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40results about How to "Promotional value" patented technology

Emotion monitoring method for special people

InactiveCN102715902AImprove emotional stateAvoid mental deteriorationDiagnostic recording/measuringSensorsCrowdsOxygen
An emotion monitoring method for special people includes: acquiring neural physiological information, and acquiring electroencephalogram signal and brain blood oxygen signal; performing signal treatments including signal pretreatment, feature extraction and emotion recognition; determining intervention type, determining recognized emotions, and returning to a start phase to continue monitoring if a user is calm or positive emotionally, or proceeding a next phase if not; performing systematic intervention, namely determining the manner of systematic auxiliary emotion regulation and intervention or remote intervention according to different emotions; and storing data, drawing an emotion periodic table in a certain period, and recording and storing mood fluctuations of a user. By the aid of portable detection of electroencephalogram and brain blood oxygen signals, accurate emotion status is recognized, unhealthy emotions of users and the outside world can be helped and noticed timely, humane placation measures are taken, emotion statuses of the users can be improved, mental state deterioration can be avoided for the users, and nursing burden and physiological pressure of family members of a patient with emotional disorder can also be relieved.
Owner:TIANJIN UNIV

Semi-wild astragalus mongholicus sowing method

The invention relates to the field of crop sowing, in particular to a semi-wild astragalus mongholicus sowing method which solves the problems that existing stragalus mongholicus sowing adopts natural growth and reproduction mode, period is long, output is low and the like. Steps are adopted as follows. Step (1): seeds are selected. Step (2): grains of sand are mixed into the seeds and are filtered out after the seeds and the grains of sand are roughly processed on a rice removing mill for once. Step (3): a land is selected and managed by being deeply ploughed 3-45 centimeters from the ground surface, base fertilizer is applied, farmyard manure is applied 2000 kilograms per mu, and bio-organic fertilizer is applied 50 kilograms per mu. Step (4): seeds are planted in arid lands, and processed seeds are sowed in ditches in a directed mode; the arid lands are irrigated, pregermination are first carried out on the processed seeds through boiling water, when the seeds expand or husks of the seeds rupture, the seeds are sown while the lands are wet. Step (5): field management is carried out. The semi-wild astragalus mongholicus sowing method gives preference to wild Mongolia stragalus mongholicus seeds, germination rate and germination speed are improved by means of special processes; sowing are carried out in a targeted mode according to two cases of arid lands and irrigated lands, so that the germination rate is further improved, and output of the stragalus mongholicus is improved, uniform field management is adopted, and operability of implementation methods is high.
Owner:刘俊希

Metabolomics-based pancreatic cancer diagnosis marker as well as screening method and application thereof

The invention discloses a metabolomics-based pancreatic cancer diagnosis marker and a screening method thereof. The diagnosis marker comprises any one or a combination of more of 31 plasma metabolic markers. The invention also provides a method for constructing a diagnosis model by using the pancreatic cancer diagnosis marker and an application in a diagnosis kit. According to the method, non-target metabolomics analysis is carried out on the plasma of a patient through a high-efficiency liquid chromatography mass spectrometry technology, the difference metabolite between the pancreatic cancerpatient and the normal people is found through an artificial intelligence data analysis technology, and the diagnosis capability of the specific differential metabolite, namely the pancreatic cancerdiagnosis marker in the diagnosis of the pancreatic cancer is further verified through target metabolomics analysis and machine learning modeling.
Owner:北京博远精准医疗科技有限公司

Face convolutional neural network-based traditional Chinese medicine constitution recognition method

The invention discloses a face convolutional neural network-based traditional Chinese medicine constitution recognition method. The method includes the following steps that: S1, a computer acquires a face picture data set; S2, a convolutional neural network algorithm is adopted to carry out face feature extraction according to the collected face picture data set; and S3, a classification algorithm is adopted to process extracted facial features, wherein the classification algorithm can be a softmax classification algorithm or an SVM (support vector machine) classification algorithm, so that corresponding traditional Chinese medicine constitution types can be obtained. With the face convolutional neural network-based traditional Chinese medicine constitution recognition method of the invention adopted, the defects of traditional Chinese medicine constitution judgment can be eliminated. The method of the invention has the advantages of high accuracy, high recognition speed, stable performance and suitability for the face convolutional neural network.
Owner:SOUTH CHINA UNIV OF TECH

Radioprotective medicament

The invention relates to a radioprotective medicament, and particularly relates to a radioprotective medicament prepared by using traditional Chinese medicine as raw material herbs. The medicament is used to treat and prevent problems of reproductive system radiation hazard, and comprises the following herbs by mass: 90-150 parts of medlar, 90-150 parts of semen cuscutae, 40-70 parts of cistanche, 40-70 parts of raspberry, 25-40 parts of prepared rehmannia roots. The medicament of the invention can be prepared into any commonly used oral dosage form by routine traditional Chinese medicine preparation methods, such as pills, powder, tablets, capsules, oral liquid, etc. The medicament has the efficacy of tonifying kidney, replenishing essence, and tonifying qi, and has obvious effect on ionizing radiation resistance and spermatogenic cell protection.
Owner:SHANXI PROVINCE CHINESE MEDICINE RES INST

Wind power plant extended photovoltaic multi-objective optimization method by considering boost main transformer capacity

The invention discloses a wind power plant extended photovoltaic multi-objective optimization method by considering boost main transformer capacity, which improves an independent wind-solar meteorological model, considers the correlation between wind speed and solar radiation intensity changes, and converts meteorological data into power generation output data. A multi-objective optimization modelby taking the field area and the boost main transformer capacity as constraint conditions is constructed, and a multi-objective optimization model by taking the maximum boost main transformer utilization rate, the minimum power variable coefficient and the minimum clean energy waste rate as objective functions is constructed; and, long-term meteorological data of a researched area is obtained through simulation by taking hours as a time scale based on a Monte Carlo method, a Pareto optimal solution set is solved by adopting a multi-target particle swarm algorithm, and the influence of expansion of the boost main transformer capacity on a final scheme is considered.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Wind-solar hybrid power generation output data simulation method based on improved probability model

The invention discloses a wind-solar hybrid power generation output data simulation method based on an improved probability model. The method comprises: considering the correlation between the wind speed and solar radiation intensity changes of the same region, improving an independent wind-solar probability model, correcting an amplitude item of the wind speed probability model under the day-night scene, and correcting the wind speed data distribution probability under the rainy weather scene; using a Monte Carlo method for simulating by taking hours as a time scale to obtain long-term meteorological data of a researched region, and constructing a wind-solar complementary power generation system model to convert the meteorological data into output data.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1

Method for generating traditional Chinese medicine prescription based on deep learning

The invention discloses a method for generating a traditional Chinese medicine prescription based on deep learning. The method comprises the steps of segmenting the face image of a patient to images in three granularities: organ granularity, local area granularity and face granularity; dividing a dataset which is composed of a pixel matrix and a multi-label vector into a training dataset and a testing dataset; constructing a convolutional neural network model based on a three-granularity face; training the training dataset, performing training of iterating an adjusting parameter by multiple times for obtaining a neural network model with excellent performance; and inputting the pixel matrix of the testing dataset into the neural network model for generating the traditional Chinese medicineprescription. According to the method of the invention, prescription making experience of the traditional Chinese medicine can be learned from data; and the traditional Chinese medicine prescriptionwhich is required by the patient can be automatically generated according to the face image of the patient, thereby performing an auxiliary function on the inspection diagnosis operation of the traditional Chinese medicine, reducing repeated operations and performing quick and stable analysis on the face.
Owner:SOUTH CHINA UNIV OF TECH

Elastic rolling support roller device and guide method of assembled heavy single-acting oil cylinder plunger

ActiveCN105149907AEliminate concentricity errorsAssembly safetyMetal working apparatusMetallic materialsEngineering
The invention discloses an elastic rolling support roller device. The elastic rolling support roller device comprises a base, shaft frames, elastic support rollers and lead screws, wherein the base is a box structure symmetrical about center; the upper end surface of the box structure is concavely arched; support roller adjusting holes are symmetrically formed at the two sides of the upper end of the box structure; the center axle extension lines of the support roller adjusting holes are intersected at the inner side of the concavely arched shape; the shaft frames are arranged in the support roller adjusting holes, and are cylinders; the upper ends of the shaft frames are U-shaped grooves communicated from front to back, and the lower ends are hollow cylinders; the elastic support rollers are arranged in the U-shaped grooves, and consist of roller frames with metal materials and roller surfaces cast on the surfaces of the roller frames and with elasticity and nonmetal materials; the roller frames are hollow cylinders; support roller shafts are coaxially arranged at the hollow parts in the elastic support rollers; the two ends of the support roller shafts are respectively fixed on two side groove surfaces of the U-shaped grooves; and the lead screws are cylindrical, are arranged in the hollow parts of the cylinders at the lower ends of the shaft frames, and are fixed on the base.
Owner:CITIC HEAVY INDUSTRIES CO LTD

Environment-friendly high-weather-resistance high-hardness sand-in-sand stone-like paint and preparation process thereof

The invention relates to the technical field of wall paint, in particular to environment-friendly high-weather-resistance high-hardness sand-in-sand stone-like paint and a preparation process thereof.The environment-friendly high-weather-resistance high-hardness sand-in-sand stone-like paint comprises, by weight, 300-400 parts of hexacyclic stone, 120-160 parts of deionized water, 120-150 parts of a modified acrylic emulsion, 50-70 parts of a protective glue solution, 5-7.5 parts of a film-forming auxiliary agent, 10-20 parts of bamboo charcoal fiber, 0.1-1 part of a wetting agent, 5-10 partsof a dispersant, 0.1-1 part of a pH regulator, 0.5-1 part of leveling agent, 0.2-1 part of an antifoaming agent, 2-10 parts of a thickening agent, 0.1-0.2 part of an anti-freezing agent, 0.1-0.2 partof a preservative and 5-8 parts of a modified composite additive. According to the stone-like paint, the components are environmentally friendly; the hexacyclic stone is innovatively adopted as a filler, so the physical performance of an artistic paint film can be improved, and the paint film has the capacity of releasing negative ions and purifying air; and the stone-like paint has high weatherresistance and high hardness, is of practical significance and popularization value and can produce good economic benefits.
Owner:泉州市美尔奇装饰材料有限公司

Underwater concrete void hole repairing equipment

The invention relates to the technical field of river levee repairing equipment, in particular to underwater concrete void hole repairing equipment. The underwater concrete void hole repairing equipment comprises a vehicle body, a mechanical arm, a concrete ground pump, a water pump, an air pump, a sealing cover, a motor and a heating device. According to the underwater concrete void hole repairing equipment, river water is isolated from a hole through the sealing cover, the sealing performance of the sealing cover is improved through cooperation of a sealing air cushion and an elastic sealingcushion, river water is prevented from permeating during hole repairing, underwater holes can be effectively repaired, in addition, air bubble gaps existing in the repairing process are eliminated through pressurization of the air pump, so that cement and the holes have the good combination degree, the practical significance and popularization value are achieved, and it is expected that good economic benefits can be generated.
Owner:郭三华

Air-cooled swill treatment grease separation device

The invention relates to the technical field of kitchen waste treatment equipment, in particular to an air-cooled swill treatment grease separation device which comprises a separation tank, a stirring shaft, a driving device, scraping strips and a recovery tank, the stirring shaft is mounted on one side of the separation tank, a condensation plate is rotatably arranged at the tail end of the stirring shaft, and the driving device is connected with the stirring shaft; the stirring shaft and the condensation plate are both of a hollow structure, the stirring shaft is connected with external refrigeration equipment, the scraping strip is connected with the separation tank and located on the opposite side of the stirring shaft, the scraping strip is connected with the ultrasonic vibration device, and the recovery tank is connected with the separation tank and located on the same side as the scraping strip; skillful utilization of the characteristics of high saturability and high curing point of fatty acids in swill is adoped, a refrigeration equipment is creatively used for being matched with the condensation plate, so that grease in swill can be rapidly separated, the separated grease does not contain foreign matter such as food residues, additives do not need to be added in the separation process, the swill grease separation device has practical significance and popularization value, and it is expected that good economic benefits can be generated.
Owner:罗开平

Impact-resistant power generation wave-proof seawall

The invention relates to the technical field of seawalls, and particularly relates to an impact-resistant power generation wave-proof seawall. The impact-resistant power generation wave-proof seawallis formed by connecting a plurality of seawall bodies, wherein each seawall body further comprises a moving block, an impact power generation device, a sleeve, a baffle, a telescopic rod, a recovery cavity, a scouring power generation device and a flow guide pipe. According to the impact-resistant power generation wave-proof seawall, the impact energy of sea waves impacting the seawall can be buffered, and thus the impact resistance of the seawall is improved; and in addition, the impact-resistant power generation wave-proof seawall can further convert the impact capacity of the sea waves intoelectric energy besides generating power through the energy of sea wave falling, has practical significance and popularization value, and is expected to generate good economic benefits.
Owner:周珍梅

Wall-mounted flowerpot

The invention relates to a flowerpot technique, in particular to a wall-mounted flowerpot. The flowerpot includes a square frame main body, the four surfaces of the frame main body are integrated as awhole part and combined with the bottom of the frame main body, a clapboard is transversely arranged in the frame main body, and the bottom of the clapboard is not completely in contact with the bottom of the frame main body; a watering port is formed in the upper portion of the frame main body, and a flow channel of the watering port leads to the bottom of the frame main body. The wall-mounted flowerpot also includes a flowerpot module placed in the frame main body, the flowerpot module is generally square, the upper portion of the flowerpot module is a cellulosic cover, an X-shaped notch isformed in the cover to form four triangular holding pieces which can be opened outwards from the middle, and a plant can grow out from the gaps among the triangular holding pieces. The provided flowerpot is simple and attractive in structure, planting soil is not likely to slide off, and therefore the flowerpot is particularly suitable for an indoor environment; the proportion of a planting areais high, the flatness is high, the ornamental value is high, it is better to splice multiple wall-mounted flowerpots to achieve a large-scale greening effect, and the wall-mounted flowerpot is more suitable for a modern decoration matching mode and has market competitiveness and popularization value.
Owner:黄晓峰

Asynchronous motor winding with five-phase power sources

ActiveCN107579616ASubharmonic cancellationAttenuate the harmonic orderAsynchronous induction motorsWindings conductor shape/form/constructionElectric machineHarmonic
The invention discloses an asynchronous motor winding with five-phase power sources, and belongs to the technical field of motors. The asynchronous motor winding is characterized in that the asynchronous motor winding is provided with 40 stator slots and 40 poles, is a single-layer winding and is totally provided with 10 branch circuits A1, A2, B1, B2, C1, C2, D1, D2, E1 and E2 as seen from the inside of a motor, each branch circuit comprises two coils, and each coil has integral pitch; one end of the branch circuit A1, one end of the branch circuit B1, one end of the branch circuit C1, one end of the branch circuit D1 and one end of the branch circuit E1 are connected with one another to form a common point O and are not led out; the other end of the branch circuit A1, the other end of the branch circuit B1, the other end of the branch circuit C1, the other end of the branch circuit D1 and the other end of the branch circuit E1 are outwardly led out, are denoted as A, B, C, D and E and have mutual difference of 72 electric degrees. The asynchronous motor winding has the advantages that the asynchronous motor winding is a twenty-phase system as seen from the inside of the motor andis a five-phase system as seen fro the outside of the motor, harmonic components can be reduced to a great extent by the asynchronous motor winding with the connection, accordingly, noise can be lowered, vibration, stray loss and harmonic torque can be reduced, and effective materials can be saved; the asynchronous motor winding has practical engineering application significance, tertiary harmonic currents can be injected into the motor while the motor is filled with fundamental currents, the ferromagnetism saturation of the motor can be reduced after the tertiary harmonic currents are injected into the motor, and the ferromagnetic material utilization rate and the torque density of the motor can be increased.
Owner:HARBIN UNIV OF SCI & TECH

Zero-tillage planting method for potato

The invention relates to the field of potato planting, in particular to a zero-tillage planting method for potato, and solves the problem that in the prior art, the traditional potato planting method is complex in procedure, and costly in time and labor. The method comprises the steps of selecting varieties, treating potato seeds, using disinfectant to soak the seeds before sowing the seeds, slicing, germinating, sowing the seeds when sprouts grow to 1cm, uniformly blending the sliced potato with plant ash, sowing the seeds every other day, preparing lands and transplanting, digging high-yield ditches, sowing the seeds in proper time, making the potato sprouts approach the soil surface in an inclined angle, placing the potato sprouts on a field, fertilizing, during the seeds sowing, applying fertilizer once adequately, wherein, the fertilizer is either compound fertilizer or animal manure; covering falling leaves, after seed sowing, covering the whole planting surface uniformly with prepared falling leaves after fertilizing, and harvesting in proper time. The zero-tillage planting method for potato changes the tillage planting to zero-tillage planting, changes deep planting to land laying, and changes potato digging to potato picking. Compared with the prior art, the yield increases by 20-30%. 15-20 working hours of labor cost are saved per mu. The yield increasing effect is substantial, and the land utilization rate and economic benefits are greatly enhanced.
Owner:重庆天地秀色农业技术开发有限公司

Spacecraft angular momentum control method and system based on Hall electric propulsion self-generated torque

A spacecraft angular momentum control method based on self-generated torque of a Hall thruster comprises the following steps that (1) obtaining the thrust pointing angle of each thruster according toconfiguration and layout positions of the thrusters of a Hall propulsion system on a spacecraft; (2) determining the torque generated when each thruster works; (3) determining the positive and negative directions of the exciting current of the thruster according to the relationship between the exciting current direction and the torque direction; (4) according to the torque vector direction of eachthruster, establishing a corresponding relational expression of the exciting current direction of each thruster to torque components generated by three axes of the spacecraft; (5) obtaining a three-axis angular momentum control demand of the spacecraft, and determining a torque in a target direction; and (6) according to the task strategy of on-orbit work of the Hall electric propulsion system, by calling the exciting current direction enabling the thruster to generate the target torque direction during work, subjecting torque generated by the thruster on the three axes of the satellite to superposition or offset control so as to generate torque in the target direction.
Owner:CHINA ACADEMY OF SPACE TECHNOLOGY

Multi-caliber adaptive steel pipe conveying equipment

The invention relates to the technical field of pipeline transportation equipment, in particular to multi-caliber adaptive steel pipe conveying equipment. The multi-caliber adaptive steel pipe conveying equipment comprises a base, a supporting plate and a plurality of connecting chains. The multi-caliber adaptive steel pipe conveying equipment can be suitable for steel pipes with different pipe diameters and can also be suitable for special-shaped steel pipes with different cross section types, and is extremely wide in application range, the time for adjusting the conveying equipment by an operator can be saved, the working efficiency is improved, the practical significance and popularization value are achieved, and good economic benefits can be expected to be generated.
Owner:郭玲玲

Production method of carbide slag cement

The invention provides a production method of carbide slag cement, and belongs to the technical field of cement production, and the production method comprises the following steps: taking sandstone, iron ore and slag for burdening, feeding into a roller press for grinding, mixing the obtained discharged material with fly ash, and sorting to obtain an auxiliary material finished product; mixing the carbide slag and the auxiliary material finished product, and homogenizing in a raw material homogenizing silo; sequentially preheating and pre-decomposing the homogenized raw material, feeding into a rotary kiln for calcining to obtain clinker, feeding the clinker into a grate cooler for cooling, and feeding into a clinker warehouse for storage for later use; the clinker, the desulfurized gypsum, the slag and the fly ash are mixed and then fed into a combined grinding system to be ground, and a cement finished product is obtained. The method is used for solving the problems of consumption of a large amount of native natural resources in cement production, treatment of carbide slag and other solid wastes and pollution; according to the method, calcium carbide slag is used for replacing limestone to produce cement, the quality of a cement finished product is stable, the consumption of native resources is remarkably reduced, industrial solid waste is recycled, and the production cost is reduced.
Owner:宁夏金昱元资源循环有限公司

Adapted handhold pesticide spraying device

InactiveCN111642487ASimplify the process of prescribing medicationSolve the problem of inconvenient applicationInsect catchers and killersAgricultural scienceTree trunk
The invention relates to the technical field of agricultural machinery, in particular to an adapted handhold pesticide spraying device. According to the adapted handhold pesticide spraying device disclosed by the invention, a liquid outlet rod can be applied to the surfaces of trunks of different diameters through the haulage of a haulage rope, so that the flow of applying pesticides on trunks byoperating staff can be simplified, liquid pesticides can be sufficiently applied on the trunks without enabling the handhold pesticide spraying device to surround the trunks; the adapted handhold pesticide spraying device has practical significance and popularization value, and favorable expectation economic benefits can be produced. The adapted handhold pesticide spraying device comprises a grabbing handle, a connecting pipe, a handle, a flow limiting device, the liquid outlet rod and the haulage rope, wherein a connecting part is arranged at the tail end of the grabbing handle; the connecting pipe is arranged at the top end of the grabbing handle; the handle is hinged to the grabbing handle; a moving end is movably connected to the tail end of the handle; the flow limiting device is arranged on the grabbing handle; the liquid outlet rod is arranged at the top end of the connecting pipe, and is formed by the hinging of plural liquid outlet pipes which are sequentially connected in a head and tail manner on the same side; and one end of the haulage rope is connected with the top end of the liquid outlet rod, and the other end of the haulage rope is connected with the moving end.
Owner:张雪蓉

Electric hair washing device

The invention relates to the field of living goods, in particular to an electric hair washing device. The problem that sickbed patients and old people have difficulty in washing hair is solved. The device comprises a hair washing basin capable of containing the head of a user, a neck supporting groove is formed in the edge of the hair washing basin, a headrest opposite to the neck supporting groove is arranged in the hair washing basin, the hair washing basin is provided with a washing faucet, a drain outlet is formed in the bottom of the hair washing basin, a bracket is installed on the innerside of the hair washing basin, a spray head connected with a water spray pipe is fixed to the bracket, and a rotational kneading and massaging hair washing device which is driven by the motor is movably inlaid in the spray head. Accordingly, on the basis of an original hair washing basin, the bracket and the rotational kneading and massaging hair washing device are additionally arranged, the function of the traditional hair washing basin is enriched, the double effects of automatic hair washing and massaging are achieved, when the old people and the sickbed patients use the device, the old people and the sickbed patients feel comfortable and more important, the labor intensity of nurses is greatly lowered, and the device has a certain popularization value and a use value.
Owner:上海谷律信息科技有限公司

Breeding method of hybrid plums with high anthocyanin content

The invention discloses a breeding method of hybrid plums with high anthocyanin content, and belongs to the technical field of planting. The method comprises the following steps: 1) selecting Burgundy plums as female parents, selecting self-pollination cherries as male parents, and then carrying out mixed pollination; 2) obtaining cultivated seeds from the female parents, and refrigerating for later use; 3) performing germination accelerating and seedling raising treatment on the seeds; and 4) grafting twigs of the cultivated seedlings, then selecting survived grafted plants, and finally, performing planting comparison to obtain hybrid plum plants with high anthocyanin content. According to the breeding method of the hybrid plums with the high anthocyanin content, through quality breeding, hybrid predominance breeding, super-parent breeding and distant hybridization breeding, crimson cherries and crimson plums are hybridized, and the advantages of the plums and the cherries are combined, so that a new variety with high anthocyanin content and better sweetness and fragrance is cultivated.
Owner:禄劝普林生物科技有限责任公司

Train berth ticket changing system based on automatic identification technology

The invention discloses a train berth ticket changing system based on an automatic identification technology. The system comprises hand-hold scanning equipment, a train ticket, a berth label, an indicator prompt, a display terminal and a voice prompt. The hand-hold scanning equipment receives information sent by the train ticket and the berth label through radio frequency communication. The train ticket and the berth label are mutually bound. The display terminal comprises an indicator lamp prompt function and a voice prompt function. The system changes manual train berth ticket changing in the conventional sense, improves work efficiency, reduces error frequency, can record ticket changing information during the whole process, and has certain application value and popularization value.
Owner:四川芯海联云科技有限公司

Modified dust-collecting powder, as well as preparation method and application thereof

The invention discloses a method for preparing modified dust-collecting powder. According to the preparation method, the modified dust-collecting powder is prepared by performing surface chemical coupling and neutral modifying treatment on dust-collecting powder raw materials with a chemical modifier consisting of coupler, neutralizer and the like; one or more organic groups with saturated or unsaturated structure is chemically bonded to the particle surface, the hydrophobicity of the particle surface is improved (activation index is more than 0.95), the binding force between modified dust-collecting powder particles and rubber matrix can be reinforced, and the strong basicity (pH is 10) of the dust-collecting powder is neutralized, so that the dust-collecting powder is neutral dust-collecting powder having pH of 7-8. The method has the advantages of energy conservation, environmental friendliness, high utilization degree (more than 90 percent) of dust-collecting powder, wide particlefineness selection range (more than 400-3000 meshes, or 37-4 microns or lower) of raw material dust-collecting powder, small coupler usage (1-2 percent), uniform distribution and the like; and the modified dust-collecting powder has good compatibility with rubber matrix, can completely replace calcium carbonate and partially replace talc powder or carbon black in rubber product filling, and is a resource regenerable material with low cost and good quality.
Owner:EAST CHINA NORMAL UNIV

Intelligent airbag engine hood for protecting pedestrians and working method thereof

The invention relates to the technical field of automobile passive safety protection, in particular to an intelligent airbag engine hood for protecting pedestrians and a working method thereof.The intelligent airbag engine hood is sequentially composed of a supporting layer, a sensing layer, an airbag layer and a protective layer. A middle airbag can be wound around or grabbed by a hit person to effectively prevent the hit person from flying out to be injured; if the middle airbag is not wound around or grabbed by a hit person, the engine hood sensing layer monitors the position of the hit person in real time, and it can be guaranteed that when a pedestrian suffers collision by a vehicle, through contact between the hit person and the airbag and movement of the vehicle, inertia energy of impact borne by the hit person is reduced, so that impact force on the ground caused by final falling of the vehicle is reduced, the used technology is mature and reliable, and the engine hood is suitable for large-scale application and popularization, has practical significance and popularization value and is expected to generate good economic benefits.
Owner:XIAMEN UNIV OF TECH

Preparation method of 1,2-dichloro-4-nitrobenzene

The invention discloses a preparation method of 1,2-dichloro-4-nitrobenzene. The preparation method comprises the following steps: adding p-nitrochlorobenzene into a sulfuric acid solution with a massfraction of 65%, carrying out stirring for dissolving of the p-nitrochlorobenzene, conducting heating to 55 DEG C, then adding potassium chlorate, carrying out a stirring and heat-preserved reactionfor 8 h, performing cooling with ice water after the reaction is completed, extracting a reaction solution with a carbon tetrachloride solution, conducting liquid separation, subjecting an organic phase to washing by an aqueous sulphurous acid solution with a mass fraction of 6%, an aqueous sodium hydroxide solution with a mass fraction of 12% and water in sequence, carrying out drying, evaporating an organic solution to dryness, and performing recrystallizing to obtain a yellow acicular crystal, namely the product 1,2-dichloro-4-nitrobenzene. The preparation method is simple in synthesis process, improved in product yield and mild in reaction conditions, and has practical application and promotion values.
Owner:陶丽琼

Transition tank

The invention relates to a transition tank which comprises a tank body, an air inlet, an air outlet and a liquid outlet, the gas inlet and the gas outlet are formed in the top end of the tank body, the liquid outlet is formed in the bottom end of the tank body, an air inlet channel is formed in the tank body, the upper end of the air inlet channel is hermetically connected with the air inlet, theinner cavity of the lower half part of the air inlet channel is provided with a condensation pipe, a filter screen is arranged outside the air inlet channel in a sleeved mode, a backflow cover plate is arranged below the air inlet channel, a liquid level sensor is arranged on the bottom surface of the inner cavity of the tank body, the two-phase separation of gas and liquid two phases in a gas isrealized by arranging the condensation pipe and the filter screen structure, and the separation degree is high, so that the purity of a separated and filtered gas phase is extremely high.
Owner:NINGBO BEILUN LEIAO AUTOMATION EQUIP

Traditional Chinese medicine composition for treating appendicitis

The invention discloses a traditional Chinese medicine composition for treating appendicitis. The traditional Chinese medicine composition is prepared from the following raw materials: rheum officinale, cortex moutan, radix aucklandiae, poria cocos, radix paeoniae rubra, wax gourd seeds, liquorice roots, honeysuckle flowers, fructus forsythiae, corydalis bungeana, dandelion, Fructus arctii, peachkernels and mirabilite. The traditional Chinese medicine composition disclosed by the invention is used for treating appendicitis, takes effect quickly, is low in cost, does not need an operation no matter which period the appendicitis develops, has a clinical cure rate of 90%, avoids relapse after healing, and has clinical application and popularization values.
Owner:崔建

Anti-fogging device for laparoscopic lens

The invention discloses an anti-fogging device for a laparoscope lens, and relates to the technical field of laparoscopes. The anti-fogging device comprises a laparoscope shell, and a laparoscope jacket is arranged on an outer wall of the laparoscope shell; a laparoscope grip fixedly mounted at a front end of the laparoscope shell, and the laparoscope shell is matched with the laparoscope grip; a mounting shell fixedly arranged above a endoscope mounting block, and a mounting cavity is formed in the mounting shell; and a fixing block fixedly installed on an inner wall of the laparoscope shell, and one side of the fixing block is connected with a guide rod. The anti-fogging device is provided with a temperature warning device which can receive a temperature detected by an infrared temperature sensor, and when the temperature is too high, an arranged loudspeaker gives out a warning sound to remind a doctor, so that operation of the doctor is facilitated, and the temperature of a front end of the laparoscope is prevented from being too high.
Owner:FOSHAN CHANCHENG CENT HOSPITAL CO LTD
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