查询词典 x-rays

Geometric series is a mathematical concept, can be expressed as a * x ^ y, ie x, y-th power in the form of growth.

几何级数是一个数学上的概念，可以表示成a*x^y，即x的y 次方的形式增长。

Pure iron specimens were implanted by nitrogen ions with a fluence of 7×1017 ions/cm2 using ion beam implantation at an extracted voltage of 40kV.Composition and valence studies were carried out by X-ray photoemission spectroscopy;Glancing angle X-ray diffraction was employed to examine the phase transformation.

采用40kV的氮等离子体离子注入工业纯铁，注入剂量为7×1017ions/cm2，X射线光电子能谱研究表面注入层元素的成分和价态，X射线衍射分析注入层的物相转变，采用恒电位极化腐蚀试验研究了离子注入后材料在人工模拟体液中腐蚀行为。

X-ray diffraction, reflection high energy electron diffraction and Phi scan of grazing incidence X-ray diffraction with synchrotron radiation were employed to investigate the structure properties of ZnO thin film.

利用X射线衍射，反射式高能电子衍射和同步辐射掠入射X射线衍射φ扫描等实验技术研究了ZnO薄膜的结构。

The electrons are accelerated in the diffusion region near the X point, and the acceleration process can be roughly into two steps : firstly the electrons are accelerated in the z direction due to the electric field, then, they gyrate surrounding the magnetic field with the action of the Lorentz force and get higher velocity in the x direction.

电子在X点附近扩散区中被加速，且加速过程分为两步：先由z方向电场加速，进而在Lorentz力作用下，使其绕磁场回旋并在x方向获得高速度。

Polynomial smooth techniques are applied to SVM model and replace x+ by a very accurate smooth approximation that is Hermite Interpolation polynomial,thus the undifferential model is converted into a differential model.The deduction procedure of Hermite Interpolation polynomial smoothing x+ is extended.

三次Hermite插值多项式光滑的支持向量机模型采用的是一种多项式光滑技术，用三次Hermite插值多项式代替单变量函数x+，将原来不可微的模型变为可微的模型，并且给出了三次Hermite插值多项式光滑化单变量函数x+的推导过程。

Using it, HHC can be produced; THREE HIGH (high flowability, high strength and high durability) concrete can be prepared; the concrete containing X FLOUR , such as XHPC , XHSC (High Strength Concrete containing X FLOUR), XSHPC , XSHC, and XHHC, can be used in the condition needing chemical corrosion resistance and so on; the technique of construction can be renewed, and economic, environmental, ecological and other benefits can be received.

对X粉混凝土技术经济分析的结果表明：由于X粉价格低廉，流化与增强效应十分显著，因而，用其配制的混凝土成本很低，优于同等条件下的硅灰、矿渣和粉煤灰，具有美好的开发利用前景。

They are available in all hinge sizes from 3" x 3" up to 6" x 6" and larger.

它们的尺寸一般是3" x 3"到 6" x 6"，甚至有更大的尺寸。

The Solar X-Ray Imager is essentially a soft X-ray telescope that is used to monitor solar conditions and activity.

太阳X射线成像仪基本上是一种软X射线望远镜，用于监测太阳条件和活动。

The measuring conditions of thin films thickness with grazing incident X ray is explained, and interferential principle and method of thickness measurement of multilayer thin films by grazing incident X ray are analyzed.

阐述了掠入射X射线测量薄膜厚度的条件，讨论和分析了掠入射X射线测量多层薄膜厚度的干涉原理和方法。

Should X have a poorly developed Eros, will be either indifferent to the inadequate relationship he with his father or else by the inconsistency and general incomprehensibility of a father whose behaviour never really corresponds to the picture X has of him.

X 要么有一个发展得不太好的埃逻斯，要么对其与父亲的关系漠不关心，要么对其父亲的行为总是与其所拥有的 X 影像不一致而苦恼和不解。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。