15results about How to "Functionality is not affected" patented technology

The invention discloses an intelligent two-dimensional code anti-counterfeiting verification system, and relates to the technical field of anti-counterfeiting, and the system comprises an information coding and encryption module, a phase conversion and encryption module, an optical instruction generation module, a scanning and instruction execution module, and a decryption and verification module. The information coding and encryption module is used for collecting comprehensive information of a product and generating a basic two-dimensional pattern according to a two-dimensional code coding standard. The phase conversion and encryption module is introduced, so that a major breakthrough of a two-dimensional code anti-counterfeiting verification technology is realized, the module can convert key information into phase information, and the phase information is transmitted to the two-dimensional code; according to the optical encryption method, the two-dimensional code is used as a laser source, normalization processing is carried out in combination with laser wavelength, the phase of reflected light in a specific area of the two-dimensional code is changed through a phase mask plate, so that encrypted information is embedded, the security and reliability of anti-counterfeiting verification are greatly improved, normal scanning and reading functions of the two-dimensional code are not affected, and the security and reliability of the two-dimensional code are improved. And a more powerful technical guarantee is provided for product anti-counterfeiting.

The invention relates to a bio-based polyurethane foam mulching film composition and a preparation method and application thereof.The mulching film composition comprises a component A and a component B. The component A comprises soybean oil polyol, nano cellulose hydrogel, a foam stabilizer and a catalyst, and the catalyst is an organic tin catalyst and / or an amine catalyst; and the component B is isocyanate. The component A and the component B are mixed, atomized and sprayed out, and the foam film with good spraying performance and physical performance is obtained. The method not only solves the problem of excessive dependence on petroleum-based polyether polyol in the field of polyurethane foam, but also does not need to additionally introduce a foaming agent. The mulching film not only has heat preservation and moisture preservation functions of a traditional mulching film, but also has biodegradability, is beneficial to reduction of soil pollution, and meets the requirements of environmental protection and sustainable development. The method is simple and feasible, and is suitable for large-scale production, popularization and application.

The invention provides a coding device, a decoding device, a coding method and a decoding method. The coding device comprises a pre-interleaving module, a symbol distribution module, N RSFEC coding modules and a symbol interleaving module, the pre-interleaving module performs a first interleaving operation on an alignment sequence in a received sending data stream, so that an original bit sequence of the alignment sequence taking a symbol as granularity is changed; the symbol distribution module distributes the sending data stream after the first interleaving operation to N RSFEC coding modules; each RSFEC coding module carries out RSFEC coding on the received transmission data stream, and N RSFEC coding modules carry out coding to obtain N paths of transmission coding data streams; the symbol interleaving module performs second interleaving operation on the N paths of sending coding data streams to obtain N paths of sending channel data streams, and each path of sending channel data stream is sent to one of N physical channels; after the second interleaving operation, the disorganized original bit order of the alignment sequence is recovered.

The utility model discloses a cathode protection device convenient to replace, which is mounted in an access hole reserved in a tank body needing to be protected and comprises a device main body, the device main body is communicated with the tank body, a valve body is mounted at the communication position, an anode module is mounted in the device main body, and a connecting module comprises a bolt, sealing rubber and a contact elastic sheet. The anode module comprises an anode block, a pressing plate, a stainless steel spring and a fixing device. According to the cathode protection method adopting the sacrificial anode, the service life of the structure can be effectively prolonged; the device and the protected tank body are connected through the elastic contact piece, so that a reliable transmission channel is provided for charges; the anode block is fixed on the cathode protection device through the pressing plate, the stainless steel spring and the fixing device, and a reliable fixing mode is achieved.

The application discloses a method for removing endotoxin from gelatin. The method comprises the following steps: (1) adding pyrogen-free water to gelatin raw materials, swelling, and then heating to 50-70 DEG C to prepare a gelatin solution with a mass concentration of 3-20%; (2) adding an adsorbent with a mass of 2.5%-100% of the gelatin, adsorbing at 40-70 DEG C for 30-240 min, and then separating the adsorbent from the gelatin solution by filtration or centrifugal separation to obtain a filtrate; (3) further filtering the filtrate by filter paper and thin-layer diatomite to obtain a refined filtrate, diluting the refined filtrate with 4 times the volume of water, ultrafiltering by using a membrane with a molecular weight cut-off of 5000-20000 Da, finally concentrating to a concentration of 10-25%, sterilizing, and drying to obtain gelatin solid with low endotoxin; the adsorbent used in step (2) is an adsorbent with a silica gel carrier, polyethylene imine as a ligand, and a spacer arm grafted or ungrafted, and the spacer arm is hexanediamine. The purified gelatin can be used in the preparation of blood plasma substitutes, tissue engineering scaffolds, implants and absorbable hemostatic materials.

The utility model relates to the technical field of embedded channels. The utility model discloses a multidirectional anchoring pre-buried channel which comprises a pre-buried groove body, a connecting assembly is connected to the inner side of the pre-buried groove body in a sliding mode, the connecting assembly further comprises a hollow sliding block, a threaded sleeve is fixedly connected to the inner side of the hollow sliding block, a threaded connecting rod is connected to the inner side of the threaded sleeve in a threaded mode, and the threaded connecting rod is fixedly connected to the inner side of the hollow sliding block. The inner side of the hollow sliding block is slidably connected with a locking part, the embedded channel is provided with the locking part, when the position of the connecting assembly needs to be adjusted, the pressing plate is pressed downwards, finally, the inserting block is pulled back into the hollow sliding block, at the moment, the hollow sliding block can slide in the embedded channel at will, the pressing plate is loosened, and the connecting assembly can be adjusted. And the inserting block is clamped with the inner wall of the pre-embedded groove body through the limiting groove. Thus, the connecting assembly is firmly fixed to the specific position in the embedded groove body, the anchoring function is achieved, the firmness of the connecting assembly during fixing is guaranteed, and the anchoring requirement is met.

The invention relates to the technical field of earthquake resistance of building engineering, and in particular to a replaceable energy absorbing device applied to the core stress node domain of a steel frame structure, comprising a cover plate, a partition plate, a core energy absorbing plate, a pad plate, a filling plate and a fastener; the cover plate, the core energy absorbing plate and the pad plate are all provided with two, the two ends of the core energy absorbing plate are aligned and arranged at intervals, the two cover plates are arranged on both sides of the core energy absorbing plate, the two pad plates are arranged on both sides of the core energy absorbing plate, the pad plate on one side of the core energy absorbing plate is arranged above the cover plate, and the pad plate on the other side is arranged below the cover plate, the partition plate is arranged in the middle of the core energy absorbing plate, a plurality of fasteners are provided, and the plurality of fasteners pass through the cover plate, the partition plate, the core energy absorbing plate and the pad plate one by one to fix them to the core stress node of the building structure, the device can induce the main damage generated inside the building structure to the core energy absorbing plate during an earthquake, the core energy absorbing plate generates plastic deformation to consume energy, and the damaged core energy absorbing plate can be replaced after the earthquake to realize the function of the device returning to normal.

This invention relates to the field of bridge construction technology, and discloses a support system and construction method for a mainline bridge cap beam. The system includes: a cap beam formwork support, which provides a supporting foundation for the mainline bridge cap beam formwork; the cap beam formwork support includes: a first cap beam formwork support and a second cap beam formwork support; multiple bracket structures connected to the existing mainline bridge piers; both ends of the bracket structures extend outward beyond the mainline bridge piers, forming cantilever ends; the first cap beam formwork support is erected on the cantilever ends of the bracket structures, with its top providing support for the mainline bridge cap beam formwork; the second cap beam formwork support is erected above the existing auxiliary road bridge deck, with its top providing support for the mainline bridge cap beam formwork; the first and second cap beam formwork supports are connected to form an integrated support system. Because the cap beam formwork support does not occupy the river channel area under the bridge, it ensures that the river's flood control and navigation functions are not affected; and it effectively shortens the construction period.

The utility model belongs to the technical field of magnetic cores, and discloses a soft magnetic core body and a motor, the soft magnetic core body is formed by extruding and annealing soft magnetic material powder in a shaped die, the soft magnetic core body internally comprises a non-magnetic metal piece, when the soft magnetic core body is processed, the soft magnetic material powder and the non-magnetic metal piece are mixed and placed in the die, and the non-magnetic metal piece is placed in the die. The non-magnetic metal piece plays a connecting role in the soft magnetic core body, the strength of the soft magnetic core body is improved, the soft magnetic core body is not prone to being broken, the magnetism of the whole soft magnetic core body is not affected by adding of the non-magnetic metal piece, it is guaranteed that the function of the soft magnetic core body is not affected, the non-magnetic metal piece can be arranged to be in a net shape or a strip shape, and when the non-magnetic metal piece is in a net shape, the non-magnetic metal piece is not prone to being broken. And the non-magnetic metal parts are laid in the soft magnetic material powder, and when the non-magnetic metal parts are strip-shaped, the non-magnetic metal parts are directly mixed with the soft magnetic material powder, so that the processing of the soft magnetic core body is facilitated.

The present invention belongs to the technical field of gas sensor manufacturing, and discloses a micro-hotplate gas-sensitive array device based on a ceramic substrate and a manufacturing method. It includes a porous protective mesh cover, a ceramic micro-hotplate gas-sensitive array chip, a padding ring and a semiconductor tube shell; the ceramic micro-hotplate gas-sensitive array chip is arranged below the porous protective mesh cover, and is fixedly connected to one side of the padding ring; the semiconductor tube shell is fixedly connected to the other side of the padding ring, and the ceramic micro-hotplate gas-sensitive array chip is connected to the pad through a lead. The present invention also discloses a manufacturing method of the corresponding micro-hotplate gas-sensitive array device. The present invention can not only make the gas-sensitive film in the ceramic micro-hotplate gas-sensitive array chip fully contact the atmosphere, but also make the device have certain mechanical properties, effectively avoid the problem of cracking of the silicon wafer due to stress accumulation during thermal shock, improve the stability and reliability of the product, and enable the device to be widely used in various occasions.

The present invention discloses a dual external solenoid valve type electronically controlled shock absorber with an external filtering device. Different from the existing dual external solenoid valve type electronically controlled shock absorber, the dual external solenoid valve type electronically controlled shock absorber of the present invention is provided with a filtering device on the liquid storage cylinder, and the filtering device is interconnected with the leakage chamber between the working cylinder and the intermediate cylinder through a pipeline, and the filtering device is provided with a filtering core and a filtering oil circuit damping valve. The present invention allows part of the oil to enter the filtering device through a special oil circuit design, and removes impurities in the oil through the filtering device, thereby avoiding the phenomenon that the shock absorber performance is reduced or even damaged due to the accumulation of impurities, thereby extending the service life of the shock absorber and reducing the cost of repair and maintenance. At the same time, since the filtering device is provided with a filtering oil circuit damping valve, the shock absorber has an additional damping oil circuit, which is more adjustable; in addition, the filtering device adopts an external design, which is convenient for replacing the filter element, and the repair and maintenance costs are low.

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.

The utility model relates to the field of industrial production, and discloses a paint scraping device for paint production, which comprises a storage tank, a plurality of springs are fixedly connected in an outer plate, a push plate is fixedly connected between the ends of the plurality of springs far away from a fixed rod, and a scraping plate is fixedly connected to one side of the push plate far away from the springs. A connecting plate is fixedly connected between the adjacent sides of the two outer plates, and a stirring assembly is installed in the storage tank. According to the coating scraping device, the storage tank, the fixing ring, the motor, the first sleeve rod, the rotating rod, the second sleeve rod, the fixing rod, the outer plate, the spring, the push plate and the connecting plate are matched with one another to drive the scraping plate to work, coating attached to the inner wall of the storage tank can be quickly scraped cleanly, waste of the coating is reduced, and in the scraping process, when the scraping plate is damaged, the scraping plate is not damaged. The spring on the rear side can enable the scraping plate to abut against the inner wall in time, and the phenomenon that scraping is not thorough is avoided.

The present invention is applicable to the technical field of antenna equipment, and provides a device with a detachable antenna structure. The device with a detachable antenna structure includes an antenna structure, a flexible sleeve and a face shell, a mounting portion is provided on the outer peripheral wall of the face shell, the mounting portion has a mounting groove connected to the inner cavity of the face shell, the flexible sleeve is sleeved on the antenna structure, and the flexible sleeve is inserted into the mounting groove. The device with a detachable antenna structure provided by the present invention can play a buffering role when the device falls, effectively avoiding the risk of the antenna structure being broken due to impact; and, the fixed installation of the antenna structure is achieved by replacing glue with the snap-fit ​​cooperation between the flexible sleeve and the mounting groove, effectively avoiding the risk of contamination of the antenna structure by the glue dispensing process, so as to ensure that the function and efficiency of the antenna structure are not affected, ensure the high reliability of the device, and ensure the product yield and life.

The present invention belongs to the technical field of high-voltage integrated machines, and in particular to a high-power permanent magnet high-voltage integrated machine. Existing integrated machines often use the outer shell of the machine body to dissipate heat from the machine body. The heat dissipation effect of this passive heat dissipation method is not satisfactory. When running at high power, the heat cannot be released quickly, which affects the working state of the integrated machine. The following scheme is now proposed, including an integrated machine body, the outside of the integrated machine body is fixedly connected with a connecting seat, the connecting seat is located below the integrated machine body, and the bottom of the connecting seat is fixedly connected with a base plate. A high-power permanent magnet high-voltage integrated machine disclosed in the present invention can effectively control the body temperature of the integrated machine body when it is running. By combining active cooling such as air cooling and oil cooling with passive cooling of the outer shell heat sink, the device can make the integrated machine body run in the best state at any time, ensuring that the use function of the integrated machine body is not affected and improving the service life of the integrated machine body.