4results about How to "Large application space" patented technology

The utility model provides a kind of functional film, belong to functional film technical field.The utility model's functional film includes base material layer and the closed cavity inlay in the base material layer.The utility model's functional film only includes a layer of base material layer, more light and thin, optical absorption is lower, heat transfer performance is better;And relative to laminated structure, there is no interface mismatch risk, low in cost, there is no laminated interface, avoid delamination caused by moisture penetration under high temperature and high humidity environment, higher environmental aging resistance, and need not laminating.The utility model's functional film in solar cell field, can improve the structural stability of heat dissipation and packaging, improve the power generation efficiency of solar module, long-term working life and environmental tolerance, in display field, its light and thin, flexible and non-heterogeneous characteristics make it have good application space in precision optical device.

The present application relates to a kind of surface carbonation modified iron-doped nickel oxide preparation method and the method of decomposing ozone, the preparation method comprises the following steps: adding precipitant to the aqueous solution of nickel-containing iron precursor, hydrothermal reaction is carried out, precursor material nickel-iron layered double hydroxide is obtained, calcination, the aqueous solution of the obtained iron-doped nickel oxide and modifier is mixed uniformly, hydrothermal reaction is carried out;Wherein, the modifier is one or more of urea, ammonium carbonate, ammonium bicarbonate, sodium carbonate, sodium bicarbonate, potassium carbonate, potassium bicarbonate, lithium carbonate, lithium bicarbonate, sodium hydroxide, potassium hydroxide and lithium hydroxide.The preparation method of the present application is simple, does not need special condition, and the iron-doped nickel oxide catalyst modified by surface carbonation is rich in active site, and can show high and stable ozone decomposition efficiency in high humidity or extremely high humidity environment.

The present application relates to a safety early warning method for in-service wind retaining wall structure, and belongs to the technical field of wind retaining wall health diagnosis and safety early warning. The method comprises the following steps: S1: exciting the wind retaining wall to generate a dynamic response signal; S2: transmitting the signal to a computer; S3: the computer processes the collected signal to obtain a virtual impulse response function signal; S4: wavelet packet decomposition is performed on the virtual impulse response function signal to create an improved wavelet packet band energy ratio spectrum; S5: a second improved wavelet packet band energy ratio spectrum is created; S6: a wavelet packet characteristic frequency band vector, a characteristic vector and an early warning index are constructed; S7: the internal relationship between the early warning index and the dynamic elastic modulus loss rate of the wind retaining wall is analyzed, and a quantitative relationship between the early warning index and the safety state of the wind retaining wall is established; when the early warning index reaches a limit value, the wind retaining wall enters a critical safety state. The present application early warns the safety state of the wind retaining wall through the early warning index, and has the characteristics of convenience, efficiency, intelligence and the like.

The application discloses a bidirectional damping adjustable hydraulic damping cylinder with self-resetting function, which comprises a cylinder barrel, a gas cavity and an oil cavity arranged in the cylinder barrel, an adjusting mechanism arranged on the cylinder barrel and used for adjusting the damping cylinder, self-resetting and bidirectional locking or unidirectional locking, a pressure storage mechanism arranged on the cylinder barrel and used for storing gas pressure in the gas cavity of the cylinder barrel, and a guiding mechanism arranged on the cylinder barrel, wherein the damping cylinder is formed by integrating various valves and a piston type pressure accumulator to realize the bidirectional damping adjustable requirement of the damping cylinder and has the self-resetting function, and the damping cylinder can be locked at an arbitrary position in a unidirectional mode or an arbitrary position in a bidirectional mode to present unidirectional or bidirectional rigid characteristics, the self-resetting function of the cylinder is realized through the area ratio relationship of the two cavities, the applicability is wider, and the application space is larger.