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- Using rice husks of agricultural wastes as the raw material, a new kind of gel material was prepared by activate treatment through mechanochemistry. 摘要采用农业废弃物稻壳为原料，通过机械化学活化处理，制备出了一种新型胶凝材料。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- Many natural materials are becoming scarce. 许多天然原料越来越少。
- The beautiful curtain is made of remnant materials. 这个漂亮的窗帘是用零头布做的。
- A selective plugging agent was prepared from polyhydroxy - compound as gelling material and cross -linking agent BF. 用多羟基化合物作成胶剂与交联剂BF配制了选择性堵水剂。
- Some synthetic materials do not crush easily. 有些化纤衣料不易起皱。
- Experiment shows that with the increment of substituted spontaneous combustion gangue powder for cement, the water demand of gelled material system is increased gradually. 试验结果表明，随着自燃煤矸石粉取代水泥量的增加，胶凝材料体系需水量逐渐增大。
- Everything we used was made from natural materials. 我们所用的一切都是由天然材料做成的。
- He buys the materials wholesale. 他成批地购买原材料。
- He is collecting materials for a book. 他正在为写书搜集素材。
- Building materials are expensive. 建筑材料很昂贵。
- In the process of the alkali activates fly ash to produce the cementitious materials,the aluminosilicate gel plays a cementitious role,it is produced during the course of alkali reacts with fly ash. 碱激发粉煤灰产生胶凝材料的过程中起胶凝作用的是硅铝酸凝胶,它是碱与粉煤灰中的硅、铝质反应时产生的。
- A bin for storing ore, grain, or other materials. 仓库储放矿石、谷物或其它材料的大箱
- He is gathering materials for a new book. 他正在收集资料准备写一本新书。
- Environmentalists are keen on degradable materials. 环保分子特别喜爱能够自然分解的材料。
- Recycled materials are mostly of limited use. 再生材料大多用途有限。
- Experiment on fly-ash gel material for sealing and filling coalmine fire zone 矿井火区粉煤灰胶体充填封堵材料的试验研究
- Cyclization occurs readily with dilute alkali. 遇到稀碱就容易环化。
- The acid and alkali are combined into salt. 酸与碱化合成盐。
- All the raw materials are imported. 所有原料都是进口的。
