单词:subenamel membranes
单词:subenamel membranes 相关文章
Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's
Science and Technolgy. 科技。 Deep-sea exploration. 深海探索。 The age of Aquarius 1. 宝瓶时代1。 Inner space is almost as hard to explore as outer space. 探太空难,察深海亦不易。 JAMES CAMERON knows how to make a splash. Lit
By David McAlary Researchers have shown that it may be possible to prevent sexual transmission of the AIDS virus HIV with a compound now in the experimental stage. Female monkeys who received it vagin
Enamel prisms - rod-like bundles of hydroxyapatie crystals which are orientated at right angles to the tooth surface. Each prism can be traced from the outside of the enamel all the way to the dentine
Calcium-binding proteins - proteins which have the ability to store calcium ions and to bind onto calcium in the hydroxyapatite of the enamel surface. Calculus - a hard deposit of calcified plaque whi
Rest Position - a position the jaw adopts when at rest with the lips lightly together. Reticular fibres - are fine type III collagen fibres forming a net-like supporting framework or reticulum. They a
This is Scientific Americans 60-Second Science. Im Karen Hopkin, this will just take a minute. Anyone whos ever cut up an onion knows that some smells can actually be painful. Now, researchers from Baltimore and Denver are closer to understanding why
When people suffer from a migraine, they often retire to a cave-like dark room. But exactly why does bright light hurt the migraine sufferer? A possible answer was published this week in the online issue of journal Nature Neuroscience. A big clue was
If you sucked all of the moisture out of your brain and broke it down to its constituent nutritional content, what would it look like? 如果将你大脑里所有的水分都吸干,然后按不同的营养成分进行分类,会是怎样呢? Mos
Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌,而不单单是排除细菌 MORE than a billion peopl
Researchers in Sydney are leading a new international effort to make desalination more environmentally friendly. Current techniques tend to use excessive amounts of energy or are heavily reliant on chemicals. The University of Technology in Sydney is
Countless arguments have been waged over the superiority of one beverage over the other. But what does the scientific evidence say? 关于这两种饮料孰优孰劣的问题已经引发了无数争论。但是科学证据是怎样的呢? George Or
Before I talk about that, 谈到这之前 I've written down at the bottom there 我在底下标出了 the slope of this curve, this straight line. 这条曲线的斜率,即这条直线 It's three-quarters, roughly, 大约为3比4 which is less than
When, in 1960, still a student, 1960年我还是学生时, I got a traveling fellowship 拿到出国留学的奖学金, to study housing in North America. 研究北美的住宅建筑。 We traveled the country. 我们游遍美国, We saw public
When you're out to eat, ordering a vegetable soup is a way healthier move than reaching into the bread basket. But it's not just about the calories you'll save. Hot liquids can also help you feel more full, so you'll actually eat less by the time you
Big Red The first time we set eyes on Big Red, father, mother and I were trudging through the freshly fallen snow on our way to Hubble's Hardware store on Main Street in Huntsville, Ontario. We planned to enter our name in the annual Christmas drawin
Deep-sea exploration 深海探索 The age of Aquarius 1 宝瓶时代1 Inner space is almost as hard to explore as outer space 探太空难,察深海亦不易 Have you seen Camerons latest? 卡梅隆的新作你看了吗? JAMES CAMERON knows how t
Science and technology 科学技术 Microbiomics 微生物组学 A virus shield 病毒防护 Viruses help keep people disease-free 病毒能够帮助人类免遭疾病 THE story of the microbiomethe community of tiny organisms that coexist symbiotica
IF CALIFORNIA were not already so famous for Silicon Valley and Hollywood, it might be renowned for the cluster of water-technology firms in its San Diego County. The reverse-osmosis (RO) spiral module, the trick that underpins turning sea- and waste