You all day to wade through the windbreak forest, and even in the rain. Or in a snowstorm, were under heavy backpack constantly praying for the speedy completion of the day. And finally, the long-awaited vacation - overnight. It was then involuntarily and realize that one of the main elements of the equipment is a tent. Only good tent possible proper rest and recovery after a hard day, unless of course you do not want such as the night bailing water dripping from the top ... So what should be a tent? Let's try to sort out this issue. For this, we consider the main types of tents and Read more [...]
Improves memory and alternate forms of work. So, for example, engaged in solving complex problems, it is useful from time to time to switch to, say, a foreign language, history, or literature. Mendeleev, for example, loved tinkering in such breaks frame for portraits, travel bags.
Pavlov proved that if man without a break and rest for a long time engaged in anything one, in the cerebral cortex, a so-called center of stagnant excitation. Such a state of overexcitation leads to fatigue, exhaustion of the nerve cells, and hence to the general lethargy, headaches, impaired memory.
In order to strengthen Read more [...]
The physiological basis of memory is considered to be the formation and strengthening of neural connections in the temporal cortex. Excitation, occurs when the perception of each signal does not disappear immediately, but gradually fades, leaving a trail of residual weak excitation. Under the influence of excitation in the central nervous system are structural changes that are stored on a more or less long term, depending on the nature of the stimulus, the duration and strength of its action. If the nervous system does not have the ability to retain traces of the excitation and play them, would Read more [...]
Genetics - the science of heredity and variation of organisms. At the heart of genetics on the laws of inheritance, according to which all the main features and properties of an organism are determined by individual genetic factors, localized in specific cell structures - chromosomes (see). Direct carrier of hereditary information are nucleic acid molecules (see) - deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).
Genetics study of the nature of material carriers of heredity, ways and methods of artificial synthesis, mechanisms of action, change and reproduction, control of these functions, Read more [...]
For many years the subject of heated debate was the question of whether to use artificial insemination fresh donor material or in all cases, preference should be given frozen. In the U.S., there are doctors who openly admit that they use both. The general consensus include fresh material such as "unclean" and unethical practices such as sex changes (as in the past artificial termination of pregnancy). Particularly insistent on this Catholic church, which generally condemns any sort was to manage the process of human reproduction. Church always helps create unhealthy conditions around Read more [...]
Biopsy - excision piece of tissue or organ from a living body for macro-or microscopic examination to determine the presence and nature of the pathological process. Biopsy for diagnosis is called diagnostic. The surgical removal of tissue or organ for therapeutic purposes (appendectomy, gastric resection and other) study excised material for diagnosis - the so-called therapeutic biopsy.
A biopsy is a precise diagnostic methods, allowing to confirm or reject the clinical diagnosis, to establish the nature of the pathological process, the boundaries of the defeat, which helps to choose the right Read more [...]
Bacteriological research - research that is designed to isolate the bacteria and study of their properties to production of microbiological diagnosis.
The test material should be taken under aseptic conditions in a sterile container and transported to the laboratory as soon as possible. If necessary, samples should be stored in the cold. The method of sampling depends on the object and the nature of the disease and the properties of the microorganism. One of the common methods of bacteriological examination is bacterioscopy.
To study the non-fixed bacteria use two methods: the crushed (between Read more [...]
Bacteriological laboratory - Scientific and practical institution performing bacteriological, immunological and other microbiological investigations. Distinguish between medical, veterinary and industrial bacteriological laboratory.
Medical bacteriology laboratories organized in hospitals, sanitary and epidemiological stations, etc. for research in order to clarify the diagnosis and epidemiological monitoring. In bacteriological laboratories are: sredovarnya, sink, preparatorskaya, sterilization and vivarium. Device and equipment bacteriological laboratories have to be adapted to carry out research Read more [...]
Cystography (pictures Bladder) Is made with the introduction of contrast material or liquid gas also possible to combine the introduction of a small amount of contrast material and gas or bladder filling during urography. Pictures are in direct and oblique projections. Tsistogramme visible on pelvic and sacral bone, clear and smooth shadow-filled contrast agent Bladder, acting in an oval above the pubic bone (Fig. 323).
323. Rear shot Bladder (Tsistogramma).
For the manufacture of insulated winter tents na7-8 person needs rubberized material, percale fabric "silver» (AM-100). Tent made with double ceiling and double walls, separated from drugana 5.8 cm inner walls sewn from percale, outdoor — from waterproof material.
Entrance to the tent is a hole with a sleeve. Sleeve delayed cord. Above the entrance, there is a hole for the chimney.
Pharmacy - Is a health care institution engaged in the manufacture and release of drugs on prescription and over the counter (hand sale), sanitary and hygiene, care, disinfectants, bandages, eyewear, surgical instruments, mineral water and other medical goods. Pharmacy conducts health education and distribute information about popular drugs among the population.
In rural areas pharmacy is also involved in harvesting of medicinal plants. Of pharmacies by the Regulations approved by the Ministry of Health.
There are two types of pharmacy: 1) self-supporting, or open, pharmacies, producing vacation Read more [...]
Modern tents leave no stone unturned in the firm opinion that the use of the tent you are doomed to binding inconveniences such as constant moisture whether from rain, or from condensation marred the life weight in a backpack, a broken or twisted frame after a simple trip Pro ... it's all you can start to forget. Like a bad dream recede into the past dull canvas gable houses ("coffins"), giving the market a spacious, light and bright dome tents. Now the domestic and foreign firms offer a stunning selection of tents for all types of active spending time in the open air, but to all Read more [...]
Types of tents to the destination.
The starting point in choosing a tent is its purpose. I would point out a few basic classes:
- Tents for tourism of the ordinary - a tent for tourist rallies and marches weekend - tents for trailering (camping) - tents for winter and extreme hiking - tents "special purpose."
Our goal - to select tent just for tourism "Normal difficulty", so describe the other only in passing. Tents tursletov and PVD - is the so-called tent old type - dvuhskatki with awning. It is a simple tent, which are still in demand due to its price. Ridge tent for Read more [...]