Current computer models predict that hot-Jupiter planets-gas giants that orbit very close to their stars-could be only as dark as Mercury, which reflects about 10 percent of the sunlight that hits it.
当前的计算机模型预测:近距离围绕恒星运行的炽热的木星类行星(巨大的气体球)只能像水星一样暗,后者能反射照射到它上面的大约10%的太阳光线。
Dark matter and dark energy, the sources of many current open questions in astrophysics, will figure in many space-based stories and some planet-based ones.
暗物质和暗能量,当前天体物理学中许多未解之谜的源头,将出现在很多发生在太空和外星的故事中。
Salamon also stressed that current NASA missions have already played a key role in measuring dark energy.
萨拉蒙还强调当前的美国国家航空航天局任务在暗能量测量方面发挥了重要作用。
I don't know what it is rushes up in me at the sight of this dark, swift moving current, but a great exultation lifts me up, affirms the deep wish that is in me never to leave this land.
我不明白看到这条黑色的湍急水流时会激起何种情感,不过一种欣喜若狂的心情总是使我不能自持,坚定了我永远不离开这片土地的眷恋之情。
The latest observations, which reach a redshift of about 2, are consistent with dark energy having been around in more or less its current form for the past 10 billion years.
最近达到了红移为2的观测与过去一百亿年中暗能量一直大约在目前状态下相一致。
But it is this part of the current crisis that the dark soul in me admires most.
但是目前这场危机的这一部分最受那些阴险人士的推崇。
That is a dark art as it is, but to axe the current system with no idea how to go forward is outrageous.
这是一种黑暗的艺术,但砍掉现有的系统却没有如何向前的想法,就过于荒谬了。
It was a hump about 25 feet (8 metres) long, covered with rough dark-grey hide like an elephant’s back. The creature it belonged to ploughed against the current for a while, and then disappeared.
那是一个大约25英尺(8米)长的圆形突出物,背部呈黑灰色、粗糙、好似象皮,逆着水流翻搅了一阵子之后,就消失了。
Second, I asked Buckley what all of this might mean for the current leading candidate for dark matter, WIMPs -- the subject of numerous experimental searches around the world.
第二,我问Buckley是不是所有的这些意味着WIMPs很可能就是暗物质的最佳候选者,因为它们在世界各地被做了海量的实验。
Why is it that all the fast-moving fish of the dark current have purple backs and usually purple stripes or spots?
怎么搞的,凡是在深暗的水流中游得很快的鱼都有紫色的背脊,一般还有紫色条纹或斑点?
These ideas were presented at the current Royal Astronomical Society meeting. So for healthy eating on some other planets, try the leafy dark salad.
此项推测发表在当下的皇家天文协会的会议上.
But TrES-2b is so dark that it reflects only one percent of the starlight that strikes it, suggesting that the current models may need tweaking, Kipping said.
但是TrES - 2b却是如此地黑暗,它只反射了1%的光线。这或许说明目前的模型需要调整,基平说。
The DARK AGE: According to current science, space, time and matter originated 13.7 billion years ago in a tremendous explosion called the Big Bang.
黑暗时期:根据当代科学,太空、时间和物质都是起源于137亿年前的一次大爆炸,我们称之为——宇宙大爆炸。
The solar cell is a battery even in the dark and will usually show a few microamps of current.
太阳能电池是一个电池,即使是在黑暗之中,而通常会表现出几个微安的电流。
The solar cell is a battery, even in the dark, and will usually show a few microamps of current.
太阳能电池是一个电池,即使在黑暗中,通常会显示一些微安的电流。
With the current imbalance, about once a week. Later, as the balance is restored, it can be once a month… Dark of the moon.
在电流不平衡时,大约一周一次。稍后,当平衡恢复时,一月一次……月暗期。
Experiments were done to probe into the characteristics of APD. The relationships between avalanche voltage, dark current, photocurrent, NEP and temperature were educed separately.
通过实验探讨了APD的温度特性,得到了APD的雪崩电压、暗电流、光电流、等效噪声功率与温度的关系。
A method of measuring the minority carrier's life by measuring the output of the dark current is presented and experimental results obtained are given.
最后,提出了通过测量暗电流输出来测量少数载流子寿命的方法,并给出了实验和计算的结果。
In the meanwhile, with using more accurate expression of the avalanche excess noise factor, we give a relation schema between sensitivity and dark current.
同时,采用了较为精确的过剩噪声系数表达式,给出了灵敏度与暗电流的关系曲线。
Several test results, such as reverse voltage, photo sensitivity, dark current, terminal capacitance, terminal impedance, position distinguishability, position Iinearity, were reported in the paper.
给出反偏电压、光谱响应、暗电流、极间电容、极间阻抗、位置分辨率和位置线性特性等性能的测试结果。
In practical process, a reduction of the reverse dark current is further obtained by improved the gettering technology, stress compensation technology, etc.
在实施过程中,对吸除工艺,应力补偿工艺等作了改进,进一步降低了反向暗电流。
For dark current determined by bulk effect, SHPD is slightly better.
对于由体效应决定的暗电流,shpd略优。
It is shown that the reduction of dark current is much greater than that of light current as a result of side collection effect.
由于利用了侧向收集效应,光电流减少不多而暗电流明显地减小。
The dark current that affects CCD detection sensitivity is described. The generating mechanism of dark current noise and its influence on CCD performance are analyzed.
阐述了影响CCD探测灵敏度的暗电流及暗电流噪声的产生机理,分析了其对CCD性能的影响。
In this paper, the structure of RPC, the curves of efficiency, counting rate, dark current, multiple hit and signal amplitude versus high voltage measured using cosmic ray are presented.
介绍了使用自制的材料制作的大面积阻性板探测器模型的结构和利用宇宙射线测量的效率曲线、单计数率曲线、暗电流曲线、多重计数和信号幅度随高压的变化曲线。
Burned coating: refers to the surface coating seriously dark, rough, such as carbon color generally. (means high current density zone).
镀层烧焦:指镀层表面严重黑暗,粗糙,如碳色一般。(指高电流密度区)。
In the past the tower has gone from reddish brown to ochre-brown, yellow, brownish-yellow and dark red, before operators settled in 1968 on the current color.
埃菲尔铁塔曾被粉刷成红棕色、赭褐色、黄色、棕黄色和深红色,直到1968年被主管方肯定为现在的色彩。
The device can effectively improve photoelectric conversion gain of devices, limit the dark current of devices, and reduce the noise of devices, so as to obtain higher signal-to-noise.
该器件可以有效提高器件光电转换增 益,限制器件的暗电流,降低器件噪声,得到高的信噪比。
The practical examples finally demonstrate that dark current is greatly reduce and the detection sensitivity is improved by means...
最后运用实例说明了通过此方法,大大地降低了CCD的暗电流,提高了其探测灵敏度。
The practical examples finally demonstrate that dark current is greatly reduce and the detection sensitivity is improved by means...
最后运用实例说明了通过此方法,大大地降低了CCD的暗电流,提高了其探测灵敏度。
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