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Blind calcium supplementation may lead to high blood calcium, kidney stones, nutritional imbalance of mineral elements, even heart disease, prostate cancer, etc., and must be stopped. There are three factors to consider calcium deficiency. Clinical examination shows calcium or vitamin D deficiency indication (such as low bone density, high alkaline phosphatase, high calcium phosphorus product); The concentration of vitamin D in blood was normal; Low calcium intake (e.g. <3/4 recommended).
Through the filter screen, the process of the process is carried out through the outlet, and the particles in the water are trapped inside the filter. So continuously circulation, more and more particles trapped down, filtration speed slower and slower, and imports of sewage is still continue to enter, filter hole will be more and more small, thus produce pressure difference between inlet and outlet, when poor magnanimous to set data, differential pressure transmitter will be routed to the controller, control system startup drive motor through the mechanical drive shaft rotation, open the outlet at the same time, by the discharge outlet, when the screen is clean, differential pressure drop to the minimum, the system returns to the initial filter, normal operation of system
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