding-out patogeneza infetious diseases, imunobiologiheskih reations of an organism.

Lit.: Radioative isotopes in mediine and biology, Vokken, Veterinary radiology, izd., .

Goods for health

Johimbe Forte (capsules)

"JOHIMBE FORTE" it is recommended as biologically active additive to food - a source alkaloida johimbina, selenium, panaksozidov a ginseng. Biologically active substances " JOHIMBE FORTE ":-remove erektilnuju dysfunction; - promote maintenance and prolongation of sexual activity; - strengthen sexual and emotional sensations during intimate affinity; - prevent infringements of reproductive function of men.


Bilberry-forte (tablets)

BAD "Bilberry-forte" with vitamins and zinc is made only from natural fruits of a bilberry with addition of vitamins of group B (1, 2, 6), vitamin C and a microcell of zinc. Authenticity and quality of each party BAD "Bilberry-forte" proves to be true presence antotsianov fruits of a bilberry and necessary daily quantity of vitamins and zinc. Especially it is necessary to note, that BAD "Bilberry-forte" with vitamins and zinc is made in conditions of pharmaceutical manufacture "Evalar" with multistage quality assurance according to international standard GMP.


Pineapple an extract (tablets)

biologically active substances of pineapple - :-bromelajn (the complex proteoliticheskih enzymes, analogues pepsina) participates during splitting fibers of food that leads to liberation of the irreplaceable amino acids carrying out the important role in a metabolism and influencing the basic functions of an organism; - organic acids, vitamins, mineral substances, phenolic connections, the radio oils operating in a complex, render obshcheukrepljajushchee action, raise protective forces of an organism, participate in numerous biochemical mechanisms of a metabolism.


Means for growing thin BAD "hitozan"

Owing to a wide spectrum of biological activity the preparation promotes decrease in weight of a body. "hitozan-" it is created on the basis of hitozana - aminopolisaharida, received of armours rakoobraznyh, being by a natural source of food fibres. Hitozan it is known as the unique substance connecting and deducing from an organism fats, acting with food, and also as the natural product not having analogues reducing a level of cholesterol in blood.


Blue clay - a miracle natural product

favorable therapeutic and cosmetic an effect has on a leather of the person and a body, on nails and hair. Stimulates processes of updating of cells for long preservation of your youth, beauty and health. Deletes pollution and otmershie cells, smoothes wrinkles, interferes with formation ugrevoj to a rash.


Mival. The Cream-balm (in packing of 100 gram)

For 10 years of sales of any claim. Hundreds constant clients. Effectively stops loss of hair. Possesses strong recycling effect at all kinds oblysenija, including postozhogovuju alopetsiju and congenital gipotrihiju, eliminates furfur and prevents istonchenie, lomku and loss of hair.


Active interrogations at present are not present.
Help Children!

Rates of massage

Training to medical massage


For health

Orthopedic pillow for adults with effect of memory

Bodiboll Gymnic 55 sm

Set of radio oils

Shorts for growing thin


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