1354 results about "Odor" patented technology

The invention relates to the technical field of flavor customization recommendation, in particular to a flavor and flavor customization formula recommendation system and method. The method comprises the following steps: obtaining user sensory preference data and environment scene parameters, and carrying out multi-dimensional demand feature extraction to obtain a user scent demand feature set; performing raw material compatibility analysis based on the user flavor type demand feature set, and generating a basic raw material screening data set; according to the basic raw material screening data set, volatile component detection and odor molecular map construction are carried out on essence and perfume raw materials, and raw material odor molecular characteristic values are extracted; performing note synergistic effect simulation based on the odor molecule characteristic values to generate note synergistic optimization parameters; and constructing a dynamic formula model in combination with the user aroma type demand feature set and the aroma collaborative optimization parameters. According to the invention, through personalized demand analysis, scientific raw material screening, smell synergistic effect simulation and intelligent simulation feedback, the precision and personalized degree of essence and perfume customized formula recommendation are improved.

The invention relates to the technical field of intelligent health, and discloses an intelligent health middle-aged and elderly people behavior data real-time monitoring and analysis method and system, and the method comprises the steps: collecting a biological resonance signal, a gas spectrum and a sound wave signal of middle-aged and elderly people; constructing a resonance characteristic spectrum of the middle-aged and elderly people, and analyzing physiological feedback characteristics of the middle-aged and elderly people by using the resonance characteristic spectrum; constructing an odor-behavior association map of the middle-aged and elderly people, and identifying gas feedback characteristics of the middle-aged and elderly people by using the odor-behavior association map; performing frequency domain decomposition on the sound wave signal to obtain an infrasonic frequency band and an ultrasonic frequency band, identifying internal organ vibration characteristics and body surface action characteristics of the middle-aged and elderly people, and analyzing voiceprint feedback characteristics of the middle-aged and elderly people; the physiological feedback features, the gas feedback features and the voiceprint feedback features are used for conducting behavior analysis on the middle-aged and elderly people, and a behavior monitoring report is obtained. The method can improve the reliability of behavior abnormality analysis of the elderly in smart health.

The invention discloses a nanopore sensor based on insect olfactory receptor protein as well as a construction method and application thereof, and belongs to the field of biosensors. According to the invention, the insect olfactory receptor protein is used as a sensitive element to be integrated into a nanopore measurement system, so that the nanopore sensor is obtained. By measuring a nanopore current signal, the prepared sensor is applied to detection of target odorant molecules. According to the method, the recognition capability of the insect olfactory receptor protein on odorant molecules and the single molecule level detection capability of the nanopores are utilized, expensive large experimental instruments and complex experimental operation steps are not needed, and sensitive, rapid and direct detection on odorant substances can be realized.

The invention discloses medical soap for sterilizing, relieving itching and removing acne and a manufacturing method thereof, belonging to the field of articles of everyday use. The medical soap is prepared from ingredient A, ingredient B and ingredient C, wherein the ingredient A is prepared from dandelions, folium isatidis, rabdosia rubescens and glabrous sarcandra herb; the ingredient B is prepared from radix angelicae, rhizoma typhonii, white poria, Chinese angelia root tai, radix pseudostellariae, raw milkvetch root, Chinese honeylocust fruit, red paeony root, prepared kusnezoff monkshood root, radices lithospermi, cortex dictamni, thunberg fritillary bulb, fiveleaf akebia fruit, white muscardine silkworms and solanum lyratum; the ingredient C is prepared from soap base, honey and bovine bone marrow oil. The medical soap disclosed by the invention is used for external washing or smearing after being wet by adding water in the morning and evening every day; after a person with smelly feet washes the feet, the medical soap is smeared in gaps between toes; and the medical soap is not suitable for use when the skin is damaged. The medical soap prepared by the invention is a black brown solid body, and has soap medicine odor; the medical soap can be used for nourishing the skin, is antiallergic, beautifies the features, removes acne, relieves itching, removes freckles, clearing heat and deterring sweat; the medical soap can beautify the features, whiten the skin, and remove the acne and the freckles when used for washing the face, and can deter the sweat, remove the smelly odor and treat dermatophytosis when used for washing the feet; and the medical soap has a control effect on the itching toxin which appears after mosquito bite, and has a moisturizing effect for the person having the dry skin.

A microminiature insect smell induction and smell selection behavior observation device is characterized in that a smell induction device comprises a feeding chamber (1) and connecting pipes connected to the two ends of the feeding chamber (1), and the outer sides of the connecting pipes are connected with a smell storage chamber; air holes (15) are formed in the top of the feeding room (1), and a solution delivery device is arranged on the front; each connecting pipe is composed of a high-density sponge hollow sealing plug and a plastic sleeve with one end open and the other end provided with a breathable gauze element. The smell storage chamber is composed of a smell storage chamber body and a closed silica gel plug or a hollow silica gel plug, the two ends of the smell storage chamber body are open, and a breathable gauze is arranged in the center in the smell storage chamber body to prevent the trichogramma ovipositor from touching smell substances. The device is simple in structure, is suitable for smell research of trichogramma, has the advantages of high efficiency and labor saving, and can obviously improve the experiment efficiency.

The invention belongs to the technical field of smart park management, and discloses an Internet of Things data fusion method for comprehensive management of a city-level smart park. The method comprises the following steps: constructing an odor spatial distribution model corresponding to each park, and carrying out chemical component analysis to obtain park odor characteristics of each park; comparing the park odor characteristics with a predefined normal odor baseline, and dynamically identifying abnormal odor characteristics corresponding to each park; determining a potential risk event corresponding to each park based on the abnormal odor characteristics; based on the odor spatial distribution model and the abnormal odor characteristics, reversely positioning the position of an abnormal source, and generating an odor source positioning map corresponding to each park; according to the potential risk event and the smell source positioning map, a targeted emergency response strategy is automatically generated and executed; according to the invention, a closed-loop management system from monitoring and early warning to emergency response can be formed, and the environmental risk prevention and control capability and the emergency response speed of the park are improved.

The invention relates to the field of smart home, and particularly provides an air purification device, method and equipment, a storage medium and a product. The device comprises a position detection module, an animal attraction module and an air purification module; the position detection module is used for detecting the real-time position of the target animal; the animal attraction module is used for sending attraction information interested by a target animal, and the attraction information comprises at least one of sound information, light information and smell information; and the air purification module is used for purifying surrounding air according to the real-time position and the attraction information. By means of the device, the effect of improving the efficiency of the air purification process can be achieved.

The invention discloses an intelligent management system and method for a food detection sample, and relates to the technical field of food management, and the method achieves the real-time collection and dynamic perception of multi-source smell diffusion data such as smell diffusion data through setting a plurality of data collection points in a target area of a food detection storage environment. And after the sample management center platform receives the data transmitted by each data acquisition point, high-precision alignment and dimensionless integration of the data are realized through preprocessing. The processing flow effectively eliminates the influence of sensing error, time drift and unit dimension difference, and ensures the comparability and consistency of smell data between samples. Therefore, compared with a traditional monitoring mode only depending on a single-point gas sensor, the storage smell dynamic monitoring system has the advantages that the'smell basic data set 'of the sample can be constructed in a software algorithm mode, and the storage smell dynamic monitoring system with low hardware dependence, uniform data standard and higher calculation precision is realized.

A comfort system (100) for a vehicle (10) or a vehicle seat (12) that includes a pneumatic device (102) having one or more air cells (104); a scent diffusing device (106) having one or more aroma devices (108); and a fluid pump (110) and / or valve device (112) controlled to actuate the one or more air cells (104) and the one or more aroma devices (108) to provide a massage, lumbar, and / or aroma therapy to an occupant of the vehicle (10) and / or the vehicle seat (12).

The invention discloses a key feature in-situ recognition method for electronic nose smell recognition, which comprises the following steps of: acquiring a complex smell data sample for in-situ recognition, and ensuring high precision and high resolution of smell information through a multi-level and multi-dimensional data processing algorithm-multi-dimensional layered mapping technology; the in-situ identification is more accurate and rapid; a dynamic smell information extraction self-adaptive updating mechanism is adopted, specifically, deep microscopic characteristic extraction is carried out on a smell sample, comprehensive overall characteristic construction is carried out to represent smell information, and a smell recognition model is adjusted and optimized in a self-adaptive mode; visual representation based on smell evolution information is adopted; and an intelligent in-situ identification system of the electronic nose system from an information end to a decision end is established. According to the method disclosed by the invention, the key smell characteristics can be quickly identified and positioned in the in-situ identification process by constructing an efficient smell information visualization method, so that the high efficiency and accuracy of classification are ensured.

The invention discloses a fragrance descriptor quantification method, system and device based on artificial intelligence large model multi-agent collaboration and a medium, and the method comprises the steps: converting a demand of a target customer, and obtaining a demand description corresponding to the demand; obtaining a first compound combination corresponding to the demand description based on a chemical mapping relationship in a preset knowledge graph; based on reinforcement learning, optimizing the component proportion of the first compound to obtain an optimized second compound combination; optimizing the second compound combination again to obtain a third compound combination; optimizing the third compound combination according to a taboo index and a non-additive limit index to obtain a fourth compound combination; and taking the fourth compound combination as a target compound combination of the target customer, and controlling the associated equipment to output the target compound combination. The invention belongs to the field of chemical odors. The present invention can generate a compound recipe based on the descriptors.

Described herein is a small and lightweight terminal tackle product with upper and lower sections slidably connectable to one another. Each of the upper and lower sections is provided with a scent chamber open on one end to provide for the introduction of scent attractant material. The upper and lower sections are provided with male and female connection features to hold them together while the product is submerged during use and allow them to be conveniently disconnected to refill with scent attractant material without significant disruption. The present invention features apertures for threading fishing line and for releasing the scent attractant material into the ambient underwater environment when in use.

The invention belongs to the technical field of gas detection and mode recognition, and particularly provides a smell classification electronic nose system based on a multi-sensor array and mode recognition, which is used for solving the problems of poor generalization and low classification precision of a traditional gas sensor on complex smells. The method comprises the following steps that (1) an embedded electronic nose system platform is built, data of five smells of mint sugar, coffee, chrysanthemum tea leaves, orange peel and apples are collected, and the platform comprises (1) a Raspberry Pi 4B main controller used for running of a main program; (2) four BME680 sensor arrays used for collecting multiple non-specific responses of the gas to be detected; (3) the speed-adjustable gas circuit module is used for driving a micro diaphragm gas pump through PWM (Pulse-Width Modulation), and the extraction rate of 0-0.8 L / min can be realized; (2) carrying out a data sampling experiment, and constructing a multi-scene data set; (3) establishment of a pattern recognition model: (1) data processing: performing data enhancement on originally acquired data, fitting a response curve through a nonlinear least square method, extracting characteristics such as slope, curvature and the like, and expanding characteristic dimensions of the original data; (2) carrying out principal component analysis on dimension-reduced data; and (3) model training: establishing a classifier model through various machine learning algorithms to obtain an optimal model. And the accuracy rate can reach 81.7%.

The invention belongs to the technical field of bioengineering, and particularly relates to an application of EcorOBP7 in combination with odor information molecules, and the nucleotide sequence of the EcorOBP7 is as shown in SEQ ID NO.1; the odor information molecules comprise at least one of (E)-beta-farnesene, (E)-beta-myrcene, 3-methylbutyraldehyde, (Z)-beta-ocimene, linalool and cis-acetamino acetate. The odor information molecules are used for detecting the odor of the odor information molecules, and the odor information molecules comprise at least one of (E)-beta-farnesene and (E)-beta-myrcene. The invention finds that EcorOBP7 is a broad-spectrum binding protein, can interact with various information molecules, and can be strongly bound with substances such as (E)-beta-farnesene and cis-acetamido acetate, so that EcorOBP7 can sense odor molecules in the environment through EcorOBP7 highly expressed on antennas of EcorOBP7. Female insects can find proper hosts and spawning sites by distinguishing volatile substances of plants, male insects can find the female insects for mating through perceptual pheromones, and it is indicated that the protein can adjust the foraging and spawning behaviors of eutrophus maculans.

The utility model relates to a sponge odor removing system, which solves the problems that a natural ventilation odor removing method in the prior art occupies a large amount of warehouse space, is not favorable for controlling sponge production and processing cost, is poor in odor removing effect and the like, and adopts the technical scheme that the sponge odor removing system comprises a transmission mechanism, the sponge cleaning device is characterized by further comprising a washing mechanism and an air drying mechanism which are matched with the conveying mechanism, the conveying mechanism is used for conveying sponge, the washing mechanism is used for cleaning the sponge to remove odor, and the air drying mechanism is used for drying the sponge. The device has the advantages that water washing and air drying can be carried out through the water washing mechanism and the air drying mechanism to achieve rapid odor removal, the odor removal effect is good, adverse effects caused by long-time storage of a large number of sponges in a warehouse can be avoided, the sponge delivery efficiency can be greatly improved, the occupied space of the sponge storage warehouse can be reduced, and the warehouse space utilization rate is increased; the cost of the sponge is reduced, so that the market competitiveness of related products of the sponge is improved.

This invention relates to an advanced method for detecting and analyzing scent profiles using an intelligent gas sensor array system. The method involves acquiring an initial data set from a sensor array exposed to a gas mixture, followed by performing a coarse analysis to determine a superset of scent profiles, which includes various subset scent profiles within the gas mixture. Based on this preliminary analysis, a set of refinement parameters is established, leading to the adjustment of operational parameters of the sensor array. These parameters include sampling rate, duration of sensing, sensor selection, heating profile, and energy feed to selected sensors, which are tailored to enhance the specificity and accuracy of the subsequent analysis. The method further includes acquiring an expanded data set under these optimized conditions, allowing for a refined analysis of the gas mixture. This refined analysis is specifically designed to accurately identify the presence of target scent profiles, utilizing the enhanced sensitivity and specificity provided by the adjusted sensor array settings.

The present disclosure relates to a composition of super absorbent polymer and a preparation method thereof, and more specifically, a composition of super absorbent polymer and a preparation method thereof, that may improve deodorization capacity and odor masking capacity by using specific additives in combination, to effectively inhibit odor generated from urine, and the like, when applied to a product such as a diaper, and the like, and bacteria growth during wearing of a product.

The invention discloses a multi-device state sensing driven intelligent storage abnormity early warning method, and relates to the field of storage cargo management, and the method comprises the steps: 1, collecting multi-source data through a multi-source sensor node, including odor intensity, volatile organic compound concentration, carbon dioxide or carbon monoxide content, and environment temperature and humidity, meanwhile, physical coordinates of the multi-source sensor nodes are obtained; 2, acquiring historical multi-source data in advance, constructing a dynamic threshold model based on the historical multi-source data, calculating odor fluctuation, a gas combination abnormal index and a temperature and humidity coupling risk value according to the multi-source data, and introducing time evolution trend analysis to obtain a gas combination abnormal index and a temperature and humidity coupling risk value; and a dynamic threshold model is combined to identify risk signals in the odor fluctuation degree, the gas combination anomaly index and the temperature and humidity coupling risk value, a space attenuation model is adopted to generate a three-dimensional anomaly thermodynamic diagram based on the physical coordinates of the multi-source sensor node and the risk signals, and a high-risk area is positioned.

Systems, methods, and other embodiments described herein relate to improving passenger compartment air quality in a vehicle. In one embodiment, a method includes, responsive to acquiring sensor data that includes at least air quality information about a surrounding environment of an ego vehicle, analyzing the sensor data to determine whether the air quality information satisfies an action threshold specifying that air around the ego vehicle is of a poor quality. The method includes identifying a source of the air having the poor quality, including whether a leading vehicle in front of the ego vehicle is the source. The method includes generating a response to the air having the poor quality according to the source. The method includes controlling the ego vehicle according to the response.

To provide odor-proof bags that offer excellent odor-blocking properties and can be manufactured inexpensively even in small batches. [Solution] The odor-proof bag 1 is formed such that the surface coat layer of the three-layer laminated sheet 10, which consists of an olefin resin sheet layer, an aluminum vapor-deposited layer, and a surface coat layer 16 laminated in this order, is the outer surface, and preferably the olefin resin sheet layer is made of polypropylene film. The odor-proof bag has an opening 11 and a closing means for keeping the opening closed after the contents are inserted.

The utility model relates to the technical field of hygienic products, in particular to a hygienic product with tightening and deodorizing functions, which comprises a front waistline, a rear waistline and an absorber arranged between the front waistline and the rear waistline, the front sides and the rear sides of the front waistline and the rear waistline are welded to form welding portions, and waistline openings are arranged above the front waistline and the rear waistline. Leg openings are formed in the two transverse sides of the absorber, the sanitary product seals the waist openings and the leg openings through a first pull line and a second pull line, the sanitary product does not need to be curled while stuffiness and stink in summer are avoided, and after the waist openings of the front waist and the rear waist are tensioned and sealed through the first pull line and the second pull line, the sanitary product can be conveniently taken out. And the liquid of the absorber is not easy to leak in a storage and discarding state, so that the sanitary product is safer and worry-saving to use, and the technical problem that the liquid possibly leaks from one side after the absorption core is extruded in a rolling process after the existing sanitary product is used and discarded is solved.

The invention relates to the technical field of animal driving, in particular to a solar animal driving device and an animal driving method.The animal driving method comprises the steps that an effective driving area and an edge area are determined, animals in the edge area are attracted firstly, and then the animals are driven after being attracted to the effective driving area, so that the animal driving efficiency can be improved without increasing the power of a horn; according to the solar animal repelling device, the distance between an animal and the repelling device is kept close enough, so that repelling can be effectively conducted, and the problem that the animal gradually adapts to sound waves and generates habitual inertia due to the fact that the sound waves of the repelling device are not strong enough when the animal is located in the edge area is solved. And luring and driving of light, sound waves and smells are realized.

The invention relates to the technical field of fish meat source identification, in particular to a method for identifying different sources of fish meat by combining an electronic tongue with HS-SPME-GC / MS. The method comprises the following steps: obtaining a fish meat sample; performing taste detection on the fish meat sample by adopting an electronic tongue to obtain a taste detection result; after the fish meat sample is extracted, volatile odor substance detection is conducted through chromatography and mass spectrometry, volatile odor substances comprise one or more of dimethyl phthalate, nonanal, n-hexyl alcohol, naphthalene, octanol, 1-octylene-3-alcohol and alpha-platylene, and a volatile odor substance detection result is obtained; and identifying the fish meat source in combination with the taste detection result and the volatile odor substance detection result. According to the method, an electronic tongue technology and a headspace solid phase microextraction-gas chromatography-mass spectrometry technology are combined for use, and the taste and the smell are detected at the same time so as to distinguish fish meat from different sources, so that a more reliable quality evaluation system can be established, accurate traceability and grading are supported, and different user requirements are met.

Embodiments of a controlled odor emission system and device include an odor presentation port tube and an odor tray securely retained against a platform, a valve housing securable to the platform adjacent the tray, a valve secured within the valve housing and an actuator for moving the valve. By controlling movement of the valve, precise amounts of an odor can be dispensed under programmatic control for training animals. Further, a system incorporating a central control unit and a reward dispenser in communication with an odor emission device to facilitate animal training.

To make the prevention of an offensive smell and the treatment of an offensive smell substance compatible.SOLUTION: A cover bag 2 and a storage bag 3 are attached to a Western-style toilet bowl 1 and pressed by a toilet seat 4. After excretion, a foam composition containing 25-40 wt.% of a surfactant, 40-55 wt.% of water and a propellant is sprayed to the filth from an aerosol 10 sealed in a container to form mousse-like and water-soluble foam 20 covering the filth and held for 12 hours or more. Thereafter, the excretion and the formation of the foam 20 by jetting are repeatedly performed and, when the housing bag 3 becomes full, the coagulant 30 is charged to coagulate the filth or the like and, thereafter, the housing bag 3 is taken out to be discarded. By the foaming composition, the foam 20 which is mousse-like and water-soluble and whose surface is kept in a mousse state for 24 hours or more can be formed, and an offensive smell can be prevented even when excretion is repeated. Finally, since the storage bag 3 is taken out and discarded, it can be easily and sanitarily discarded.SELECTED DRAWING: Figure 1

A surface cleaning device includes a nozzle and an odor dial assembly. The nozzle includes a nozzle housing and a dirty air passageway. The odor dial assembly include a fragrance member and a dial body configured to be removably coupled to the nozzle housing. The dial body at least partially defines a fragrance cavity configured to at least partially receive the fragrance member and a fragrance passageway extending therethrough. The odor dial assembly is configured to transition between a plurality of user-selectable positions to adjust an amount of fragrance particles released by the fragrance member into the dirty air passageway.

The invention discloses a thyme identification method based on combination of multiple technologies of GC-IMS, electronic nose and electronic tongue, and belongs to the technical field of plant aroma component analysis and origin traceability, the thyme identification method comprises the following steps: drying and crushing a thyme sample, and preparing a to-be-detected sample by adopting a headspace extraction method; respectively carrying out GC-IMS detection, electronic nose detection and electronic tongue detection on the sample to be detected to obtain characteristic data; fusing the feature data, preprocessing by adopting PCA (principal component analysis), constructing an OPLS-DA (orthogonal partial least squares-discriminant analysis) origin identification model through orthogonal partial least squares discriminant analysis, and screening difference feature markers of which the VIP value is greater than or equal to 1.5; detection data of a thyme sample with an unknown production place is input into the production place identification model, a production place identification result is output, three advanced analysis technologies of GC-IMS, an electronic nose and an electronic tongue are jointly applied, the quality characteristics of thyme are comprehensively represented from three dimensions of volatile component composition, overall smell characteristics and taste characteristics, the information amount is rich, and the method is suitable for large-scale popularization and application. And the representation is more comprehensive and objective.

The utility model discloses an ammonia water adding device for latex glove production, which comprises a material storage barrel, two connecting seats are symmetrically and fixedly arranged on the side wall of the material storage barrel, a rotating rod is rotatably connected between the two connecting seats in a limiting manner, two arm rods are fixedly connected to the outer side of the rotating rod in a sleeving manner, and the two arm rods are connected with the material storage barrel. One ends of the two arm rods are jointly connected with a material bearing box in a limiting mode, one end of the rotating rod movably penetrates through the side wall of the connecting base and then is connected with a worm wheel, one side of the worm wheel is connected with a worm in a meshed mode, a rotating shaft fixedly penetrates through the position of a center shaft of the worm, and the two ends of the rotating shaft are arranged on the side wall face of the connecting base in a limiting mode through two limiting bases. Through the arrangement of the structure, the burden of a worker can be relieved, and meanwhile the problem that when the worker gets close to the feeding hopper for feeding, pungent smell overflows from the feeding hopper, so that the worker is choked by the strong pungent smell, and the worker feels uncomfortable is solved.

An object of a system according to an embodiment is to propose an optimum meal substitute based on the preference and health condition of a user and to interpolate visual information and aroma information.SOLUTION: A system includes a proposal part, a visual interpolation part, and a fragrance interpolation part. The suggestion unit suggests an optimum meal substitute based on the preference and health condition of the user using the generated AI. The visual interpolation unit visually interpolates the meal substitute proposed by the proposal unit via the AR terminal. The scent interpolator interpolates the scent information of the meal substitute suggested by the suggester via the AR terminal.SELECTED DRAWING: Figure 1

The utility model relates to an air purifier with a cat bed arranged on the top, which comprises a main machine body, a filter element and a fan assembly, the filter element and the fan assembly are arranged in the main machine body, a groove is arranged on the top surface of the main machine body, a pet house is arranged in the groove, and the pet house is detachably connected in the groove through a quick assembly and disassembly structure; the pet house is arranged on the air purifier, a pet cat can have a rest on the air purifier, if peculiar smell emitted by the pet cat can surround the air purifier, peculiar smell in the air can be filtered and removed in the first time, and the pet house is arranged on the top face of the air purifier, so that the pet cat can have a rest on the air purifier. On one hand, the arrangement of the air inlet and the air outlet of the air purifier is not affected, and on the other hand, the fan assembly operates to generate heat which can warm the pet house to a certain extent, so that the heat can be fully utilized, and the attraction to a pet cat and the rest comfort are improved.