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- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏,包括黄金。
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。
- There are rich mineral deposits in this region. 这一带地下埋藏着丰富的矿产。
- The country possesses rich mineral deposits. 这个国家拥有丰富矿藏。
- They have discovered rich mineral deposits. 他们已发现丰富的矿物沉淀。
- Yichun rich mineral resources, unique landscape. 伊春矿产资源丰富,地貌景观奇特。
- China possesses rich mineral deposits, including gold. 中国拥有丰富的矿藏,包括黄金。
- Research about the effects of mineral admixture on the compressive strength and pore porosity of low-temperature concrete without antifreeze. 摘要目的研究了在不掺防冻剂的情况下,掺合料种类及掺量对低温沉凝土强度及孔隙率的影响。
- Mineral admixture plays an important role in applying concrete with high performance cementitious material. 摘要加人适当矿物掺合料是使水泥基材料达到高性能的重要手段之一。
- Mineral admixture is one of the necessary compositions of the high performance concrete. 矿物掺合料是高性能混凝土的必备组分之一。
- In this experiment,the abrasion resistance of concrete mixed with expansive compound mineral admixture is studied. 试验研究了添加膨胀组分的复合矿物掺合料的混凝土耐磨性能。
- The effects of Water-cement(w/c) ratio and mineral admixture on the frost resistance of concrete were studied. 研究了水灰比、掺合料、引气剂对混凝土抗冻性能的影响。
- The conclusion shows the method fits and the mineral admixture can reduce the pore porosity of concrete and improve the compactibility and freezing resistance of concrete. 结论对于混凝土冬季施工更合适未用自然变低温养护的方法,掺入适量的掺合料能使混凝土孔隙率显著降低,使混凝土更加密实,提高混凝土的抗冻性。
- Only when the Ca(OH)2 in the system is very small,it is possible that the mineral admixture can inhibit alkali-silica reaction effectively. 只有当Ca(OH)2含量低到一定程度时,混合材才有可能抑制碱-硅反应膨胀。
- In this paper the usability of a quarry dust limestone powder in concrete applications substituted for fly ash as mineral admixture is investigated. 为了有效利用石粉资源,本文对石灰岩石粉代替粉煤灰作混凝土矿物掺合料的可用性进行了研究。
- But now, the research about improvement of mineral admixture on slump loss is mostly limited to its optimizing chemic elements of cement. 但是目前关于矿物掺合料对坍落度损失的改善机理仅主要局限于其对水泥化学组份的优化效应。
- Contrast four types of mineral admixture under different replace level: the effectiveness and rules of the suppressing impact to the ASR. 3、分别考察了四种类型的混合材在不同取代水平条件下对ASR抑制效果的有效性和规律。
- The classification, mechanism of expansion, role of Ca(OH)_2 and the preventing mechanism of mineral admixture for alkali-aggregate reaction were reviewed in detail. 本文详细评述了碱-集料反应的分类、膨胀机理、Ca(OH)_2的作用和混合材的抑制机理。
- Rich mineral resources, granite, tuff, 15 kinds of marble, and other non-metallic mineral and metal mining. 矿产资源丰富,有花岗石、凝灰岩、大理石等15种非金属矿和金属矿。
- This paper concentrates on the influence of mineral admixture(such as fly ash,blast furnace slag and silica fume) on fluidity and one day early strength of cement mortar. 本文在试验的基础上研究了矿物掺合料单掺和复掺时对水泥胶砂流动性及1d早期强度的影响。