air entrainment in Vietnamese

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Sentence patterns related to "air entrainment"

1. 8 L Concrete Air Entrainment MeterUsed to determine the air entrainment of freshly mixed concrete.

2. Air entrainment compositions for cement compositions

3. Dispersant, setting retarder and air entrainment additive for cement

4. Respiratory therapy equipment - Part 3: Air entrainment devices

5. Respiratory therapy equipment — Part 3: Air entrainment devices

6. Key words: air entrainment, aerator, scale effect, jet length, cavity subpressure.

7. Key words: bottom aeration devices, aerators, spillways, air entrainment, detrainment.

8. Keywords: admixtures; air-entrainment; air-voids; concrete; freeze-thaw resistance; Lignosol; spacing factor.

9. Key words: aeration, air entrainment rate, plunging overfall jet, sharp-crested weir.

10. Air entrainment with polyoxyalkylene copolymers for concrete treated with oxyalkylene sra

11. As anticipated, air-entrainment is the overriding factor that allows concrete to meet freeze–thaw durability requirements.

12. In many instances, HPC with no air entrainment were resistant to scaling but susceptible to internal microcracking.

13. Key words: aerator design, air entrainment, cavitation, design criteria, high dam, model – prototype comparison, physical hydraulic model, spillway, spillway aeration.

14. Key words: fly ash, concrete, pozzolanic activity index, bleeding, setting time, air-entrainment, strength, creep, shrinkage, freezing and thawing.

15. Replacement of cement by up to 35% fly ash and 10% silica fume indicated enhanced frost resistance, without any air-entrainment.

16. Cement compositions containing fly ash having a carbon content are given satisfactory air entrainment by including a water soluble C8 fatty acid salt.

17. A masonry cement composition is provided which contains a blend of fly ash, Portland cement, a retarding agent, and an air entrainment agent.

18. The stabilized foaming composition provides air to the cementitious composition in an amount substantially in excess of that used in conventional air entrainment of cements.

19. The cementitious mixtures and hardened concretes resulting from the method and fly ash treated with sacrificial agent, or air entrainment agent/sacrificial agent combinations, are also described.

20. The strength of the concrete depends upon many factors like individual Compressive strength of its constituents (Cement, Sand, aggregate), quality of materials used, air entrainment mix proportions , water-cement

21. Burners must be maintained in a condition that allows proper introduction of underfire air, and a shell and support integrity that allows a minimum of tramp air entrainment.

22. The method involves forming a mixture comprising water, cement, fly ash, optionally other cementitious materials, aggregate, conventional chemical admixtures, and an air entrainment agent and agitating the mixture to entrain air therein.

23. Although 300 freeze–thaw cycles have relatively little effect on standard concrete (without air entrainment), results show that the basic property most affected by slow freeze–thaw cycles is compressive strength and not modulus of elasticity.

24. This paper presents a review of recent developments for the design of stepped spillways, provides a discussion of the effects of air entrainment, and presents new calculation methods that take into account the effects of flow aeration on the flow characteristics and the rate of energy dissipation.