Avoid the light Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
The frozen vegetables can not be immediately received by light, and the straw curtains and the like are used to cover the film on the shed, and the lyophilized materials such as newspapers can also be used to cover the frozen vegetables, so that the frozen vegetables are slowly thawed and resumed growth. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Slowly warming Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
The frozen vegetable sheds should not be thawed by rapid heating measures. In addition to shading, appropriate measures such as venting can be taken to make the shed temperature rise slowly. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Supplemental Water Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
After the vegetables are frozen, they can be watered in moderation. On the morning after freezing, the vegetable plant and the ground can be sprayed with a new high-fat film 800 times with a sprayer to prevent the ground temperature from continuing to drop and the frozen vegetables to be dehydrated and dried. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Spraying disease prevention and treatment Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
After the vegetables are frozen, the growth potential is weak, and the diseases such as gray mold are prone to occur. After the vegetables are restored to growth, the frozen part can be cut off, and the new high-fat film 500 times liquid + 50% of the quick-knot WP can be used 2000 times. The liquid is sprayed and can also be smoked with 10% ketone. Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
Strengthen Management Linyi Fertilizer Network Copyright
Linyi Fertilizer Network Copyright
After the frozen vegetables resume growth, they should be prevented from being frozen again, and the soil should be loosened in time, and the quick-acting fertilizer should be applied in an appropriate amount to promote the growth of the plants. Linyi Fertilizer Network Copyright
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Bi Convex Aspherical Lens
Convex Aspheric elements are widely used to reduce aberrations, aspheric lens is ideal for light collection, projection, illumination, detection, and condensing applications.
VIS coating option provides less than 1.5% reflection from 425 – 675nm. NIR coating option provides less than 1.5% reflection from 600 – 1050nm. Contact our sales department for volume pricing or for help specifying a custom aspheric lens.
Aspheric Lens
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Aspherical Lens specification
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Machining scope
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φ5-200mm+0/-0.2
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Material
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All kinds of optical glass and infrared materials aspheric(silicon,germanium,crystals etc.)
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The face accuracy
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P-V<0.3 muon m
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Surface quality
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20/10-40/20
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Production capacity
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2000 pieces per month
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Bi Convex Aspherical Lens,Molded Glass Aspheric Lens,Convex Aspherical Lenses,Aspheric Condenser Lens
China Star Optics Technology Co.,Ltd. , https://www.opticsrealpoo.com