1) lithographic limestone
石印灰岩(地)
2) lithographic stone
石印灰岩
3) sublithographic limestone
亚石印灰岩
4) limestone mountainous region
石灰岩山地
1.
The characteristics of the topography,climate,soil and vegetation in Shandong limestone mountainous region are analyzed.
分析了山东省石灰岩山地的地形、气候、土壤和植被的特点。
2.
The limestone mountainous region is the highlight and most difficult point of afforestation.
石灰岩山地是荒山造林的重点和难点。
5) limestone area
石灰岩地区
1.
The practice and understanding of the electrical exploration to seek groundwater in limestone area invaded by igneous rocks
火成岩侵入的石灰岩地区电法找水实践与认识
2.
In limestone area,several methods were applied to improve the environment.
在石灰岩地区实施坡改梯工程,减小地面坡度和缩短地面坡长,降低坡面径流速度和水土流失量;采取局部客土和取石还土措施,增厚土层,改善土壤结构,增大“土壤水库”容量,增加耕地有效面积;修建农田水利工程,形成拦、蓄、灌、排系统网络,做到水不乱流、泥不下山,改善农业生态环境;修建田间道路工程,方便农民生产生活,改善农业生产条件,合理利用土地资源。
3.
Based on years of afforestation experience in limestone area, the author concluded a series of afforestation technology which are listed in the following: The key factor is maching species with the site, Zenia insignis, Cornus wilsoniana, Radermachera sinica, and Pinus elliottii grow well in this area.
文章根据广东省石灰岩地区多年的造林实践和试验 ,总结了在石灰岩地区营造生态公益林的技术。
6) limestone mountains
石灰岩山地
1.
Study and application of information system of ecological rebuilding in limestone mountains.;
石灰岩山地生态重建信息系统研制及应用
2.
Natural secondary forest communities of the limestone mountains in Suzhou administrative area in Anhui Province;
安徽宿州石灰岩山地次生林群落类型研究
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
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
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条