Contracture occurs when the efflux of calcium is prevented by removing the extracellular sodium.
如果除去细胞外液的钠而阻止钙外流，就会出现肌肉挛缩了。
2
This paper introduced technical status and prospect of removingcalcium from crude oil, and compared on above-mentioned technic.
介绍了国内外原油脱钙工艺技术的现状及进展，并对各种脱钙工艺进行了比较。
3
The three mixed releasing reagent systems of removing interference of aluminium in the atomic absorptive spectrometric determination of calcium were studied with simplex optimization.