| 摘要 |
FIELD: agriculture. ^ SUBSTANCE: method involves strengthening the material using filler, which is in form of hydrogel - cross-linked copolymer of acrylamide and potassium salt of acrylic acid. Portions of the filler are placed in water-soluble containers inside a cavity, made from the covering material and filled with water. ^ EFFECT: method reduces heat loss, costs and labour input in building a greenhouse, and also provides for repeated use of covering material. ^ 5 dwg |
