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94 results about "Environmental exposure" patented technology

Environmental exposure. The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.

Data integration risk assessment system for multi-source exposure of perfluoroalkyl / polyfluoroalkyl substances

PendingCN121215097AMolecular entity identificationComponent separationProbabilistic risk assessmentSurface runoff
The invention relates to the technical field of data integration, and particularly discloses a perfluoro / polyfluoroalkyl substance multi-source exposure data integration risk assessment system, which is characterized in that environmental exposure data of perfluoro / polyfluoroalkyl substances is acquired through a multi-source environmental sensor array, and a PFAS multi-mode exposure feature database is established; carrying out pollution source isotope fingerprint analysis, and obtaining source contribution rate distribution maps of three pollution sources of industrial emission, surface runoff and atmospheric settlement through a nonlinear source analysis algorithm; constructing a three-dimensional geographic information dynamic migration model according to the source contribution rate distribution map, and generating a multi-medium dynamic migration flux matrix; a composite risk assessment model is established based on the multi-medium dynamic migration flux matrix, probability risk assessment is executed in combination with an ecological toxicity threshold database, and a space gridding risk grade map is output; the method not only fills the blank of the prior art in the aspects of multi-medium dynamic modeling and nonlinear source analysis, but also provides powerful technical support for environmental pollution control and ecological risk prevention and control.
Owner:UNIV OF SCI & TECH BEIJING

METHODS FOR ENVIRONMENTAL EXPOSURE METRICS BASED ON SKIN SCIENCE AND GEOLOCATION

METHODS FOR GEOLOCATION-BASED SKIN SCIENCE-BASED ENVIRONMENTAL EXPOSURE METRICS Methods for communicating the risk of skin conditions due to exposure to sunlight and environmental conditions to individuals. These methods leverage geolocation and environmental data to provide guidance and enable consumers to make informed decisions regarding outdoor activities, healthcare, and skincare. A photopollution metric is a function of the ultraviolet index (UVI) and the level of a pollutant such as particulate matter (PM) and allows for the communication of an individual's risk of exposome-induced skin conditions based on environmental exposure. Figure for abstract: none
Owner:LOREAL SA

A proactive health stratification management method and electronic devices based on multimodal fusion

This application, in the field of intelligent medical technology, provides a proactive health stratification management method and electronic device based on multimodal fusion. The method includes: acquiring dynamic and static data of the person to be assessed; inputting the physiological time-series data and the behavioral time-series data into a spatiotemporal feature extraction module to extract the temporal dependencies in the dynamic data, and using a self-attention mechanism to identify abnormal feature sequences based on the temporal dependencies to obtain dynamic risk features; inputting the genetic data and the environmental exposure data into a static feature extraction module to extract static risk features based on a multi-head attention mechanism; fusing the obtained dynamic risk features and the static risk features using a dynamic gating mechanism to obtain fused features; passing the fused features to a fully connected layer to obtain health risk level results at different time scales, and outputting a health stratification management file based on the health risk level results.
Owner:TAIZHOU MATERNAL & CHILD HEALTH HOSPITAL

Life cycle durability evaluation system of cross-sea bridge in coastal severe corrosion environment

This invention relates to the field of facility durability assessment technology, and in particular to a life-cycle durability assessment system for cross-sea bridges in highly corrosive coastal environments. The system includes: a multi-source heterogeneous data acquisition module, used to acquire corrosive environment data, structural response data, component apparent damage data, and historical material performance data through a sensor network, image acquisition equipment, and database deployed on the bridge body and its environment; a data fusion and spatiotemporal registration module, connected to the multi-source heterogeneous data acquisition module, used to clean, align, and standardize the acquired heterogeneous data, and establish a mapping relationship between environmental exposure, material damage, and structural response; and a full-link intelligent system encompassing data perception, fusion analysis, AI prediction, dynamic calibration, and assessment decision-making. Through the fusion of physical mechanisms and data-driven approaches, this system achieves a fundamental shift in cross-sea bridge durability assessment from experience-based judgment to accurate prediction, and from passive maintenance to proactive operation and maintenance.
Owner:CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP CO LTD +1

ENVIRONMENTAL EXPOSURE INDICATORS ACTIVATED BY PULL GLASS

This document provides pull-tab activatable environmental exposure indicators. An exemplary pull-tab activatable environmental exposure indicator includes a substrate, a first indicator area and a second indicator area defined on the substrate, a first reservoir containing a first payload, which includes a first liquefiable material configured to liquefy in response to a first predetermined environmental exposure, a second reservoir containing a second payload, which includes a second liquefiable material configured to liquefy in response to a second predetermined environmental exposure, and a removable sealing layer, wherein the removable sealing layer prevents the first payload from flowing from the first reservoir to the first indicator area when the first liquefiable material has liquefied.and prevents the flow of the second payload from the second reservoir to the second indicator area once the second liquefiable material has liquefied.
Owner:ZEBRA TECHNOLOGIES CORP

Combined physical and chemical models for estimating service lifetime and degradation of coating materials

Coating materials such as paints, and / or coatings used to protect and improve the aesthetics of a material surface, develop the problem of degradation under environmental exposure. The degradation causes the coating to fail unexpectedly in its required applications. To keep this in check, the service life and change in material properties of a paint / coating need to be predicted before its use. Present disclosure provides system and method that implement a combined model to estimate the service lifetime and predict the chemical and physical changes in a coating material under various weathering conditions. The combined model captures the chemical modifications and physical modifications and affected properties like surface roughness, thickness loss, fracture toughness, gloss loss respectively. Chemical changes and physical changes are estimated correlated to help in estimating the service lifetime and degradation of the coating material.
Owner:TATA CONSULTANCY SERVICES LTD

Thermal transfer ribbons and direct thermal print media including environmental exposure indicator material

PendingUS20250376599A1StampsInksPrint mediaAdhesive
A label includes a flexible substrate comprising a first side and a second side. The first side is an adhesive, the second side is configured to be printed with a first visible mark, and the second side has a second printed, overlapping mark. The overlapping mark is configured to change opacity below a first transition temperature to obscure the visible mark.
Owner:ZEBRA TECHNOLOGIES CORP

Systems and methods for using variable ink detection to detect environmental exposure on products

A method is provided, the method including obtaining one or more vision machine learning—artificial intelligence (ML-AI) models associated with a product and obtaining one or more images of a product label of the product. The product label indicates a variable ink that changes colors based on environmental aspects. The method also includes determining condition information indicating a status of the product label based on the one or more vision ML-AI models and the one or more images of the product label indicating the variable ink, and outputting an indicator indicating the status of the product label based on the condition information.
Owner:CVS PHARMACY INC

Verification of RFID activation using variable capacitance structure

Devices and Methods for Verification of RFID Activation Using Variable Capacitance Structures are disclosed herein. An example includes a radiofrequency (RF) tag, including an integrated circuit, an electrical circuit, connected to the integrated circuit, a variable capacitance structure, forming a portion of the electrical circuit, an activation indicator component included in the electrical circuit, an activatable environmental exposure indicator, the activatable environmental exposure indicator configured to become environmentally sensitive, such that when the RF tag is exposed to a predetermined environmental exposure subsequent to an activation action, the activatable environmental exposure indicator transitions from the unexposed state to the exposed state, the activatable exposure indicator configured to not transition from the unexposed state to the exposed state prior to the activation action.
Owner:ZEBRA TECHNOLOGIES CORP

Activatable and thermally sensitive media elements with light scattering layer

PendingUS20260249635A1Materials scienceLight scattering
Activatable and thermally sensitive media elements with light scattering layer are described herein. An example activatable and thermally sensitive media elements with light scattering layers may be provided by an activatable environmental exposure indicator, including a substrate, an indicator region operatively coupled to the substrate, a light scattering layer covering a covered portion of the indicator region, the light scattering layer formed of a light scattering material having voids such that the covered portion of the indicator region is obscured, and a plurality of activatable microcapsules coupled to the substrate.
Owner:ZEBRA TECHNOLOGIES CORP

Surface protecting and cleaning device for plastic mold transportation

PendingCN121374928ACleaning using liquidsCleaning validationMachine vision
The invention relates to the field of mold transportation and cleaning, in particular to a surface protecting and cleaning device for plastic mold transportation. Comprising a packaging box, an environment recording module, a cleaning unit, a cleaning verification unit and a controller. The mold is bound with the environment recording module after being protected, and temperature, humidity, vibration and other data are collected during transportation and storage; after the mold reaches the cleaning end, the controller calculates environment exposure risk indexes based on the collected data and the mold process parameters, and matched cleaning parameters are generated according to the environment exposure risk indexes to control the spraying pressure, flow, temperature and time; and after cleaning is completed, the cleaning level is obtained through machine vision and / or surface energy detection, the cleaning level is compared with a preset target, cleaning parameters are fed back and adjusted, meanwhile, whole-process data are written into a file, and quantitative control and traceable management of surface protection and cleaning in the whole period of mold transportation are achieved.
Owner:BROADWAY PRECISION TECH LTD

Geomembrane material service life prediction method and system

The invention discloses a geomembrane material service life prediction method and system, and relates to the technical field of geomembrane service life prediction.The geomembrane material service life prediction method comprises the steps that the real-time service state, historical environment exposure records and material formula and process parameter data of a geomembrane to be tested are obtained; carrying out fusion and alignment processing on the three types of multi-source heterogeneous data to generate a space-time associated material service panoramic data map; identifying and dividing three stages of stable, slow change and accelerated degradation of material performance degradation, and extracting typical damage evolution data fragments of each stage; constructing a causal inference network model associated with performance degradation and environmental load by using a mapping relationship between the fragment and a historical environmental exposure record; tracing a key environment load combination chain causing the current degradation stage; and generating a degradation path deduction instruction set according to the combined chain, and calculating to obtain a life prediction result. The method can improve the precision of life prediction, and meets the actual requirements of engineering.
Owner:JINAN TIANHAI PLASTIC PROD CO LTD

An ischemic stroke risk assessment model fusing environmental exposomics and metabolomics biomarkers and a model construction method

This invention, based on the screening and identification of environmental exocomics and metabolomics biomarkers associated with ischemic stroke, discloses an ischemic stroke risk assessment model and model construction method that integrates environmental exocomics and metabolomics biomarkers, improving the comprehensiveness, accuracy, and convenience of prediction. This invention systematically evaluates the association between exposure to mixed organic pollutants and the risk of ischemic stroke, identifying key pollutants; quantifies the impact of pollutant mixtures on the systemic metabolic network and stroke risk, revealing the mediating role of metabolic pathway disorders in pollutant-induced stroke risk; explores the potential of incorporating pollutant exposure information into clinical prediction models to improve the efficacy of ischemic stroke risk stratification, ultimately providing systematic multi-omics evidence for the causal relationship between environmental pollution and ischemic stroke, and offering new technical tools for precision disease prevention.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP

Model for inducing benign prostatic hyperplasia of rats by bisphenol A and construction method

PendingCN121890564ACompounds screening/testingHydroxy compound active ingredientsPerturbateurs endocriniensEndocrine disruptor
The invention provides a bisphenol A induced rat benign prostatic hyperplasia model and a construction method, and relates to the technical field of animal models. The method comprises the following steps: S1, selecting rats which are 8-9 months old and 9-10 weeks old, and adaptively feeding the rats in a suitable environment for 7 days or more; s2, jointly applying high-fat feed and bisphenol A to the adaptively fed rats to induce benign prostatic hyperplasia; the induction time is 60-80 days, and performing biological index evaluation after the induction is completed. The exposure level of low-dose BPA adopted by the invention is closer to the actual environment exposure level of people, and a main exposure way is simulated through oral gavage. The model constructed by the method can better simulate the real process of chronic and low-dose exposure pathopoiesis of the environmental endocrine disrupter in etiology, and provides an experimental tool with more practical significance for related risk evaluation.
Owner:SICHUAN UNIV

Multi-mode lung cancer risk dynamic assessment system and method thereof

The invention discloses a multi-modal lung cancer risk dynamic assessment system and method, and belongs to the technical field of medical data analys.The multi-modal lung cancer risk dynamic assessment system comprises a data acquisition module, a topological representation module, a self-adaptive attention gating module, a risk assessment module and a feedback optimization module; the method comprises the following steps: constructing a family history topological graph, a gene mutation topological graph and an environmental exposure topological graph, extracting multi-level topological features, generating a continuous bar code and a Betti number sequence based on continuous homology analysis, calculating an interaction coefficient, and triggering a cross-modal risk collaborative amplification mechanism when a gene mutation and environmental toxin coexistence mode is detected. The system is further provided with a three-level collaborative amplification mechanism, a risk decomposition report containing gene risks, environment risks, family risks and collaborative amplification factors is generated, dynamic parameter optimization is achieved by calculating the topological entropy change rate, deep fusion of multi-modal data is achieved, and the risk factor interaction effect is accurately quantified.
Owner:GUANGDONG OPTO MEDIC TECH CO LTD

Combined physical and chemical models for estimating service lifetime and degradation of coating materials

Coating materials such as paints, and / or coatings used to protect and improve the aesthetics of a material surface, develop the problem of degradation under environmental exposure. The degradation causes the coating to fail unexpectedly in its required applications. To keep this in check, the service life and change in material properties of a paint / coating need to be predicted before its use. Present disclosure provides system and method that implement a combined model to estimate the service lifetime and predict the chemical and physical changes in a coating material under various weathering conditions. The combined model captures the chemical modifications and physical modifications and affected properties like surface roughness, thickness loss, fracture toughness, gloss loss respectively. Chemical changes and physical changes are estimated correlated to help in estimating the service lifetime and degradation of the coating material.
Owner:TATA CONSULTANCY SERVICES LTD

Leaf vegetable phthalate multi-path absorption contribution rate prediction method based on environmental exposure concentration

PendingCN121899292AComponent separationHorticulture methodsPhthalic acidPhthalic acid ester
The invention belongs to the technical field of environmental science and engineering, and discloses a leaf vegetable phthalate multi-path absorption contribution rate prediction method based on environmental exposure concentration. According to the method, by establishing a mathematical model, the contribution rates of three ways of root absorption, leaf surface gaseous absorption and leaf particle absorption can be respectively, quickly and accurately calculated according to monitored environmental medium concentration data. Particularly, a quantitative response relation curve between the root absorption contribution rate and the PAEs concentration in the irrigation water is mainly established and revealed when the pollution in the air is relatively stable, so that the direct influence degree of irrigation water pollution on PAEs accumulation in the plant body can be clearly defined; and a direct and quantitative decision basis is provided for controlling agricultural product safety risks through water quality management.
Owner:DALIAN UNIV OF TECH

Environmental history monitor with positional displacement and security features

Environmental monitors for monitoring a predetermined environmental exposure, for example, an historical heat exposure such as a cumulative ambient heat exposure and / or a peak ambient heat exposure may include an environmental indicator material and a security material. The environmental monitor may be configured to attach to a host product for monitoring the predetermined environmental exposure of the host product, and additionally serve as an anti-counterfeiting indicator.
Owner:ZEBRA TECHNOLOGIES CORP

Crane metal structure damage detection method and system and application

The invention discloses a crane metal structure damage detection method and system and application, and the method comprises the steps: building a three-dimensional digital structure model based on crane structure information, dividing a detection region under a unified coordinate system, generating candidate detection points on the surface of a metal structure, and carrying out the detection of the metal structure; the method comprises the following steps: calculating an initial risk weight by combining a stress level, environmental exposure, historical faults and member importance, screening plan detection points on the premise of meeting a key member coverage constraint, and constructing a joint graph model containing a wall climbing edge and a flight edge by taking the plan detection points and attachment / separation positions as nodes; according to the method, wall climbing cost, flight cost and mode switching cost are introduced to plan a detection route, a flying and climbing robot collects visible light, infrared, ultrasonic and other detection sub-data along the planned route and uploads the detection sub-data, and a background server loads a detection neural network to output damage types and risk scores of planned detection points. And the initial risk weight and the structure importance are fused to obtain a comprehensive risk index, and automatic grading evaluation of the crane metal structure is realized.
Owner:SPECIAL EQUIP SAFETY SUPERVISION INSPECTION INST OF JIANGSU PROVINCE

A composition comprising glycerylphosphocholine and uses thereof

PendingCN122139937AFood shapingBiotechnologyPhosphoryl choline
The application belongs to the field of oral composition and food application, and provides a composition containing choline alfoscerate and application thereof. The composition takes L-alpha-choline alfoscerate as a liquid phase component, takes a complex core formed by pyrroloquinoline quinone disodium salt and cyclodextrin as a core, forms a multi-layer core-shell particle through core particle construction and layer-by-layer assembly of gelatin and sodium alginate, and is cooperatively configured with a dual-phase or dual-cavity storage mode. Therefore, the storage stability of the active ingredient, the integrity of the particle structure and the active release performance when used are considered, the adverse effects of environmental exposure are reduced, and the use convenience is improved. The composition can solve the problem that the memory-improving function and storage stability are difficult to be considered, and the particle structure integrity and the active release performance are restricted by each other, and is suitable for memory-improving food development and application.
Owner:NANJING ENTAI PHARMACEUTICAL TECHNOLOGY CO LTD

DEVICES, SYSTEMS AND METHODS FOR GEOLOCATION-BASED SKIN SCIENCE ENVIRONMENTAL EXPOSURE METRICS

DEVICES, SYSTEMS, AND METHODS FOR GEOLOCATION-BASED SKIN SCIENCE-BASED ENVIRONMENTAL EXPOSURE METRICS: Devices, systems, and methods for geolocation-specific exposure levels designed to communicate the risk of skin conditions due to sunlight and environmental conditions to individuals. These devices, systems, and methods leverage geolocation and environmental data to provide guidance and enable consumers to make informed decisions regarding outdoor activities, healthcare, and skincare. A photopollution metric is a function of the ultraviolet index (UVI) and the level of a pollutant such as particulate matter (PM) and communicates the risk of exposome-induced skin conditions to an individual based on environmental exposure. Figure for abstract: none
Owner:LOREAL SA

Exposome tracker for environmental health

A collector device of environmental exposure is provided. This device may be used to collect and, after technical upgrade, monitor environmental exposure in personal and stationary settings. By coupling with advanced genomic analysis and chemical analysis technologies, the device and its accompanying methodology are capable of detecting environmental agents of diverse nature, many of which could pose health risks if going unaware of or uncontrolled. This type of information provides much needed clues to reconstruct and pinpoint the course of disease etiology at both personal and epidemic scales. By combining personal exposome and personal omics analyses, we can recapitulate with the intention to then prescribe treatment plans with unprecedented precision.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV

Display device

A display device is provided. The display device includes a display panel and a circuit portion. The circuit portion includes a first circuit portion and a second circuit portion. The first circuit portion is connected to the display panel. The second circuit portion is connected to the display panel and at least partially overlaps the first circuit portion. A connection portion of the circuit portion, which connects the first circuit portion and the second circuit portion, is provided between the display panel and the first circuit portion in a direction perpendicular to a surface of the display panel. The above arrangement of the display device according to the disclosure protects the connection portion from environmental exposure, which improves waterproof performance and also eliminates the need for an additional waterproof layer.
Owner:SAMSUNG DISPLAY CO LTD

Systems and methods for switching compact signal hub plug types

The present disclosure relates to a signal hub featuring a switchable plug system, which allows for the interchange of plug types, such as from European Union (EU) to United States (US) standards, without disassembling the device. The system includes a plug housing that fits into a recess on the bottom shell, providing vertical and lateral support when plugged into an outlet. Plug prongs align with shell fastener apertures, secured by a fastener cover to protect against environmental exposure. The system utilizes a spring housing with terminal apertures to guide recess prongs into elastic terminals, ensuring stable electrical connections through compressive force. The ambient air gap between the top and bottom shells facilitates cooling, enhancing operational stability. The flexible support within the plug housing ensures consistent electrical contact, while the spring interconnects allow for vertical and lateral movement, improving impact protection and adaptability across different regions.
Owner:RIGH INC

A step therapy regimen recommendation method based on asthma control level and drug response phenotype

The present application relates to the field of intelligent medical auxiliary decision-making technology, and discloses a ladder treatment scheme recommendation method based on asthma control level and drug response phenotype. The present application aims to solve the problem that the existing scheme cannot identify the deep reason of uncontrolled condition, leading to blind step-up treatment. The present application excludes non-compliance interference by checking the drug execution rate, and improves the authenticity of condition assessment. The present application uses environmental exposure characteristics to adaptively correct the exhaled nitric oxide determination threshold, and eliminates the deviation of smoking on inflammation recognition. The present application combines the logic tree voting of multi-dimensional biological indicators to lock the drug response phenotype. Finally, based on the double index of condition state and phenotype, the present application locates the upgrade or transformation treatment path and generates a recommended scheme. The present application realizes the precise typing and differentiated drug administration of asthma treatment, effectively reduces the drug exposure risk of hormone-insensitive patients while ensuring the clinical efficacy.
Owner:THE FIRST AFFILIATED HOSPITAL OF TIANJIN UNIV OF TRADITIONAL CHINESE MEDICINE

Fluorescent probe for detecting superoxide anions and nitroreductase as well as preparation and application of fluorescent probe

The invention belongs to the technical field of environmental pollutant monitoring and biological imaging analysis, and provides a fluorescent probe for detecting superoxide anions and nitroreductase as well as preparation and application of the fluorescent probe. The chemical structural formula of the fluorescent probe is shown in the specification. The probe can realize rapid and accurate detection through the change of a fluorescence signal, and provides a new tool and method for physiological and pathological monitoring of animals under environment exposure.
Owner:UNIV OF JINAN

Methods for geolocation-based skin science-driven environmental exposure metrics

Methods for communicating risk of skin conditions due to exposure to sunlight and environmental conditions to individuals. Methods utilize geolocation data and environmental data to provide guidance and enable consumers to make informed decisions regarding outdoor activities, healthcare, and skincare. A photopollution metric is a function of ultraviolet index (UVI) and the level of a pollutant such as particulate matter (PM) and enables communication of risk of exposome-induced skin conditions to an individual based on environmental exposure.
Owner:LOREAL SA

Environmental exposure and lung health monitoring device

The present disclosure presents wearable sensor apparatuses, systems, and related methods. One such apparatus is in the form of a wearable sensor device that comprises a processor and a plurality of gas sensors integrated on the wearable sensor device, in which the gas sensors measure an amount of NO2, SO2, and O3 present in ambient air. The wearable sensor device further comprises a peak flow meter sensor integrated on the wearable sensor device; a temperature sensor integrated on the wearable sensor device; a GPS sensor integrated on the wearable sensor device; one or more transceivers integrated on the wearable sensor device; and an electronic display, wherein the processor is coupled to the electronic display and is operable to display sensor data measured from the wearable sensor device.
Owner:THE UAB RESEARCH FOUNDATION INC

Activatable dual thermal indicators

Activatable dual thermal indicators are disclosed herein. An example is provided by an activatable environmental exposure indicator, including: a substrate, a cover layer overlaying the substrate, a first reservoir and a second reservoir, separately disposed between the substrate and the cover layer and within in an activation region, a first plurality of microcapsules disposed in the first reservoir, each microcapsule of the first plurality of microcapsules including a first payload microencapsulated in a first frangible shell, a second plurality of microcapsules disposed in the second reservoir, each microcapsule of the second plurality of microcapsules including a second payload microencapsulated in a second frangible shell. The second payload includes a second liquefiable material configured to liquefy responsive to a second predetermined environmental exposure.
Owner:ZEBRA TECHNOLOGIES CORP

Strain feed mixing and conveying integrated device

The invention discloses a strain feed mixing and conveying integrated device which comprises a mounting frame, a feeding bin is arranged on the mounting frame, a lower end discharging port of the feeding bin is communicated with a premixing mechanism, a lower end discharging port of the premixing mechanism is communicated with a fine mixing mechanism, and a lower end discharging port of the fine mixing mechanism is communicated with a conveying mechanism. A discharge hole of the conveying mechanism is communicated with the stocker; the interior of the feeding bin is divided into a carrier cavity and a strain cavity through a vertical partition plate, a carrier metering bin is arranged at a discharging port in the lower end of the carrier cavity, a strain metering bin is arranged at a discharging port in the lower end of the strain cavity, and weighing sensors are arranged at the bottoms of the carrier metering bin and the strain metering bin. According to the invention, feeding, metering, mixing, conveying and storing are integrally designed, so that flow breakpoints are eliminated, material transfer links are reduced, mechanical damage to carriers and strains and environmental exposure are reduced, and meanwhile, mixing and conveying efficiency is improved; according to the invention, carriers and strains are respectively metered at the same time and then are mixed, so that the proportioning accuracy and stability of the strain feed are improved.
Owner:YILI NORMAL UNIV