以下为句子列表：
英文: Coal ash is mainly used in the fields of building materials, road engineering, construction engineering, agricultural application, environmental protection, fine chemical engineering, resources recycling, etc.
中文: 粉煤灰主要被用于建筑材料、道路工程、建设工程、农业应用、环境保护、精细化工、资源回收等方面。
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英文: For dual energy Gamma ray coal ash gauge, the error induced by inten sity averaging is consisted of two parts, the error caused by thickness change and by ash content change The magnitudes of the two errors are compared using app roximate analytical expre
中文: 定向断裂爆破技术是利用聚能管改变巷道周边眼装药结构，爆破时，利用聚能作用控制裂隙的方向和数量，以获得较好的爆破效果的技术；它与传统的光面爆破技术有较大的差别。
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英文: “Coal Ash China”disseminates policies and rules for fly ash and industrial solid wastes recycling, presenting new achievements in research,design, production, construction, education and management in related aspects, exchanging and discussing advanced ex
中文: 来上海的粉煤灰<粉煤灰》主要宣传粉煤灰及工业固体废物再生利用的政策、法规；介绍有关方面的科研、设计、生产、施工、教学、管理的新成果；交流、讨论国内外先进经验和技术；报道最新的科技动态和成果。
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英文: Efficiency of nutrition and heavy metal variable features in coal ash stacking yard during vegetation restoration
中文: 粉煤灰堆场植被恢复过程的养分效应及重金属变化特征
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英文: Effects of applying coal ash and fertilizers on soil microbial biomass and enzyme activity
中文: 粉煤灰结合施肥对土壤微生物和酶活性的效应
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