Professors sand teachers usually lecture from an outline they've prepared ahead of time.
教授和老师讲课通常从一个他们已经提前准备的提纲开始。
At last, experiments of suspending sand with thickener were done and excellent sand slurry for mine fire control was prepared.
最后，用悬砂稠化剂进行了悬浮山砂的实验，制备出具有优良防灭火性能的稠化砂浆。
The cast ingots prepared using sand mould and metal mould were analyzed to investigate the effect of cooling rates on morphologies and characters of M2C eutectic carbides in M2 high speed steel.
采用砂型和金属型铸造制备m 2高速钢铸锭，研究了冷却速度变化对高速钢m 2c共晶碳化物形态及性质的影响，探讨了M2C共晶碳化物形态变化的机理。
The cushion layer for the dam is constructed with the material prepared mainly with natural sandy gravel and mixed with proper amount of pebble and coarse sand.
大坝垫层料采用以天然砂砾料为主、掺入小石和粗砂以调整级配的方式生产。
A kind of micro-porous permeable material is prepared based on common features of existing permeable materials and taking dense accumulation of fine sand as the matrix and epoxy resin as binder.
根据已有透水材料的共同特点，以细砂密集堆积体为基质，环氧树脂为胶结料，制备出一种微孔透水性材料。
The pavement cement concrete is usually prepared by sand, stone, cement, water, feed mixing process, the quality fluctuates easily.
路面水泥混凝土通常是按砂、石、水泥、水一次投料的搅拌工艺制备的，其质量容易波动。
The sodium silicate sand prepared with higher modulus sodium silicate has advantages of low residual strength, short CO2 blowing time, high moisture absorption ability and surface stability.
使用较高模数的水玻璃混制的型砂具有残留强度低、吹CO2时间短等优点，并有好的抗吸湿性和表面稳定性。
A new kind of sand condensate was prepared using bakelite and inorganic clay as main ingredients with standard quartz sand as carrier.
以标准石英砂为载体，由酚醛树脂、无机粘土为主要成分制备出有机-无机复合防砂固砂剂。
Concretes of C30 and C60 were prepared with iron mine tailings as fine aggregate and coarse aggregate and with natural sand and common crushed stone separately.
分别以铁尾矿砂和铁尾矿石代替天然砂和普通碎石配制了C30和C60两个强度等级的混凝土。
High performance mineral polymer can be prepared while the content of sodium silicate in the alkaline liquid and the standard sand in the solid materials are both kept around 70%.
硅酸钠水玻璃在液相中的比例约为70%，且标准砂占固相的比例为70%左右时，可制得力学性能良好的矿物聚合材料。
The carbon black dispersion for aqueous ink was prepared by sand mill.
通过砂磨分散研制了配制水性墨水用的水性炭黑色浆。
Surface viscous acid has been prepared by mixing thickening agent (PAM) and cross? Linking agent (GL-5) with acid, which has the function of retarding reaction rate and sand prevention.
表面稠化酸是将稠化剂(PAM)、交联剂(GL - 5)加到酸中配制而成，它具有缓速酸化和防砂作用。
The burnability of the cement raw meal prepared by shale or yellow-sand has been studied in this paper.
本文研究了以黄沙或页岩代替粘土质原料配制水泥生料的易烧性。
He has prepared a special core sand and solved the problem of cleaning blind holes successfully.
配制了专用芯砂，成功地解决了异型盲孔的清砂问题。
The concrete with sewer sludge fully replacing of natural sand was prepared for the purpose of harmless management, resources utilization and industrialization of city sludge.
采用管沟污泥等量替代天然细集料，制备了掺管沟污泥的水泥混凝土。
The block is prepared with pulverized fuel ash, natural silica sand and lime through steaming and pressing with a pressure vessel. In particular, a simulated stone layer 3 is added outside the block.
所说的砌块是由粉煤灰、天然硅沙和白灰经高压容器蒸压而成，特别是在砌块的外层有一层仿石层3。
The invention provides a soilless sod culture medium prepared by urban waste compost and sand.
本发明提供了一种无土草皮栽培基质，是利用城市垃圾堆肥和沙子制成。
Militants appeared to have prepared firing positions, some on the exterior fortified with sand bags.
看上去武装分子早就选好了交战地点，一些人藏在外面由沙袋构成的防护墙里。
A new sand - consolidating agent with heat resistance was prepared in accordance with sand production in high temperature sandstone reservoir. The optimum formulation was obtained by orthogonal tests.
针对高温砂岩油藏出砂特点，研制了一种新型高温固砂剂，用正交试验法优化了固砂剂配方。
Tar sand oil was extracted from the Xinjiang tar sands and some kinds of asphalt products with special uses and higher value were prepared from the said oil.
以新疆小西沟、风城两种油砂为原料，利用甲苯抽提制取的油砂稠油研制开发高价值的特种沥青产品。
Tar sand oil was extracted from the Xinjiang tar sands and some kinds of asphalt products with special uses and higher value were prepared from the said oil.
以新疆小西沟、风城两种油砂为原料，利用甲苯抽提制取的油砂稠油研制开发高价值的特种沥青产品。
应用推荐