half-lives
英[]
美[]
- n. 半衰期;衰退期(half-life 的复数)
双语例句
- 1. And the time half-lives are 1 second roughly, 12 seconds, minutes, hours and days.
- 时间,半期的是大约1秒,12秒,分钟小时和天。
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- 2. Radioactive ion beams with different decay modes and half-lives can be applied in many aspects of bio-medical fields.
- 不同衰变方式和半衰期的放射性核束在生物医学领域有不同应用。
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- 3. The long half-lives of PCDDs, PCDFs and “dioxin-like” PCBs mean that each daily ingestion has a small or even a negligible effect on overall intake.
- PCDF和“类二恶英”PCB的半衰期很长,意味着每天的摄入对总摄入量的影响很小甚至可忽略不计。
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- 4. Factors influencing precise measurement of relative peak counting rates are discussed in time-series measurements over a dynamic range of 1000-fold radioactive intensities (10 half-lives).
- 对放射性强度跨越1000倍动态范围(10个半衰期)的跟踪测量中影响相对峰计数率精确测定的因素进行了讨论。
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- 5. She lives just half a mile away.
- 她就住在半英里之外。
《柯林斯英汉双解大词典》
- 6. Over half the world's population lives in urban areas, and this is expected to increase to 69 percent by 2050.
- 世界上有超过一半的人口生活在城市地区,这部分人口预计将在2050年增加到69%。
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- 7. And, of those, half would spend almost their entire lives waiting for subtasks to complete.
- 在这些线程中,半数线程会用几乎整个生命周期来等待子任务的完成。
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- 8. It remains a fact that nearly half the population lives in terrifying poverty.
- 事实仍然是,近一半的人口仍生活在可怕的贫困中。
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- 9. Current estimates suggest that half of all the living matter on Earth lives underground, at depths of up to 5km.
- 现在估计地球上大约一半的生物生活在地下深度约5千米以下的地方。
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- 10. That urban growth—roughly half of humanity already lives in cities for the first time in recorded history—may lead to a big increase in greenhouse gas emissions.
- 有史以来,居住在城市里的人口粗略达到了整体人口的一半,这种城市扩张可能会导致温室气体排放的猛增。
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- 11. More than half of the world's population lives in cities, with the urban poor constituting a growing proportion of urban dwellers.
- 超过一半的世界人口生活在城市,城市贫困人口在城市居民中的比重不断扩大。
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- 12. SLUM tourism has a long history - during the late 1800s, lines of wealthy New Yorkers snaked along the Bowery and through the Lower East Side to see "how the other half lives."
- 贫民窟旅游有着“悠久”的历史-在十九世纪末期,一队队的纽约富人就曾偷偷摸摸的沿着包厘街穿过下东区去观摩“另外一半是怎么生活的”。
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- 13. We need to start thinking about the fact that half the population of the world lives on one or two dollars a day.
- 我们必须了解这样一个事实,那就是这世界将近一半的人口仍然每天只能依靠一到二美元来度日。
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- 14. This means that the second half of their lives can be painful and often riven by infirmity.
- 这意味着女性生命的后半部分将是痛苦的,经常被虚弱所折磨。
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- 15. "Half of Cuba lives off the black market," he said with a gruff smile.
- “一半的古巴人靠黑市为生,”他说话的时候带着种粗鲁的微笑。
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- 16. The unprecedented flooding in Pakistan in the latter half of 2010 disrupted the lives of 20 million people, but it also affected the country's arachnid population.
- 在2010年的下半年,史无前例的洪水袭击了巴基斯坦,夺去了两千万人的生命,也影响了这个国家蜘蛛的种群。
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- 17. More than half the world's population lives in cities, the most light-polluted of which prevent even the Big Dipper from being seen.
- 超过半数的地球人口生活在城市,那些光污染最为严重的城市甚至连北斗七星也看不到。
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- 18. Nearly half the world's population lives on $2 per day or less.
- 全世界几乎有一半的人口,每天仅靠2美元甚至更少来维持生活。
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- 19. Vile indeed, but habit-forming and therefore lethally dangerous: it cuts short the lives of between a third and half of its practitioners.
- 吸烟有百害而无一利,但却容易成瘾,因此危害是致命的:吸烟者中三分之一到一半的人寿命缩短。
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- 20. Darwin's request was denied, but his concern lives on today. More than half of the states in the U.S. have explicit limits on first-cousin marriages.
- 达尔文的要求被拒绝了,但是他的担忧如今仍存在,美国超过一半的州都对第一代表亲结婚进行了明确的限制。
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- 21. Conservative estimates suggest that over half a million lives are lost to small arms every year through homicide, suicide, domestic violence, and armed conflict.
- 据保守估计,每年约有五十万人死于与小型武器相关的谋杀、自杀、家庭暴力和武装冲突。
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- 22. Conservative estimates suggest that over half a million lives are lost to small arms every year through homicide, suicide, domestic violence, and armed conflict.
- 据保守估计,每年约有五十万人死于与小型武器相关的谋杀、自杀、家庭暴力和武装冲突。
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