The theory of 3He neutron counting tube is introduced.
介绍了3He中子计数管的工作原理,对其结构、气体密封工艺进行了探讨。
near epithermal neutron count rate
近探测器超热中子计数率
Hurst-Ritchie fast neutron counter
赫斯特-瑞奇快中子计数器
counter tube fast neutron flux meter
计数管式快中子通量计
high level neutron coincidence counter
高水平中子符合计数器
Several Computation Methods Valence Number of Covalent Molecule;
共价分子中价电子数的几种计算方法
..calculate the number of atoms in a cubic centimeter of hydrogen.
计算一立方厘米氢气中的原子数量。
An unknown number of leafs are dancing in the breeze.
不计其数的叶子在微风中翩翩起舞。
EMC Design Techniques for the Digital Controller in Power Converters;
电力电子系统中数字控制器EMC设计
Afterpulse Measurement and Correction in Photon Counting;
光子计数中后脉冲概率的测量与修正
A Note on Adjust Factor in Parameter Design;
关于参数设计中调节因子的一个注记
Application Skill of Multisim in The Design of Digital Electronics;
Multisim在数字电子设计中的应用技巧
All are built from numberless atoms, the majority of them united into molecules.
所有的都是由不计其数的原子构成，其中大多数原子结合成为分子。
Six mathematical enumerative problems in quantum information and quantum computation;
量子信息论与量子计算中的六个数学问题
Four Combinational Problems in Quantum Information and Quantum Computation;
量子信息论与量子计算中的四个组合数学问题
Simplified Calculation of Carbon Atom s Hybridized Orbital Index in Organic Molecules;
有机分子中碳原子杂化轨道指数的简单计算
electron-photon shower counter
电子光子簇射计数器
Generic specification for medium size computer
GB/T13723-1992中型数字电子计算机通用技术条件
A numerical calculation of three dimensional electric field in the central region with 20° rotation of ion source
离子源转动20°后中心区的三维电场数值计算