Rice hulls are part of the rice seed. The hull protects the grain during the growing season from pests. The hull is formed from hard materials, including opaline silica and lignin. The … 展开

• Rice-hull bagwall construction
• Winnowing barn 展开

• The Rice Hull House where rice hulls are used for insulation
• Uses for rice husk ash, or RHA
• Rice hulls used in cutting tool industry 展开

Ash
Combustion of rice hulls affords rice husk ash (acronym RHA). This ash is a potential source of amorphous reactive silica, which … 展开

• Ma, Jian Feng; Kazunori Tamai; Naoki Yamaji; et al. (2006). "A silicon transporter in rice". Nature. 440 (7084): 688–691. Bibcode: 展开