Round Fixing Magnet, or Bushing Fixing Magnet, socket bushing magnet or Insert magnet holder.The round fixing magnet, is a magnetic insert assembly mainly used for holding concrete formworks which made of steel,or holding tools. Its` magnetic force is range from 4 kg ~ 70kgs, which could hold steel structures steadily.
The Round fixing magnet, is made of Neodymium Magnet , steel armature and steel thread rod. The neodymium magnet is plated with NI-CU-NI treatment,the steel armature is treated with Zinc coating, the thread rod is coated with black epoxy. These surface treatment could offer good anti corrosion protections for the bushing fixing magnets.
The strongest permanent magnet-NdFeB magnets are used in the embeded socket fixing magnet. The NdFeb magnet are plated with NiCuNiand the metal cup could be plated with color Zinc or other treatments to well protect the metal cup from
corrosion. The magnet contact surface
should be clean and flat otherwise the actual magnetic force will be reduced. The max
working temperature of the embeded fixing
magnets is 80 degrees. Please keep the embeded fixing magnets away fire or being
heating. If higher working temperature is needed, the
higher grade NdFeB magnets will be necessary then.The magnetic force and sizes could be designed according to customers' requirements.
Bushing magnet, which configure by a thread hole cup magnet and a separable thread rod to fit the thread hole.Magnetic bushing magnet is made of a strong neodymium magnet,a steel cup and a thread rod. The magnet have been plated with thick coatings to prevent corrosion,please be noted that magnetic bushing assembly is not water proof,bushing magnet could not left in humid environment for months or years.Bushing magnet assembly have very strong magnetic force which could retaining heavy objects.We could produce various sizes of magnet bush assembly. Please kindly inform the model number and quantity when send us inquiry,we could quote soon after calculate the costs.
inserted fixing magnet, a strong Magnetic Assembly for precast concrete industry, it is used to hold neodymium magnet
Inserted fixing magnet,also known as
embeded fixing magnet, inserted socket fixing magnet,
embeded socket fixing magnet, magnetic pipe
ixing magnet,precast concrete fixing magnet.is the new magnetic assembly in precast concrete industry. It is the
best solution to fix the
inserted socket in precast concrete panel.
Magnetic Bushing Assembly Insert Fixing Magnet,Round Fixing Magnet,Embeded Fixing Magnet,Bushing Fixing Magnet NINGBO SHINE MAGENETIC TECHNOLOGY CO.,LTD , https://www.shinemagnets.com
Lettuce management method
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 is poured in 5-7 days. When the temperature is low, the amount of water should be small, and the date of watering interval should be long; the amount of water needed during the growth period should be kept moist, and the soil should be kept moist; after the formation of the leaf ball, watering should be controlled to prevent uneven water, causing cracking and rotten heart; When the cultivation of the protected area begins to form a ball, the watering must not only ensure the plant's need for water, but also not excessive, and control the humidity in the field. It should not be too large to prevent disease.
After cultivating and weeding and planting slow seedlings, weeding and weeding should be carried out to enhance soil permeability and promote root development.
The top dressing is mainly based on the bottom fertilizer. When the bottom fertilizer is sufficient, the top stage of the growth may not be topdressed. At the beginning of the ball formation, the nitrogen fertilizer is chased with water to promote the growth of the leaves; the second fertilizer is chased for 15-20 days, and the NPK compound fertilizer is compared. Well, about 15-20 kg per mu; when the heart leaves begin to curl inward, then apply a compound fertilizer, about 20 kg per acre.
Pest control diseases mainly include downy mildew, soft rot, viral disease, dry rot, top burning disease, etc.; insect pests mainly include leaf miner, whitefly, aphid, thrips and so on. Pests and diseases should be based on prevention, and strengthen field management. For example, chemical control should use low-toxic, high-efficiency, low-residue pesticides, and pay attention to 15 days before harvest.
The harvesting period of scientifically harvested loose leaf lettuce is relatively flexible, and the harvesting specifications are not strictly required, and can be determined according to market needs. The harvesting of the lettuce must be timely. According to different varieties and different cultivation seasons, 40-70 days after the general planting, the formation of the leaf ball can be harvested by hand pressure. Only when the field management is strengthened, the vegetable farmers have good. Benefits.
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