April snowfall in the Leningrad region!

St. Petersburg and the Leningrad region areas today will be in the rear of the cyclone, slowly leaving the north-east to the coast of the Barents Sea. In almost all areas of the region are precipitation - rain, snow. Yes, in Lesogorsk, pine and Novaya Ladoga (north-west, north and center of the region) are real snow at near-zero temperatures. During the day, St.-Petersburg and parts of the region is expected to mainly clear weather, precipitation will be mainly in the form of rain, but in places and wet snow. The maximum temperature in St.-Petersburg than 5 ... 7 °, the region will be 3 to Read more [...]
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Blueberries, or Gonobobel

Branched shrub 0.3-1.2 m tall, with roots and permanently buried in the moss on the trunks. Leaves 5-40 mm long, obovate, entire, glabrous, glaucous on both sides, from below with prominent veins. The flowers are produced on short shoots and arranged to 1-3 on their ends. Calyx with 4-5 short rounded teeth. Corolla urceolate, four pyatilepestny, pink, with a faint odor. Fruit - a blackish-blue-gray or bluish berries with green myakoyu of up to 12 mm, berries vary greatly in form - can be oval, round, ovate, strongly elongated, pear-shaped, and others kubarchatymi Blooms in June-July, fruiting Read more [...]
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Hieracium prevysokaya

A perennial herb with a short rhizome, without flagella. The stem is 50-70 cm tall, green at the base, with 1-3 leaves, with simple hairs, above, isolated glandular; stellate pubescence practically absent. Leaves lanceolate or linear-lanceolate, hairy bristles and bottom vein - rare stellate hairs, basal-including 3-10, stem-no more than 2-3. Inflorescence paniculate with 10-30 baskets. Bracts 5-6 (7) mm in length, with an expanded base, covered with scattered stellate hairs, blackish simple hairs (from scattered to moderate) and single glands, centered at the top. Stigmas yellow. Blooms Read more [...]
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Pneumonia in children in the preschool and school age

Pneumonia in children in the preschool and school age now proceeds mainly by the type of pneumonia, occasionally in the form of lobar pneumonia. Pneumonia in this age much rarer and milder than in early. Temperature rises more to 38 °. Initially dry cough, sometimes rough (laryngo-tracheal), later becomes wet, deeper, with the separation of a small amount of mucus. Often - headache, malaise, loss of appetite. Skin color usually pink. Several learning the breathing and pulse. For percussion in limited areas, especially in the lower lobes of the lungs, - shortening or blunting sound auscultation Read more [...]
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Porphyria skin

Porphyria skin (Late) - chronic disease, due to violation of porphyrin metabolism and as a result of increased sensitivity of the skin to ultraviolet rays. In the occurrence of skin porphyria is of great importance violation the liver as a result of infections, chronic intoxication with leaded petrol, alcohol abuse. Get sick more often than men in middle age. On the exposed areas of the body (face, neck, hands) after sun blisters appear with serous-hemorrhagic content based on a slightly hyperemic. Their thin tire easily broken, exposing the erosive surface covering crusts, after resolution Read more [...]
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Bearberry

Creeping evergreen shrub with stems up to 1.3 m in length. The leaves are oblong-obratnoyaytsevid in kind, entire, leathery, dark green, shiny, beneath lighter on both sides with a clear network of veins. Inflorescence - short apical brush, consisting of several drooping white and pink flowers. Calyx persistent, five-round cut into the share, margin ciliate. Corolla urceolate with pyatizubchatym limb, inside hairy nearly limb. Fruit-berry-like drupe globose, powdery pulp Pyatignezdnaya, bright red. Blooms in May and June, fruits ripen in August and September. Common in the tundra and taiga Read more [...]
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Geroinomany

Of heroin addiction are four personality types, each of which is in its own specific and requires a differentiated therapeutic approach. 1. The first type is defined as an intellectual or rational. He replenished mainly from students and young people from respectable families and other members of the younger generation, whose interests focus on the rational side of the interior life. The desire to use drugs due to their having conflicting views of life, the disagreement with the conformist views of others or the presence of personal and professional problems. Talk about them, that they deliberately Read more [...]
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Poplar, black, or Black poplar

A tree 18-25 m tall, with a broad crown and thick branched cracked gray bark. In the south-cultivated varieties bred Lombardy poplar, featuring narrow crown and greater height - up to 30 m long-stalked leaves, deltoid or somewhat rhombic, with wide straight or rounded base, tapering at the top in the tip, dark green, the underside of the lighter on the edges of iron-toothed, young leaves, as well as kidney, aromatic. Floral scales deeply incised, glabrous, rarely with short cilia. Stamens with short filaments, anthers purple. The ovary lies in bokalchaty perianth, stigma yellow, curved downward. Read more [...]
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Fats

Fats - Organic compounds that make up the plant and animal tissues, and consisting mainly of triglycerides (esters of glycerol and various fatty acids). Fats and fat-like substances made to combine the name of lipids (see). The highest content of fat found in the subcutaneous adipose tissue, as well as in the packing. A certain amount of fat contains muscle tissue, bone marrow, liver (especially fish). Fat are an important part of milk. In plants fat accumulate mainly in fruits and seeds. The fat content in oilseeds such as sunflower seeds, up to 40% (dry basis). Physico-chemical, chemical and Read more [...]
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Gasoline

Gasoline - a mixture of liquid hydrocarbons; t ° boiling range 35 - 205 ° (depending on the grade of gasoline). Flammable liquid with a characteristic odor, very poorly soluble in water. Is mainly used as motor fuel, as thinner and thinner. Get gasoline mainly direct oil distillation, thermal and catalytic cracking, with various catalytic processes (synthesis of carbon monoxide and hydrogen). Benzene poisoning are possible on stages of production, and through it in small enclosed spaces or used as a solvent. Concentration gasoline vapor in the 30-40 mg / l is dangerous to human life, even Read more [...]
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Berries and not very useful

Below we consider some types of berry plants, listing them in order of maturity. Rare, exotic species in Siberia in the list are not included. Strawberries. One of the most widespread and well-known species. Wild strawberry grows mainly in pine forests on fresh soils with moderately developed herbaceous cover. It also occurs in forest glades and clearings, forest edges, clearings and garyam. This plant does not produce sites with solid cover, growing in small groups or individual instances. Therefore collect a strawberry difficult, besides its maturation strongly stretched. The maximum Read more [...]
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Asthenopia

Asthenopia - Weakness of vision, eye fatigue when working in close quarters. Distinguish accommodative and muscular asthenopia. Accommodative asthenopia develops due to strong tension accommodation of the eye (see), more often in young people, with long-sightedness and long-visual work in close quarters. Muscular asthenopia sometimes appears with congenital weakness of internal recti muscles of the eye, but more often with myopia is not corrected points. Asthenopia appears mainly in difficulties when working in close proximity, a sense of tired eyes, double vision objects headache. For the Read more [...]
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Andromeda Multivalent

Malovetvisty evergreen shrub or shrub 15-40 cm tall with long rhizomes. Young shoots of whitish bloom as downside listev.Listya leathery, oblong-oval or linear, up to 26 mm, with curled edges down, dark-green, glossy, with depressed rib and short petioles. The flowers are drooping, on long stalks, are collected in 2-6-flowered umbellate brush at the ends of last year's shoots. Calyx small, red, sepals up to 1.5 mm. Corolla ovoid-urceolate, 5-6 mm long, pink, fluffy inside. Fruit - almost spherical capsule, length of 3-5 mm. It flowers in May and June, fruiting in July-August. Distributed Read more [...]
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