If an air-entraining cement is heavily whisked, as much as 60 per cent of air may be drawn into the concrete.
如果極力攪拌加氣水泥，則混凝土中的含氣量可達(dá)60％。
In countries air-entraining cement can be bought from the cement maker, no air-entraining agent needs to be mixed in.
在一些國(guó)家中，可以從水泥制造廠處買(mǎi)到加氣水泥，而無(wú)須中間人介入。
On Cement Concrete Admixtures and Adaptability of Cement
論水泥混凝土外加劑與水泥的適應(yīng)性
testing method for air content of hydraulic cement mortar
水泥空氣含量測(cè)定法
These rivers of concrete make flooding worse and cities warmer.
這些“水泥河”使河流泛濫更加嚴(yán)重，使城市的氣溫升得更高。
Others include oil and gas refineries and cement makers. Some business leaders worry that electricity costs will increases.
包括石油、然氣廠以及水泥企業(yè)。一些工商界人士擔(dān)心電力成本增加。
Humidification: Addition of water vapour to air.
加濕:在空氣內(nèi)加入水氣。
Study of the Mechanism of Interaction between Shape Steel and Cemented Soil of Reinforced Cemented Soil Retaining Wall;
加筋水泥土擋墻型鋼與水泥土作用機(jī)理研究
Study on Carbon Dioxide Fluxes Across Water-air Interface in Nihe Reservoir
泥河水庫(kù)水—?dú)饨缑鍯O_2通量研究
Mix the sand and cement together, then add water.
把沙子和水泥混在一起再加水.
Experimental Study on Unconfined Compressive Strength of Silt Soil Consolidated by Cement and Lime
水泥、石灰加固淤泥土無(wú)側(cè)限抗壓強(qiáng)度試驗(yàn)研究
hydraulic cement [mortar]
水硬水泥 [灰泥]
Asbestos-cement pressure pipe for gas transmission
GB/T3040-1982石棉水泥輸煤氣管
testing method for fineness of portland cement by air permeability apparatus
波特蘭水泥粒度試驗(yàn)-空氣滲透設(shè)備法
Research on the Gas-channeling Prevention Performance Evaluation Method of Cement Slurry
固井水泥漿防氣竄性能評(píng)價(jià)方法研究
Anti-bit balling for PDC bits of horizontal wells in Changqing gas field
長(zhǎng)慶氣田水平井PDC鉆頭防泥包技術(shù)
Appliation of screw press dewaterer in wastewater treatwent on gas field
螺壓脫水機(jī)在氣田污泥處理中的應(yīng)用
Sheath Isolation Evaluation in Gas Wells
天然氣井水泥環(huán)封隔能力的測(cè)井評(píng)價(jià)