单词 | calcium |
释义 | calcium (kælsiəm ) uncountable noun Calcium is a soft white element which is found in bones and teeth, and also in limestone, chalk, and marble. Losing calcium like this means weaker bones. Image of calcium © Mona Makela, Shutterstock Collocations: calcium deficiency Better signs of calcium deficiency are muscle twitching and cramps. Times, Sunday Times They are certainly not a sign of calcium deficiency, despite a widely held belief to the contrary. Times, Sunday Times Calcium deficiency tends to be worse in peatfree composts. The Sun It's called bitter pit and caused by calcium deficiency. The Sun They are characterized by rather brittle ivory and short tusks, perhaps due to calcium deficiency in the soils. Retrieved from Wikipedia CC BY-SA 3.0 It typically causes deteriorating vision as the calcium deposit at the front of the eye becomes increasingly dense. Times, Sunday Times Or, if you live in a hard-water area, calcium deposits may have built up and caused greyness. Times, Sunday Times I suspect it's to do with calcium deposits building up in the faucet aerator. Times, Sunday Times As you age, less blood circulates to your joints and calcium deposits can form, leading to stiffer muscles and joints. The Sun They found that the likelihood of there being calcium deposits in the arteries grew in direct proportion to the increase in waist-to-hip ratio. Times, Sunday Times During suppression, neuronal pumps restore the calcium ion concentrations to normal levels, thus causing the cortex to be subject to the process again. Retrieved from Wikipedia CC BY-SA 3.0 When in solution, the calcium ion varies remarkably to the human taste, being reported as mildly salty, sour, mineral-like or even soothing. Retrieved from Wikipedia CC BY-SA 3.0 Also, annexins have been shown to be involved in trafficking and organization of vesicles, exocytosis, endocytosis and also calcium ion channel formation. Retrieved from Wikipedia CC BY-SA 3.0 So long as internal calcium ion concentrations remain at an elevated level, the neuron will continue to undergo periods of rapid spiking. Retrieved from Wikipedia CC BY-SA 3.0 The catalytic domain contains two zinc ions and at least one calcium ion coordinated to various residues. Retrieved from Wikipedia CC BY-SA 3.0 Anyone can easily find the correct answer by taking a calcium supplement for a few weeks themselves. Times, Sunday Times Also, dust the lizard's prey with a calcium supplement specifically for reptiles as indicated by the manufacturer. Retrieved from Wikipedia CC BY-SA 3.0 A bird-pellet diet with a calcium supplement provides proper nutrition and should comprise 60-70% of their diet. Retrieved from Wikipedia CC BY-SA 3.0 One group was allocated calcium supplements, and the other a placebo. Times, Sunday Times Some calcium supplements are also being sold in doses larger than the recommended daily intake of 800mg. Times,Sunday Times Supplements containing calcium citrate or calcium malate are more easily absorbed than those containing calcium carbonate. Times, Sunday Times (2009) Most of the recipes in this book are made from ingredients which contain calcium. Asthma and Eczema - special diet cookbook (1989) The other group of silicate coatings contained calcium nitrate and triethyl phosphate. 2012, 'COMPARISON OF SOL-GEL SILICATE COATINGS ON Ti SUBSTRATE', Ceramics-Silikáty Calcium citrate supplements can be taken with meals if dietary calcium can not be increased by other means. Retrieved from Wikipedia CC BY-SA 3.0 Oyster shells have enjoyed recent recognition as a source of dietary calcium, but are also a practical industrial source. Retrieved from Wikipedia CC BY-SA 3.0 Finally, in addition to providing a source of dietary calcium, the lime reacts with the corn so that the nutrient niacin can be assimilated by the digestive tract. Retrieved from Wikipedia CC BY-SA 3.0 Translations: Chinese: 钙 Japanese: カルシウム |
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