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- In this paper the author determinesremain-strength cure of the sodium silicate dolomite sand, and presents the method of improving collapsibility. 本文测定了水玻璃白云石砂的残留强度曲线,并提出了进一步改进其溃散性的方法。
- In this paper the author determines remain-strength cure of the sodium silicate dolomite sand, and presents the method of improving collapsibility. 本文测定了水玻璃白云石砂的残留强度曲线,并提出了进一步改进其溃散性的方法。
- The collapsibility of the sodium silicate dolomite sand is controlled by the size, wall, pouring temperature, capacity for sand and draw time of the cast. 证明水玻璃白云石砂的溃散性与铸件的大小、壁厚、浇注温度、吃砂量和打箱时间有关。
- siliceous dolomite 硅质白云岩
- The hard, siliceous bivalve shell of a diatom. 硅藻细胞壳硅藻的坚硬含硅的硬壳
- The hard,siliceous bivalve shell of a diatom. 硅藻细胞壳硅藻的坚硬含硅的硬壳
- Gritrock is siliceous sandstone. 粗砂岩是硅酸砂岩。
- A major topic is the origin of dolomite. 主要话题是白云岩的起源。
- Lidan, dolomite, Li Shi metres mining processing. 理石、白云石、理石米开采加工。
- It isn't limestone, it is dolomite. 这不是石灰岩,是白云岩。
- Scope: Dolomite mining. Dolomite mining. 经营范围:白云岩开采。
- Dolomite, bentonite reserves a great deal of money. 白云岩、膨润土储量也相当可观。
- A siliceous volcanic ash used to produce hydraulic cement. 火山灰水泥,火山石用来生产水硬水泥的含硅火山灰
- Locally dolomite and anhydrite are important as cements. 局部地方白云石和硬石膏也是重要的胶结物。
- A siliceous rock of chalcedonic or opaline silica occurring in limestone. 硅石出现在灰岩中的玉髓或蛋白色硅石
- We found calcite, dolomite and a few cinnabar samples there. 我们在洞内找到一些方解石、白云石及少量辰砂晶体。
- The host rock conformably overlies a band of siliceous chertybrecia. 含矿主岩整合地上覆于硅质燧石角砾石带之上。
- A white or grayish opaline siliceous deposit formed around natural hot springs. 硅华一种形成于天然温泉周围的白色或浅灰发乳色光的硅沉淀物
- The host rock conformably overlies a band of siliceous cherty breccia. 含矿主岩整合地上覆于硅质燧石角砾石带之上。
- The calcareous and siliceous rock deposits of springs, lakes, or ground water. 泉华泉、湖或地下水中的。