查询词典 radiations

The contributions of photon radiations are ignored because they are negligible compared to the contributions of the particle radiations, or can be calculated and added to the S-values using MIRD formulae.

如果细胞群较小，则光子的剂量贡献忽略不记。细胞群中每个细胞内的放射性活度相同。计算得到细胞群中各个周围细胞中心到靶细胞中心的距离和周围细胞中的核素对靶细胞的剂量贡献。

Phenomenon of the change in velocity of propagation of monochromatic radiations in a medium as a function of the frequency of these radiations.

在介质中传播的单色光改变其传输速度的现象，并由该辐射的频率所决定的。

In order to establish the boundary conditions to the equations, we have taken into consideration the fact that a constructive interference at the coupler assures that the laser radiations from both constituent lasers be directed to the coupler output port to which a reflection mirror, defining both laser cavities and executing the mutual injection between two lasers, is attached.

考虑到设置在光纤耦合器的一个输出端口的公共反射镜还担负着实施两个激光器间的相互注入的功能，利用光纤耦合器的变换矩阵以及光场相干叠加的要求，可以确定激光器速率方程组满足的边界条件。

Basic nuclear physics and fundamental measuring techniques: The basic nuclear physics involves the main types of nuclear decay, law of decay, definition and units of radioactivity and the interaction of radiations and materials.

核物理基础与放射性测量技术：内容主要是核衰变的四种类型、衰变规律、放射性活度及其单位；射线与物质的相互作用，以及γ计数器及液体闪烁仪测量的基本原理和放射性测量的统计误差。

Therefore coherence is produced only along field lines, and cannot be produced between radiations from different field lines.

因此相干只发生在沿着磁力线方向，而相邻磁力线的辐射之间便不存在着相干。

ASI sandstone belongs to a class of environmentally friendly stone material. It is a light weighted durable product is free from toxins and radiations, non-reflective, resistant to weathering, fading, damping effects, has sound and heat absorbent qualities that is easy to work with. ASI obtained AAA quality rating, the highest rating obtainable in China, from the official China Industrial Material Standard Bureau, and has also been assessed and obtained product quality certification from Amdel laboratory in Australia

ASI 砂岩是一种生态环保石材，其产品无污染、无辐射、无反光、不风化、不变色、质轻、防湿、防滑、透气、吸音、吸热、保温、耐磨、坚固、轻便、可塑性强等卓越特点，通过了澳大利亚权威认证机构 AMDEL 及中国建筑材料工业局的"AAA"质量评定，其各项物理检测数据均符合建筑装饰要求，是世界公认的顶级砂岩品牌的形象代言。

In this research, hybridize the HF and LF numerical softwares to simulate the antenna radiations under large structure is the main work.

中文摘要本研究主要工作是利用高低频的电磁软体模拟天线在超大型结构体下的辐射。

Most of the infra- red radiations sent to us from the planets.

吸收'。''行星传播到我们这里的大部分红外线。

The contemporary radiations of phytoplankton and benthic metaphyte probably made a significant contribution to the Early Cambrian explosion of animals.

这一时期浮游微生物和后生植物的共同繁盛可能为早寒武世"澄江生物群"的爆发奠定了生态基础。

An interference pattern of two systems of fringes has been obtained by vising two radiations in a Hilger prism interferometer A system of white bands with equal spacing which are always parallel to the refracting, edge of the prisin is the result of the intersection of the two systems of fringes.

在Hilger棱镜干涉仪中，用两辐射线，则在一干涉图形中可得两组不同方向之干涉纹；因两组不同方向之干涉纹之相交，而得一组平行之白色条纹。此种条纹恒与棱镜折射边相平行，而条纹间之间隔为相等。

Smoking cigarettes adds to the Computer Desk Computer manufacturer computer mouse Computer Computerized collar knitter machine Conduit Bodies construction board Container Bag Control Arm Cooking Thermometer general levels of air pollution as well as damaging our health.

吸烟不仅对健康有害，而且增加空气污染程度。香烟雾含有多种有害物质：不仅有致癌化学物质、有某种能阻止氧气进入血液的气体，还有引起血压增高、心速加快的被称为尼古丁的物质。

He is one of my favorite actors.

他是我最喜欢的男演员之一。