40results about How to "Compatibility" patented technology

The invention discloses a superconducting transistor device and a preparation method thereof, and belongs to the field of superconducting electronics, and the superconducting transistor device comprises a first grid electrode and / or a second grid electrode, a superconducting nanowire, a first electrode and a second electrode. Wherein the first grid electrode and the second grid electrode are located on the two sides of the superconducting nanowire respectively, or the first grid electrode or the second grid electrode is located on the side edge of the superconducting nanowire; two ends of the superconducting nanowire are respectively connected with the first electrode and the second electrode; the first grid electrode and / or the second grid electrode, the first electrode and the second electrode are used for being connected with an external electrode. The superconducting transistor device with a logic function is obtained through construction of the superconducting nanowires and the grid electrodes, the structure of a superconducting logic circuit is simplified, the integration level and expansibility of the device are improved, the preparation difficulty and the requirement for magnetic shielding are greatly reduced, and a new technical route is provided for development of superconducting integrated circuits.

The invention discloses an instruction optimization method and device, a processor, electronic equipment and a storage medium. The instruction optimization method comprises the steps that a compilation file is obtained, and in the compilation file, each instruction in multiple instructions included in the compilation file is completely configured with an instruction information register before execution; based on the compilation file, optimization operation is conducted on the multiple instructions one by one according to the instruction sequence of the multiple instructions in the compilation file so as to determine optimization information of each instruction, the optimization information comprises whether the instructions are optimized or not and optimization is conducted in response to the instructions, and the optimization information further comprises instruction information registers to be eliminated corresponding to the instructions; according to the optimization information, the compiled file is optimized, an optimized compiled file is obtained, and in the optimized compiled file, configuration of the instruction information register of repeated configuration of at least part of instructions is eliminated.

The invention discloses a method for measuring the rigidity of paired main bearings of an RV speed reducer. The method comprises the following steps of 1, customizing a bearing mounting tool according to the size of a bearing to be measured; step 2, inputting a test load spectrum and an axial measurement load on the measurement controller; 3, completing the assembly of the bearing installation tool and the two to-be-tested bearings, and connecting a tool upper cover with the top platform; 4, rotating the tool spacer ring and driving the outer rings of the two to-be-tested bearings to rotate, and eliminating gaps between the ferrules of the two to-be-tested bearings and the rolling balls; step 5, applying an axial load to the two to-be-measured bearings until the axial load is consistent with the axial measurement load set on the measurement controller, thereby completing the preloading of the two to-be-measured bearings; step 6, calculating the assembly height of the paired bearings; and step 7, taking the numerical value of the assembly height of the paired bearings as an original point, continuously applying an axial load to the two to-be-tested bearings, and finally drawing a stress-displacement curve by using test data. The method is high in measurement efficiency.

The invention provides a traditional Chinese medicine composition for treating qi-yin deficiency type pulmonary nodule and a preparation method and application thereof, and belongs to the technical field of traditional Chinese medicine preparations. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 10-30 parts of sun-dried ginseng, 15-45 parts of celandine, 10-40 parts of lily and 10-40 parts of fructus trichosanthis. The traditional Chinese medicine composition disclosed by the invention has an exact curative effect on patients with qi-yin deficiency type pulmonary nodules, and can reduce and stabilize the size of the pulmonary nodules and reduce the malignant risk probability of the patients with the pulmonary nodules; the qi-yin deficiency type clinical symptoms such as fatigue, cough and dry mouth of a patient can be obviously relieved; the release of inflammatory factors of the body is effectively improved, the immune cell microenvironment is regulated, the precancerous soil of a patient is improved, and the clinical application prospect is wide.

The invention discloses a secret key exchange method, system and device and a storage medium, and relates to the field of information security, and the method comprises the steps that a first device and a second device respectively generate respective public and private key pairs; the public and private key pair comprises a public and private key pair of a classic shared key algorithm and / or a public and private key pair of a post-quantum shared key algorithm; furthermore, the first equipment exchanges data with the second equipment; a shared key is established between the first device and the second device through key negotiation or key encapsulation; and finally, the first equipment and the second equipment mutually verify whether the shared keys are consistent or not. The security of the key exchange process is ensured by combining a classical algorithm and a post-quantum algorithm, and the system compatibility and performance are considered while the quantum attack resistance is provided.

The present application relates to the technical field of traditional Chinese medicine compositions, and specifically discloses a traditional Chinese medicine composition with the effects of stopping sweating and promoting fluid production and a health-care beverage. The composition is prepared from raw licorice, schisandra chinensis, radix codonopsis, momordica grosvenori, coix seed, poria cocos, edible salt, glucose, mint, raw ginger, honeysuckle, bamboo leaf, radix trichosanthis, celtis bungeana, white cardamom in a specific weight ratio. The composition uses schisandra chinensis as the monarch herb to stop sweating and promote fluid production, radix codonopsis and raw licorice to supplement qi and consolidate the exterior, radix trichosanthis, bamboo leaf and celtis bungeana to clear heat and promote fluid production, coix seed, poria cocos and white cardamom to invigorate the spleen and eliminate dampness, honeysuckle and mint to clear away summerheat, raw ginger to warm the center and prevent cold, and momordica grosvenori to harmonize the taste and supplement electrolytes and energy. The composition can be used to prepare an oral health-care beverage, has the effects of stopping sweating and promoting fluid production, supplementing qi and consolidating the exterior, and supplementing electrolytes, is suitable for scenes of excessive sweating, thirst and fatigue, has a good taste, is safe, and is simple to prepare.

The invention belongs to the technical field of chemical synthesis, and particularly relates to a selective controllable synthesis method of two alkyl arylamine compounds. The synthesis method comprises the following steps: S1, mixing nitro-aromatic hydrocarbon with aryl aldehyde / ketone or alkyl aldehyde / ketone, and then adding copper salt, nested carborane and an organic solvent to obtain a mixture; s2, irradiating the mixture with blue light at 25-80 DEG C under the protection of inert gas to obtain a product; s3, after the reaction is finished, separating and purifying a product to obtain an N-monoalkyl arylamine compound or an N-dialkyl arylamine compound; the feeding molar ratio of the nitro-aromatic hydrocarbon to the aryl aldehyde / ketone or alkyl aldehyde / ketone to the copper salt to the nested carborane is 10: (12-24): 1: 5; the molar concentration of the nitro-aromatic hydrocarbon in the organic solvent is 0.25 M.

The invention relates to the technical field of data transmission, and particularly provides a streaming Token double-path transmission method, system and device and a storage medium, and the method comprises the steps: responding to a streaming request, completing the initialization of a system and a session, building a bypass channel from a model to a client, and creating a session context in a control flow engine; identifying the type of each Token generated by the model, and shunting according to the type: data Token routing to a bypass channel and control Token routing to a control flow path processed by a control flow engine; data bypass transmission and control flow service processing are executed in parallel, and the states of the data bypass transmission and the control flow service processing are ensured to be consistent through a state synchronization mechanism; and the dual-path operation state is continuously monitored, and dynamic path adjustment or abnormity recovery is carried out when abnormity is detected. According to the method, the data flow and the control flow are decoupled, so that the transmission delay of the streaming Token is remarkably reduced while the state consistency is ensured.

The invention discloses a traditional Chinese medicine composition for treating delayed absorption of qi-yin deficiency and lung collateral obstruction type pneumonia, a preparation and application. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 10 to 15g of radix pseudostellariae, 10 to 15g of radix asparagi, 6 to 10g of cortex mori radicis, 6 to 10g of radix scutellariae, 6 to 10g of radix platycodonis, 6 to 10g of exocarpium citri grandis, 6 to 10g of bulbus fritillariae thunbergii, 10 to 15g of pericarpium trichosanthis, 10 to 15g of spica prunellae, 15 to 30g of raw oyster shell, 6 to 10g of earthworm, 10 to 15g of radix salviae miltiorrhizae, 6 to 10g of rhizoma curcumae and 6 to 10g of raw liquorice root. The traditional Chinese medicine composition is suitable for delayed absorption of pneumonia caused by deficiency of both qi and yin and obstruction of lung collaterals, and also can be used for treating deficiency-heat syndrome and deficiency-cold syndrome on the basis of the formula, so that the aim of treating due to symptoms is fulfilled. The prescription is used for treating both symptoms and root causes of patients with deficiency of both qi and yin, internal stagnation of phlegm and blood stasis and lung collateral obstruction in delayed absorption of pneumonia on the basis of the basic treatment principles of tonifying lung and yin, reducing phlegm and softening hard mass, and promoting blood circulation to remove meridian obstruction. Clinical research finds that the pharmaceutical composition can improve clinical symptoms of patients with delayed absorption of pneumonia and promote inflammatory absorption, and is relatively safe.

The utility model relates to the technical field of mobile phone shell button mounting mechanisms, in particular to an interior and exterior compatible position-adjustable mobile phone shell button mounting mechanism, which comprises a large mounting plate, a transplanting device is arranged on the upper surface of the large mounting plate, a fixing plate is connected to the transplanting device, and a finger cylinder is fixedly connected to one side, far away from the transplanting device, of the fixing plate. A lower clamp is fixedly connected to the output end of the lower side of the finger air cylinder. According to the utility model, the rotating device aligns the key adsorbed on the mounting convex block to the key mounting position on the mounting surface of the mobile phone shell according to the mounting requirement of internal mounting or external mounting of the key of the mobile phone shell, then the finger cylinder performs clamping action, the clamp convex block is close to the lower clamp, and the key is mounted on the corresponding key mounting position on the mobile phone shell; therefore, the mobile phone shell button mounting mechanism has the compatibility of internal mounting and external mounting, the compatibility is greatly improved, the input cost of mobile phone shell button mounting is reduced, and meanwhile, the mounting efficiency is greatly improved.

This invention discloses a visualized intelligent scheduling system for SMT production lines, relating to the field of precision electronics. It solves the problem of poor scheduling performance in existing intelligent scheduling systems for production lines. The system includes a data acquisition module: analyzing production demand for target orders to be executed, obtaining the quantity of products in the target order, performing historical production quantitative analysis on the production line executing the order based on the quantity of products in the target order, and acquiring production line scheduling data based on the analysis results; a production line matching module: matching production lines for target orders to be executed, obtaining target-suitable production lines; a production analysis module: monitoring the production of sample production units included in the target-suitable production line, obtaining the overall efficiency of the unit equipment based on the monitoring results, and obtaining production scheduling analysis data; and a production scheduling module: performing real-time production scheduling for the product production units on the target-suitable production line. This invention can improve the scheduling efficiency of intelligent scheduling systems for production lines.

The invention provides a traditional Chinese medicine formula for improving male horse fecundity, and relates to the technical field of additives. The traditional Chinese medicine formula for improving the reproductive capacity of the male horses specifically comprises the following components in parts by weight: 10-15 parts of cherry leaves; 5-7 parts of cherry tree roots; 10-20 parts of Chinese wolfberry fruits; 5-10 parts of beautiful millettia root; 5-10 parts of eucommia ulmoides; 15 to 30 parts of actinolite; 15 to 30 parts of actinolitum brevifolium; 10 to 15 parts of Angora bark; 6-10 parts of cynomorium songaricum powder; 11 to 16 parts of herba epimedii; 8-10 parts of honey; 5 to 6 parts of melatonin; 6-8 parts of organic zinc; comprising an additive, wherein the component amount of the carrier is 200-300 parts. By reasonably selecting traditional Chinese herbal medicines and adding byproducts, the semen quality and ejaculation amount of male horses can be remarkably improved, the breeding capacity is enhanced, the composition has the characteristics of wide source, diversified functions, no residue, no toxic or side effect and the like, meanwhile, the composition is precise and appropriate in compatibility and exerts a synergistic effect, and the efficacy activity is obviously superior to that of each single component.

The invention relates to the technical field of semiconductor thermocompression bonding, in particular to a chip and wafer coaxial alignment device, thermocompression bonding equipment and a method. In order to solve the problem of low alignment precision of a chip and a wafer in the prior art, the invention provides a novel coaxial alignment device for the chip and the wafer, which comprises a heat insulation shell hoisted on a three-axis moving platform, a first camera, a first lens group, a first light source, a first horizontal beam splitter, a second lens group, a second camera, a third lens group, a second light source, a second horizontal beam splitter, a fourth lens group and a vertical beam splitter are arranged in the heat insulation shell, and an upper window and a lower window are arranged on the heat insulation shell. The coaxial alignment device for the chip and the wafer is designed and arranged between the chip and the wafer, real-time collection of a chip image and a wafer image is completed through ingenious design of an upper light path and a lower light path, and high-precision coaxial alignment of the chip and the wafer is achieved.

The invention provides a case structure and an assembling method thereof, and the case structure comprises a frame plate which is provided with a second frame plate; the mainboard is provided with a water cooling system mounting position and a display card mounting position, and is provided with a first ventilation hole group and a second ventilation hole group; a first air inlet hole group and a second air inlet hole group are formed in the side plate; under the condition that the side plate is mounted on the frame plate, the first air inlet hole group correspondingly covers the first ventilation hole group, and the second air inlet hole group correspondingly covers the second ventilation hole group; a plurality of air outlet holes are formed in the second frame plate, air flow enters the case body from the first air inlet hole group, passes through the first ventilation hole group and then flows out of the case body through the air outlet holes, and a first heat dissipation air channel of the water cooling system is formed; and air flow enters the case body from the second air inlet hole group, passes through the second ventilation hole group and then flows out of the case body through the air outlet holes, so that a second heat dissipation air channel of the display card mounting position is formed.

The invention discloses a multi-source single-output green light beacon laser for space application, which is characterized in that a light source part comprises two butterfly-shaped packaging laser devices which are cold backups for each other, the butterfly-shaped packaging laser devices are solid laser devices packaged in butterfly-shaped shells, each butterfly-shaped packaging laser device comprises a semiconductor pumping chip, a shaping optical fiber, a laser crystal Nd: YVO4 and a frequency doubling crystal PPLN, and green light of 532nm is generated; in the filtering and beam combining light path part, 532nm green light emitted by each light source is respectively provided with a half-wave plate for adjusting the polarization direction, is combined into the same light path through a polarization splitting prism, is filtered by a light filter, enters a multimode optical fiber through an optical fiber collimator, and is divided into two paths through an optical fiber coupler; one path is used for monitoring the output power and health state of the laser in real time, and the other path is used as main beacon light. The problem of performance reduction caused by the overheating phenomenon of the light-emitting unit is effectively solved, high-power output can be kept for a long time, and meanwhile the overall light weight and flexibility of the laser are considered.

The utility model discloses a kind of precast concrete component's shipment fixed support, it is related to building engineering technical field.The utility model includes bottom plate, both sides of the bottom plate are fixedly installed with side frame, two The side frame is L-shaped, and the bottom inner wall of one side frame is fixedly installed with rack;Further include multiple groups of abutment support components, the abutment support component includes moving frame, abutment mechanism, support mechanism and drive mechanism, the moving frame is slidably connected with the top of bottom plate.In the utility model, the shipment fixed support is provided with multiple groups of adjustable support structure, which is driven by motor to continuously position different size components, and the position can be automatically locked by cooperating with worm gear structure;Support component can disperse load by mutual buckling, and the number of support can be adjusted as needed, meet the loading demand of component;Wheel traction frame can be conveniently completed traction movement, simple operation, substantially improve shipment efficiency and stability.

The invention relates to a high-power green laser synthesis system based on a rotary frequency doubling crystal and multiple beams of infrared pulse laser, and belongs to the technical field of laser. The system comprises a multi-beam pulse infrared laser device, a frequency doubling crystal module, an annular rotating mechanism, a beam combining device, a continuous infrared laser device, a laser frequency regulation and control device and a rotating driving control system. The four beams of pulse infrared laser sources are symmetrically arranged along the circumferential edge, and periodically staggered output is realized through frequency regulation and control; the multiple frequency doubling crystals are distributed along the rotating circular ring at equal intervals and are sequentially aligned with laser pulses under driving of the rotating mechanism, and efficient frequency doubling is achieved. The center continuous infrared laser generates stable green light through frequency doubling of the fixed crystal. Finally, the green light generated by the multiple frequency doubling crystals and the central green light are integrated into a single light beam through a beam combining device to be output. According to the system, the power upper limit and the stability of green laser are remarkably improved through energy sharing of polycrystals, rotary dynamic matching and annular cooling, and the problems that existing green laser is limited in power and serious in heat effect are solved.

The invention discloses a hydrogen and CO2 coupled blast furnace ironmaking method, and belongs to the technical field of ferrous metallurgy equipment and processes. The method comprises the following steps: carrying out component separation treatment on the blast furnace top gas, and respectively capturing CO2 gas and unreacted CO gas in the blast furnace top gas; a reverse water-gas shift reactor is arranged outside the blast furnace, and captured CO2 and external hydrogen are converted into CO-rich reducing gas; and mixing and tempering the generated CO-rich reducing gas and the separated CO gas, and cooperatively spraying into the blast furnace from a tuyere and / or a furnace body part of the blast furnace to participate in iron ore reduction reaction. According to the invention, the hydrogen-carbon conversion process with strong heat absorption is independently carried out outside the furnace, so that the combustion loss of coke is obviously inhibited from dynamic and chemical equilibrium, and double closed-loop circulation of carbon in the smelting system is realized. A multi-dimensional space differential injection mechanism is constructed, the comprehensive utilization rate of hydrogen is remarkably increased, and meanwhile the fuel ratio and the carbon dioxide emission of the blast furnace are reduced.

The utility model discloses a compatible tin-coated chip test seat, which comprises a frame-shaped test seat main body, a needle plate main body and a needle plate bottom plate, a pressure head is arranged above the needle plate main body, a pressure plate is arranged above the pressure head, flanges are arranged on two sides of the lower end of the pressure head, and first wave-shaped end surfaces are arranged on the upper end surfaces of the flanges; a pressurizing frame is arranged between the upper end face of the flange and the lower end face of the pressing plate. Second wavy end faces are arranged on the lower end faces of the two sides of the pressurizing frame. A kidney-shaped hole extending along the second wave-shaped end face is formed in the pressurizing frame, a first locking hole is formed in the flange, a second locking hole is formed in the pressing plate, the flange, the pressurizing frame and the pressing plate are locked and fixed through a bolt penetrating through the first locking hole, the kidney-shaped hole and the second locking hole, and a screw rod between a bolt cap of the bolt and the pressing plate is sleeved with a spring. The compatible tin-coated chip test socket is high in chip packaging compatibility and simple to assemble.

The application discloses an anti-fragmentation method for a portable flash memory device and relates to the technical field of computer storage systems and operating system kernels. The method comprises the following steps: S1, in the file system initialization stage, a hybrid granularity partition model is established, and a storage space is proportionally divided into a small cluster area and a large cluster area according to functional requirements; S2, an extended allocation bitmap management structure is constructed in the memory; S3, in response to a space allocation request, an allocation strategy is selected according to the data characteristics of the request; and S4, an allocation process in the large cluster area. According to the application, the cluster space of the flash memory device is divided into the small cluster area and the large cluster area, various requests are classified and processed based on prompt information when allocating the space, and a relaxed reuse mechanism is introduced, so that the fragmentation process of the storage space is significantly delayed, and the average bandwidth of multi-threaded writing and the space utilization are significantly improved without affecting compatibility and space utilization.

This invention discloses a pharmaceutical composition, its formulation, and its application for treating rheumatic arthralgia. The pharmaceutical composition comprises the following components in parts by weight: 20-40 parts of Salvia miltiorrhiza, 10-20 parts of Paeonia lactiflora, 20-40 parts of Panax notoginseng rootlets, 10-20 parts of Ligusticum chuanxiong, 9-20 parts of Angelica sinensis, 9-20 parts of Clematis chinensis, 9-20 parts of Angelica pubescens, 9-20 parts of Chaenomeles speciosa, 9-20 parts of Saposhnikovia divaricata, 9-20 parts of Achyranthes bidentata (processed with wine), and 9-20 parts of Carthamus tinctorius. Pharmaceutically acceptable excipients may be added to the pharmaceutical composition to prepare a formulation. The pharmaceutical composition and its formulation can be used to treat rheumatic arthralgia.

The invention provides a kidney-tonifying and capsule-eliminating preparation as well as a preparation method and application thereof, and relates to the technical field of medicines, and the kidney-tonifying and capsule-eliminating preparation is prepared from the following raw materials: semen cuscutae, radix rehmanniae preparata, raw radix astragali, leech, semen litchi and roasted rhizoma atractylodis macrocephalae. According to the invention, the leech and the lychee seed are compatible, and the leech is used as a monarch drug, has the functions of breaking blood and removing blood stasis, and directly attacks local blood stasis of an ovary; the lychee seeds are used as ministerial drugs, have the effects of promoting qi circulation and removing stasis, soothing liver-meridian stasis and eliminating phlegm-dampness condensation, supplement each other, treat qi and blood at the same time, and jointly achieve the effect of dredging Chong and Ren channels and uterus; if only the leeches break blood, blood stasis is dispersed but qi stagnation and phlegm coagulation are not removed, and pathological products are easy to regenerate; if only the lychee seeds are used for promoting qi circulation, the qi is circulated, deep blood stasis is difficult to eliminate, and symptoms do not move at all, and only monarch and ministerial materials are matched, so that the pathological barrier can be effectively broken, the polycystic ovarian syndrome can be treated, and normal ovulation and menstrual cycle of ovaries can be recovered.

The utility model provides a kind of frame and wire control chassis suitable for small sanitation car, the frame includes two longitudinal beams of mutually parallel arrangement, multiple mutually parallel cross beams are provided between two longitudinal beams, trapezoidal web is provided in the junction of longitudinal beam and cross beam, and the trapezoidal web is connected between longitudinal beam and / or cross beam by rivet;The cross section of longitudinal beam and the cross section of cross beam are all sheet metal bending and form integrated shape structure;Longitudinal beam and cross beam form multiple first frame structures connected with each other, second frame structure is provided in one first frame structure, and the second frame structure is connected with several front suspension plate spring mounting seat.The chassis has the advantages of large load and small wheelbase, and can efficiently adapt to various loading requirements.

The utility model relates to the technical field of photoelectric communication, in particular to a wide-working-interval TOSA (Transmitter Optical Sub-Assembly) assembly, which comprises a TO seat, a plurality of TOSs and a plurality of TOSs, the heat dissipation base is arranged in the center of the upper end of the TO seat; the laser chip is arranged at the upper part of the heat dissipation base; the backlight tube is arranged at the lower part of the heat dissipation base; the protective cover is arranged on the outer side of the heat dissipation base in a covering mode, and a lens is installed at the upper end of the protective cover; according to the utility model, the laser chip with special light emitting distribution direction and emission light intensity, the backlight detection tube with higher responsivity and the adjustment of element parameters are combined, so that the MPD current of the TOSA under the same light emitting intensity is larger, and the backlight current parameter improvement and convergence of the TOSA are realized, thereby enabling the TOSA to be matched with the driving chip, and improving the light emitting efficiency of the TOSA. Closed-loop stable work can be realized in a relatively large emission optical power range, so that one optical terminal product has compatibility of emission power requirements of multiple protocols at the same time.

This invention relates to the technical field of voltage-adjustable capacitors, and discloses a voltage-adjustable capacitor structure and its application based on an ionized double layer. The voltage-adjustable capacitor structure includes: a driving layer comprising an electrodeformable material and matching positive and negative electrodes, the electrodeformable material capable of out-of-plane deformation upon application of voltage; and an ionized capacitor layer comprising an ionically active material with surface microstructures, a pair of electrodes for reading capacitance values, and elastic washers controlling the initial spacing between the electrodes. The ionized capacitor layer is encapsulated with insulating layers on both the top and bottom. This invention utilizes the principle of an ionized double layer, applying voltage to the driving layer to generate out-of-plane deformation, transmitting uniform pressure to the flexible ionized capacitor layer. This causes dynamic changes in the contact area between the ionically active material with surface microstructures and the electronically conductive electrodes. Leveraging the high capacitance density of the double layer, a significant increase in capacitance value from 58 pF to 1200 pF is achieved, with an adjustment ratio exceeding that of existing technologies by 2-8 times.

The application discloses a hard disk batch firmware upgrading method and system based on MCTP over SMBus, and belongs to the technical field of computer hardware management. The method first carries out identity authentication by checking a firmware image and a hard disk to be upgraded, then broadcasts and transmits the image to data packets with unique identification, switches a unicast mode to query a state and establishes a global state table after sending a preset data unit, broadcast and retransmits missing data packets according to information in the table, and finally instructs the hard disk to verify the image in parallel and activates new firmware uniformly. The system comprises a BMC module, a plurality of hard disk devices and an SMBus network. The scheme combines the advantages of broadcasting and unicasting, improves the batch upgrading efficiency, guarantees the transmission integrity and upgrading reliability, strengthens the security and manageability, adapts to existing standard protocols and hardware interfaces, and is practical.

The application relates to a packaging level chip utilizing the Peltier effect and a preparation method thereof, and belongs to the technical field of chip packaging. The preparation method of the packaging level chip comprises the following steps: (1) feeding a substrate; (2) flip-chip and filling the space between the chip and the substrate; (3) drawing silver glue on the chip; (4) flip-chip of a semiconductor refrigeration piece; (5) filling the space between the semiconductor refrigeration piece and the substrate; and (6) sticking an indium piece and a packaging heat dissipation cover on the surface of the semiconductor refrigeration piece by means of glue. The application also provides a packaging level chip prepared by the above preparation method. By directly packaging the semiconductor refrigeration piece on the surface of the chip, the application omits the intermediate heat conduction components such as the indium piece and the heat dissipation cover in the traditional heat dissipation structure, effectively eliminates the contact thermal resistance and the conduction thermal resistance introduced by the components, realizes the direct thermal coupling of the semiconductor refrigeration piece and the chip, and greatly improves the cold energy transmission efficiency.

The present invention provides a method for sentiment classification of teaching evaluation short texts based on distributed approximate homomorphic encryption, which relates to the field of educational technology. The method uses distributed approximate homomorphic encryption to encrypt input teaching evaluation short text data; the encrypted short text data is input into an ALBERT‑Mixplus fusion model deployed in the cloud for feature extraction and sentiment classification; the sentiment classification result in the encrypted state is decrypted on the local user side, and the final classification result is output. Through the use of distributed approximate homomorphic encryption, the present invention enables data and models to complete the required computing tasks in an encrypted environment during the cloud sentiment classification task. The ALBERT‑Mixplus fusion model fully utilizes the lightweight feature extraction advantage of the ALBERT model, and combines the powerful feature extraction capabilities of BiGRU and MCNN, so that sentiment classification still has efficient performance in an encrypted environment, improving the accuracy and processing efficiency of sentiment classification.

The invention discloses a traditional Chinese medicine composition for treating glaucoma and a preparation method thereof, and relates to the technical field of traditional Chinese medicine preparations. The traditional Chinese medicine composition is prepared from the following components in parts by weight: 5 to 15 parts of fructus lycii, 2 to 10 parts of flos chrysanthemi, 5 to 15 parts of radix rehmanniae recen, 2 to 10 parts of fructus corni, 5 to 15 parts of rhizoma dioscoreae, 5 to 15 parts of poria cocos, 2 to 10 parts of cortex moutan, 2 to 10 parts of salted rhizoma alismatis, 2 to 10 parts of lucid ganoderma, 2 to 10 parts of fried fructus broussonetiae and 2 to 10 parts of rhizoma acori graminei. The traditional Chinese medicine composition has the effects of nourishing kidney and liver, nourishing yin and promoting salivation, clearing liver and improving vision, and promoting qi circulation and inducing diuresis, and is used for treating blurred vision, eye swelling and pain and uncomfortable eyes caused by glaucoma.

The application discloses a colorless unidirectional diffraction type solar concentrator and a preparation method and application thereof. The colorless unidirectional diffraction type solar concentrator comprises a transparent flat plate substrate, a light orientation layer and a multilayer cholesteric liquid crystal film are attached to the side of the transparent flat plate substrate in sequence, the multilayer cholesteric liquid crystal film comprises a plurality of cholesteric liquid crystal layers, and adjacent cholesteric liquid crystal layers have different pitches; and a coupling light solar photovoltaic cell is arranged on the side of the transparent flat plate substrate. The preparation method comprises the following steps: coating a photosensitive alignment layer on the transparent flat plate substrate and obtaining a sub-micron period light orientation layer through exposure; spin coating or dip coating a cholesteric liquid crystal mixture with different pitches on the surface of the light orientation layer or the cholesteric liquid crystal layer and solidifying to form a multilayer cholesteric liquid crystal film; and arranging a solar photovoltaic cell on the side of the transparent flat plate substrate. The application can realize high-efficiency energy collection of the solar concentrator, is compatible with existing glass, and realizes unidirectional coupling.