Reaction rates of 27Al(n,α)24Na, 197Au(n,2n) 196Au and 197Au(n,γ) 198Au reactions in Be/PE/Fe combined spheres bombarded by central DT neutrons were measured by activation foil method with a HPGe detector.
用HPGe探测器和活化箔法测量了DT中子照射下27Al(n,α)24Na、187Au(n,2n)196Au、197Au(n,γ)198Au反应在铍/聚乙烯/铁组合球中的活化率。
The mathematical model for a hollow composite sphere with non-uniform generation is worked out in this paper.
建立非均匀内热源组合球壁导热的数学模型,指出它是线性微分方程组,用叠加原理直接分别求得,在第一类、第二类和第三类边界条件下的层间稳态热流量和温度。
Using the heat flow distributing and superimposing, this paper has directly got the solutions for the steady heat conduction differential simultaneous equations of a hollow composite sphere under the boundary conditions of the first, second and third kinds.
用热流分流和叠加 ,直接得出非均匀内热源组合球壁稳态导热微分方程组 ,分别在第一类、第二类和第三类边界条件下的解。
In order to test a glass-shell measurement based on the Linear Variable Differential Transformer (LVDT), the sphere surface fitting is done with least square approximation, and its corresponding square surface is founded with its radius of curvature.
为估计一种基于线性可变差动传感器(LVDT)玻壳测试系统的质量,用最小二乘法对测试曲面进行球面拟合,得到相对应的玻壳曲面。
Sphere Assembly Model and Relaxation Algorithm for Packing of Non-spherical Particles
非球体填充的组合球模型及松弛算法
Measurement of Reaction Rates in Be/PE/Fe Combined Spheres
铍/聚乙烯/铁组合球中的反应率测量
On the Set Composition Teaching of Frontal Pass Technique of Volleyball;
排球正面传球技术成套组合教学研究
Synthesis and Fabrication of Inorganic/Polymer Core/Shell Microspheres
无机/聚合物核壳微球的合成与组装
Experimental Research on Optimal Combined Application in Volleyball Smash Skill Teaching;
排球扣球技术教法优化组合应用的实验研究
make a permutation of(numbers)in a football pool
(足球普尔赌博中)选定(数字组合).
Global Network of WHO Collaboration Centres
卫生组织合作中心全球网
The local schools formed a football league.
当地几所学校组建了足球联合会。
A Study on Globularization Mechanism of Lamellar Microstructure in Ti-17 Titanium Alloy;
Ti-17钛合金片状组织球化规律研究
Application of Assembled Skills in Universally Attended Football Course;
组合技术教学在足球普修课中的运用
Applying Study on Volleyball Referee Teaching with Mutimedia;
排球裁判多媒体组合教学的应用研究
Stability Analysis of Ellipsoid Steel-Concrete Composite Ribbed Shell
椭球面钢—混凝土组合肋壳稳定性分析
Design and implementation of the separation of EXCELL2000 microspheric combination logging tool.
EXCELL2000组合式微球测井仪分离的实现
Dynamic Globularization Behavior of TA15 Titanium Alloy with Lamellar Alpha Microstructure
片状组织TA15钛合金动态球化行为
Application of Biological Monitoring in Multi-combination Training Of Basketball
篮球“多元组合”训练过程的生化监控
Globularization Mechanisms during Hot Deformation Processes of TC11 Alloy with Lamellar Structure
TC11钛合金片层组织热变形球化机制
Basic Cooperation Combinations of Attack in Basketball match──Two Persons application with Sketch Examples;
篮球进攻基础配合组合──二人应用形式示例
Influence on Different Fertilizer Combination Breeding Bulb of Oriental Lily
不同肥料组合对东方百合种球繁育的影响