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After scientific watering and slow seedling water, it is necessary to look at the soil moisture and growth conditions to master the number of watering. Usually water for 5 to 7 days. When the temperature is low, the amount of water should be small, and the date of watering interval should be long; ......
Glass sliding door or sliding door, partition door, wardrobe door, hanging door, etc., in addition to providing a seal for the wardrobe and the cloakroom, it can also provide space separation and privacy for the living room, kitchen, balcony, etc. Widely used in balconies, kit ......
Stability Principle of Pneumatic Gyro Rudder and Utilization of Decommissioned Gyro Xue Xiaozhong 0糜志浩1 Wei Jingwei Dian Lixin 1 Shen Jianping Pan Yongping, School of Power Engineering, Nanjing University of Science and Technology, Nanjing 210094 Aviation Ammunition Service Instit ......
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There is no way out. Chemical engineering is a major specialty course for chemical engineering and technology. The reform of this course is imperative. The chemical process is based on chemical products. In addition to studying their scientificity and practicality, in the long-term teaching prac ......
The research team at Harvard Medical School in the United States injected oil droplets or fat droplets mixed with fluorescent dyes into cells, and then activated the fluorescent dyes with short pulse light, and successfully used the light reflection and enhancement of oil drop ......
The sized steel 30 will be heated to 980, 1000 in a neutral protective atmosphere furnace, and then placed in a bolt hot stamping die to form a hexagonal bolt blank. When the deformation termination temperature is about 900 ft, it is immediately put into the oil for pre-quenching to obtain a quenche ......
Abstract Laser and glue can replace the solder currently used in the connection of diamond heads and rotating blades in stone cutting blades. This new method of moving lasers to add and eliminate cuts virtually eliminates the thermal stresses caused by the original welds, which are sufficient ......
Abstract A circular small turntable is installed in the circular equipment. The operator holds a small spoon in the right hand. The container placed from the side is filled with green material and poured into the small turntable. Evenly, the left hand quickly picks up a net and puts it in. , ......