查询词典 gamma rays

An analysis is made about Descartes rays of transparent round-section fibers——a special internal surface reflection rays of the fiber when parallel rays strike the fibers perpendicularly to fiber axis.

分析了透明圆形截面纤维在垂直纤维轴光线照射时纱维内表面反射光的一种特殊现象———笛卡尔线现象。

The specificity of the surface gained in this way is that when the beam of rays parallel to its axis of rotation falls on it, the beam is reflected so that all the rays meet in one point, known as the focus, in the same way that optical lenses focus light rays in their focus.

抛物线的表面或曰抛物面，是由抛物线围绕其对称轴旋转而成，其特点是，和抛物线对称轴平行的射线波束被抛物面所反射，所有的电波都在同一点汇聚， 1 September，2009 3D 角反射天线作馈源的 5.8GHz 偏馈抛物面天线我们把这点叫做焦点。

It is important that studying gamma ray spectrometry of field rocks and soil in the earth抯 crust. Their energy range are mainly 30-3000keV, they contain abundant information of natural radioactive nuclides, such as uranium, thorium, potassium, etc, and of artificial radioactive nuclides from nuclear engineering activity, such as cesium, americium, cobalt, etc, and of the results in interaction between gamma ray and earth抯 crust.

国外近年已经生产出大于256道的伽玛射线能谱仪，但由于仪器应用滞后于仪器研究，且仪器稳谱未完全解决，获取全谱信息困难，加之对低能谱段的认识不足等原因，致使野外应用仍然滞留在仅限于测定铀钍钾含量的伽玛能谱测量水平上。

Based on the natural gamma log curve s of acid tuff and clay rocks of acid volcanic events,the author here queries the arguments that radioactive intensity of sedimentary strata will grow with the increasing argillaceous materials and that the natural gamma value and the empirical equation can be used to calculate contents of argillaceous materials.

根据酸性凝灰岩和酸性火山事件粘土岩的自然伽马测井曲线，对当前流传的"沉积岩层的放射性强度随泥质含量的增加而增高"的概念和用自然伽马值及经验公式求泥质含量提出质凝。

To pay for accommodation in hotel "Izmailovo Gamma-Delta by CTO Hotels", guests should proceed to the reception desk "CITY TOURIST OFFICE" at the day of arrival situated to the right of the main reception of Izmailovo Gamma-Delta Hotel.

您 只会在酒店直接结帐。然而，如您所预订的酒店要求需要缴交押金，这些信息都会列明在"取消条款"条目内，而押金将会直接跟所选择的酒店进行结帐。

The state space model has a Gamma-Gamma type invariant conditional distribution. A cost model subject

我们将在一个具有Gamma-Gamma形式的状态空间模型假设下，结合一个包含移除错误成本及软体风险成本的成本模型来进行讨论。

Analysis shows that the accumulative excess events of steady 3TeV gamma ray emissions from Crab Nebula was increasing stably and the statistical significance reached 3.2σ,whereas no statistical significant evidence of steady 10TeV and 30TeV gamma ray emissions was found.

分析表明，来自Crab Nebula的3TeVγ射线的累积信号事例数显示了稳定增长的趋势，显著性达到了3.2σ，但没有发现10TeV和30TeVγ射线稳定发射的迹象。

In the end of the paper, simulating the different energy gamma photons response through the nude NaI crystal detector and getting the response in 137Cs window from the different kinds of radionuclide, such as the response of 238U、 232Th、 40K and 137Cs itself in 137Cs window, getting the response in NaI multi-channel gamma spectrum from different nuclides.

本论文是利用蒙特卡罗方法模拟伽玛光子在NaI多道伽玛能谱响应，本论文介绍了蒙特卡罗方法以及该方法在核物理的应用，介绍了蒙特卡罗方法在计算机中的实现以及一种应用软件—MCNP—4B，最后具体模拟不同能量的伽玛光子在裸晶体NaI中的响应，得到NaI多道伽玛能数据中~(137)Cs窗中天然放射性核素，如~(238)U、~(232)Th、~(40)K，以及~(137)Cs本身在~(137)Cs窗中的响应，得出~(238)U、~(232)Th、~(40)K、~(137)Cs的响应函数。

A series of products have been put on the market which include mainly gamma-Hexalactone, gamma-Heptalactone, Whisky lactone, 4-hexen-3-one, fenchyl alcohol and rosemary antioxidant, shikimic acid and so on.

目前已规模化生产的香料产品有丙位已内酯、丙位庚内酯、威士忌内酯、4-己烯-3-酮和葑醇等。批量生产迷迭香抗氧化剂、罗汉果甜苷、莽草酸等植物提取物。

Returns documentation on both the gamma probability distribution and the gamma function.

返回文件同时在伽玛概率分布和伽玛函数。

But Severus escaped the hands of those that Julianus had sent to murder him and sent a letter to the praetorian guard, giving them the signal either to desert Julianus or to kill him.

赛维鲁总算逃过了尤利阿努斯派来的杀手，并写了一封信给罗马的禁卫军，向他们发出信号，要么抛弃尤利阿努斯，要么干掉他。他们立即服从了。

This text is in terms of this of " human nature ", it is under the influence of western literature human nature thought to probe into, awakening in human nature of novel works and all sorts of limitations that affectionate The school of Mandarin Duck and butterfly.

本文便是从"人性"这一角度，探讨在西方文学人性思想的影响下，清末民初鸳鸯蝴蝶派的言情、哀情小说作品在人性方面的觉醒与种种局限。