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35results about How to "Tight interface" patented technology

Deformation joint structure and construction method thereof

The invention relates to a deformation joint structure and a construction method thereof. The deformation joint structure comprises a water stopping belt, a tongue-and-groove support and a flexible caulking plate, wherein the two ends of the water stopping belt are embedded into a first concrete structure and a second concrete structure; the tongue-and-groove support is formed at the bottom of the first concrete structure and extends to the bottom of the second concrete structure, and the tongue-and-groove support is arranged in the manner of corresponding to the embedding end, embedded in the second concrete structure, of the water stopping belt; and the flexible caulking plate is clamped between the first concrete structure and the second concrete structure and comprises a bottom caulking plate body supported between the tongue-and-groove support and the water stopping belt and a top caulking plate body erected above the water stopping belt. A connector of a deformation joint is tight, the tongue-and-groove support is arranged at the bottom of the deformation joint, the rigid waterproofing structure is additionally arranged, the water stopping belt is arranged at the upper portion of the tongue-and-groove support, the flexible waterproof function is achieved, a sealant is arranged at the top of the deformation joint for achieving the waterproof function, the overall waterproof performance is good, the anti-deformation capacity is high, and the structure reliability of the deformation joint is high.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Cultivating method for over-summer tomatoes in greenhouse

The invention belongs to the technical field of tomato cultivation, and discloses a cultivating method for over-summer tomatoes in a greenhouse. The method comprises the steps of variety selection, cultivation of robust stocks and scions, grafting and management after the grafting, wherein the management after the grafting comprises the specific steps that grafted seedlings are placed in the plastic greenhouse under the airtight shading condition and watered with sufficient water, the air humidity is kept at 95% or above, the daytime temperature is 23-28 DEG C, and the temperature at night is15-22 DEG C; a plastic film is opened the next day, after three days, the air humidity is reduced to 76%-80%, the seedlings are exposed to light for 0.5-1 hour on the fourth day, for 1-2 hours on thefifth day and for 4-5 hours on the sixth day, from the seventh day, the seedlings are exposed to light all day, and after 7-8 days of wound healing, belts are loosened in time for transplanting the seedlings. According to the method, before sowing, disinfection treatment is conducted, harmful bacteria carried by seeds can be killed for preventing viruses, and the survival rate of the seeds is increased; grafting is conducted below cotyledons of the stocks, the grafting portions can be designed into trapezoid shapes, the contact area is large, and the survival rate is high.
Owner:HEZE ACAD OF AGRI SCI
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