5results about How to "Performance unchanged" patented technology

The application discloses a modified polypropylene material and a preparation method and application thereof. The modified polypropylene material contains the following raw materials in percentage by mass: 25-32% of homopolymerization polypropylene, 34-42% of modified copolymerization polypropylene, 13-25% of inorganic filler, 5-13% of toughening agent, 5.4-7.5% of coupling agent and 0.4-0.6% of stabilizer; wherein, the coupling agent contains at least two primary amine groups, and the modified copolymerization polypropylene contains aldehyde groups. The modified polypropylene material has a reversible cross-linking macromolecular network structure formed by mutual cooperation between the raw materials, and has excellent comprehensive performance in the aspects of improving the strength, low-temperature resistance, toughness and processing performance of the modified polypropylene material.

This invention provides a comparator circuit and an image sensor, belonging to the field of electronic circuit technology. The image sensor includes at least: a current mirror, a ramp-coupled input transistor, a pixel-coupled input transistor, and a current source input transistor; a ramp reset transistor and a pixel reset transistor; the current mirror includes a first mirror branch and a second mirror branch; a first mirror branch load controller and a second mirror branch load controller, allowing the first mirror branch load controller to connect to the first mirror branch and allowing the second mirror branch load controller to connect to the second mirror branch; wherein, when the comparator circuit is reset, when the first reset signal is high, the first and second mirror branch load controllers are connected or disconnected from the circuit, reducing the on-state voltage drop of the first and second mirror branches. The comparator circuit and image sensor provided by this invention can balance the comparator's noise performance while increasing the maximum input swing.

The application relates to a lock device of a gate slot gate and relates to the technical field of gates, and aims to solve the problem that the gate is prone to water leakage. The gate slot gate comprises a gate slot and a gate leaf, the gate leaf is slidably arranged in the gate slot, a driving element for driving the gate leaf is arranged at the top of the gate slot, a locking mechanism is arranged between the gate slot and the gate leaf, the locking mechanism comprises a locking frame, a locking rod, a locking cylinder, an upper locking block and a lower locking block, the locking rod is connected to the gate leaf, the locking rod is arranged along the width direction of the gate leaf, the locking frame is connected to the gate slot, the locking cylinder is connected to one end of the locking frame, a connecting plate is arranged on the output end of the locking cylinder, the upper locking block is connected to the connecting plate, the lower locking block is connected to the other end of the locking frame, the upper locking block and the lower locking block are both provided with semicircular grooves for fixing the locking rod, and the upper locking block is matched with the lower locking block. The application has the effects of ensuring the stability and safety of the gate.

The utility model relates to the technical field of laminated slabs, and discloses a prefabricated laminated slab structure which comprises a slab body, mesh steel bars are arranged in the slab body, and truss steel bars with one ends penetrating to the outer side of the slab body are fixedly installed in the slab body. By arranging the mesh reinforcing steel bars and the truss reinforcing steel bars and reasonably arranging the staggered intervals, the overall performance is not changed while part of the reinforcing steel bars are reduced, the processing time of the laminated slab is shortened, the balance of quality, efficiency and cost is achieved, and meanwhile the connecting angle of the web member reinforcing steel bars is adjusted, so that the overall performance of the laminated slab is improved. Supporting points during installation of a large number of truss steel bars can be reduced, the construction efficiency can be improved, meanwhile, the diameter and the overall height of the steel bars are adjusted and used according to the load-bearing requirement, the overall quality is guaranteed, meanwhile, needed work during production of the laminated slab is reduced as much as possible, and dual optimization of the structural performance and the construction efficiency is achieved.

The invention discloses a cellulose membrane-based fluorescence colorimetric sensor based on a Tb-AMP compound as well as a preparation method and application thereof, and belongs to the cross technical fields of new materials, fluorescence sensors, inspection and detection and the like. The fluorescent colorimetric sensor takes a cellulose membrane as a substrate, and the cellulose membrane is loaded with a Tb < 3 + > and AMP compound after carboxymethylation. Through the synergistic effect of the lanthanide series metal Tb-AMP compound and in combination with the porous characteristic of the cellulose membrane, high sensitivity, high selectivity and visual detection of FQs are achieved, meanwhile, the performance is not changed after the cellulose membrane is stored for 60 days, the cellulose membrane has long-term stability, the cellulose membrane serves as a substrate, the raw material cost is low, and the method is suitable for industrial production. The method can be widely applied to real-time visual detection of FQs in practical samples such as drinking water, environmental water and milk.