1)  limestone area
灰岩区
2)  limestone areas
石灰岩区
1.
Scientific analysis was carried out in respect to the seepage mechanism limestone areas storage project; waterpower connection of surface and underground water resources in limestone area was clarified various economic and technological indexes were determined rationally.
通过对石灰岩区蓄水工程渗漏机理进行了科学分析 ,摸清了石灰岩区地表水资源和地下水资源的水力联系 ,经济合理地确定了防渗处理的各项经济技术指标 ,并总结出一整套科学完整的施工工
3)  limestone region
石灰岩区域
4)  limestone flora
石灰岩区系
5)  the limestone region in Taihang mountain
太行山石灰岩区
1.
In allusion to the problems of the limestone region in Taihang mountain in Hebei: the soil was dry and poor, the soil depth was thin and the cover rate of vegetation was low, through investigation on the spot and farm experiment in Daqing mountain in Beishuiyu village in Mancheng county, studied the technology of vegetation recovery in the limestone region in Taihang mountain.
本文针对河北省太行山石灰岩区土壤干旱贫瘠、土层薄、植被覆盖率低的问题,通过在满城县北水峪村大青山试验区进行实地调查和田间试验,研究了太行山石灰岩区植被恢复的关键技术。
6)  limestone
灰岩
1.
Characteristics of burial dissolution in the Ordovician limestone of Tahe Oilfield;
塔河油田奥陶系灰岩埋藏溶蚀作用特征
2.
Study and field test of integrated plugging and acidizing technology in fractured limestone reservoir;
裂缝性灰岩油藏堵水酸化联作技术研究与试验
3.
Study on oil/gas-bearing of lacustrine ooide-limestone of Member 1 of Shahejie Formation in Dongxin Oilfield;
东辛油田下第三系沙一段湖相鲕粒灰岩的含油性
参考词条
补充资料:化工灰岩矿
分子式:
CAS号:

性质:一种以方解石为主要矿物组分的非金属矿产。常含少量的白云石、菱镁矿等。包括电石灰岩和制碱灰岩。化工灰岩矿一般品位指标见表。用露天开采法,一般不选矿或用洗选法处理。用于制造碱、电石、轻质碳酸钙,还可用作催化剂、漂白粉、钙质饲料及其他化工原料。项  目电石灰岩(以氧化钙计)/%制碱灰岩(以碳酸钙计)/%边界品位5288工业品位5490

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