钙的

If significant amounts of calcium and carbonate are among these minerals, the water is said to be "hard".

如果大量的钙和碳酸盐便是其中矿物质，水是说要"硬"。

Calcium carbonate is the cheapest and most commonly used compounds, its high calcium content, or about 40%.

碳酸钙是最便宜，最常用的化合物，钙含量高，约占40％。

Of a 10 percent solution of calcium chloride .

钙起着重要的生理作用，其中有许多是了解甚少。

Some of the important ones are sodium, potassium , chloride, calcium and magnesium

有些重要的带电粒子是钠、钾、氯化物、钙和镁。

QuZhou DaCheng Calcium Co.,Ltd is a professional manufacturer specialized in producing Calcium Chloride, located in famous historical and cultural city --- QuZhou, ZheJiang Province.

衢州大成钙业有限公司是一家专业提供氯化钙产品的生产厂家，地处历史文化名城——浙江省衢州市。

This Calcium cyanamide made by Germany was perfect fertilizer to peanut.

结论］德国产新型氰氨化钙肥是花生较为理想的肥料。

"Cyanamidealsocyanamid:a caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid."

"氨基氢：一种腐蚀性的酸性晶体化合物，NHCNH，可通过硫酸作用于氢氨化钙制取。"

"Cyanamidealsocyanamid:a caustic acid ic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid ."

"氨基氢：一种腐蚀性的酸性晶体化合物，NHCNH，可通过硫酸作用于氢氨化钙制取。"

Objective To evaluate the effect of fluoride and fluoride plus calcium on serum LPO in ovariectomized rats.

目的 确定氟化物及钙对卵巢切除大鼠血清脂质过氧化物的影响。

Factory covers an area of 50 acres, plant 3800 square meters, registered capital of five million yuan, Guizhou Province are currently the largest manufacturer of calcium fluoride.

本厂占地面积50亩，厂房3800平方米，注册资金500万元，是目前贵州省规模最大的氟化钙生产企业。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。