16 results about "Cold injury" patented technology

This invention belongs to the field of post-harvest quality testing technology for agricultural products, specifically relating to a method for predicting the degree of chilling injury in bitter gourd. The method uses *Bitter Gourd 'Du Ruan'* as the research object, employing segmented pre-cooling treatment to measure indicators such as chilling injury index, respiration rate, weight loss rate, firmness, chlorophyll content, malondialdehyde content, and antioxidant enzyme activity during storage. This determines suitable pre-cooling conditions, explores the impact of different pre-cooling settings on its physiological quality and chilling injury development during storage, and constructs a bitter gourd chilling injury prediction model based on key indicators. The method for predicting the degree of chilling injury in bitter gourd provided by this invention offers a theoretical basis and technical support for optimizing post-harvest cold chain processes for bitter gourd, mitigating low-temperature damage, and extending shelf life.

The present invention relates to the technical field of rewarming first aid equipment, and in particular to an electric rewarming device for first aid of cold injuries in the field, comprising: an electric rewarming blanket, a pair of first bearing rods, a pair of second bearing rods, an assembly module, a pair of bearing plates, and a plurality of pairs of track chains and a plurality of pairs of track chains; the pair of first bearing rods are arranged in parallel; the head ends of the pair of second bearing rods are respectively connected to the tail ends of the pair of first bearing rods; the assembly module is arranged on the pair of first bearing rods and the pair of second bearing rods, and is used to connect the head ends of the first bearing rods to the tail ends of the second bearing rods; a pair of bearing plates are movably assembled on the pair of first bearing rods and the pair of second bearing rods, and are used to carry the injured; a plurality of pairs of track chains are movably assembled on the pair of first bearing rods and the pair of second bearing rods; the electric rewarming blanket is wrapped around the injured and is connected to the track chains. The present invention solves the defect in the prior art that it is inconvenient for rescuers to quickly transfer the injured, and has the characteristics of strong practicality.

The utility model belongs to the field of wound cooling, particularly relates to an auxiliary cooling bag, and aims to solve the problems that cold injury is caused, a wound is pressed, the pain of a patient is increased, bacteria are immersed into the wound through the wound skin and the infection probability is increased due to the fact that the auxiliary cooling bag and the skin are directly cooled in the prior art. The device comprises a bottom plate and a cooling bag, the corner angles of the four sides of the bottom plate are arc-shaped, the cooling bag is arranged above the bottom plate and used for cooling the wound of a patient, an arc-shaped notch is formed in the bottom of the cooling bag, the top and the bottom of the cooling bag are open, and the arc-shaped notch is formed in the bottom of the cooling bag. Ice blocks used for cooling the wound of the patient are placed in the cooling bag, the limb burn wound of the patient can be cooled conveniently, damage to the limb burn wound is reduced, the cooling bag can be prevented from making contact with the wound of the patient, damage and compression to the wound are reduced, bacteria on the device can be prevented from infecting the wound, and the wound is prevented from being damaged. The rehabilitation of the patient is ensured.

This invention discloses the application of a UBC9 overexpression reagent in the preparation of drugs for preventing hypothermia caused by acute cold exposure, belonging to the field of biomedical technology. In vitro and in vivo experiments confirmed that acute cold exposure can induce a significant upregulation of UBC9 expression in skeletal muscle. Further, a skeletal muscle-specific UBC9 overexpression mouse model was constructed, revealing that UBC9 overexpression significantly enhances the core body temperature maintenance capacity of mice under acute cold exposure, upregulates the expression of the key thermogenic protein UCP3 and mitochondrial functional proteins TOMM20 and COX4, alleviates mitochondrial structural damage, and reduces mitochondrial oxidative stress levels. This invention reveals for the first time that UBC9 is a key target for the regulation of skeletal muscle thermogenicity under acute cold exposure. Enhancing UBC9 expression can effectively prevent or improve skeletal muscle thermogenic dysfunction caused by cold environments, providing a novel intervention strategy for developing drugs to prevent and treat cold injury.

The invention discloses a fresh-keeping method for relieving banana cold damage through constant magnetic field treatment. The fresh-keeping method comprises the following steps: step 1, material selection and pretreatment; step 2, constant magnetic field treatment; and step 3, packaging and storing. 4, evaluating the effect; a constant magnetic field physical treatment mode is adopted, chemical agents do not need to be added, harmful substance residues on the surfaces of fruits and vegetables are avoided, and the food safety requirement is met; one-time constant magnetic field treatment is only carried out at the initial stage of storage, the continuous treatment time is not longer than 12 hours, and compared with an intermittent continuous treatment mode or a whole-process continuous treatment mode in the prior art, energy consumption is remarkably reduced; the cold injury index of bananas in the low-temperature storage period can be effectively reduced, the peel brightness is improved, cold injury symptoms are delayed, the appearance and quality of fruits are maintained, and the cold injury relieving effect is optimal when the bananas are treated by a 5mT-intensity constant magnetic field for 12 hours or treated by the 5mT-intensity constant magnetic field for 8 hours.

The present invention provides an application of N-fluorenylmethoxycarbonyl-L-leucine in the preparation of a drug for preventing cold exposure injury and a drug for preventing cold exposure injury, and relates to the technical field of anti-freezing drugs. Through research, the present invention finds that N-fluorenylmethoxycarbonyl-L-leucine can be used to prepare a drug for preventing cold exposure injury, thereby providing an effective drug for personnel working in cold regions to potentially improve the body's cold resistance and anti-cold injury ability.

The invention discloses a corn low-temperature cold damage vulnerability assessment method. The method comprises the following steps: 1, selecting indexes; step 2, constructing a cold damage index; step 3, identifying a cold injury event; 4, simulating the growth condition; 5, establishing a fragile curved surface; in the fourth step, the key physiological index loss rate is obtained by subtracting the key physiological index under the cold injury condition from the key physiological index, dividing the key physiological index under the normal condition and multiplying by 100%; according to the method, from the perspective of a soil-crop-atmosphere continuum, indexes capable of representing the low-temperature cold damage on different scales are selected, the comprehensive cold damage index is formed after weighting, the actual low-temperature cold damage condition of corn can be more accurately represented, a complete cold damage event is identified according to a run-length theory, and the method has the advantages of being high in accuracy and high in accuracy. The three-dimensional vulnerability curved surface is formed in combination with the cold damage duration, crop disaster conditions corresponding to different cold damage degrees can be represented, and cold damage events can be described more visually and comprehensively.

The invention provides a method for identifying the tolerance degree of wheat to low-temperature cold injury, and belongs to the technical field of wheat growth monitoring. A repeated sowing method is designed according to the wheat development process, and the low-temperature cold damage tolerance degree of different wheat varieties can be accurately identified. According to the method, the spike phenotype grading standard after the wheat is influenced by the low-temperature cold damage is formulated, and the wheat spike cold damage index is calculated according to the lightest damage grade and the most serious damage grade; according to the cold injury index range of wheat ears, six types including a highly blunt type, a moderate blunt type, a mild blunt type, a mild sensitive type, a moderate sensitive type and a highly sensitive type are divided. The method is beneficial for wheat breeders or wheat producers to identify the tolerance degree of wheat to cold injury.

The present application relates to a kind of irrigation farmland crop low temperature cold injury monitoring and diagnosis method, device, equipment and medium, comprising: collecting irrigation farmland multi-source data;Key indicators are calculated based on farmland multi-source data, wherein, key indicators include: land surface temperature LST, enhanced vegetation index EVI, sunlight-induced chlorophyll fluorescence SIF and solar declination delta;The key indicators calculated are calculated by the air temperature estimation model of pre-constructed irrigation farmland to obtain farmland daily average air temperature, and based on the low temperature cold injury determination standard of farmland crop, the monitoring and diagnosis of farmland crop low temperature cold injury are carried out.The present application can be based on the actual situation of irrigation farmland crop growth, utilize multi-source remote sensing data, consider the influence of surface temperature, crop growth, canopy physiology, solar radiation and other multi-factor, accurately estimate the air temperature of irrigation farmland, have strong operability, practicality is strong, it is easy to promote.

The utility model discloses an anti-freezing adjustable ice cap which comprises a cap body, the cap body comprises a forehead part, an ear part is fixedly arranged on the rear side of the forehead part, a pillow rear part is fixedly arranged on the rear side of the ear part, the top of the forehead part, the top of the ear part and the top of the pillow rear part are flush, and the bottom of the ear part is higher than the bottom of the forehead part. The height of the bottom of the forehead portion is larger than that of the bottom of the pillow rear portion, a cap cover is fixedly arranged on the rear side of the top of the cap body, openings are formed between the two sides of the left side of the cap cover and the cap body and between the front side of the cap cover and the cap body, an ice cap inner container is detachably connected to the inner bottom of the cap cover, and an elastic band is fixedly arranged at the bottom of the cap body in an annular mode. The ice cap has the advantages that cold injury is prevented, eyes cannot be covered, timely observation of medical staff to patients cannot be affected, the disposable ice cap inner container is detachably arranged in the ice cap, each patient can use the ice cap independently, and cross infection among the patients is prevented.

The invention provides application of N-fluorenylmethoxycarbonyl-L-leucine in preparation of a medicine for preventing cold exposure injury and the medicine for preventing cold exposure injury, and relates to the technical field of medicines for preventing frostbite. Research finds that N-fluorenylmethoxycarbonyl-L-leucine can be used for preparing the medicine for preventing cold exposure injury, and then a potential effective medicine for improving the cold resistance and cold injury resistance of organisms is provided for cold region operation and combat personnel.

The present application relates to the technical field of detection of durian cold injury, and provides a rapid dyeing method for detecting the degree of durian cold injury and application.The present application is a visual detection method, which comprises dyeing, decoloring and preservation, and the specific steps comprise cold treatment, cleaning, vacuumizing, dyeing, decoloring, photographing and recording and preservation process, the degree of durian cold injury is rapidly judged by obtaining the leaf profile and metabolic change of durian leaf under the state of cold injury, so as to obtain the cold injury phenotype.The dyeing solution, the decoloring solution and the preservation solution of the present application are used to treat durian leaves, the state and the damage degree of the cold injury of the leaves of different varieties of durian can be directly observed, and the leaves are easy to be stored for a long time at room temperature.The present detection method has the advantages of simple operation, clear dyeing contrast, rapid and intuitive and low cost, and can be used for observing and judging the degree of cold injury of malvaceae and other species with similar leaf structure.The method is expected to be applied in the fields of plant protection, crop cultivation and production.

The present invention relates to the field of oil production technology, and in particular to a device for preventing cold damage in a carbon dioxide driven wellbore and a method for using the device. The technical solution is: an anti-blocking jet pump is connected through an oil pipe and a small-diameter oil pipe, and the anti-blocking jet pump is installed in the middle of the oil well, the lower end of the anti-blocking jet pump is connected to an underground gas-liquid separator through an oil pipe, the lower part of the underground gas-liquid separator is connected to a fin heat exchanger, the lower part of the fin heat exchanger is connected to a step-down degassing heat exchanger, and the step-down degassing heat exchanger is located below the oil layer. The beneficial effects are: not only can the cooling problem in the oil production wellbore caused by heat absorption during the gasification of carbon dioxide be reduced, and the situation of crude oil waxing and ice blocking the liquid flow channel caused by cooling can be avoided, and the corrosion of carbon dioxide to the pipe column can be greatly reduced due to the incorporation of power fluid; in addition, the present invention can backwash the well to dissolve wax and remove blockage, avoid re-operation, and reduce operating costs.

The present application relates to the field of food preservation technology, and specifically discloses a storage and preservation method for inhibiting cold injury of passion fruit. The method comprises the following steps: (1) pretreatment: passion fruits with the same shape and maturity and without diseases and mechanical damage signs are soaked in a sterilizing agent solution, and then the moisture on the surface of the passion fruits is dried; (2) preservation treatment: the passion fruits in step (1) are fully soaked in a methyl jasmonate solution, then are subjected to room temperature fumigation treatment with the soaking solution, and then the moisture on the surface of the passion fruits is dried; (3) storage: the passion fruits obtained in step (2) are put into a preservation box, sealed with a preservation film, and stored in a low-temperature environment at 5±1℃. The method can effectively inhibit the occurrence of cold injury, delay the browning of the fruits, prolong the shelf life of the passion fruits in low-temperature storage, and has high treatment efficiency and is safe and harmless.

This invention proposes a magnetic field-coupled low-temperature pre-storage preservation method for mitigating chilling injury during peach storage. During the low-temperature pre-storage process, a static magnetic field is coupled, which can be achieved using an external magnetic field on existing refrigeration equipment. This eliminates the need for significant modifications to existing refrigeration equipment, saving on equipment and time costs. The magnetic field-coupled low-temperature treatment method does not involve the use of chemical preservatives, thus avoiding food safety issues. It is a chemical-free, simple, efficient, green, and safe method for controlling chilling injury during peach storage. It does not require highly skilled operators, facilitating the widespread application of this invention.

The invention provides a refined economic forest fruit flowering phase low-temperature cold damage risk assessment early warning method and device, and relates to the technical field of disaster assessment, and the method comprises the steps: obtaining a multi-source historical data set corresponding to a research region, and planting economic forest fruits in the research region; preprocessing the multi-source historical data set to obtain a characteristic quantity matched with a forest fruit growth area and a forest fruit flowering phase of the economic forest fruit, and determining an event level corresponding to a low-temperature cold injury event occurring in the research area based on preprocessed historical single-station low-temperature cold injury event data; and based on the characteristic quantity of the economic forest fruit and the event level corresponding to the low-temperature cold injury event, training the neural network model to obtain a cold injury risk assessment and early warning model, the cold injury risk assessment and early warning model being used for performing assessment and early warning on the event level corresponding to the low-temperature cold injury event occurring in the forest fruit growth area in the forest fruit flowering phase. According to the invention, the precision degree and accuracy of low-temperature cold injury risk assessment early warning can be obviously improved.