And,they said vitamin D supplements and calcium can protect the bones of older women.

VOA: special.2009.04.21

The ones that are most important in physiology are ones that only allow ions to go through: sodium, potassium, chloride, calcium, bicarbonate.

在生理学上这种,只能允许某种离子通过的通道十分重要,这些离子包括钠离子,钾离子,氯离子,钙离子和碳酸氢根离子

耶鲁公开课 - 生物医学工程探索课程节选

That gives us 1 mole of calcium oxide and 1 mole of carbon dioxide.

摩尔的氧化钙,和1摩尔的二氧化碳。

麻省理工公开课 - 固态化学导论课程节选

Bones need calcium and vitamin D to grow and reach their full strength.

VOA: special.2009.02.04

They would be things like calcium phosphorous, potassium, sodium, etc.

比如钙,磷,钾,钠等等这些

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Dolomite is also a low-cost way to supply calcium to young tomato plants.

VOA: special.2011.06.14

This conversion from a mechanical energy into a chemical energy can be nicely visualized when one fills a hair cell with a sensitive die that responds to the calcium ions that influx into the cell.

如果在毛细胞中注入,对钙离子敏感的物质,可以精确地模拟,这一机械能到化学能的转化过程。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

The minerals calcium and sulfur were at the bottom of the ocean.

VOA: special.2010.01.04

So what we know is that these 3 d orbitals are higher in energy than 4 s orbitals, so I've written the energy of the orbital here for potassium and for calcium.

我们所知道的是,3d轨道能量,比4s轨道能量高，所以我写出了,钾和钙的轨道能量。

麻省理工公开课 - 化学原理课程节选

Calcium is needed for nerve and muscle cells to work normally.

VOA: special.2009.04.21

So, there's 1 mole of calcium carbonate.

这儿有1摩尔的碳酸钙产生。

麻省理工公开课 - 固态化学导论课程节选

Vitamin D increases levels of the element calcium in the blood.

VOA: special.2009.04.21

We will get 100.1 g of calcium carbonate and then discover that we have 56.1 g of calcium oxide, and 44 g of carbon dioxide.

00。1g的碳酸钙,将得到56。1g的氧化钙，和44g的二氧化碳。

麻省理工公开课 - 固态化学导论课程节选

The calcium and sulfur remained. The minerals formed gypsum rock.

VOA: special.2010.01.04

Some orange juice,bread and cereals may have calcium added.

VOA: special.2010.08.31

The base grows as more calcium carbonate is released.

VOA: special.2010.08.10

Gypsum sand is made of softer calcium sulfate.

VOA: special.2010.01.04

Some people take pills containing calcium.

VOA: special.2010.08.31

"Vitamin D has become a very hot topic in medicine now as we are discovering very high levels of vitamin D deficiency in our population, not only in the U.S.,but worldwide" Vitamin D helps our bodies absorb calcium and helps form and maintain strong bones.

VOA: standard.2010.05.28