基本释义
相关例句
fly low
1.When planes fly low over the land, the very loud sounds can cause damage to houses. Very loud sounds can even make people deaf.
3.Bats are the only mammals capable of sustained flight,and,unlike birds,they can fly at relatively low speed with extreme maneuverability.
4.By testing the value of pH of fly ash cement hydrated 28 days later with the dosage of fly ash from 0～70%, it can be found that the value of pH of fly ash cement is bigger than 11.5 even hydrated 28 days, so it does not result in the alkalinity of fly ash cement too low consequently influencing the property of protecting reinforcing steel bar.
5.Preparation of PASS is a new approach of comprehensive utilization of fly ash with uncomplicated process, low cost and simultaneousness of silicon and aluminum in fly ash.
6.The fly population density could be maintained low condition by spraying 2. 5% synergistic DDVP.
7.Reaction ratio of fly ash in fly ashCa(OH)_(2)H_(2)O system was measured by acid dissolution method, which was used for evaluation of pozzolanic reactivity of low-limed fly ashes. On this basis, the kinetics model of pozzolanic reaction of low-limed fly ashes was established.
8.And using the cement hydration specimen mixed with alundum powder as reference,the dilution effect and other physical and chemical effects of fly ash and coal gangue on cement hydration at low W/B ratio are studied and analyzed.
9.Abstract: Controlling AAR with high quality I grade fly ash has been researched.The result shows that the content is more important than the quality for the effect on controlling AAR.The solubility of the fly ash contained alkali is inquired in differ alkali concentration solution.The mechanism of low content accelerating swell and yet high content controlling swell is discussed when controlling AAR with the fly ash contained high alkali content.
10.My daughter feels very low and easily upset. If anything goes wrong, she will fly off the handle.