15results about How to "Efficient exchange" patented technology

Embodiments of the present application provide a neural network-based medical image segmentation system, which comprises a feature extraction module for extracting features from a medical image and a classifier for segmenting the medical image according to the features extracted by the feature extraction module, wherein the feature extraction module comprises an encoder and a decoder constructed based on a convolutional neural network and a transformer connected between the encoder and the decoder. This scheme automatically learns and focuses on important regions at any position in the image via the transformer and suppresses irrelevant interference information, and can effectively exchange information between feature representations of different regions, different sub-pixels in the image, accurately depict the dependence and relationship between pixels, and thus accurately and explicitly capture and model long-distance global context information, thereby improving the segmentation efficiency and segmentation accuracy of medical images.

The disclosure provides a three-dimensional packaged integrated high-density optoelectronic interconnection device, which can be applied to the fields of optoelectronic integration, optical communication and optical computing, and the device comprises: an electrical interconnection chip for transmitting electrical signals, transmitting electrical signals generated by an electrical computing chip to an optical interconnection chip for processing, and / or feeding back electrical signals processed by the optical interconnection chip to the electrical computing chip; an optical interconnection chip for processing and transmitting optical signals, converting received electrical signals into optical signals for transmission, and / or converting received optical signals back into electrical signals for transmission; an interposer for realizing electrical signal distribution and connection between the electrical computing chip and the electrical interconnection chip; and micro-bumps for establishing physical connection between the electrical interconnection chip and the optical interconnection chip and between the optical interconnection chip and the interposer, so as to realize transmission of electrical signal data between multiple chips.

The utility model provides a biscuit stuffing stirrer and mixing and stirring equipment, and relates to the technical field of biscuit production. The biscuit stuffing stirrer comprises a vertical stirring tank body and a stirring assembly; the stirring assembly comprises a first stirring shaft, a second stirring shaft and a multi-layer composite stirring blade structure arranged in the stirring cavity, and the second stirring shaft is sleeved with the first stirring shaft; the multi-layer composite stirring blade structure comprises a main blade unit group, an auxiliary blade unit group and a pushing blade unit group which are sequentially arranged along the direction far away from the bottom plate; the main paddle unit group comprises a plurality of first paddles, each first paddle comprises an extension rod and a mixing scraper, and the mixing scraper inclines towards the first stirring shaft along the direction close to the bottom plate; the auxiliary paddle unit group comprises a second paddle, one end of the second paddle is connected with the second stirring shaft, and the other end of the second paddle extends towards the cylindrical inner wall; the pushing paddle unit group comprises at least one pushing rod, and the pushing rod is connected with the second stirring shaft, extends towards the direction of the cylindrical inner wall and then extends along the direction far away from the bottom plate.

The utility model relates to dust removal device technical field, concretely relates to a water cooling integrated cyclone dust collector, and the device structure includes the casing, sets up the air inlet pipe, the air outlet pipe in the casing outside and is penetrated to the casing, the impeller rod is longitudinally and rotationally arranged in the casing, the water pump is arranged in the casing bottom, and the cooling channel is arranged on the casing side wall around, through the impeller rod and water pump axle linkage design, utilize the air intake airflow drive impeller rotation to realize self -supply energy water cooling circulation, through the cooling channel in the casing interlayer cavity and the synergic effect of rotary filter plate, complete gas cooling in the dust removal process simultaneously, integrate dust removal and cooling function in one, have the comprehensive advantage that energy -conserving and cost -reducing, dust removal cooling synchronization, compact structure and maintenance cost are low.

The utility model relates to door and window technical field discloses indoor fresh air air conditioning electric drive door and window, including door and window shell, motor and ventilation groove etc. Door and window shell inner chamber both sides are equipped with window frame, and the upper part is opened and is installed the groove, and the motor is equipped with the front and rear portion of installation groove, and its rotor coaxial installation screw rod, and the screw rod surface is screwed and is connected drive block, and drive block bottom is linked with window frame upper surface, ventilation groove is equipped with door and window shell surface both sides, and the inner chamber is installed fan. This electric drive door and window is driven screw rod rotation through motor, makes drive block to drive window frame accurate, stable movement, can adjust door and window opening and closing degree quickly, provides flexible and automatic basis for indoor fresh air air conditioning. Meanwhile, the fan in the ventilation groove initiatively promotes indoor and outdoor air efficient exchange, accelerates air circulation, effectively adjusts indoor fresh air volume, and timely improves indoor air environment. The patent product realizes the combination of electric drive and fresh air regulation, satisfies people's requirement to indoor air quality.

This application relates to the field of electrocatalysts and their preparation technology, specifically to a phosphorus-doped cobalt-molybdenum alloy electrode, its preparation method, and its application. This application solves the problem of low Faradaic efficiency and yield in existing electrocatalytic conversion of nitrate to ammonia. The catalyst for nitrate-to-ammonia reduction with a nanosheet structure obtained by phosphating a sample prepared from a Co and Mo composite exhibits excellent Faradaic efficiency and yield in nitrate-to-ammonia reduction. Test results show that the prepared P-CoMo / NF nanoalloy catalyst achieves an ammonia yield as high as 13700.49 μg h⁻¹ in a mixed solution of 1 mol / L KOH and 0.1 mol / L KNO₃ at -0.5 V vs. RHE. ‑1 cm ‑2 The Faraday efficiency remained at 91.69%. Furthermore, the ammonia yield and Faraday efficiency remained stable over 10 cycles at -0.5V vs. RHE.

The invention relates to a high-flow temperature and humidity oxygen therapy joint for a tracheotomy patient, which comprises a corrugated connecting pipe, one end of the corrugated connecting pipe is provided with a first quick plug for connecting a high-flow temperature and humidity oxygen output pipe, and the other end of the corrugated connecting pipe is connected with a straight pipe; a second quick plug connected with a trachea cannula is arranged at one end of the straight pipe, and an exhaust hood is arranged at the other end of the straight pipe; an opening is formed in the exhaust hood, an annular cavity is formed in the periphery of the opening, the four edges of a movable rod plate are arranged in the annular cavity in a sliding mode, the center of the movable plate is rotationally connected with a turning cover, and a plurality of exhaust holes are formed in the turning cover in an array mode. A V-shaped elastic piece is further fixed to the movable plate, and the free end of the V-shaped elastic piece abuts against the end, away from the rotating shaft of the turning cover, of the turning cover so that the turning cover can keep the closing tendency in the natural state.

The invention provides a casein source 3D printing bio-ink and a preparation method of a biological scaffold and cell culture meat. The bio-ink is prepared from the following raw materials in parts by weight: 15.6 parts of gelatin; 2.6 parts of sodium alginate; 4.2 parts of casein; 52.5 parts of a sodium hydroxide deionized water solution with a pH value of 8; and 87.5 parts of a sterile 1 * PBS buffer solution. The ink is subjected to extrusion type 3D printing and calcium chloride crosslinking to obtain a biological scaffold; c2C12 cells are inoculated on the support, and cell culture meat is obtained through proliferation-differentiation culture. The problems that existing 3D printing bio-ink is single in performance and poor in component adaptability, a biological scaffold material is insufficient in mechanical stability, and nutritional ingredients are deficient are solved. The prepared bio-ink has excellent mechanical properties and printing adaptability, and provides key technical support for industrial preparation of cell culture meat.

This utility model discloses a fluid kinetic energy heat pump, belonging to the technical field of heating and cooling equipment. It mainly includes a cold water tank and a hot water tank. The hot water tank is connected to an external circulation outlet pipe and an internal circulation return pipe. A large heat exchanger is installed between the cold water tank and / or the hot water tank and the internal circulation return pipe. The water inlet of the large heat exchanger is connected to the cold water tank and / or the hot water tank via an internal circulation pump. The water outlet of the large heat exchanger is connected to the internal circulation return pipe. The refrigerant circuit of the large heat exchanger is connected in parallel with one or more refrigerant heat exchange systems. The external circulation outlet pipe is connected to the hot water outlet pipe via an external circulation pump. This utility model uses multiple sets of refrigerant heat exchange systems connected in parallel through the refrigerant circuit of the large heat exchanger. Simultaneous operation allows for the absorption of heat from the air through refrigerant circulation, resulting in efficient heat exchange with the water circuit and improving the efficiency of cooling or heating functions.

The utility model relates to the field of integrated battery pack discloses a kind of lithium iron phosphate battery energy storage integrated battery pack, including several partition plates, several The partition plate is fixed in the inside bottom surface of battery box, the inside of battery box is provided with several lithium battery bodies, the lithium battery body sliding fit between battery box and partition plate, the top surface of the partition plate is equipped with rotating groove, the inside of rotating groove is provided with bearing, the inside of bearing inner ring is fixed with rotating column, the top of rotating column is fixed with rotating plate, the top surface of rotating plate is fixed with knob, the both sides of lithium battery body are respectively fixed with limit slot. The cooperation of clamping strip and clamping groove realizes the accurate positioning of lithium battery body horizontal position, and the rotating plate of rotating into limit slot is used to limit longitudinal displacement, and the double limiting mechanism effectively prevents any shaking of lithium battery body in battery box, significantly improves the structural stability after installation.

This invention provides a multimodal fusion system and method based on neural networks. The fusion method specifically includes: (1) frequency filtering, which introduces a frequency filtering module before multimodal signal fusion to suppress the effects of high-frequency noise or texture artifacts in multimodal data that vary depending on the modality, thereby enabling the attention layer to focus on semantically meaningful content; (2) multimodal cross-attention fusion, which extends the early multimodal attention fusion mechanism by integrating cross-modal attention mechanisms and fine-grained hierarchical attention mechanisms through a cross-modal cross-attention fusion module to support more powerful cross-modal feature exchange. This invention can effectively improve the robustness of multimodal object detection under various datasets and sensor conditions. By combining frequency domain denoising with cross-modal perceptual attention, it can reduce noise from each modality and promote the effective exchange of complementary features between different modalities.

The utility model provides a negative oxygen ion potting base integrated device, which belongs to the technical field of integrated devices and comprises an annular base, a negative oxygen ion potting base integrated device, a negative oxygen ion potting base integrated device and a negative oxygen ion potting base integrated device, the top of the annular base is provided with a step-shaped mounting cavity, the bottom of the annular base is provided with anti-skidding supporting legs, and the mounting cavity comprises an upper-layer flow guide chamber and a lower-layer fixing chamber; the negative ion generation unit is fixedly mounted in the lower-layer fixed chamber and comprises a boosting module, a spray point group and an isolation cover; the airflow guide assembly is detachably connected to the upper-layer flow guide chamber through a buckle, and a spiral flow guide plate is arranged on the inner wall of the airflow guide assembly; the composite breathable panel is embedded in the top of the base and comprises an upper inclined through hole layer and a lower flow guide convex layer; the adjustable installation frame is hinged to the back face of the base and comprises a telescopic supporting rod and a fixing base plate, the spiral flow guide plate is an involute-shaped curved-surface blade, the defects that a traditional potted plant base integration device is single in function and inconvenient to install are overcome, and multifunctional integration and performance optimization are achieved.

According to the flue gas waste heat recovery device, a support is fixedly arranged in a flue gas heat exchange pipe, a dust suction pipe is rotationally arranged on the support, a plurality of dust suction holes are formed in the dust suction pipe, a plurality of cleaning rods are symmetrically arranged on the peripheral side of the dust suction pipe, and brushes making contact with the inner wall of the flue gas heat exchange pipe are arranged on the cleaning rods. The motor and the dust collection equipment are started at the same time, the motor drives the driving disc to rotate, then the dust collection pipe can rotate, at the moment, the brushes on the cleaning rods continuously clean the inner wall of the flue gas heat exchange pipe, the dust collection holes in the dust collection pipe begin to suck dust and other impurities generated in the cleaning process, and the dust is prevented from being accumulated on the pipe wall to affect the heat exchange efficiency.

The invention relates to the field of material mechanical property testing device development, in particular to a variable ammonia-alcohol-hydrogen environment multi-type corrosion testing device and a variable ammonia-alcohol-hydrogen environment multi-type corrosion testing method.The variable ammonia-alcohol-hydrogen environment multi-type corrosion testing device comprises a first reaction kettle, a second reaction kettle and a third reaction kettle, the second reaction kettle is a constant displacement stress corrosion device, and the third reaction kettle is an electrochemical corrosion test device; the first reaction kettle, the second reaction kettle and the third reaction kettle are respectively connected with a gas distribution device for supplying gas and a tail gas recovery device for recovering tail gas through pipelines; the first reaction kettle, the second reaction kettle and the third reaction kettle are connected with the stepless pressure regulating device through pipelines; and the first reaction kettle, the second reaction kettle and the third reaction kettle are respectively connected with a water bath circulating temperature control device through water jackets. According to the device and the method, actual working conditions can be accurately simulated, and a constant-load tensile stress corrosion test, a constant-displacement stress corrosion test and an electrochemical corrosion test of ammonia-alcohol-hydrogen in different corrosion environments can be synchronously or asynchronously realized.

The invention relates to a multifunctional ecological enclosure for lake submerged vegetation restoration, and relates to the technical field of vegetation ecological restoration, the enclosure comprises a first hollow rod and a second hollow rod which are vertically inserted in a peripheral water body of an enclosure object, and an enclosure net connected to the side, away from the enclosure object, of the first hollow rod and the second hollow rod, and the enclosure net is circumferentially arranged around the enclosure object; the light supplementing mechanism is connected between the first hollow rod and the second hollow rod and close to the bottom face side of the water body, and the light emitting face of the light supplementing mechanism horizontally emits light towards submerged vegetation in the peripheral water area of the enclosure object. The scouring turbulent flow mechanism is arranged between the first hollow rod and the light supplementing mechanism, water is pumped from the upper layer of the periphery and sprayed to the light emitting face from bottom to top, and turbulent flow is formed between the light emitting face and the submerged vegetation. Through the structure, favorable illumination can be provided for submerged vegetation, algae attachment and impurity deposition are inhibited, meanwhile, the thickness of a leaf boundary layer is improved, water body substance exchange is promoted, and the photosynthesis efficiency and the growth environment stability are improved.