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已读[388] 发布: 2013/06/22 14:59:56
2、含5克纤维和20克碳水化合物,正适合一次甜点。 3、苹果的纤维、果胶、抗氧化物和其他成分能降低体内坏胆固醇并提高好胆固醇含量。 ...5、苹果还含硼,硼是一种有助于保持骨密度和保护心脏免得心脏病的矿物质。 6、苹果里鞣酸能起到保护牙齿防止蛀牙和发生牙龈炎的作用,...
已读[350] 发布: 2013/06/22 14:59:52
美国的一项研讨创造,硼可以大幅度增长血液中雌激素和其他化合物的浓度,这些物资能够有效预防钙质流失。医学专家以为,停经妇女假如天天能够摄取3克硼,那么她们的钙质流失率就可以减少46%,尽经期妇女多吃苹果,有利于钙的吸收和应用,防治骨质疏松。 ...
已读[301] 发布: 2013/06/22 14:59:00
The Asian Age “ Borates may have been important for the origin of life on Earth because they can stabilise ribose, a crucial component of RNA. In early life RNA is thought to have been the informational precursor to DNA,” said James Stephenson, a UHNAI ... ribose is ... and more »
已读[312] 发布: 2013/06/22 14:58:56
GSA Business Borates are a naturally occurring mineral salt mined in California. EPA's small business innovation research program funds innovative research that results in new commercial products, processes and services that protect the environment, benefit the ...
已读[464] 发布: 2013/06/22 14:17:20
Scarborough Today The astrobiologists found the clay, obtained from a meteorite found in Antarctica, contained a chemical called boron. When in its oxidized form boron ... a crucial component of RNA. “In early life RNA is thought to have been the informational precursor ...
已读[373] 发布: 2013/06/16 16:23:37
5、含硼化合物硼酸和甲醇发生脂化反应生成水;6、金属过氧化物卡氏试剂反应生成水;7、消耗碘的物质类物质会和卡氏试剂中的碘反应,导致测定水分含量偏高,如铁盐、...
已读[341] 发布: 2013/06/16 16:20:24
Science Daily (press release) ... they determined boron abundances in these clays are over ten times higher than in any previously measured meteorite. " Borates may have been important for the origin of life on Earth because they can stabilize ribose, a crucial component of RNA ...
已读[315] 发布: 2013/06/16 16:20:07
Business Standard " Borates may have been important for the origin of life on Earth because they can stabilise ribose, a crucial component of RNA. In early life RNA is thought to have been the informational precursor to DNA," said James Stephenson, a UHNAI ... ribose is ... and more »
已读[367] 发布: 2013/06/15 22:22:39
5、含硼化合物硼酸和甲醇发生脂化反应生成水;6、金属过氧化物卡氏试剂反应生成水;7、消耗碘的物质类物质会和卡氏试剂中的碘反应,导致测定水分含量偏高,如铁盐、...
已读[346] 发布: 2013/06/15 22:14:54
Science Daily (press release) ... they determined boron abundances in these clays are over ten times higher than in any previously measured meteorite. " Borates may have been important for the origin of life on Earth because they can stabilize ribose, a crucial component of RNA ...
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