1. Take methods to collect previous materials from plant roots, including growing plants in the planting environment, with a membrane around, allowing humidity to enter the planting environment, and recovering previous materials from the planting environment. (Application Division 2066-00).

摘要

2. A method for extracting a precursor containing copolymer elasticity or a mixture thereof from a plant root containing a porous underwater membrane or a non porous underwater membrane (application zone 2066-00);