1. Leafhoppers: The late rice in our city is currently in the late stages of childbirth, growing green, with mainly rainy weather in the middle and middle, and the conversion rate of the third- and fourth-generation leafhoppers is obviously improved. The arrival of foreign moths on August 20 is significant. Mixed with local moths led to the early occurrence of the fourth generation of leafhoppers this year, and the moth was long and chaotic. At present, the large number of moths in the field and the relative length of the rice are conducive to the occurrence of leafhoppers. It is predicted that the fourth generation of rice leaffolders will occur with heavy weight and local occurrence, which will pose a great threat to the single-season rice and late nights. . Second, sheath blight: The current single-season rice and sheathed with sheath blight rises quickly. According to the survey on the 8/22th day of the observation area, the average incidence of single-cropping rice is 3.2%, amplitude is 0-10%, and the strain rate is 0.61%. The rate was 0-2.02%, the incidence rate of 22.4% in Laopangqiao Township and the incidence rate of strains was 4.2%. Third, rice smut: last year, the city of single rice, early plugging in late, and in the mountains in the plain rice pudding disease. It is predicted that this year will still happen in large areas. The onset of the disease is at the ear stage, but the prevention must be at the booting stage (meiosis), and half of the rice flag leaf should be taken as the best period for prevention and cure. All localities are urged to step up their propaganda and launch campaigns to seize the appropriate period for preventive work. . The object of prevention and control: The first category: Single-season rice, early planting and late night, and middle-early rice in the mountainous region are dominated by leaf aphid to control sheath blight and rice smut. The second type is: the general anti-roll leafhopper, and according to the occurrence of the leafhopper, prepare for the second time. Prevention time: August 28-31, the prevention and treatment of pharmaceuticals: the first type (1) 18% insecticide 200ml + 25% quinoline 50ml + 5% Jinggangmycin 150ml/mu; (2) 40% 100 insects special 100ml + 5% Jinggangmycin 150/mu; (3) Treated with rice smut +12% Qu Wenxing 50g/mu. The second type (1) 18% insecticide 200ml + 25% quizphos 50ml/mu; (2) 40% 100 insects 100ml/mu.
Trauma Cannulated Screw
Cannulated screw is a common internal fixation device in orthopedic surgery.
Working process
During the operation, the Kirschner wire with the hole matching the hollow screw is first drilled into the bone of the fracture site, and then the hollow screw is screwed into the fracture site through the guidance of the Kirschner wire. Finally, the Kirschner wire is pulled out to complete the fixation of the fracture site. In many cases of fracture of the neck and femur, the healing cycle is long, and it usually takes about 30 months to remove the cannulated screws. At this point, the bone and the surface of the cannulated nail are closely connected and firmly connected in the nail path, which leads to defects easily generated by conventional nail removal methods, causing secondary injury at the fracture healing site and causing pain to the patient. Percutaneous cannulated screw internal fixation for femoral neck fractures has the advantages of small trauma, good healing, low rate of femoral head necrosis, and good stability.
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