Since the Three-North Shelter Forest Program was launched in 1978, more than 3.0×105ha of Mongolian pine (Pinus sylvestris var. mongolica, MP) plantations have been introduced to control erosion in sandy areas. However, MP plantations in the earliest introduction area (Zhanggutai region in...

Poly(phthalazinone ether nitrile ketone)s (PPENK) was modified with NaOH in N,N-dimethyl acetamide (DMAc) in order to find a hydrophilic resin applied in heat-resistant water-borne coatings. The properties of hydrolyzates (HPPENK) in different hydrolysis time were characterized by FT-IR and...