13results about How to "Integrity is not affected" patented technology

The utility model discloses an insect-proof type light all-bamboo composite board which comprises a board body, the board body is composed of a face board, an insect-proof board and a base board, and the insect-proof board is arranged between the face board and the base board. The first connecting block is fixed to the left end of the plate body, a fixing strip is arranged on the lower end face of the first connecting block, a second connecting block is fixed to the right end of the plate body, and a limiting groove is formed in the upper end face of the second connecting block. According to the insect-proof type light all-bamboo composite board, the insect-proof board can be closer to the ground where a floor is laid, then the insect-proof effect is improved, the integrity and strength of the composite board are not affected, and the effect of prolonging the service life of the composite board is achieved.

The utility model discloses a kind of solid wood composite boards for ground heating environment, belong to composite board field, including from top to bottom sequentially arranged aluminium oxide wear-resistant particle layer, impregnated pattern paper layer, wear-resistant impregnated titanium white paper layer, impregnated titanium white base paper layer and impregnated balance paper layer, the solid wood composite boards for ground heating environment further include upper core plate and lower core plate, upper core plate is connected with wear-resistant impregnated titanium white paper layer, lower core plate is connected with impregnated titanium white base paper layer, at least three recesses are set up on upper core plate, lower core plate is connected with the same number of convex strip as recess, and each convex strip is inserted into a recess. The utility model does not need to set specific core plate warping, and has good composite performance.

The application provides a kind of biomimetic peptide anti-icing and antifreezing agent and its preparation method and application, belong to the field of biological polymer synthesis;The biomimetic peptide anti-icing and antifreezing agent described in the application uses hydroxyl side chain as hydrophilic side chain, alkyl chain as hydrophobic side chain, and is synthesized by solid phase subunit synthesis method according to the designed structure to obtain biomimetic peptide anti-icing and antifreezing agent containing different hydrophilic and hydrophobic sequences;The biomimetic peptide anti-icing and antifreezing agent can form hydrogen bond interaction with the surface of ice crystal to inhibit water molecule movement, and the hydrophobic alkyl group can affect and prevent water molecules from gathering through hydrophobic interaction, thereby effectively regulating ice crystal growth.

The application belongs to the field of cryptography, and particularly relates to a revocable lattice ring signature method with forward security, which constructs a ring signature system with quantum resistance based on a lattice cryptography, and comprises a trusted agency, a user and a verification party; the working process of the ring signature system comprises six main stages: a parameter initialization stage, a lattice key generation stage, a forward security update stage, a ring signature generation stage, a signature revocation verification stage and a signature correctness verification stage; the application realizes periodic update and revocation mechanism of short-term keys, and enhances the security and practicability of the signature system.

The application relates to the technical field of breakpoint resuming, in particular to a breakpoint resuming method and device, a server and a storage medium, wherein the method comprises the following steps: identifying whether a receiving end is replaced when a uploading end performs breakpoint resuming; if the receiving end is not replaced, uploading a file for breakpoint resuming; and if the receiving end has been replaced, uploading the file for breakpoint resuming and a file before breakpoint resuming. Therefore, the problems that the uploading end and the receiving end are fixed, the uploading function cannot be normally used when the receiving end is replaced, and the applicability is low in the prior art are solved.

The invention relates to a post-tensioning method bonded prestress leveling layer structure and a construction method thereof, the post-tensioning method bonded prestress leveling layer structure comprises a leveling layer, steel strands and corrugated pipes, the thickness of the leveling layer is 5-8 cm, the corrugated pipes are arranged in the leveling layer in a criss-cross mode to form a net shape, the steel strands are arranged in the corrugated pipes in a penetrating mode, the outer diameter of the corrugated pipes is 14-20 mm, and the diameter of the steel strands is 6-12 mm; and a micro-resistance layer is arranged between the leveling layer and the structural layer. According to the post-tensioned bonded prestress leveling layer structure provided by the invention, the post-tensioned bonded prestress is applied to the leveling layer, so that large-area seamless construction of the prestressed leveling layer can be realized. And by means of a prestress system, the concrete slab is always in a pressed state, the cracking problem caused by temperature change or load action is effectively avoided, and the integrity and durability of the leveling layer are enhanced.

The utility model discloses a plasmid extraction column passing device which comprises a controller with a cooling unit, multi-section type telescopic rods on the controller are connected with a pressing plate, and a plurality of cooling grooves are arranged between the two multi-section type telescopic rods; a first layer plate and a second layer plate are stacked between the pressing plate and the controller, a plurality of first column passing channels with built-in filter columns are uniformly distributed on the first layer plate, a plurality of second column passing channels with built-in adsorption columns are uniformly distributed on the second layer plate, the first column passing channels and the second column passing channels are consistent in size, a first conical liquid outlet is formed in the lower end of each first column passing channel, and a second conical liquid outlet is formed in the lower end of each second column passing channel. A second conical liquid outlet is formed in the lower end of the second column passing channel; sample adding pipes in one-to-one correspondence with the first column passing channels are arranged on the pressing plate, a high-pressure air pump is arranged in the controller, an air blowing pipe is arranged on the high-pressure air pump, and air outlet branch pipes communicated with the sample adding pipes one by one are arranged at the air outlet end of the air blowing pipe. The utility model has the advantages that the plasmid extraction lysate can be easily filtered and adsorbed, the operation time is greatly shortened, and the plasmid structure is prevented from being damaged.

This invention provides a conductive sealing and continuity status indication structure for anti-electromagnetic interference of unmanned aerial vehicles (UAVs). The structure includes a gradient conductive sealing layer, a contact resistance sensing unit, an intelligent status assessment module, and a multi-level early warning indication system. The gradient conductive sealing layer consists of an outer layer of elastic conductive adhesive, a middle layer of highly conductive metal mesh, and an inner layer of interface reinforcing adhesive, achieving an optimized balance between mechanical flexibility and electrical conductivity. The sensing network employs a four-wire micro-ohm measurement principle, with multiple measurement nodes distributed along the joint to collect the contact resistance values ​​of each section in real time. The control unit performs data fusion processing and trend analysis, triggering corresponding early warning indications based on preset graded thresholds. This invention solves the problem of existing technologies being unable to monitor the continuity status of joints in real time, significantly improving the reliability and maintainability of UAV electromagnetic shielding.

This disclosure relates to an exposure control method and a 3D printing device, addressing the technical problem of significant difficulty in removing the support structure model after printing, which severely affects the integrity of the main model. The method includes: acquiring main model data and support model data of model slices; the main model data includes a first region occupied by the main model, and the support model data includes a second region occupied by the support model; fusing the main model data and support model data based on the overlap between the first and second regions to obtain fused data; the fused data includes a first target region and a second target region; exposing the printing material of the first target region to a first exposure energy, and exposing the printing material of the second target region to a second exposure energy.

This utility model discloses a laminar flow bed air vent curtain device, including a laminar flow bed, a bed frame, and an air intake fan. A canopy frame is fixedly connected to the side of the bed frame, and a protective canopy is movably connected to the canopy frame. An air vent blocking component is detachably installed on the air intake fan. The air vent blocking component includes a fixed base, and two pipe clamps are fixedly connected to the fixed base. A protective cover for preventing the canopy from blocking the air intake of the air intake fan is detachably installed on the pipe clamps. With the above device, when the canopy is too long or may sag due to airflow, the auxiliary pulley on the fixed base cooperates with the pressure pulley on the side of the laminar flow bed. The torsion spring inside the pressure pulley clamps and fixes the folded canopy, preventing the canopy from being attracted by the airflow of the air intake fan and blocking the protective cover. This ensures unobstructed airflow to the air intake fan, maintains stable clean airflow in the laminar flow bed, and reduces the weakening of air purification effect and the risk of patient infection caused by the canopy blocking the air intake.

The invention relates to a city-level BIM model data lightweight processing method, belongs to the technical field of BIM model optimization, and solves the problems of insufficient lightweight depth and low instantiation reuse rate of an existing BIM model. Comprising the following steps: analyzing a BIM model, and dividing model data into geometric data and description data; performing normalization and parameterization processing on geometric data of each component family in the model to obtain standardized geometric primitives and transformation parameters of each component; performing optimization processing on the standardized geometric primitives to obtain grid data of a plurality of precision grades; for the grid data of each precision grade, firstly combining components meeting a preset condition, then extracting geometric topological characteristics of uncombined components, comparing the geometric topological characteristics, establishing a reference relationship of accurate instantiation or fuzzy instantiation, and updating description data; and compressing and packaging the grid data of each precision grade and the updated description data to obtain a lightweight file. And the lightweight effect of the model data is improved.

The application discloses a kind of measurement equipment independent quantum key distribution methods based on AI's frequency bin coding, including computer system executes following steps: input quantum signal sent by communication both sides, relative radial velocity between communication node and infeasible relay node and historical quantum interference statistical characteristic data;Quantum channel observation and frequency bin quantum state construction, the dynamic evolution of frequency bin caused by relative motion, frequency compensation decision based on reinforcement learning, the influence of residual frequency error on quantum interference performance, frequency bin utilization rate and error propagation caused by interference degradation and security key rate generation.The application can effectively improve the adaptability and operation reliability of MDI-QKD system based on frequency bin in dynamic, multi-noise environment, and provides an intelligent solution for security key distribution in high-capacity quantum communication network.