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1)  modified lava media
改性火山岩滤料
1.
Study on influencing factors of modified lava media for iron and manganese removal from mine water
改性火山岩滤料去除矿井水中铁锰离子影响因素研究
2)  filtration material of iron coated modified volcanic rock
涂铁改性火山岩滤料
3)  zeolite-lava BAF
沸石-火山岩双层滤料
4)  volcanic lithology
火山岩性
1.
The essay based on the long coring of Yingyi section in the Xujiaweizi area of Songliao basin, analyse the characteristic of the volcanic lithology and volcanic facies through the observation and description of drill core,do research on the distribution of volcanic facies.
本文以松辽盆地北部徐家围子断陷营一段长井段取心火山岩岩心为基础,通过岩心观察描述及镜下鉴定,分析了该区的火山岩性及火山岩相特征,并对火山岩相在平面上的分布进行了研究。
5)  volcanic rock
火山岩岩性
1.
Only 65 percent volcanic rocks can be i.
岩性是测井储层评价的基础,在火山岩油藏的测井评价过程中,由于火山岩岩性定名方法的不统一以及岩性识别方法的不完善,使火山岩油藏的测井评价难以开展。
2.
In recent years, volcanic rock reservoir exploration has become a hot spot in Turpan-Hami Oilfield, and breakthrough has been made in different strata ofvolcanic rock reservoir.
准确确定火山岩岩性是火山岩岩性储层精细评价的基础,也是测井评价的主要难点。
6)  modified filter media
改性滤料
1.
Discussion on fluoride removal technique with modified filter media;
改性滤料除氟技术的探讨
2.
A conception that zero-valence iron nonoparticle,as a kind of modifier,can be used as modified filter media is put forward.
简要叙述了纳米级零价铁的制备方法,并提出了把纳米级零价铁做为改性剂改性滤料的设想。
3.
The removal efficiency of phosphorus in drinking water by modified filter media, especially iron oxide-coated sand has been studied.
试验研究了三类改性滤料及涂铁改性石英砂对饮用水过滤去除微量磷的效果。
补充资料:双层滤料滤池
分子式:
CAS号:

性质:一种下流式重力深床滤池。其构造与操作与快速滤池相同。这种滤池上层滤料密度较轻(无烟煤、陶粒或塑料等),下层滤料为砂。过滤速度为10m/h,反冲强度为48~72m/h。其截污能力比一般快速滤池可提高2~2.5倍。在对生物处理后的出水进行过滤时,需采取某种形式的辅助冲洗措施。

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