The research provides a feasible technical route for the refractory free chrome for rotary cement kilns in our country.
为我国水泥预分解窑高温带用耐火材料无铬化提供了一条可行的技术路线。
Magnesia chrome bricks must be replaced by chrome free basic bricks because of chrome pollution and for utilization of substituting fuel in cement kiln.
为了消除铬公害以及替代燃料的使用，研制水泥窑用碱性砖的无铬化势在必行。
When the free water that penetrates the internal surface can't be discharged in time, the asphalt and cement concrete pavement may suffer water damage. Then pavement is damaged severely.
当自由水渗入路面内部不能及时排出时，沥青和水泥混凝土路面都可能出现水损害，结果导致路面严重破坏。
This paper deals with a new bypass free dry cement producing formula of materials with high sulfur_alkali ratio which has had effect on the clinker formation and roast.
研究了新型干法水泥生产不采用旁路放风而使用高硫碱比物料的工艺配方。
The experimental results show that the latex cement system has a good overall performance, including low loss water, less free fluid, thickening time easy to control, and good rheological property.
实验结果表明，该胶乳水泥浆体系具有良好的综合性能，失水量低、游离液少、稠化时间易于调控、流变性好等。
Both ends of the specimen were mounted, leaving the center 3 vertebrae free. The lower level of free vertebrae was artificially injured and cement augmented.
两组样本的末端被包埋，留下中间3节自由椎体，较低节段的自由椎体被认为的损害并由骨水泥充填。
The result indicated that the high temperature properties of the gypsum-free Portland cement mortar is best.
试验结果表明无石膏硅酸盐水泥砂浆有良好的耐高温性能。
Adopting the microwave to radiate the cement product enables free ions of polar substances in the cement product to move rapidly, thus leading to rapid initial setting of the cement.
以微波对水泥制品辐射，使得水泥制品内的极性物质的游离态离子发生快速运动，使得水泥快速初凝。
Both the tiles and the floor must be clean, dry and dust free. Clean off any grease, paint or pollutants. Prepare the bonding cement.
瓷砖和地板都必须清洁干净，干燥，无尘。清洁掉任何油脂，油漆或污染物。准备好粘合好的水泥。
A new glass cloth laminate was prepared by using benzoxazine as liquid cement, alkali-free glass cloth as backing material, and treating with cement dipping, baking and pressing.
并以苯并恶嗪预聚体为胶液、无碱玻璃布为基材，经浸胶、烘焙、压制制得一种玻璃布层压板。
This invention USES phosphorus residue, steelmaking slag and calcined plaster as components of the clinker-free white cement.
本发明涉及一种水泥新品种，更确切地说涉及一种磷渣钢渣白水泥及其制备方法。
We studied, according to the characteristic of recycled aggregate, the mixture proportion design of recycled concrete on the basis of free water cement ratio.
根据再生骨料的特点，对基于自由水灰比再生混凝土的配合比设计进行研究。
This fly ash can be used in producing high addition fly ash cement, all kinds of free-burned new green wall and floor material as well as preparing high addition fly ash concrete ofm...
该粉煤灰可用于生产高掺量粉煤灰水泥、各种免烧的高强新型绿色墙体材料与地面材料以及配制中低强度等级高掺量粉煤灰混凝土等。
Conclusion: The free bone periosteum-bone marrow mononuclear cells cement ha has a significant osteogenic competence. It can efficiently repair bone defects.
结论：骨膜、骨髓单个核细胞、纳米羟基磷灰石复合的成骨作用优秀，可有效促进骨缺损愈合。
Conclusion: The free bone periosteum-bone marrow mononuclear cells cement ha has a significant osteogenic competence. It can efficiently repair bone defects.
结论：骨膜、骨髓单个核细胞、纳米羟基磷灰石复合的成骨作用优秀，可有效促进骨缺损愈合。
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