The use of sugar meter instructions and principles First, the design principle of sugar meter It will be refracted rays enter from one medium to another, and the ratio of the sine of the angle of incidence of a constant value, this ratio is called the refractive index. Fruit and vegetable juice soluble solids content and refractive index under certain conditions (same temperature, pressure) into a proportional, so the determination of the refractive index liquid juice, juice solution concentration can be determined (how much sugar content). A handheld instrument is used refractometer, also known as sugar mirror, handheld glucose meter, measured through the fruit and vegetable content of soluble solids (sugar), fruit and vegetable quality can be appreciated, the fruit maturity approximately estimated. The hand-held sugar tester is generally cylindrical. Put the sugar liquid to be tested into the openable trough, wipe it evenly, close the lid, and then look at the glucometer in front of the light to see the reading. Second, the application of sugar meter Widely used in sugar, food, beverage and other industrial sectors and agricultural production and research. Applicable to the concentration measurement of soy sauce, ketchup and other kinds of sauces (seasoning) products, applicable to the measurement of sugar content of jams, syrups , liquid sugars and other sugar-containing products, applicable to the production line of juices, refreshing drinks and carbonated drinks , Quality management, pre-delivery inspection, etc., applicable to the fruit from the planting to the sale process, it can be applied to determine the exact collection time for sweetness classification classification. In addition, the determination of the concentration of the slurry in the textile industry has also gained widespread application. Third, the use of sugar meter instructions (1) Holding the sugar meter horizontally and aiming the test window at the light source, rotate the focusing handle to make the scale clear. (2) Add a few drops of distilled water to the test window, and adjust the scale adjustment screw so that the dividing line between the bright area and the dark area coincides with the zero line of the scale . (3) Drop 1-2 drops of test sample into the test window and close the window. (4) The test window is facing the light source, and the scale that the light and dark dividing lines are aligned is the measured value. (5) Check the temperature correction value table and add or subtract the correction value to the measured value, which is the sugar content of the sample to be tested. (Usually do not check the temperature correction table) (6) Dry the test window with a tissue paper after the measurement . The principle of the glucometer The phenomenon of refraction occurs when light enters from one medium to another , and the ratio of the sine of the incident angle is constant. This ratio is called refraction. rate. The content of soluble solids in fruits and vegetables juice is proportional to the refractive index under certain conditions (the same temperature and pressure). Therefore, the refractive index of fruits and vegetables juice can be determined to determine the concentration of fruit and vegetable juices (the amount of sugar). Commonly-used instruments are hand-held refractometers , also called sugar mirrors and hand-held sugarmeters. By measuring the soluble solid content (sugar content) of fruits and vegetables, the quality of fruits and vegetables can be understood and the fruit's maturity can be estimated.
The suspension system is floorboard of the connection device between the frame and wheel axle or all the force, its function is to transfer function between the wheel and the frame of force and moment, and buffer by the uneven road surface to the impact of the frame or body, and the attenuation of the resulting vibration, in order to make sure the car was going smoothly.
In general, the automobile suspension system can be divided into the independent suspension and independent suspension, the independent suspension of the wheels on both ends of a whole axle, when the wheel side beat the other side wheels also beat accordingly, make whole body vibration or inclination;Independent suspension axle is divided into two sections, each wheel under the spiral spring independent by the installation of the frame, when the side wheels to beat the other side of the wheel is not affected, can the wheels on both sides of the independence movement, improve the stability and comfort of a car.As people demand for the car ride comfort and manipulation stability becomes more and more high, the independent suspension system already was washed out gradually
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