Cooling summers on the one hand, it is necessary to reduce the time of “close contact†with the sun. On the other hand, it is necessary to pay attention to a reasonable diet. Here, we use reasonable drinking of various summer refreshing drinks to not only have the effect of avoiding the heat, but also be of great benefit to our health.
Bitter gourd juice Bitter gourd bitter, cold, Qingreoqing heat, eyesight, detoxification. Bitter gourd has high nutritional value and rich vitamin C content. It can also increase the permeability of blood vessels, protect cardiovascular, and eat more to help lower blood pressure and blood cholesterol. If the bitter gourd juice is iced, it will be a cool product. If you are really afraid of suffering, you can add some honey to taste. However, we must pay attention to bitter gourd, cold, frail, food should be cautious.
Fresh wolfberry juice Fresh wolfberry juice can clear away heat, relieve thirst, stop vomiting, if fresh wolfberry slices, add appropriate amount of sugar, decoction on behalf of the tea, you can go to heat and heat, can be described as a summer recipe.
Melon tea According to the "Compendium of Materia Medica" record, sweet and cool winter melon, diuresis swelling, detoxification, Qingwei Jianghuo and other effects, it is suitable for summer "Qingbu", can diuretic heat, for the beauty of the slim family, it is The good things for summer weight loss, some people's skin in the summer prone to small acne, drink a bowl of melon porridge every day, can prevent the long-skinned summer skin. You can buy fresh wax gourd at home to wash seeds, even the skin cut, add water, stew until soft, can be directly consumed, can also be used after the juice machine labeled mud filter, plus a little sugar, is the authentic Will not get fat melon tea.
Mung bean soup Mung bean sweet, cold, with heat and heat, diuretic elimination, throat thirst quencher and eyesight, blood pressure effect, for heat stroke, pharyngitis, sore, etc. have a good effect. Therefore, mung beans are often used as a food for relieving summer heat. However, mung bean cold, hypotension, and women in menopause are unfit for human consumption.
Watermelon Watermelon flesh has the effects of clearing heat, removing thirst, urinating urination, and suppressing alcoholism. It is used to treat a variety of heat syndromes, summer heat and thirst, adverse urination, sore throat, and inflammation of the oral cavity. Watermelon is the most natural natural beverage, and it is rich in nutrients and has many beneficial effects on the human body. However, although the advantages of watermelon are many, the spleen and stomach are not suitable for large or long-term consumption.
A Rhomboid prism is a type of reflective prism which is commonly used to displace a laser beam without changing it's direction. Effectively a Rhomboid prism acts as a pair of single mirrors and have a shape where it's lateral displacement is equal to the length of the prism. In imaging applications a Rhomboid prism will be used to displace the optical axis without inverting the image.
They maybe coated to transmit part of the beam and product two parallel and displaced emerging beams. Generally our Rhomboid prisms are uncoated and rely on total internal reflection.
A prism is a polyhedron made of transparent materials (such as glass, crystal, etc.). It is widely used in optical instruments. Prisms can be divided into several types according to their properties and uses. For example, the "dispersion prism" that decomposes the composite light into the spectrum in a spectrometer is more commonly used is an equilateral prism; in a periscope, binocular telescope and other instruments, the direction of light is changed to adjust its imaging position. "Reflecting prisms" generally use right-angle prisms.
According to the law of refraction, light passes through a prism and is deflected to the bottom twice. The angle q between the emitted light and the incident light is called the deflection angle. Its size is determined by the refractive index n of the prism medium and the incident angle i. When i is fixed, different wavelengths The light has different deflection angles. In the visible light, the largest deflection angle is purple light, and the smallest is red light.
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