Lettuce is a common seasonal dish and its production process is as follows:
1, the choice of raw materials. Selection of straight, thick, neat and tidy, thin, thick, tender texture, crude fiber, fresh lettuce as raw material. Remove the bolting, aging, thick skin, rough, hollow lettuce.
2, finishing. Cut off the sheath, hard tendons, leafy clumps and roots of lettuce.
3, salted. Put the finished lettuce in salt water for 3-4 hours. After the shoots become soft, remove them, and drain the brine in the basket. Then add 10 kg of salt per 100 kg of bamboo shoots, and pour a layer of lettuce into the jar. After filling the tank, sprinkle a layer of salt, press the stones and salt for 1 day.
4, drying. The salted lettuce is fished out, the moisture is controlled, spread on a bamboo curtain or a banquet table, and placed in a ventilated sunny place for drying. Let cool and place it in the cylinder. After filling the tank, press the stones and the marinade can be seen the next day. Immerse for 2 to 3 days, then remove the lettuce for drying, and put it away in the evening. When the surface of the lettuce is dried, it can be made into a dried lettuce blank.
5, install the cylinder. Per 100 kg of salted dried lettuce and dry rose 0.3 kg, the rose was evenly mixed in dried salted lettuce, packed in a cylinder, and packed and pressed. The surface of the tank is filled with 2 to 3 kg of fine salt and covered with a plastic film to seal the tank. After 10 to 15 days, it can be eaten.
Cylinder Lenses are offered in both plano-concave and plano-convex configurations, they are typically used to focus incoming light to a line, or to change the aspect ratio of an image. Cylinder Lenses are available with positive or negative focal lengths, they are used for the optics, lasers, medical science, electronics, tele-communication and others.
Worldhawk can offer cylinder Lenses include convex cylindrical lens, concave cylindrical lens, Meniscus Cylindrical Lens, and Doublet Achromatic Cylindrical Lens ect. Choose from N-BK7 glass, UV fused silica, or CaF2, all of which are available uncoated or with an antireflection coating.
Worldhawk can provide various kinds of cylindrical lens with high precision, We are proud to be one of the few suppliers can detection the radius and flatness about the cylindrical lens in China. Absolutly can ensure all the products are qualified.
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