Based on the frequency domain phase contrast transfer function obtained by PGW theory,an in-line phase contrast imaging method is put forward.
采用同轴相位衬度成像方法,基于PGW理论获得的频域相位衬度传递函数,对于理想光源和多色X射线源,用计算机模拟分析了如何选择物像距离和空间频率以获取最佳相位衬度像。
Study of In-phase Synthesis Property of Transient Electromagnetic Pulse Array
瞬态阵列电磁脉冲同相合成特性研究
High power electromagnetic transient pulse in-phase synthesis of the Optic-Controlled Array
光控阵列高功率瞬态电磁脉冲同相合成技术
A pairing or union of two similar or identical objects.
成双成对两个相同或相似物体的成双或联合
a compound whose molecules are composed of two identical monomers.
分子由两个相同单体构成的化合物。
Solution-phase Synthesis of Cu_2O Microcrystals with Different Morphologies
液相合成不同形貌的Cu_2O微晶
The different aspects and varied elements in each entity are interdependent, mutually influential, and both opposite and commentary to each other.
在这个统一体中，不同方面、不同要素相互依存、相互影响，相异相合、相反相成。
The union of genetically identical gametes, resulting in the formation of a homozygote.
同性接合性遗传上相同配子的结合导致纯合子的形成
Compounds have very different appearances from the element of which they are made.
化合物的形态与构成它们的元素极不相同。
A molecule consisting of two identical simpler molecules.
二聚物由两个较简单的相同分子形成的聚合物
Research on Three-Phase Synthetic Test Synchro Control Method of High Voltage Circuit-Breaker
高压断路器三相合成试验同步控制方法研究
Characterization of DME synthesis catalysts prepared by different methods
不同方法制备二甲醚合成催化剂的物相表征
a kindred spirit
志同道合 [志趣相同] 的人
Solid-phase Extraction and HPLC Coupled with Diode-array Detector for the Simultaneous Determination of 6 Synthetic Pigments in Ham
固相萃取二极管阵列液相色谱法同时测定火腿中6种合成色素
Second, the diamonds with the same quality can be reduplicated under identical techniques.
其次，在同一工艺下可以合成出品质相同的金刚石晶体。
The collection of overhead costs associated with each set of activities is called homogeneous cost pool.
由一系列的同质的作业相联系的间接费用集合,被称为同质成本库。
The process of fusion of two identical images taken from different angles can be accomplished by the naked eye or instruments.
以不同角度拍摄的两个相同影象聚合的过程，可用肉眼或仪器完成。
material consisting of the aggregate of minerals like those making up the Earth's crust.
由矿物集合体构成的物质，这些矿物与地壳的构成物相同。
Panel pictures: A group of photos requiring the same magnification, pasted up adjacent to one another, o be shot as a single half-tone.
相片画幅:把倍率大小相同的相片集合，并邻的贴在一起而成。方便一次把它们摄制成半色调图片。