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- Results show that the hydrog en in methane/air mixture not only decreases the ignition temperature greatly,bu t increases the burning rate and shortens the burnout time notably. 结果表明，甲烷火焰中少量氢气的存在不仅可以降低甲烷的着火温度，而且可以显著增大燃烧速率，缩短燃尽时间。
- The effect of hydrogen on methane combustion and ignition temperature,burning rate and burnout time are discussed through analyzing the calculated results. 通过分析计算，讨论了氢气对甲烷燃烧过程及着火温度、燃烧速率、燃尽时间的影响。
- Char burnout times were considerably shorter for tyre particles than coal, which can be attributed to the secondary devolatilization and the lower density of the former. 轮胎粒子经历一个强烈的初期挥发性燃烧过程，接着是一个较温和的挥发性燃烧及焦燃烧。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨，他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- At that time he had two helpers. 当时他有两个助手。
- I'm sorry to obtrude on you at such a time. 我很抱歉在这个时候打扰你。
- I referred to my watch for the exact time. 我看了一下手表好知道准确的时间。
- God mete out justice in his own good time. 羞恶自有报，只争迟与早。
- I spend most of my time scouting around for book. 我把大部分时间都用来找书了。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- The teacher let him off the hook with a warning this time. 这一次老师放过他，只给了一个警告。
- I'll overlook your lateness this time. 我可以不计较你这一次的迟到。
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- It took him long time to smooth away perplexities. 他花了好长时间才消除了困惑。
