Chinese medicine believes that the autumn dry season is the order of the autumn season and is called "Qiuzao." Because of dryness and evil, it is easy to consume fluids. It must be treated as "dry like": common dry mouth, dry lips, dry nose, dry throat, dry tongue, little discharge, dry stool, dry skin, and even cleft palate. Autumn is the harvest season. Many fruits compete for the stage. Under the choice of many fruits, how should we eat fruits?
Grape: Grape is rich in nutrients, sweet and sour. Grape raw food can nourish yin, wolfberry juice and cooked honey thick fried paste, boiled water, treatment of hot thirst is especially good. After the grapes are dried, they are raisins, and the relative increase in iron and sugar content is a tonic for children, women, and frail anemia. In addition, in order to supplement the vitality of the damage in summer, people in autumn will have the phenomenon of “falling autumnâ€, and eating more grapes will be beneficial to neurasthenia and excessive fatigue.
Citrus: Citrus, cool, sweet, sour, cough, lungs, phlegm, sore and diuretic effects, suitable for physical weakness, fever, lack of body fluid after thirst, alcoholic thirst, embolism, juice or honey, Treatment of Hyperactivity cough is especially good. Eat a lot of sweet and sour oranges on weekdays and keep your lungs moist.
Persimmons: Persimmons have the effect of moistening the lungs, relieving cough, clearing heat, and producing fluid. . Red and soft ripe persimmons can treat mouth dry lips and rotten hearts. The persimmon has a clear and nourishing heart, and eating more will also help to relieve stress. We know that persimmons can also be made into dried persimmons. Of course, dried persimmons are also good nourishing products. They have the effect of stopping bleeding and concreting.
Persimmons can be said to be a symbol of autumn. The ripeness of persimmons is really time. It is easy to cause coughing in the dry autumn season. As persimmons for “throat and throatâ€, it is definitely the first choice for health care.
Pear: The pear is fresh and juicy and contains 85% of water. It is called "natural mineral water" and it has been honored as the "whole fruit" since ancient times. The different methods of pear consumption can produce different effects. The efficacy of raw pears and ripe pears is still not the same. Eating raw pears can relieve the symptoms of dry throat and itching can also prevent constipation; pears cooked or steamed to eat, such as rock sugar, steamed pears can stop coughing. Treatment of hyperactivity cough, prevention and treatment of gout, rheumatism and arthritis. Pears replenish water, nourish throat and prevent coughing.
The piston is one of the main moving parts of the
engine, is composed of combustion chamber components.
The pressure of the gas
piston through the connecting rod to the crankshaft, realize the change from
heat energy to mechanical energy.
The work condition is very bad, and the
temperature of 1400-1800 DEG C, and pressure
Up to 13MPa above the gas
contact, greatly alternating thermal stress and mechanical stress.
And by the
serious corrosion of gas, and under the condition of boundary lubrication and
cylinder wall friction and strong impact 1 times.
The piston in high
temperature, high pressure, strong corrosive gas contact so that it has enough
strength and hardness,
Heat resistance and good thermal resistance, high
fatigue strength and corrosion resistance. For high speed diesel Engine Piston
also requires light as far as possible.
In order to reduce the inertia
force.
Marine piston large low speed diesel engine of the crosshead is
usually combined.
The heat treatment process by normalizing and annealing,
and iron pearlite are ferrite organization, has good heat resistance.
Piston
alloy quenched and tempered steel has better heat resistance and corrosion
resistance. The skirt with nodular cast iron annealing treatment, with good wear
resistance.
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