40results about How to "Prevent downgrade" patented technology

The disclosure provides a polyurethane microcapsule consisting of a polymerization product of methylene diphenyl diisocyanate (MDI) prepolymer with a polyol, the polyurethane microcapsule comprising a liquid isocyanate compound encapsulated within the microcapsule. The disclosure also provides self-healing coating compositions comprising such polymeric microcapsules and methods of preventing or slowing corrosion using such coating compositions.

The present invention relates to a method for fabricating an organic device, said method comprising: (i) Providing a substrate (1) having a surface comprising electrical contact structures (4) and a dielectric portion (3), (ii) Providing a first temporary protection layer (9) on some or all of said electrical contact structures (4), (iii) Providing a first surface modification layer (6) on the dielectric portion (3) and / or providing a third surface modification layer (10) on said electrical contact structures (4) not protected in step (ii), (iv) Removing the first temporary protection layer (9), (v) Providing a second surface modification layer (5) on the electrical contact structures that where protected in step (ii), and (vi) Providing said first surface modification layer (6) on the dielectric portion (3), if it was not provided in step (iii), and (vii); Providing an organic semiconductor layer (7) on top of at least part of said first surface modification layer (6) and on top of said second (5) surface modification layer and if present on top of said third surface modification layer (10), thereby obtaining said organic device or providing an organic semiconductor layer of a first type (7) on top of said second surface modification layer (5) and part of said first surface modification layer (6) and providing an organic semiconductor layer of a second type (8) on top of said third surface modification layer and another part of said first surface modification layer (6), thereby obtaining said organic device.

The invention provides a device for recording data on an optical recording medium. The device for recording data on an optical recording medium comprises a recorded-wave shape generator for generating a recorded wave shape which has a multi-pulse canceling mode, and a pick-up unit for implementing the light irradiation on an optical recording medium according to the generated recorded wave shape so as to form a label or an isolation, thereby preventing the labeled shape from deforming and improving the shape of the label, and further improving the recording and playing properties.

The invention provides an imaging device, a control method thereof and a CMOS image sensor. The imaging device provided with a read circuit in which a light-shielding region is formed in a part of an image region where a plurality of optical / electrical conversion devices is two-dimensionally arrayed in the row and column directions and which converts a optically detected signal outputted from each of the optical / electrical conversion devices for each of the column into a digital signal, comprises a storage device for storing the outputted digital signal outputted in relation with the optical / electrical conversion device in the light-shielding region and a difference calculation device for calculating a difference between the outputted digital signal in relation with the optical / electrical conversion device in a light-receiving region except the light-shielding region and a value stored in the storage device.

A method controls an electric drive system of a vehicle including an electric drive motor, a drive battery, and a drive inverter. The method includes detecting that a measurement of an insulation resistance between the battery and a chassis of the vehicle is below a preset threshold, detecting a closed state of relays connecting the battery to the inverter, and following the detecting the measurement and the detecting the closed state, activating a cooling fan of the electric drive motor until detecting that a measurement of the insulation resistance is above the preset threshold, within a limit of a first preset duration.

The invention relates to a micron-particle high-capacity lithium-ion battery negative electrode material based on conversion reaction and its preparation method and application. The lithium-ion battery negative electrode material is a compound of molybdenum oxide and carbon, and its chemical formula is MoO x / C, x=2~3, where MoO x The content of 60 ~ 90 wt%.

The invention provides a projection welding nut leakage resistance and positioning welding mechanism. With the projection welding nut leakage resistance and positioning welding mechanism, the problemsabout positioning and leakage resistance of projection welding nuts can be solved at the same time. The projection welding nut leakage resistance and positioning welding mechanism comprises a base. Aguide rod mechanism is arranged beside the base. A positioning guide mechanism is arranged above the guide rod mechanism. The positioning guide mechanism comprises a positioning guide block and a positioning pilot pin. The upper surface of the positioning guide block is a profile conforming face of an assembly part used for being attached to an installation nut. The upper end of the positioning pilot pin is connected with the positioning guide block and penetrates through the profile conforming face. The part, penetrating out of the profile conforming face, of the positioning pilot pin is provided with a circular-truncated-cone-shaped positioning portion with the reducing diameter. An inclined face with an adjustable inclination angle is arranged at the bottom of the lower end of the positioning pilot pin. A guide rod on the upper part of the guide rod mechanism is provided with a connecting plate. A mechanical valve is arranged beside the connecting plate. The mechanical valve is arranged below the inclined face. A positioning stop dog is arranged beside the connecting plate. A shape conforming positioning stop dog used in cooperation with the positioning stop dog in the travel of the guide rod mechanism is arranged on the base.

The invention relates to an automatic scratching device and method for a micro-powder polishing brick green body. The automatic scratching device comprises a glaze line lifting platform, a scratching auxiliary conveying platform, a positioning mechanism, a turnover mechanism, a drying mechanism and a scratching mechanism; the scratching auxiliary conveying platform is arranged above the glaze line lifting platform; the turnover mechanism, the drying mechanism and the scratching mechanism are arranged on the scratching auxiliary conveying platform in turn; the automatic scratching device also comprises a controller which is electrically connected with the positioning mechanism; the scratching auxiliary conveying platform, the turnover mechanism, the drying mechanism and the scratching mechanism are controlled by the controller through a signal transmitted through the positioning mechanism to run. According to the automatic scratching device and method for the micro-powder polishing brick green body, the integral yield of the integral semi-finished product production process can be effectively improved, the labor intensity of workers and the production cost can be reduced, the inspection is accurate, the consumed time is less, and the pollution to the equipment is less.

A reinforcement device for a fire-resistant air duct for nuclear power and a fire-resistant air duct. The reinforcement device includes an upper top plate, a lower top plate, an upper support rod, a lower support rod, an intermediate connecting rod, an upper mounting plate, and a lower mounting plate; the upper end of the upper support rod is connected with the upper top plate, the lower end passes through the upper mounting plate and It is adjustable connected with the upper end of the intermediate connecting rod; the lower end of the lower support rod is connected with the lower top plate, the upper end passes through the lower mounting plate and is adjustable connected with the lower end of the intermediate connecting rod; the upper mounting plate is in at least one dimension The size on the top is greater than the size of the upper roof in the corresponding dimension; the size of the lower mounting plate in at least one dimension is greater than the size of the lower roof in the corresponding dimension; the upper roof and the lower roof are respectively connected with the fire-resistant air duct The top wall and the bottom wall abut; the upper mounting plate and the lower mounting plate are respectively fixed to the top wall and the bottom wall in the fire-resistant air duct. The reinforcement device enables the fire-resistant air duct to be effectively supported, strengthens the strength of the fire-resistant air duct, and ensures the integrity of the ventilation system.