用中子活化分析测定土壤中的铀以圈定构造。
Neutron activation analysis for uranium in soild may delineate structures.
利用中子活化分析法对富铬酵母中的铬进行了测定。
The instrumental neutron activation analysis was used to determine Cr content in chromium-rich yeast cells.
介绍反应堆中子活化自动辐照检测系统的设计和实现过程。
The design of automatic radiation and measuring system for neutron activation analysis and its realization are introduced in this paper.
介绍了应用REE示踪法研究土壤侵蚀的中子活化分析方法。
INAA techniques of tracing REE applied to studies of soil erosion has been introduced in this paper.
并首次在国内试用了中子活化技术对底沙运动进行了示踪测定。
Neutron activation technique was first tried to make tracing measurement for bed-load movement.
堆中子活化分析中的另一重要干扰是堆快中子引起的阈反应干扰。
Another important kind of interferences in reactor NAA is due to threshold reaction induced by reactor fast neutrons.
计算结果表明，中子活化在线分析系统的最优化慢化材料为聚乙烯。
The results lay the foundation for the study of on-line neutron activation analysis system.
介绍了一个在微机上建立的反应堆中子活化分析数据自动处理系统。
An automatic data processing system for reactor neutron activation analysis is designed for personal computer in DOS environment.
采用仪器中子活化方法分析了宁强碳质球粒陨石基质及暗色边化学成份。
The chemical compositions of the Ningqiang carbonaceous chondrite matrix and a dark rim are analysed with instrumental neutron activation method.
通过对石英电子顺磁共振波话及中子活化分析结果的研究，探索其找矿矿物学。
At the same time, the prospecting mineralogy of the quartz has been discussed by way of studving the quartz EPR spectrum a.
中子活化分析是一种有效的核分析技术，在微量和痕量元素分析中占有重要地位。
Neutron Activation Analysis(NAA) is a valid nuclear analytical technique, whichoccupy an important position in the chemical element analysis.
利用中子活化分析技术测定了玻璃苗不同部位中的多种元素含量和分布状况及变化。
Meanwhile the variation and status of distribution of many elements content in the different parts of vitreous shoot were determined by neutron activation analysis technique.
在人工示踪法中叙述了中子活化示踪沙技术和稀土元素- DTPA螯合物示踪法。
In the paragraph of the method of using artificial tracer, there is the explanation about the tracer technology of neutron activation analysis and the method of Lanthanide-DTPA tracer.
研究结果表明冠醚萃取中子活化法可较好地用于岩石和复杂体系中痕量铼的分离分析。
The results show that the crown ether extraction- neutron activation method can be satisfactorily applied to the separation and determination of trace rhenium in rock samples and complex systems.
用仪器中子活化分析测定了南极中国长城站附近的费尔德斯半岛第三纪火山熔岩的微量元素含量。
The "Fildes Peninsula group" tertiary volcanic rocks analysed were outcropped near the Chinese Great Wall Antarctic Station.
结合中子活化分析及瓷釉研究的结果来看，这种改变应是因其制瓷原料或胎料配方发生变化引起的。
Combined with the results of INAA and glaze study, this change in elemental composition should be caused by the change in porcelain raw materials or body-making crafts.
采用仪器中子活化分析法(INAA)测定了华北晚古生代石炭纪-二叠纪58个煤及煤层夹矸和顶底板样品的稀土元素含量。
An INAA (Instrumental Neutron Activation Analysis) method was used to determine the abundance of rare-earth elements in 58 late Palaeozoic coals and related rocks in North China.
文中主要叙述了中子活化分析天然泥沙法的原理及在杭州湾北岸研究底沙运动的应用情况。这次试验区域是杭州湾北岸，共取现场泥样27个。
Authors describe the principles and application on investigation of bed-load movement along North Bank of Hangzhou Bay. 27 bed-load samples were callected in the test region.
本文建立了用改进的活化法与蒙特卡罗计算相结合测量中子反照率的方法。
A new method was developed to measure the neutron albedo by the Monte Carlo code and the activation method.
高能电子直线加速器隧道内的灰尘会通过光核反应、中子核反应而被活化。
The dust in the high-energy electron linac tunnel may be activated via photonuclear reaction and neutron nuclear reaction.
文章介绍了脉冲中子氧活化能谱测井的测量原理、测井工艺及该技术在江苏油田应用情况。
This paper briefly describes the measuring theory and operation process of pulsed neutron oxygen activation spectrum logging, and introduces the application of this technology to Jiangsu Oilfield.
考虑镉的屏蔽和探测箔的自身散射影响后的屏蔽，求出每一种探测箔在中能区各群的中子屏蔽因子，从而求得有效活化反应截面。
Neutron shielding factors of the foil are calculated for each group in intermediate energy range with detail consideration of cadmium filter and scattering by the foil itself.
文章介绍MZY -DD1脉冲中子氧活化测井仪的工作原理、仪器结构及电路原理。
The operational principle, structure and field application results of a new designed impulse oxygen activation tool, MZY-DD1, is presented.
通过铁活化法与伴随粒子法得到的中子注量相比较，完成了预备实验。
The neutron activation iron method was contrasted with the associated-particle method, the preparatory experiment was done.
根据中子氧活化技术的特点，分析了中子氧活化测井技术的优势以及油田监测中通过该技术解决的问题。
On the basis of features of neutron oxygen activation technique, analyzed are its advantages in well logging, and discussed is how problems to be solved by it in oilfield monitoring.
在单芯电缆测量的脉冲中子氧活化仪器中，如何从地面实现对井下中子管的控制是一个非常复杂的问题。
How to control the downhole tool's neutron tube from the surface is a complex problem in the pulse neutron oxygen activation logging tool, which measures through a single core cable.
在利用活化法进行中子能谱测量中，活化箔的多群截面是必须的输入参数之一。
The multiple group cross sections are indispensable when we want to obtain the neutron spectrum by multiple foil activation method.
在利用活化法进行中子能谱测量中，活化箔的多群截面是必须的输入参数之一。
The multiple group cross sections are indispensable when we want to obtain the neutron spectrum by multiple foil activation method.
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