We can think about the Lyman series, which is 1 where n equals 1. We know that that's going to be a higher energy difference, so that means that we're going to be in the UV range.

我们可以来看看Lyman系,也就是n等于,我们知道它的能量差更大,所以它在紫外光区内。

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Thermal model experiment of catalyst synthesis shows the shape of the N-catalyst can be controlled by using the above optimized agitation in a certain range of rotating speed.

催化剂合成热模实验表明，采用以上的搅拌形式，在一定的搅拌转速范围内，可以较好地控制催化剂的颗粒形态。

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In this paper, an improved N-W optimal weights initialization method is proposed first, which considers not only the range of optimal weights but also the direction of optimal weights.

本文首先对神经网络的权值初始化方式进行探讨，在兼顾权值的选取范围和优化选取方向的基础上，提出了一种改进的N - W权值优化选取方法。

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U.S.officials say no part of the three-stage rocket reached orbit and the launching was a thinly-disguised test of a long-range ballistic missile that was banned under a 2006 U.N.resolution.

VOA: standard.2009.04.15

We can think about the Lyman series, which is 1 where n equals 1. We know that that's going to be a higher energy difference, so that means that we're going to be in the UV range.

我们可以来看看Lyman系,也就是n等于,我们知道它的能量差更大,所以它在紫外光区内。

麻省理工公开课 - 化学原理课程节选

South Korea warns any long-range launch by the North will be a violation of a U.N.resolution passed in 2006, when North Korea conducted long-range missile and nuclear weapons tests within months of each other.

VOA: standard.2009.03.12

According to CBS, Saddam also flatly denied that Al Samoud 2 missiles violated U.N. range restrictions and indicated he has no plans to destroy them, as demanded by U.N. weapons inspector Hans Blix.

CNN: CBS: Saddam challenges Bush to debate

Fewer than 20 were killed by shelling, while most, including many women and children, were shot at close range in what U.N. officials have described as grisly executions.

WSJ: U.S. Envoy Paints Dire Syria Scenario

The best is in the Sahara desert, particularly in Niger's Air mountains, in the Tibesti mountains of northern Chad and southern Libya, and in south-east Algeria's Tassili n'Ajjer range.

ECONOMIST: African rock art