查询词典 gamma rays

There is no apparent different on the friction coefficients for UHMWPE treated with 0 to 400 kGy Gamma ray irradiation and after 10 days of aging.

UHMWPE经过0～400kGy Gamma ray剂量照射后，以及10天的老化处理后，对摩擦系数值并没有明显的影响。

PTEN gene expression has relation to the dose of gamma ray.

提示PTEN基因与低剂量电离辐射生物学效应及电离辐射旁效应的发生存在非常密切关系。

The above-mentioned observations were significantly changed with the increase of UV exposure time or gamma ray irradiation dose.

从"保有生物活性"的观点，适当的照射强度分别为：紫外线20小时、加马射线10 KGy 。

A simple method is proposed in this paper for determining heat production from normal Gamma ray logs which are readily available from a vast number of boreholes.

介绍了一种从常规γ测井确定热产量的简单方法，其中测井数据可以从大量的钻孔中获得。

This research was conducted to use Gamma ray attenuation method to measure sediment concentration and to use water level change rate to determine flow rate.

本研究利用γ射线衰减原理测量含沙量、采用水位随时间的变化测定流量。

This dissertation analyzes the gamma ray detection methods presented in literatures and point out the limitation of popular methods, and then make discussion about the novel detection theory and technique for PET.

本文在分析了大量文献的基础上，对位置灵敏型γ射线探测器进行了深入的研究，提出了适合PET成像的新探测理论与技术，取得了一定的成果。

Simulative experiments were done and it was found in a certain range of mass thickness, the attenuation rule of X-ray was like that of the single energy gamma ray.

将它用作物质的透射模拟实验，发现在一定厚度范围内，它与某单能光子的强度减弱规律相同而等效。

Scientists want to know the origins of the strange phenomenon of brief gamma ray bursts observed hundreds of times over recent decades.

科学家们想知道伽马射线短暂爆发这种奇特现象的起源，在最近的几十年里他们观测到了几百次这种现象。

This is true of all adjustments including color, gamma, and so on.

这是真的，其中也包括颜色，gamma调整，等等。

And no one else can reach its depth and gamma.

而且没有人能达到的深度和γ。

He became prime minister in 1997 and won international acclaim for his role in the Northern Ireland peace process.

他在1997年成为总理，并且因为在北爱尔兰的和平进程中发挥的作用受到国际社会的赞许。

Mixed Page Sorting Method Using the cuttable user model, this thesis proposes a mixed page sorting method by using cutted user model in server-side and complete user model in client-side.

隐私分级利用的混合式页面排序方法针对个性化搜索中搜索结果排序的问题，本文利用隐私可控开放的用户偏好模型，提出一个在客户端和服务器端分步进行的隐私分级利用的混合式页面排序方法。