Microgram for microgram, beryllium is one of the most toxic elements on the periodic table.
一微克，又是一微克，铍是周期表上有毒的元素之一。
The first application is the analysis of aircraft longitudinal long-period oscillation named phugoid phenomenon.
第一个应用是分析名为复古现象的飞行载具纵向长周期振动。
The yield of the pseudoionone and ionone was 96. 2% and 97. 6% respectively.
反应条件温和,周期短,缩合反应的产率达96.2％,环化反应的产率达97.6％.
Periodic only 7 - 10 days, shorten than traditional method a day above, raciness.
周期仅7-10天，比传统方法缩短则天以上，风。
Finally, variance analysis is used to verify the validity of the crytic model.
后，利用方差分析周期检验方法作了印证性讨论。
Long long ago, we knew the periodic motion of a planet.
很久以前, 我们就知道行星的周期运动。
The business cycle is a series of peaks and troughs.
商业周期是一系列的高峰期和低期。
In eastern China, transgression occured periodically during Eogene, and formed specially paleobio-cenosis,mineral association and rock type.
在中国东部早第三纪沉积演化过程中曾周期性地发生过海侵,从而形成了具有海相特征的岩石类型、古生物组合。
All of the genes necessary for the lytic cycle are expressed in polycistronic transcripts from three promoters.
编码结构成分的基因则排列为簇。裂解周期所需要的基因则以三个启动子起以多顺反子转录的形式表达。
The present paper using upper and lower solutions,proves an existence theorem of almostperiodic solutions for integrodifferential systems.
采用上下解方法，给出了一个积分微分系统概周期解存在的一般性定理。
Base on this structure, the photoresponse of each spectral shape is tunable by the period of gratings.
我们可以利用各种不同周期的光栅结构来调变响应的波形。
Two pulse generators, the Gaussian pulse generator and the monocycle generator, are designed, fabricated, and experimentally demonstrated.
接著设计可产生高斯脉冲及单周期脉冲的脉冲产生器。
Artificial credit expansion — credit not funded by savings — creates the business cycle by spawning capital malinvestment.
虚假的信贷膨胀——不是通过储蓄创造出来的信贷——通过制造了大量资本的错误投资而导致了商业周期。
Wernerians thought strata were deposits from shrinking seas, but James Hutton proposed a self-maintaining infinite cycle, anticipating uniformitarianism.
沃纳里恩斯认为地层是收缩的海洋的沉积物，但詹姆斯•赫顿提出了一个自我维持的无限周期，促进了地质均变论的发展。
Methods The level of somatostatin was measured in uterus and blood of mouse during genesial cycle by radioimmunoassay.
方法应用放射免疫方法检测小鼠生殖周期不同阶段子宫和血生长抑素的水平。
Using surface fermentation method to produce apple vinegar,its acidation and alcoholization is the same as liquid deep fermentation method.
表面发酵法生产苹果醋,其酒化和醋化过程与液态深层发酵法相同,但发酵周期较长。
Economic crises recur periodically.
经济危机周期性地发生。
The geyser erupts periodically.
间歇泉周期性地喷发。
It is 9 major planet run the great synodic period in the youngest covering of the fan 180 years.
一百八十年是九大行星运行到小扇面之内的大会合周期。
Has the long period of credit expansion—dubbed the “debt supercycle” by Martin Barnes of Bank Credit Analyst—come to an end?
长期的信用扩张——被银行信用分析师MartinBarnes称为“债务超级周期”——会画上句号吗？
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My sleep cycle's totally out of whack.
我睡眠周期已经乱套了。
And levels of melatonin, the hormone that helps regulate sleep cycles, dropped.
帮助调节睡眠周期褪黑素也减少了。
I did. Almost, about one week after I quit smoking, I quit drinking.
对。在我戒烟后一周期我也戒酒了。
The global economy may be prone to harsher boom-bust cycles than national economies individually.
和独立各国经济相比，全球性经济更容易受到经济高涨萧条周期严峻影响。
Menstruation is really just a very normal body life cycle.
月经其实只一个非常正常身体生命周期。
The Ocean Viking could have a short operational life.
海洋维京号使用周期可能很短。
This process of booms and busts is called the business cycle.
这种繁荣、萧条过程被称为经济周期。
All the elements in the periodic table have a different affinity for electrons.
元素周期表中所有元素对电子都有不同亲和。
Lemmings periodically commit mass suicide, and no one knows just why!
旅鼠会周期性地进行大规模自杀，但没人知道为什么！
As for whether modern-day humans need to worry about this 405,000-year oscillation?
“那现代人类否需要担心这种以40.5万为周期振荡？”
Or it could loop around in a periodic way, like in some video games.
或者它可以进行周期性循环，就像一些游戏一样。
This is the Periodic Table, noble gas is stable.
这周期表，稀有气体稳定。
The juvenile then starts the jellyfish's life cycle all over again.
回到幼体期，重新开始生命周期。
Botanic Garden Educator Todd Brethauer said the stench occurs in cycles.
植物园教育家托德·布莱豪尔表示恶臭会随周期性而出现。
If approved, it would be the largest jump in at least eight budget cycles.
如果获得批准， 这将至少八个预算周期以来最大增幅。
On the periodic table of the elements, Sn is the symbol for what?
在元素元素周期表上，Sn什么符号？
Higher temperatures are also boosting their reproduction cycle.
更高气温也在加快它们繁殖周期。
It's a pulsating star that swells and shrinks periodically.
它一颗脉动恒星，周期性地膨胀和收缩。
There are four stages of sleep that the body experiences in cycles throughout the night.
身体整个晚上会经历四个阶段睡眠周期。
Headwinds such as the rapid news cycle which distracts us from developing compassion and courage.
阻，如快速新闻周期，会分散我们培养同情心和勇气注意。
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详细解释
有毒的元素之一。
2013
7月合集 
。
期。
结构成分的基因则排列为簇。裂解
主妇视频版 第1季
睡眠
一个非常正常
。
为
