Neutron activation analysis for uranium in soild may delineate structures.
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.
分析测定土壤中的铀以圈定构造。
Known as "neutron activation," the technology provides precise results, even on tiny samples.
这种被称作“中子激活分析”的技术甚至能对微小的样本提供精确的结果。
The results lay the foundation for the study of on-line neutron activation analysis system.
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。
Neutron activation technique was first tried to make tracing measurement for bed-load movement.
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。
The instrumental neutron activation analysis was used to determine Cr content in chromium-rich yeast cells.
利用中子活化分析法对富铬酵母中的铬进行了测定。
The neutron activation iron method was contrasted with the associated-particle method, the preparatory experiment was done.
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。
An automatic data processing system for reactor neutron activation analysis is designed for personal computer in DOS environment.
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。
The design of automatic radiation and measuring system for neutron activation analysis and its realization are introduced in this paper.
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。
Neutron Activation Analysis(NAA) is a valid nuclear analytical technique, whichoccupy an important position in the chemical element analysis.
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。
The chemical compositions of the Ningqiang carbonaceous chondrite matrix and a dark rim are analysed with instrumental neutron activation method.
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。
Yields of neutron generators have been measured by the iron foil neutron activation method and a long counter separately. The methods and results are given.
用铁片活化法和长计数管测量中子发生器的中子产额，给出了测量方法和结果。
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.
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。
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.
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。
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.
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。
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.
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。
A new method was developed to measure the neutron albedo by the Monte Carlo code and the activation method.
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。
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.
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。
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。
The carbon-oxygen log, elemental capture spectroscopy log, pulsed neutron spectroscopy log, aluminum activation log and oxygen activation log are all examples of activation logs.
碳氧比测井、元素俘获能谱测井、脉冲中子能谱测井、铝活化测井以及氧活化测井都属于活化测井。
The intermediate and fast neutron flux spectrum in the core of the swimming-pool reactor is measured by multiple foil activation method.
用活化箔技术测定游泳池反应堆内中能中子与快中子通量谱。
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.
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。
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。
A method is presented for the measurement of integrated thermal neutron flux in a high flux reactor by a Co-activation method.
本文叙述了用钴活化法测定高通量堆中热中子积分通量的方法。
With MCNP/4B code, the influence of cut-off energy, flux tallies, nuclear databases and perturbation on the reaction rates calculation with neutron-activation method are analysed.
用MCNP／4B程序，对核活化法反应计算中的截断能量、通量计数方式、数据库、阈探测器之间的扰动等因素的影响作了分析。
Under the oxygen activation mode of pulse way, there are two ways to control neutron-emitting :1)neutron tube anode high voltage control, 2)neutron tubetarget voltage control.
在脉冲方式的氧活化工作模式下，控制中子发生器发射中子的方式有两种：控制中子管阳极高压或控制中子管靶压。
Under the oxygen activation mode of pulse way, there are two ways to control neutron-emitting :1)neutron tube anode high voltage control, 2)neutron tubetarget voltage control.
在脉冲方式的氧活化工作模式下，控制中子发生器发射中子的方式有两种：控制中子管阳极高压或控制中子管靶压。
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