现在大家都知道元素的性质主要取决于元素原子的最外层能级的电子数目。
It is now known that properties of an element depend mainly on the number of electrons in the outermost energy level of the atoms of the element.
这是因为在后者的情况下，参与辐射的电子数目减少并且反向激波本身受到了抑制。
This is because in the highly magnetized case, the total number of electrons involved in the emission decreases and the strength of the reverse shock has been suppressed.
光电倍增管有一个对光敏感的阴极，它发射的电子数目与撞击到其上面的光子数量成正比。
The tube consists of a light-sensitive cathode that emits electrons in proportion to the photons striking it.
float的最大值约为 3.4*1038。这个值还不足以表示某些东西，比如宇宙中的电子数目。
The maximum value of a float is about 3.4*1038, which isn't large enough for some things you might wish to represent, such as the number of electrons in the universe.
我们可以用叫做，键序的概念来弄明白它，键序等于1/2乘以成键电子，数目减去反键电子数目。
The way that we can figure this out is using something called bond order , and bond order is equal to 1/2 times the number of bonding electrons, minus the number of anti-bonding electrons.
人们因此可能会想到，另开一条缝只不过是打到屏幕上每一点的电子数目增加而已。但是，实际上由于干涉，在某些地方反而减少了。
One might therefore think that opening another slit would just increase the number of electrons hitting each point of the screen, but, because of interference, it actually decreases it in some places.
根据量子力学的法则，核子外部一定数目的核外电子以一定的圆周轨道运行形成球状壳结构。
Under the laws of quantum mechanics, the nuclei of atoms have shell-like structures analogous to the spheres in which given Numbers of electrons exist in certain orbits around the nucleus.
每个单元中的数量表示，在对每个电子邮件(合法邮件和垃圾邮件中)正文所测试的每种技术，正确识别出的消息和错误识别出的消息的数目的对比。
The quantities in each cell represent the number of correctly identified messages vs. incorrectly identified messages for each technique tested against each body of E-mail, good and spam.
每个电子盒包含许多纳米孔(尽管公司并没有说具体数目)和执行准备工作、检测工作及分析工作的所有微流体以及电子器件。
Each cartridge contains multiple nanopores (though the firm will not say how many) and all the microfluidics and electronics to carry out the preparation, detection and analysis.
所有的稀有气体元素的最外层电子数都是该层最大的可能数目：氦的最外层电子有两个，其它的稀有气体最外层电子数是八。这使稀有气体非常稳定。
All noble gases have the maximum number of electrons possible in their outer shell (two for helium, eight for all others), making them highly stable.
从上面的一行内容中，您还可以看到电子邮件的总计大小(7632字节)以及接收者的数目(一个)。
You can also see from the line above the total size of the E-mail (7632 bytes) and the number of recipients (one).
但过渡金属在不同的情况下释放不同数量的电子，因此就形成乐携带不同数目正电的离子。
Transition metals, though, give up different numbers of electrons in different circumstances, and thus have ions of various charges.
而android系统根据其手机上网服务来统计激活的android设备数目，包括像Nook电子书阅读器等。
Android does count in its activation tallies devices which access the Internet through cellular service, including eReaders like the Nook.
您已超出所允许的字符数。请减少电子邮件地址数目。
You have exceeded the number of characters allowed. Reduce the number of email addresses.
随着相控阵雷达天线阵元数目的增大，传统的电子学技术将很难满足实时信号处理的要求。
With the number increasement of array antenna element, traditional electronics technology cannot meet the requirement of real-time processing.
我们知道科学家已经把物质分解成无限数目的分子，这些分子又分解成原子，原子又被分解为电子。
We know that scientists have resolved matter into an immense number of molecules; these molecules have been resolved into atoms, and the atoms into electrons.
它记录了特定元素的原子包含有多少质子和电子，它使我们能够计算大多数元素最常见的同位素中中子的数目。
It records how many protons and electrons the atoms of a particular element contain. It permits us to calculate the number of neutrons in the most common isotope for most elements.
这里对于氮原子不会有电子激发，因为这不会增加，未配对电子的数目。
So, electron promotion does not happen in terms of nitrogen, because it would not increased our number of unpaired electrons.
束缚态能级的数目和位置依赖于电子的耦合和拓扑性无序。
The number and position of the bound state levels depend on the coupling of an electron and the topological disorder.
比较结果的依据指标主要是人工搜寻和电子搜寻找到的随机临床试验报告的数目。
The main outcome measure was the number of reports of randomized trials identified by handsearching as compared to electronic searching.
电子传发网点在扫描机的输出介体上能以多种不同的网点形状和网线数目直接造成半色调网点的能力。
Electronic dot generation the ability of an output scanner to generate half-tone dots directly on the output medium in a variety of screen rulings and forms.
其天线波束的扫描完全用电子的方式控制，不但波束的扫描速度极高，而且波束的数目、运动方式都可以随意的控制。
Its antenna beam scanning entirely electronically controlled beam scanning speed is not only high, but the number of beams, movement pattern can be arbitrarily controlled.
原子含有相同数目的质子，电子电气中立的，否则它有一个积极或消极的收费，是一种离子。
An atom containing an equal number of protons and electrons is electrically neutral, otherwise it has a positive or negative charge and is an ion.
从上面的一行内容中，您还可以看到电子邮件的总计大小(7632字节)以及接收者的数目(一个)。
You can also see from the line above the total size of thee-mail (7632 bytes) and the number of recipients (one).
并且对亲核试剂的体积效应、溶剂效应对亲核性影响，底物上吸电子基团的数目、吸电子能力对亲电性的影响，以及亲核取代反应的发生部位受哪些因素影响进行探讨。
At the same time, discuss about the impact factor to nucleophilicity such as the number of attract electron group, ability of attract electron and the nucleophilic substitution reaction part.
铁硫中心，这可能由两个或四个铁原子与硫离子的数目相等的复合物，介导电子转移反应。
Iron-sulfur centers, which may consist of two or four iron atoms complexed with an equal number of sulphide ions, mediate 1-electron transfer reaction.
由于这部分电子的数目相当可观，因此近壁传导电流较之古典传导电流增大了一个数量级，这一效应足以解释实验测量的电子电流。
Because of the reasonable quantity of electrons, the current of near wall conduction is bigger than classical current by an order of magnitude, the effect can explain the current in experiments.
每天世界各地的消费者都会从联网设备上下载千千万万的应用，这些联网设备的数目在不断增长，包括笔记本、平板电脑、电子阅读器、智能电视以及智能手机。
Every day consumers from all over the world download millions of apps from an increasing number of connected devices, including laptops, tablets, e-readers, smart TVs and smartphones.
每天世界各地的消费者都会从联网设备上下载千千万万的应用，这些联网设备的数目在不断增长，包括笔记本、平板电脑、电子阅读器、智能电视以及智能手机。
Every day consumers from all over the world download millions of apps from an increasing number of connected devices, including laptops, tablets, e-readers, smart TVs and smartphones.
应用推荐