Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Weiqi Leng"'
Autor:
Xiang Wang, Weiqi Leng, R.M. Oshani Nayanathara, David Milsted, Thomas L. Eberhardt, Zhao Zhang, Xuefeng Zhang
Publikováno v:
Journal of Agriculture and Food Research, Vol 12, Iss , Pp 100545- (2023)
Each year, agricultural residues such as stalks, husks, and pits/nutshells from food crop harvesting are available on a gigatonne scale worldwide. While biorefinery routes have been used convert agricultural residue carbohydrates into value-added pro
Externí odkaz:
https://doaj.org/article/29e08edea5d94ab380157c0ee7c6427f
Publikováno v:
Polymers, Vol 15, Iss 21, p 4276 (2023)
Natural fiber composites are receiving more and more attention because of their greenness and low cost. Among natural fibers, bamboo is characterized by fast growth, a short cultivation period, high strength and good toughness, and is one of the stro
Externí odkaz:
https://doaj.org/article/a6021ec6c2bb43d2b593d7671524e08c
Autor:
Xiang Wang, R.M. Oshani Nayanathara, Weiqi Leng, Eugene B. Caldona, Liyang Liu, Rigoberto C. Advincula, Zhao Zhang, Xuefeng Zhang
Publikováno v:
Journal of Agriculture and Food Research, Vol 10, Iss , Pp 100452- (2022)
Using lignin for polyurethane (PU) synthesis is challenging because of its heterogeneous structure, i.e., broad molecule weight (MW) distribution and diverse hydroxyl (OH) functionality. This complexity influences the crosslinking reaction between li
Externí odkaz:
https://doaj.org/article/972fd1fb30204b27a47b12bb338f2976
Publikováno v:
Forests, Vol 14, Iss 6, p 1242 (2023)
Furfurylated wood has many advantages, such as decay resistance, dimensional stability, hardness, etc. However, furfurylation increases the brittleness and decreases the flexural resistance of wood, which greatly limits its application. Therefore, ca
Externí odkaz:
https://doaj.org/article/0cf3206b19e6417a983e7be27aa5e7aa
Autor:
Xuefei Jiang, Jing Wang, Ziheng Wang, Feiyue Hua, Sheng He, Buyun Lu, Xiang Wang, Xuefeng Zhang, Weiqi Leng
Publikováno v:
Polymers, Vol 14, Iss 21, p 4641 (2022)
Fast-growing wood has become a major source of materials for the wood industry in recent years, but defects have limited its use. Therefore, modification is urgently needed for the more efficient application of wood products. In this study, a 30 to 5
Externí odkaz:
https://doaj.org/article/0642d20adbdf490abb854f569234090c
Publikováno v:
Journal of Bioresources and Bioproducts, Vol 4, Iss 3, Pp 192-199 (2019)
The Arundo donax is a typical fast-growing species from the family Gramineae, which is widely cultivated in China. With a huge yield of A. donax in China, this plant offers great potential for biofuels production. The different types of organization
Externí odkaz:
https://doaj.org/article/795ce2f07f57454a93eda4c18b3b85a5
Publikováno v:
Forests, Vol 13, Iss 8, p 1204 (2022)
Wood permeability and compressibility are affected by cell wall structure and chemical composition. These properties can be improved by appropriate wood pretreatments. Low-density poplar wood was converted to a more dense structure by the following s
Externí odkaz:
https://doaj.org/article/ee80bb5121064c02adf7a03a8523e807
Autor:
Weiqi Leng, Biao Pan
Publikováno v:
Forests, Vol 10, Iss 2, p 200 (2019)
Cellulose nanofibrils (CNF) modified polyurethane foam (PUF) has great potential as a structural insulated material in wood construction industry. In this study, PUF modified with spray-dried CNF was fabricated and the physical and mechanical perform
Externí odkaz:
https://doaj.org/article/6859f91f79b1460cacc9ccaaf05f15d3
Publikováno v:
Polymers, Vol 9, Iss 11, p 597 (2017)
In this study, traditional polyol was partially replaced with green, environmentally friendly cellulose nanofibrils (CNF). The effects of CNF on the performance of CNF-reinforced polyurethane foam nanocomposites were investigated using scanning elect
Externí odkaz:
https://doaj.org/article/df98c9e866134187b9dc0061e554f863
Autor:
Xuefeng Zhang, Qiangu Yan, Weiqi Leng, Jinghao Li, Jilei Zhang, Zhiyong Cai, El Barbary Hassan
Publikováno v:
Materials, Vol 10, Iss 8, p 975 (2017)
Kraft lignin (KL) was thermally treated at 500 to 1000 °C in an inert atmosphere. Carbon nanostructure parameters of thermally treated KL in terms of amorphous carbon fraction, aromaticity, and carbon nanocrystallites lateral size (La), thickness (L
Externí odkaz:
https://doaj.org/article/82ab57fd9cad471285065dc0a3dee0fa