11results about How to "Does not affect the structure" patented technology

The application provides a watermark embedding and extracting method, device, equipment, storage medium and product. The watermark embedding method comprises: performing block processing on an image to be embedded with a watermark to obtain a plurality of image blocks, wherein the plurality of image blocks comprise a first number of first image blocks and a second number of second image blocks, and target feature parameters of the first image blocks and the second image blocks are different; performing transformation processing on the plurality of image blocks respectively to obtain transformation domain features of the plurality of image blocks, wherein the transformation domain features comprise a low-frequency subband and a plurality of high-frequency directional subbands; and based on the transformation domain features of the plurality of image blocks, watermark information is embedded into target low-frequency subbands of the first number of first image blocks and target high-frequency directional subbands of the second number of second image blocks to obtain an image containing a watermark.

The utility model discloses a wire bar and generator stator with temperature measurement function, aims at solving the temperature sensor in traditional wire bar structure, cannot directly measure the temperature of wire bar conductor, there is temperature measurement result misalignment, temperature measurement efficiency is low and cannot realize the overheating early warning of generator stator's problem. The wire bar body and temperature sensor of the utility model, the wire bar body includes conductor and insulating layer, and the insulating layer is sleeved on the conductor, and the temperature sensor includes temperature sensing probe and signal transmission part, and temperature sensing probe is connected with signal transmission part, temperature sensing probe is connected with the conductor, and the insulating layer is connected with temperature sensing probe, and signal transmission part sets up between the insulating layer and the conductor and leads out from one end of the insulating layer. Through temperature sensing probe and conductor direct connection, make temperature sensor can directly monitor the temperature condition of conductor, avoid the thermal resistance delay of indirect temperature measurement, ensure the accuracy and timeliness of temperature monitoring, improve the efficiency of temperature monitoring.

The application relates to the technical field of catalyst carriers, and particularly discloses a preparation method of a high-stacking-ratio bimodal-pore tooth-shaped alumina carrier. The preparation method of the high-stacking-ratio bimodal-pore tooth-shaped alumina carrier comprises the following steps: taking mesoporous pseudo-boehmite, macroporous pseudo-boehmite, a composite forming aid, a soft template pore-expanding agent and a hard template pore-expanding agent as raw materials, dry-mixing under a vacuum degree of 0.06-0.08 MPa for 10-20 min, then adding a peptizing agent and deionized water, and stirring and kneading to obtain a paste; and extruding, cutting, rounding, drying and calcining the paste to obtain an alumina carrier. The preparation method can obtain a tooth-shaped alumina carrier which has high stacking ratio and bimodal pores.

The utility model discloses an inflator for inflating product belongs to inflating device technical field, and it includes the cylinder, the inflator and the piston structure. Its innovation lies in setting up the oil absorption cotton structure, and this oil absorption cotton can be installed in two positions: one is on the piston structure, and specifically can be set in the positioning groove of piston or the annular groove specially, is located the rubber ring inside, two is the bottom of the cylinder. The piston structure includes the support disc with the positioning groove and the annular groove and the rubber ring with the inverted L type section. The oil absorption cotton can be annular or circular, and can be provided with tail strip to facilitate replacement. The utility model prolongs the service life of inflator, improves the inflating cleanliness through the effective adsorption and slow -release lubricating oil of oil absorption cotton, reduces the friction wear and oil spill, is especially suitable for the product such as inflating toy.

The application discloses layered multi-scale TiB2 and TiB w The application discloses a preparation method of a hybrid aluminum matrix composite material. The method relates to the technical field of high-strength and high-toughness aluminum matrix composite material preparation. The method comprises the following steps: ball-milling Ti powder and TiB2 powder to uniformly mix the powders; adding deionized water, a dispersing agent and a binder into the mixed powders, uniformly mixing the powders, and preparing uniformly dispersed slurry; pouring the slurry into a mold, placing the mold on a cold source, and performing directional solidification; placing the solidified slurry in a vacuum drying machine, performing freeze drying, and preparing a ceramic green body preform; placing the ceramic green body preform in a furnace, performing sintering, and preparing a ceramic preform; placing the ceramic preform in a hot working mold, performing heating and heat preservation, pouring prepared aluminum melt into the hot working mold, performing pressure infiltration, and preparing an ingot; and performing solid solution and aging treatment on the ingot. The aluminum matrix composite material has high-strength and high-toughness mechanical performance characteristics, and can be used for manufacturing load-bearing structural parts in various fields.

The utility model discloses a kind of battery pack with battery swelling monitoring function, including shell, multiple battery and strain fiber;The shell includes box, upper cover plate, lower cover plate;Box is provided with swelling beam, the space of the box is divided into battery space and equipment space;Battery is arranged in battery space with horizontal array mode, forms battery array;Strain fiber at least includes first strain fiber and second strain fiber;First strain fiber is located along the length direction of the swelling beam in the side of equipment space, and forms multiple swelling measuring points;Second strain fiber is fixed in the inside of upper cover plate in serpentine mode, traverses entire battery array, and forms multiple swelling measuring points;The connection of grating measuring point and the shell is tight rigid connection;Battery and shell are filled between by structural adhesive.This battery pack uses fiber grating sensing technology, can monitor the swelling condition of battery pack, substantially does not occupy battery pack space, does not affect original structure of battery pack.

The present application relates to a strain of Bacteroides fragilis and its application, the strain is preserved in China General Microbiological Culture Collection Center (CGMCC) on April 14, 2026, and the preservation number is: CGMCC No. 38257.The strain can regulate STING-dependent training immunity, effectively resist Salmonella typhimurium and H9N2 avian influenza virus infection, maintain the integrity of the intestinal barrier of the host, and reduce inflammatory damage.The Bacteroides fragilis of the present application has good biological safety, and the strain can be used as a training immunity inducer, and the strain is expected to be a candidate probiotic or vaccine adjuvant for preventing / treating bacterial and viral infections, suitable for human health and poultry farming, and provides a new solution to resist antibiotic resistance.

The invention discloses a laser radar and a vehicle, relates to the technical field of vehicles, and aims to solve the problems of unreasonable arrangement of components in the laser radar and large occupied space. The laser radar comprises a shell assembly, a main circuit board, an optical machine assembly and a scanning mirror assembly. The shell assembly comprises a bottom wall, the total circuit board is arranged on the bottom wall in an extending mode in the first direction, the light machine assembly is installed on the bottom wall and connected with the total circuit board, the scanning mirror assembly is installed on the bottom wall and connected with the total circuit board, and the light machine assembly and the scanning mirror assembly are located on the same side of the total circuit board and arranged in the first direction.

The high-altitude operation safety belt compliance use monitoring device comprises a safety rope hook detection unit and a surrounding rod belt hook detection unit, when a hook is not hooked or accidentally falls off, a normally open contact of a magnetic control sensor is closed, a signal is sent to a controller through a 2.4 G communication module, and the controller is connected with the safety rope hook detection unit and the surrounding rod belt hook detection unit. And the controller gives an alarm after receiving the signal. And a low-hanging detection unit, a buffer bag detection unit and a near-electricity induction unit are further arranged. Compared with the prior art, the structure has the advantages that on the premise that the original structure and function are not influenced, the hanging state of the hooks on the safety rope and the pole surrounding belt can be accurately detected, whether the non-standard use behavior of low hanging is carried out or not can be detected, whether a high-voltage electric field exists around or not and whether a buffer bag is scattered or not can also be detected, and the safety of the safety rope and the pole surrounding belt is ensured. The safety accident rate of climbing operation is effectively reduced, and reliable life safety guarantee is provided for operators.