The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 34
... organic matter formed on the bottom . The lami- nae formed from successive blooms of phytoplankton that caused crystallization of carbonates , and this precipi- tation was followed by a settling out of the planktonic organic residues ...
... organic matter formed on the bottom . The lami- nae formed from successive blooms of phytoplankton that caused crystallization of carbonates , and this precipi- tation was followed by a settling out of the planktonic organic residues ...
Page 49
... organic matter , the adoption of crop rotation , and clean culture are considered important soil - management practices . Soil erosion , caused by water and wind , is a problem in many vegetable - growing regions because the topsoil is ...
... organic matter , the adoption of crop rotation , and clean culture are considered important soil - management practices . Soil erosion , caused by water and wind , is a problem in many vegetable - growing regions because the topsoil is ...
Page 1160
... organic compounds on a tonnage scale is considered feasible , because of their very low thermal conductivity . Workers in Germany have developed zone refiners uniquely adapted to purifying microscopic amounts of organic compounds ...
... organic compounds on a tonnage scale is considered feasible , because of their very low thermal conductivity . Workers in Germany have developed zone refiners uniquely adapted to purifying microscopic amounts of organic compounds ...
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6th century animal architecture artists Asuka period became bronze Bronze Age Buddhist buildings built Byzantine carved cell centimetres central centre century BC China Chinese Christian church Classical colour court courtesy culture Decorative arts dynasty early east eastern emperor example feet Figure French Greek hall Han dynasty Heian period Hōryū-ji important infection influence islands Italy Japan Japanese Kamakura period known Korean Kyōto late later ment metres mosaics motifs Muromachi period Museum Nara Nara period National northern ornament pagoda painters painting palace patterns percent period phage plant political population portraits pottery produced region relief river Roman Rome scenes scroll sculpture Shōsō-in South Vietnam southern stone style Sung surviving T'ang technique temple tion tombs tradition ture Unified Silla Uzbek variation varves vase vegetables Venezuela Venus Vermont vibration Vietnam Vietnamese viral virus viruses Vistula wall ware Western Yüan