Researchers at the Massachusetts Institute of Technology say LED flashing at specific frequencies may be expected to help treat Alzheimer's.
Using genetic programming, the researchers developed mice with Alzheimer's disease, after which they had a frequency of 40 in the brain region of the mouse brain called the hippocampus (which plays a key role in the formation and recovery of memory). Hertz's gamma oscillations are stimulated. One hour later, the researchers found that the level of beta-amyloid protein in the hippocampus of mice decreased by 40% to 50%. The researchers also found that mice with very early onset of Alzheimer's disease received an hour and 40 Hz intensity of LED light, and their brain gamma oscillations were enhanced and beta-amyloid levels were reduced by half. . Subsequently, scientists have studied whether the extended course of treatment can reduce beta-like amyloid plaques in the brain of mice with higher depositional levels. Plaques and free-floating amyloid proteins were significantly reduced after exposure to mice for 7 hours a day for 7 hours of LED light.
Venlo structure is a popular one at present. This architecture uses horizontal girder as main bearer, forming a stable structure with columns. There is consolidation between horizontal girder and column, and hinge is used to connect column and foundation.
In Venlo greenhouse, foundation is made of reinforced concrete and the side wall is made of brick or reinforced concrete plate. The steel frame always use hot dip galvanized light steel. Roof beam adopts horizontal girder structure and using herringbone connection. The horizontal girder bears 2 or more roofs, which is made of aluminum alloy. This material is used as roof structure material and also glass inlay material. Other beams using gutter style to minimize the section. Delighting material of the roof and side wall using the hollow double-layer or multilayer PC board.
PC board is mainly made of PC/PET/PMMA/PP materials, it need sun screen coating to resist ultraviolet resist and ageing, and it is also required to be anti condensation and antidrug.
As a kind of light material, use PC board can greatly reduce the weight of greenhouse structure, and corresponding reduced the size of the steel frame, which saving the cost of steel.
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JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , https://www.skyplantgreenhouse.com