【纪录片 造就人类的水分子 全三集 H2O, The Molecule That Made Us 1-3 1080p 双语特效字幕】水之脉搏:http://t.cn/A6H6YHBv 水的循环仿佛地球的脉搏,造就生命、形成气候、塑造地貌,甚至改变地球的历史。文...
官方网站:https://www.pbs.org/show/molecule-made-us/ 制片国家/地区:美国 语言:英语 首播:2020-04-22(美国) 集数:3 单集片长:60分钟 IMDb:tt11952226 豆瓣评分 暂无评分 在看看过 评价: 写短评 写影评 分享到 推荐 H2O: The Molecule That Made Us的分集短评· ··· 1集2...
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bonding, as it is called, has also been observed in other hydrogen compounds. Although considerably weaker than the covalent bonds holding the water molecule together, hydrogen bonding is strong enough to keep water liquid at ordinary temperatures; its low molecular weight would normally tend to ...
And because ‘climate’ is defined as the average of 30 years of ‘weather’, it is the water vapor molecule, H2O, that changes climate. Water vapor creates differences in the density of air, like salinity creates differences in the density of ocean water. Both water vapor and salt create...
The presence in the umbral spectrum of lines from the vibration-rotation bands of the H20 molecule has been reported by several authors and the problems of identification discussed by them (Mallia and Blackwell, 1970; Mallia et al., 1970; W6hl, 1969; Wt~hl, 1971). These identifications have...
Many previous studies have suggested that the H+(H2O)21 cluster takes shape of a configuration in which an Eigen-state cation H3O+, whose O-H bonds are hydrogen-bonded to three H2O molecules, tends to reside on the surface of a dodecahedral cage containing one interior H2O molecule29,30,...
A spectroscopic search for H 2O and CH 4 in Comet Kohoutek (1973f) was made using a Pepsios interferometer. No evidence was found for either molecule, allowing us to set an upper limit on their production rates (on about 21 January 1974) of Q(H 2O) < 6.2 × 10 28 sec 1 and Q...
As a main materials in fertilizer, magnesium is an essential element in the chlorophyll molecule, and sulfur is another important micronutrient.It is most commonly applied to potted plants, or to magnesium-hungry crops, such as potatoes, roses, tomatoes, lemon trees, carrots, and ...
may have one or more atoms split from the molecule or the entire molecule split apart when subjected to the energy of electricity passing from one plate to another. Since the type and number of fluids and molecules in the fluid may vary greatly from site to site, it is not needed to des...