296 results about "Death cause" patented technology

The invention relates to an on-board intelligent alarming method and a device, wherein, the method combines a longitudinal anti-collision pre-warning method based on the single-eye vision and an accident automatic help-calling method, realizes preventing the rear-end accidents, strives for helping time, reduces injuries and deaths, effectively prevents the collision accidents and personnel deaths caused by the collision, and improves the running safety of the automobile; the device mainly comprises three parts: an on-board terminal, a monitoring center and a user end; the method and the device use the machine vision technique to differentiate the moving vehicles in the front, have high precision and wide visible range, can effectively probe the obstacles, reduce the error reporting possibility and prevent the collision accidents. The method and the device can improve the safety of the vehicle, thus having extremely large application value and prospect.

A method of reducing the occurrence of brain cell damage or death caused by transient cerebral hypoxia/ischemia condition or a traumatic brain injury (TBI) event. The method typically comprises identifying a subject with a transient cerebral hypoxic and/or ischemic condition, or a TBI, and within 24 hours of onset of the condition, administering to the subject a continuous intravenous infusion dose of methamphetamine in an amount sufficient to reduce the occurrence of brain cell damage or death caused by the condition. Preferably, in addition to the continuous intravenous infusion dose, a bolus dose of methamphetamine is administered to the subject as soon as possible after onset of the condition or occurrence of the TBI event.

The present invention relates to a marker for predicting a gastric cancer prognosis, a composition and a kit for predicting gastric cancer prognosis comprising an agent for measuring the expression level thereof, and a method for predicting gastric cancer prognosis using the marker. According to the present invention, gastric cancer prognosis may be predicted promptly and accurately, and an appropriate treatment plan can be determined based on the predicted prognosis, which has an advantage of contributing to significant reduction of death caused by gastric cancer. Particularly, according to the present invention, the survival rate can be remarkably increased by using the treatment method for a stage III gastric cancer patient to a patient who has been predicted to have a negative prognosis among stage Ib/II gastric cancer patients.

The invention discloses a 3D printing preparation method of a small-aperture biological artificial blood vessel and an artificial blood vessel to solve the technical problem that the printing temperature of a stent material is higher than the survival temperature of cells, thus causing cell death in a process of printing a small-aperture biological artificial blood vessel by a 3D printing technology. After endothelial cells are printed on the surface of a rotary collector, a first stent is assembled on the rotary collector with the printed endothelial cells, then smooth muscle cells are printed on the surface of the first stent, a second stent is assembled on the periphery of the first stent with the printed smooth muscle cells, and collagenous fiber is printed on the second stent; and finally, the rotary collector is soaked in a cell culture dish, and demoulding is performed to obtain a small-aperture biological artificial blood vessel. The first stent and the second stent are prepared in advance by a 3D printing method; and the pre-preparation way of the two stents can ensure that the cells are assembled, printed and seeded after the stent cooling, the layered uniform seeding of cells is guaranteed while the problem of cell death caused by the high printing temperature is avoided.

The invention relates to a piglet special forage. Per 1000 g of the piglet special forage contains puffed soybean meal, puffed corn, wheat bran, silkworm chrysalis, soya bean, table salt, grease, an acidifying agent, an enzymatic preparation, a flavoring agent and additives. Puffed soybean meal and puffed corn are taken as the main raw materials, and are added with wheat bran, silkworm chrysalis, soya bean, grease and various preparations, and then added with multiple vitamins, amino acids and trace elements, so that the forage which is abundant in nutrition, scientific and reasonable is prepared. The acidifying agent in the forage helps to promote growth of piglets, control breeding of harmful microbes and prevent generation of piglet diseases; the enzymatic preparation helps to improve digestive ability of the piglets and increase utilization rate of the forage; the combination of grease and copper helps to improve daily weight gain rate of the piglets; vitamins help to reduce emergency phenomena of the piglets and improve immunity; and in conclusion, the mutual cooperation of the various components helps the piglets to reduce the risks of drug residue and death caused by diarrhea.

The invention provides a high-density circulating water stepwise shrimp cultivation system. A fall occurs to every two adjacent cultivation pools. A water outlet is formed in the bottom of each cultivation pool and connected with an inner sleeving type water outlet pipe. The inner sleeving type water outlet pipes are detachably vertically arranged in the cultivation pools. The height of the inner sleeving type water outlet pipes is smaller than the depth of the cultivation pools. The water outlets in the outer ends of the bottoms of the cultivation pools are connected to transfer pipes and circulating water pipes. The circulating water pipes are communicated with circulating water processing pools and are internally provided with water pumps. During cultivation, volume of water in one cultivation pool is double that of water in the upper cultivation pool. A transfer method of the high-density circulating water stepwise shrimp cultivation system is further provided. The high-density circulating water stepwise shrimp cultivation system and the transfer method thereof have the advantages that during transferring, the shrimps are protected from death caused by accumulation; with the water outlet pipes, the water in the cultivation pools can be recycled.

The invention provides a cell cryopreservation solution. The cell cryopreservation solution comprises components in percentage by volume as follows: 9%-13% of dimethyl sulfoxide, 0.5%-3% of dextran and 85%-91% of a culture medium, wherein the culture medium comprises a Lonza basic culture medium and/or a DMEN high-sugar culture medium. According to the cell cryopreservation solution, the culture mediums can provide good nutritional ingredients in the cell cryopreservation process, meanwhile, the dextran can well keep the osmotic pressure, even in the temperature decrease process, the good osmotic pressure environment can still be kept, and the phenomenon of cell death caused by temperature decrease and change of the osmotic pressure is avoided, so that cells still have the high thawing rate after being cryopreserved by the aid of the cell cryopreservation solution for a long time. Experiment results indicate that thawing rates of the cells cryopreserved by the aid of the cell cryopreservation solution for 1 month, 6 months and 12 months are 95%-99%, 90%-98% and 90%-96% respectively.

The invention discloses a method for prompting pond- bred alosa sapidissima to spawn by ecological regulation and control. The method comprises the following steps of: in a breeding season, selecting sexually matured alosa sapidissima parent fish; stocking selected alosa sapidissima parent fish into a breeding pond for enhanced breeding, wherein the water temperature in the breeding pond is stabilized at 18 to 22 DEC G and dissolved oxygen content is kept over 6mg/L; and maintaining water flow stimulation for prompting the alosa sapidissima to spawn continuously and naturally, wherein the water flow is 3 to 8 cubic meters per hour. In the method, germ cells of the pond- bred alosa sapidissima are started and induced to mature and finally the pond-bred alosa sapidissima is prompted to spawn by adopting ecological regulation and control measures such as enhanced breeding, water temperature, dissolved oxygen content, water stimulation and the like, so that parent fish death caused by artificial oxytocin breeding is reduced and labor intensity is reduced.

The present disclosure provides multiparametric codon optimization methods to improve at least a property in a candidate nucleic acid sequence. Such parameters include improving nucleic acid stability (e.g., mRNA stability), increasing translation efficacy in the target tissue, reducing the number of truncated proteins expressed, improving the folding or prevent misfolding of the expressed proteins, reducing toxicity of the expressed products, reducing cell death caused by the expressed products, and increasing or decreasing protein aggregation. After such optimization, the resulting optimized nucleic acid sequence has at least one optimized property with respect to the candidate nucleic acid sequence.

The invention discloses a method for preventing and treating dendroctonus valens LeConte by using scleroderma guani Xiao et Wus. The method comprises: selecting larvas or pupas of anoplophora imitators as hosts for the breeding of scleroderma guani Xiao et Wus, raising parasitic wasps inside glass finger-shaped test tubes, sealing the test tube openings of glass finger-shaped test tubes with degreasing cotton, placing the glass finger-shaped test tubes inside manual climate chambers for culturing, and obtaining a large number of female adult wasps; selecting appropriate weather to release the wasps with every3 to 5 plants acting as a placement position, pulling out cotton plugs from the test tubes, placing the test tubes in an inclined manner at the root portions of trees or placing test tube openings on branchlets of the trees. The scleroderma guani Xiao et Wus can climb out of the test tubes voluntarily, and disperse voluntarily in the trees or among the trees in search for the larvas or pupas of the anoplophora imitators. The scleroderma guani Xiao et Wus of the invention are used in the field of preventing and treating alien invasive anoplophora imitators for the first time, and can effectively cause death to or live on the larvas or pupas of the anoplophora imitators so as to prevent and control forest occurrence rate of the anoplophora imitators, thus addressing the problem of tree death caused by hazards to trees, branches or trunks imposed by the anoplophora imitators.

The invention relates to a speed difference controller with a free contraction function. One end of an internal coil spring is fixed to a shell of the speed difference controller, and the other end of the internal coil spring is connected with a rotating shaft of a core. During normal use, a fall protection safety rope is pulled out, and the coil spring is contracted; after loads are released, a rope winding wheel is driven by the rotating shaft so as to wind the safety rope under the action of elasticity of the coil spring, so that the free contraction function is realized. The speed difference controller further has a speed difference locking function. In the condition of fall due to slipping, the fall protection safety rope is quickly pulled out, so that the rotating shaft and a rotating mechanism are driven to quickly rotate by the rope winding wheel, and under the action of centrifugal force, a pawl overcomes the tension of a tension spring so as to be opened and then is locked and jammed with a wheel disc, so that the speed difference locking function is realized. The speed difference controller further has an anti-impact function. When the pawl is opened and locked after fall due to slipping, the rotating mechanism rotates relative to the rotating shaft under the action of axial force of a friction plate, so that buffer force is provided for a falling person, death caused by excessive pulling force after locking is prevented, and the anti-impact effect is achieved.

The invention provides a method for producing frozen dough through antifreeze fermentation of collagen antifreeze peptide. The method comprises the steps that an appropriate amount of wheat flour, yeast, sodium chloride and water are obtained to be placed into a stirring tank to be mixed into a dough, an appropriate amount of collagen antifreeze peptide is added into the stirring tank, and the dough is kneaded to be formed and then is cut, rolled to be round, shaped, wrapped by a preservative film and frozen at -20 DEG C for storage; the frozen dough is taken out and fermented to form the frozen dough. By adding the appropriate amount of collagen antifreeze peptide into the dough, growth and recrystallization of ice crystals in the frozen dough can be restrained, the liquid in yeast cells is protected against rupture death caused by crystallization, the fermentative capability of the yeast is enhanced, and meanwhile the gluten network structure of the dough is protected, so that the holding force is improved, the fermentation time is shortened, and standardization, safety and convenience of product quality are improved.

The invention discloses feeding house cleaning equipment used for animal husbandry, comprising a wall body and a pool, wherein a first motor is connected with a turntable by a rotating shaft running through the lower end of a ceiling, the lower end of a barrel is fixedly connected with the upper end of the turntable, the feeding house cleaning equipment for animal husbandry realizes mechanization in cleaning rubbish in a livestock breeding house, can liberate operating personnel from heavy physical labor, is favorable for improving the living quality of the operating personnel, and can improve the production efficiency; excellent cleaning equipment can achieve the workload of many labor force, and does not need to hire a large quantity of manpower for cleaning, thus saving a large quantity of manpower payment for enterprises, improving the economical benefits of enterprises, ensuring healthy and strong growth of livestock while saving labor force, avoiding disease and death caused by unsanitary conditions, and further avoiding incredible result caused by plague; and compared with other equipment, the device is simple in structure, convenient to use and long in life.

The invention belongs to the field of fertilizers for agricultural planting and relates to a high-efficiency continuous cropping-resistant organic fertilizer and a preparation method thereof. The preparation method comprises the following steps that crop straws, livestock and poultry excrement, tobacco leaf waste and mushroom sticks as main raw materials are added with thermophilic microorganisms; the mixture is subjected to high-temperature fermentation; and fermentation products are added with high-efficiency continuous cropping-resistant microorganisms to form the high-efficiency continuous cropping-resistant organic fertilizer. The high-efficiency continuous cropping-resistant organic fertilizer can solves the problem of garlic and cucumber symptoms of root rotting, leaf yellowing and seedling death caused by the continuous cropping obstacle, and overcomes the defect that the same type of the existing product on the market sterilizes unthoroughly and causes soil hardening. The content of the invention relates to a high-temperature fermentation decomposition technology in raw material production, types and a use amount ratio of microorganisms for high temperature fermentation, and types and a use amount ratio of high-efficiency continuous cropping-resistant microorganisms added into a later-stage fertilizer.

The invention discloses a bamboo rat propagation method comprising the following steps of (1) young rat social domestication: breeding young rats in a social breeding pong for 3-4 months; (2) breeding rat selection and separate mating and breeding: selecting male rats and female rats having large propagation potentiality to mate, and putting each pair in a separate culture pond for breeding; and (3) breeding rat mating in the wild: for the breeding rats mated successfully for the first time in the step (2), after young rats are weaned, putting the young rats into the social breeding pond for breeding, and putting the breeding rats into an ecological breeding factory for breeding. By utilization of the social breeding pond, the young rats are adapted to live in groups through domestication, the basis for subsequent large-scale polyculture is established, and injuries and deaths caused by fighting of the bamboo rats during the subsequent polyculture process are reduced and prevented. The wild and interior are combined by the ecological breeding factory designed by the method, the bamboo rats living in the wild natural environment have high survival rates, and are strong and not subject to diseases, mating successful probability of the bamboo rats is improved, and survival rates of the young rats are high.

The invention belongs to the field of ecological risk assessment of genetically-modified crops and particularly relates to a detecting method for assessing the insect resistance of the transgenic Bt cotton by using chlaenius bioculatus motschulsky. The principle of the method is as follows: the food chain relation of chlaenius bioculatus motschulsky, cotton bollworm and cotton in the cotton field ecosystem is used, and the degree of death caused by the transgenic Bt cotton to the target organism which is the lepidopteron such as the cotton bollworm is reflected by the number of the predator clusters. The chlaenius bioculatus motschulsky is trapped by using the trap and the attractant in the perennially planting transgenic Bt cotton field and the contrast cotton field, and the number of the chlaenius bioculatus motschulsky in the perennially-planting transgenic Bt cotton field is compared with the number of the chlaenius bioculatus motschulsky in the contrast cotton field, and the comparison result shows that the number of the chlaenius bioculatus motschulsky in the perennially-planting transgenic Bt cotton field is lower than the number of the chlaenius bioculatus motschulsky in the contrast cotton field, which proves that the transgenic Bt cotton has higher insect resistance. The detecting method is accurate, is low in cost and is convenient to apply.

The invention provides an ecological restoration blanket, a preparation method and application thereof and relates to the technical field of ecological environment management. The ecological restoration blanket is mainly composed of plant fiber, viscose fiber, soil conditioner, plant seeds and granular controlled-release fertilizer. The ecological restoration blanket is prepared through hot-melting cold-pressing one-time forming, and a space where plant root systems, the soil conditioner and microbial active substances coexist is formed as plants grow, so that the ecological restoration blanket has effects of unfolding in a balanced manner for preserving soil moisture and conditioning soil, and the problem that ecologically restored plants are prone to death caused by the fact that a nonwoven layer or a tightknit fiber layer in a multilayer-separated soil restoration pad directly blocks development of the plant root systems or soil moisture preserving effect of restored plants is poor in the prior art is relieved. The ecological restoration blanket can be widely applied in preparing ecological restoration products for desert gobi, loess parent material landform and barren cultivated land or in preparing urban roof and overhead cement guardrail greening and beautifying products.

[Problems] To provide a neuronal cell death inhibitor and a therapeutic agent for a neurodegenerative disease, particularly Parkinson's disease.

[Means for Solving Problems] It is known that DJ-1 protein is involved in Parkinson's disease and is capable of inhibiting neuronal cell death caused by oxidative stress. Based on this knowledge, screening is made for a low molecular weight molecule capable of binding to an active site of DJ-1 protein (i.e., a region around a cysteine residue at position-106) using an analysis softwear FastDock (Fujitsu Ltd.). When various tests are made using candidate low molecular weight compounds each having a binding energy of −60 kcal/mol or lower, these compounds show a therapeutic effect on a neurodegenerative disease.

The invention belongs to the technical field of planting of chrysanthemum, and particularly relates to a cutting seedling transplanting method of chrysanthemum. The method comprises the following steps: preparing a transplanting field, preparing covering soil, preparing cutting seedlings, transplanting, and carrying out the post-transplanting management. Compared with the prior art, the cutting seedling transplanting method of the chrysanthemum has the following advantages: soil is turned and ridged in the transplanting field, nutrients and transplanting soil are successively laid, and finally the covering soil is laid on the transplanting soil after the seedlings are transplanted; and by analyzing growth demands of various parts of the cutting seedlings, root functions of the cutting seedlings can be rapidly restored after the cutting seedlings are transplanted, the evaporation is reduced, the nutrients are transferred to a desired position, and the transplanting survival rate is increased; moreover, the operating method is simple and rapid and can be used for transplanting the seedlings in a large scale, so that the death caused by the damage of roots can be reduced; and the cultivated chrysanthemum is relatively high in ornamental value, and relatively good in medicinal application property and nutritional value.

The invention provides a method for inducing aquatic root of fleshy-root-type flowers. The method comprises the following steps: step 1, selecting a potted plant; step 2, cleaning roots; step 3, selecting a specific bactericide to treat the root; step 4, selecting a specific plant growth regulator to treat the root; step 5, placing the root into a water culture tank to induce aquatic root; and step 6, transplanting the plant into a container and adding a nutrient solution for maintaining. In the method provided by the invention, a specific bactericide is selected to treat the root, not only can kill common diseases of the fleshy-root-type flower, but also can stimulate the growth of the aquatic root of the-fleshy root-type-flower on a certain degree; and a specific plant growth regulator is selected to treat the root, and can greatly promote the growth of the aquatic root system of the fleshy-root-type flower. The method provided by the invention is adopted to treat the fleshy-root-type flowers such as northeast kaffir lily and the like, so that the phenomenon of death caused by watering problem during the maintaining process of the fleshy-root-type flowers can be reduced, and meanwhile the damage of soil diseases and pests to the plants can be reduced.

The invention discloses a system for observing and collecting migratory fishes in a fish way. The system comprises an observing system and a collecting system, the observing system is arranged beside or in a fish way body, and the collecting system is arranged beside the observing system. The system overcomes the defect that an observing chamber directly arranged on the side wall of the fish way is only supportive of observing and counting and cannot collect fishes or is small in collection quantity and low in efficiency and the defect of influence on normal fish passing of the fish way due to proneness to fish death caused by the fact that several times of fishing are needed for complete counting in the prior art. The system has observing, monitoring, counting and sampling functions, and is free of influence on normal running of the fish way, high in fish collecting efficiency, little in damage to fishes and free of influence on fish resources and supportive of cleaning and maintaining a glass window of the observing chamber by opening and closing different gates to adjust flowing direction of water. The invention further discloses a method for observing and collecting the migratory fishes in the fish way.

The invention discloses a small-sized household earthquake rescue capsule, which consists of a bottom plate 100, supporting arms 200, a tensioning device 300, a buffer device, a firs top cover 500, a movable flange 600 and a second top cover 700, wherein the bottom plate 100 is a hexagonal plate and is provided with through grooves 110, and five angles of the bottom plate 100 are provided with flanges 120; the tensioning device 300 is provided with six supporting plates 310; the supporting plates are connected with a central hexagonal plate 330 through hinges 320; and the buffer device consists of six equilateral triangle truss structures 400. The small-sized household earthquake rescue capsule can be used as a desk or a flower stand at ordinary times; and when an earthquake occurs, refugees can quickly enter the rescue capsule. The rescue capsule is designed by using a high-strength frame structure, so that death caused by factors such as house collapse during earthquakes can be effectively avoided, and meanwhile, the use of the material can be reduced by using a bridge and the truss structure.