查询词典 xylem rays

There are 8-9 spines and 7-8 soft rays in anal fin, and 7-8 soft rays in the pectoral fin.

肛门的肋片和在胸鳍 7-8 软线有 8-9 刺和 7-8 软照射。

The Curies tried to compare their rays with Becquerel's rays, to find the commonalties.

居里夫妇试着对这两种元素的射线与贝克雷尔的射线进行了比较，以便找到具有放射性的元素郡体。

In 1896, the French physicist Becquerel Republic issued a report on the work of a detailed description of the many experiments he found that uranium, uranium and its compounds have a special ability, it can automatically and continuously release of a person's invisible rays, which rays of light and general different, so that through the photographic film and photographic paper, Roentgen discovered with also different, in the absence of high-vacuum gas discharge and high voltage plus the conditions, able to uranium and uranium from automatic salt.

1896年，法兰西共和国物理学家贝克勒尔发表了一篇工作报告，详细地介绍了他通过多次实验发现的铀元素，铀及其化合物具有一种特殊的本领，它能自动地、连续地放出一种人的肉眼看不见的射线，这种射线和一般光线不同，能透过黑纸使照相底片感光，它同伦琴发现的伦琴射线也不同，在没有高真空气体放电和外加高电压的条件下，却能从铀和铀盐中自动发生。

The rays go through a series of convolutions called the conoid of Sturm.Midway between the two focal lines , the rays form a circlecalled the circle of least confusion.

7光线经过一系列的聚散形成 Sturm 光锥，在两条焦线之间，光线形成一个圆斑，称为最小弥散圆。

This mirror is out of the path of the light rays converging on the primary mirror and far enough off the wall of the tube to be away from tube currents, but in a position to reflect the convergent rays from the off-axis parabolic mirror.

这是出于镜面光射线道路的汇合的小镜子，远远不够的管过墙管应远离水流但能够反映收敛光线从离轴抛物面反射镜。

Therefore, the crepuscular rays from a setting sun will appear to re-converge on the other side of the sky. At the anti-solar point 180 degrees around from the Sun, they are referred to as anticrepuscular rays.

也因此，来自落日或旭日的云隙光，视觉会在反向的天空重新会聚在一起，形成了一个和太阳相隔180度的反日点，这种光线特别被称为是反云隙光。

Radioactive decay studies have found a kinds of elements can be α or β decay and the decay into another element, while the α-decay product of -α-rays became one of the deep structure of the material means of .1911, the Rutherford and others bombarded atoms with α-rays observed wide-angle deflection to determine the nuclear structure of atoms and nuclei was first proposed the term .1919 year, Rutherford and others have also found that with α-ray bombardment of nitrogen will release the nuclear protons, this is the first time Artificial realization of a nuclear reaction, after the bombardment of nuclei with the radiation caused by nuclear reaction method to become the primary means of research in nuclear.

放射性衰变研究发现了一种元素可以通过α衰变或β衰变而变成另外一种元素，而α衰变的产物——α射线又成了人们探讨物质深层结构的手段。1911年，卢瑟福等人用α射线轰击原子、观察到大角度偏折，从而确定了原子的有核结构，并首次提出原子核这一名词。1919年，卢瑟福等人又发现用α射线轰击氮核会放出质子，这是首次用人工实现的核反应，以后用射线轰击原子核来引起核反应的方法逐渐成为研究原子核的主要手段。

It thus became possible to study the cathode rays, and also the fluorescence they caused, outside the discharge tube and Lenard concluded from the experiments that he then did that the cathode rays were propagated through the air for distances of the order of a decimetre and that they travel in a vacuum for several metres without being weakened.

但是后来，1892年他在波恩大学做赫兹的助手时，赫兹让他观察了他的新发现，赫兹将一片盖上铝箔的含铀玻璃片放入放电管，当用阴极射线轰击铝箔时，铝箔下面发出了亮光。

Ionization only occurs with very high levels of electromagnetic energy such as X-rays and gamma rays.

高能量的电磁辐射可以电离生物组织，例如X射线和伽马射线，从而不可逆的破坏生物组织，包括人体的基因物质DNA。

Meanwhile, the newly real particles decay, giving off light, X-rays and gamma rays.

同时新生的真实粒子衰减，发出光、X射线和伽马射线。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"