12results about How to "Prevent disease" patented technology

This invention discloses a method for assessing shrimp health status based on multi-source information fusion, which relates to the field of data processing technology. The method includes the following steps: acquiring and preprocessing shrimp images at different growth stages; generating training images using artificial labels; extracting features such as shrimp outline length, area, and shell contrast; establishing a target recognition and feature extraction model based on the training images; identifying shrimp in the monitored aquaculture environment and extracting their behavioral characteristic parameters after training; calculating the behavioral assessment influence coefficient and growth assessment influence coefficient; and obtaining water source characteristic parameters to calculate the disease incidence influence coefficient; finally, generating a comprehensive health status assessment index, comparing it with a health judgment threshold, and outputting the health status judgment result. This achieves effective assessment of shrimp health status, real-time monitoring, and early warning, helping farmers take timely measures to prevent disease occurrence and improve shrimp survival rate and economic benefits.

The utility model belongs to the technical field of irrigation, and particularly relates to an irrigation mechanism for an agricultural greenhouse. Connecting plates are arranged on the side walls of the two sides of the frame body; a connecting rod is fixedly connected between the pair of connecting plates; a sliding groove is formed in the side wall of the connecting rod. The groove wall of the sliding groove is in sliding connection with a sliding block. A reciprocating piece is arranged on the side wall of the sliding block; the side wall of the sliding block is fixedly connected with a water passing pipe. The outer circular wall of the water passing pipe is fixedly connected with a water inlet pipe; one end of the water pipe is fixedly connected with a spray head; after a water source enters the water passing pipe from the water inlet pipe, the water source enters the spray head from the water passing pipe, when the frame body is located above the irrigation area, the spray head conducts irrigation from top to bottom, the sliding block drives the spray head to move back and forth on the frame body through the water passing pipe under the action of the reciprocating piece, the spray head moves to adjust the spraying position, and the irrigation blind area can be eliminated; it is ensured that each crop obtains the same water and fertilizer supply, and the irrigation effect is improved.

This application relates to a tunnel invert drainage system, comprising a longitudinal blind pipe at the tunnel bottom, a vertical blind pipe at the tunnel bottom, a circumferential blind pipe, a drainage layer, precast no-fines concrete blocks, a waterproof membrane, a transverse blind pipe, a back-adhesive waterstop, a centrally embedded waterstop, and a galvanized steel plate waterstop. The drainage layer includes self-adhesive fabric, a drainage membrane, and geotextile layered sequentially on the initial support surface; precast no-fines concrete blocks are placed on the longitudinal blind pipes of the low sidewall; the waterproof membrane wraps around the longitudinal blind pipes of the low sidewall and the precast no-fines concrete blocks; the transverse blind pipes are located on both sides of the circumferential construction joint, with drainage holes on both sides of the construction joint, the drainage holes communicating with the transverse blind pipes and the longitudinal blind pipes of the low sidewall; the back-adhesive waterstop is adhesively bonded to the waterproof membrane; the galvanized steel plate waterstop is fixed at the construction joint and adhesively bonded to the centrally embedded waterstop. This tunnel invert drainage system enables effective collection and efficient discharge of groundwater, thereby effectively reducing water pressure at the bottom of the invert.

The present application relates to a kind of soybean polypeptide preparation method with antioxidant and antagonistic lead damage effect.The soybean polypeptide prepared in the present application has good DPPH free radical clearance rate, ABTS free radical clearance rate and Fe3+ reduction capacity in vitro;It can also alleviate the case that the body weight of mouse is slowly increased due to lead exposure, improve the learning and memory ability of lead exposure mouse, alleviate the organ damage of mouse caused by lead exposure, enhance the level of reduced glutathione, superoxide dismutase and catalase of organism, and alleviate the abnormal increase of malondialdehyde caused by lead exposure.The soybean polypeptide prepared in the present application has good in vitro antioxidant capacity, and has antagonistic effect on oxidative stress caused by lead exposure mouse, and can be used as non-toxic and harmless natural antioxidant.For the development of natural antioxidant food, it has far-reaching application prospect, and also provides a new feasible idea for the combined application of bioinformatics technology and traditional enzymatic technology.

The utility model discloses a watchband and a wrist strap type blood pressure measuring watch adopting the watchband, which can effectively stabilize a watchband body during blood pressure detection and cooperate with the filling and releasing of an air bag so as to reduce the risk of inaccurate detection results caused by the deformation of the watchband and effectively improve the accuracy of blood pressure detection. A more scientific data reference is provided for a wearer; in addition, heat and moisture generated by metabolism of the wrist skin can be dissipated outwards, and diseases caused by long-time dampness and heat of the wrist skin and influences on blood pressure detection are avoided; in addition, the air bag can be conveniently and independently disassembled and assembled so as to be maintained or replaced. According to the technical scheme, the watchband is used for the wrist strap type blood pressure measuring watch and comprises an air bag and a low-elasticity band body manufactured through the latticed weaving technology; fixing holes are formed in the surface of the belt body; a fixing block is arranged on the air bag and detachably connected with the fixing hole.

The utility model discloses a strawberry cultivation device which comprises a base, and an observation pipe used for observing the height of the water level in the base and a drainage pipe controlled through a valve are arranged on the outer side wall of the base. A plurality of first air holes are formed in the upper part of the base at intervals; the transverse plate is detachably arranged at the top of the base, and a plurality of second air holes and water permeable holes are formed in the transverse plate; part of the water absorbing material is located in the base, and the rest part of the water absorbing material extends to the transverse plate through the water permeable holes; the upper frame is connected with the base through a foldable basin wall made of a flexible material, so that during use, the basin wall is unfolded to enable the base, the basin wall and the upper frame to form a basin body with an opening in the top end, and during storage, the basin wall is folded to enable the basin wall and the upper frame to sequentially sleeve the periphery of the base to form a folded state; and the holding piece is arranged on the upper frame. The strawberry cultivation device is convenient to move and store, can meet the high requirement for water in the strawberry planting process, and has high practical value.

The utility model relates to drip irrigation device technical field, concretely just is a farmland drip irrigation spraying device. Including bottom drip irrigation part and upper drip irrigation part, the bottom drip irrigation part includes the support plate of vertical setting, the both ends of support plate are detachably connected, and when the both ends of support plate are connected, the annular drip irrigation seat is formed, the upper drip irrigation part includes the first telescopic link of vertical setting, the upper end of first telescopic link is equipped with top drip irrigation subassembly, the lower part of first telescopic link is equipped with middle drip irrigation subassembly, middle drip irrigation subassembly with drip irrigation seat coaxial heart setting, top drip irrigation subassembly is used for carrying out drip irrigation to crop's leaf, middle drip irrigation subassembly is used for carrying out drip irrigation to crop root. Satisfy the water demand characteristics of different growth stages of crops, improve water and nutrient utilization efficiency, form multidirectional drip irrigation network, reduce water resource waste, avoid the disease caused by the excessive wetness of leaf simultaneously.

Disclosed are compounds of Formula (I): (I), or a stereoisomer, tautomer or salt thereof, wherein R is as defined herein. Also disclosed are methods of using such compounds to reduce the levels of an Ikaros protein, a Helios protein, an Ailos protein, and an Eos protein; and pharmaceutical compositions comprising such compounds. These compounds are useful for the treatment of viral infections and proliferative disorders, such as cancer. (I)

The application discloses the field of tree maintenance device, a walnut tree disease treatment injection device, including box, the outer top wall of box is fixedly connected with the hook, the inner top wall of box is fixedly connected with the collector, the side fixedly connected with the power supply of collector away from the hook, the side fixedly connected with the singlechip of power supply away from the collector, the side fixedly connected with the injection assembly of the inner wall of box away from the power supply, the bottom of box is communicated with injection port, injection port is located in the injection assembly near the power supply below, the end communicated with infusion tube of injection port away from the power supply, the end communicated with injection head of infusion tube away from injection port. The device has simple structure, is suitable for a variety of trees, according to the periodic occurrence of disease, can automatically implement drug quantitative delivery according to the number of disease occurrence without manual intervention, also can reduce the possibility of drug mixing, ensure that the drug efficacy of each time drug liquid delivery is not affected.

This utility model relates to the technical field of electric bed frame devices, specifically an electric bed frame with a rotating bed surface function, comprising: a bed surface assembly; a bed surface frame assembly, on which a turntable assembly and a drive assembly are provided, the drive assembly causing the turntable assembly to rotate; and a backrest and leg-raising assembly, on which the turntable assembly is provided, allowing the bed surface assembly to be in either a backrest or leg-raising position. The bed surface assembly includes a backrest board, a lumbar support board, a hiprest board, a thigh board, an upper leg board, and a lower leg board, which are sequentially distributed from one side to the other and are hinged to each other sequentially from one side to the other. This device allows an elderly person in a sitting position to rotate to the side of the bed, thus facilitating their getting out of bed.

The invention discloses a cover material as well as a preparation method and application thereof, belongs to the technical field of polyurethane road materials, and overcomes the defects of insufficient wear resistance and skid resistance of the cover material in the prior art. The overlay material disclosed by the invention is prepared from the following components in parts by weight: 80 to 100 parts of stone, 4 to 10 parts of polyurethane adhesive and 0.08 to 2 parts of silane coupling agent modified nano filler, the silane coupling agent modified nanofiller comprises a nanofiller and a coating layer arranged on the surface of the nanofiller, and the weight ratio of the nanofiller to the coating layer is (0.3-0.6): 1. The specific components and dosages have a synergistic effect, so that the wear resistance and skid resistance of the cover material are improved.

The utility model relates to the technical field of seedling raising, and disclose an electronic seedling raising box for forestry, including box, a plurality of drip irrigation mechanism are fixedly installed in the box, the drip irrigation mechanism includes water pump, water pump and box fixed connection, the water outlet of water pump and shunt pipe fixed communication, the shunt pipe fixedly is equipped on the box, a plurality of flow guide pipes are fixedly communicated in the shunt pipe, a plurality of drippers are fixedly communicated below the flow guide pipe, a plurality of plug -in humidity sensors are fixedly installed in the box, and the soil in the seedling raising groove is detected to humidity through plug -in humidity sensor, when humidity is below a certain value, water pump will start, and water is passed into the flow guide pipe from the shunt pipe, finally from the dripper drop to the soil in the seedling raising groove, until the soil humidity reaches the suitable value, and the drip irrigation mechanism and plug -in humidity sensor are installed on the seedling board top of each group, to guarantee the accurate water supply to the seedling on each seedling board.