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392results about How to "Reduce health risks" patented technology

Drone for Agriculture

The present invention is a drone for spraying liquid such as pesticides, fungicides, herbicides, plant growth regulators, plant defoliators, and fertilizers over field crop. The drone comprises: a frame with a slender rigid beam in the middle and two base structures at the two ends, a rigid tube with an array of nozzles on elongated stems and the rigid tube is suspended below the beam structure with retractable wires, at least three propellers on motors with arms that are rotatably mounted to each of the two base structures of the frame, a power source positioned in one of the bases, at least one distance detector for measuring height of the drone above the ground, an antenna for sending and receiving communication signals, an electronic control system to operate motors and sensors, a container for a liquid material with a caped opening for refilling and an air pump to maintain a positive pressure in the container and electronic valve to allow liquid in the container under pressure to be released through a transfer line to be sprayed from the nozzles, and a remote controller for operating the drone. The invention provides a specialized drone that is able to spray liquid solutions over a wide strip of the field at a height close to crop canopy to achieve high efficiency and precision and reduced drift of sprays while the drone flies at a relatively high above the crop canopy for safe operation and avoid damage to crop by air turbulence.
Owner:LIU YONGBIAO

Medical instrument cleaning, disinfecting and drying integrated device

The invention relates to the technical field of medical instrument cleaning, and discloses a medical instrument cleaning, disinfecting and drying integrated device. The medical instrument cleaning, disinfecting and drying integrated device is characterized in that an electric push rod is arranged on the top of the outer side of a box, a push rod head of the electric push rod extends into the box to be fixedly connected with a cleaning frame, the bottom of the box is provided with an ultrasonic transducer, a first control valve and a second control valve are both solenoid valves, the top of the box is provided with a dryer and an exhaust vent, and the inner side of the top of the box is provided with a plurality of ultraviolet disinfection lamps; and a power module, a controller and a control panel are further included, and the electric push rod, the first control valve, the second control valve, the ultrasonic transducer, the dryer and the multiple ultraviolet disinfection lamps are connected with the controller through the control panel. By means of the medical instrument cleaning, disinfecting and drying integrated device, the workload of cleaning personnel is greatly saved, safety hazards and health hazards are reduced, the cleaning effect is good, and the therapeutic effect of medical instruments is ensured.
Owner:NORTHEAST DIANLI UNIVERSITY

CT or PET-CT system and positioning method for conducting scanning through same

The invention discloses a CT or PET-CT system and a positioning method for conducting scanning through the CT or PET-CT system. The CT or PET-CT system comprises an imaging device and a picture processing device. A patient can not suffer X-ray radiation when positioning is conducted through the CT or PET-CT system, and potential health hazards of the patient are reduced. In addition, in a positioning method for conducting scanning through an existing CT or PET-CT system, an examining table is usually required to move for a quite long time, the examining table scans the patient in the moving process to obtain locating plates, and subsequent examining can be further scheduled only according to the locating plates, and the positioning method mainly includes the steps of obtaining scanning a starting position parameter of the examining table and a scanning stopping position parameter of the examining table. However, by means of the positioning method for conducting scanning through the existing CT or PET-CT system, positioning time is too long. The examining table is kept still when positioning is conducted through the CT or PET-CT system, the scanning starting position of the examining table and the scanning stopping position of the examining table can be known by taking pictures, measuring the electronic pictures and conducting calculation, and positioning time is shortened.
Owner:SHANGHAI UNITED IMAGING HEALTHCARE

Indoor air quality regulating and controlling system and method based on personnel location detection

The invention discloses an indoor air quality regulating and controlling system and method based on personnel location detection. The system comprises a data collection system, a computer system and an indoor environment regulating and controlling system. The data collection system comprises a personnel counter, an infrared array sensor and an air quality sensor module. The indoor environment regulating and controlling system comprises an indoor integrated main ventilation purifying system and a local regional space ventilation purifying system. The indoor integrated main ventilation purifyingsystem performs indoor integrated ventilation purifying according to the total number, transmitted to the computer system, of indoor persons. The local regional space ventilation purifying system determines whether the local regional space ventilation purifying system is started or not according to data which are transmitted to the computer system by the infrared array sensor and the air qualitysensor module. By means of the regulating and controlling system, the concentration of indoor environment pollutants and the running energy consumption can be controlled more reasonably, the whole airquality operation level can be improved, the risks to health of human bodies and the loss of working efficiency are reduced, and building energy saving is facilitated.
Owner:CHONGQING UNIV

Median-multiple fire-fighting foam monitor

Relating to the field of fire-fighting equipment, the invention provides a median-multiple fire-fighting foam monitor, which mainly solves the defects existing in single-multiple and median-multiple fire-fighting foam monitors. The median-multiple fire-fighting foam monitor includes a connecting pedestal, launch foam barrels and a pipeline barrel frame connecting the connecting pedestal and the launch foam barrels. The connecting pedestal, the pipeline barrel frame and the launch foam barrels are equipped with a mixed solution channel communicated with a mixed foam solution. The launch foam barrels include barrel bodies and nozzles disposed at front ports of the barrel bodies. The foam monitor is characterized in that there exist multiple launch foam barrels, which are fixed on the pipeline barrel frame in a vertical direction and have the same launch direction. Specifically, a low multiple launch foam barrel is positioned below, and launch foam barrels higher than the low multiple launch foam barrel are positioned above. The mixed solution pipeline in the pipeline barrel frame is communicated with the nozzles of all launch foam barrels, and each nozzle is respectively located in the front port of a corresponding barrel body. Compared with traditional low multiple foam extinguishing systems, the fire extinguishing efficiency is improved; compared with traditional high multiple foam extinguishing systems, the launch range is increased.
Owner:章丘市消防器材有限责任公司
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