石灰石

It indicates that when the pseudoleucite syenite was sintered at 760-880 ℃ for 1.0-1.5 h,with the sodium carbonate as the additive,the decomposition rate of minerals in the pseudoleucite syenite could reach 97.1%.

在综合分析假白榴正长岩物相组成的基础上，以碳酸钠为助剂，分解假白榴正长岩中主要矿物相，对其进行热力学分析，并与石灰石烧结法进行比较。

The raw material is limestone because of its low-price, the product-gypasum is reliable enough to take the palce of natural gypasum.

采用价廉易得的石灰石为原料，脱硫产物石膏品质优良，可代替天然石膏使用。

Description of project: PCC is produced by carbonation, with limestone as raw material. It is mainly used as filler in the manufacturing procedure of rubber, plastics, paper and paints, inks and other industrial produces. Meanwhile, it could be applied to the production of daily chemical products such as tooth powder, toothpaste cosmetics, as well as the organic synthesis, metallurgy, glass, asbestos and ect.

项目概述：轻质碳酸钙是以石灰石为原料，用碳化法制得，主要用于橡胶、塑料、造纸和涂料、油墨等工业中作填充剂，并可用于牙粉、牙膏、化妆品等日用化工制品中，还可以用于有机合成、冶金、玻璃和石棉生产中。

Application:for marble,travertine,ceramic,soft stone etc.

适用于切割大理石、石灰石、陶瓷、软石头等。

We want to buy Natural Stones Including Marble, Travertine, Limestone, Onyx Stones and Antiquated Mosaic Tiles.

我们要采购天然的石头包括大理石，石灰华，石灰石，镐玛脑石头和旧式的摩西砖瓦。

Spires of limestone tufa rise from the shores of California's Mono Lake.

图为石灰石泉华柱耸立在加利福尼亚的莫诺湖之滨。

Eons pass before carbon, buried in the Earth's crust, issues as a gas from a volcanic vent in New Zealand, or locked up in limestone, erodes off mountains.

千万年前的碳，埋在地球的外壳，作为一种气体从火山喷火口在新西兰，或锁定在石灰石，侵蚀了山区。

On the mainland, from Tallinn westwards there are a number of yellowish-grey and greenish-grey limestone sources.

在大陆上，塔林往西的许多石灰石是淡黄灰色和绿色灰色。

The experimental result shows that sulfuring rate from coke to hot metal reduces with witherite and CaCl2 addition in coke making, but the sulfuring rate increased with lime stone.

结果表明，在实验条件下，加入毒重石和CaCl2的焦炭能降低焦炭向铁水渗硫率，减少进入铁水中的硫含量；而加入石灰石的焦炭中硫进入铁水中含量较多。

The two high-pressure roll mills have been served for grinding of wolframite and limestone.

现已有两台高压辊磨机用来处理黑钨矿和石灰石。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。