在补偿中子仪器上要加偏心器。
科学家用到了一种叫离子显微镜的仪器，来比较月球岩石上氢的含量与重氢含量（重氢比普通氢多带有一个中子）。
The researchers used what’s called an ion microscope to compare the amount of normal hydrogen in the moon rocks to the amount of the hydrogen isotope deuterium, which carries an extra neutron.
利用常规仪器（堆控制室中的启动装置）测得反应堆中稳定的中子计数率来刻度控制棒的反应性当量。
The steady counting rates of neutron in reactor are measured by a conventional instrument(the start-up devices)to calibrate reactivity worth of a control rod.
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.
仪器在河南油田得到广泛应用，在孔隙度计算，岩性识别及套后中子测试等方面均取得良好的应用效果。
The application in Henan Oilfield shows excellent advantages in the aspects of computation of porosity, identification of lithology as well as casing hole compensated neutron log.
NLT A中子寿命测井仪是用于储集层评价、油层动态监测等生产测井领域的新型测井仪器。
NLT-A Neutron Lifetime logging tool is a new logging tool which is used to evaluate the reservoir and monitor the reservoir behavior.
源距是中子测井仪器的主要参数，它在很大程度上决定测井仪的孔隙度精度、灵敏度、分辨率以及环境因素影响状况。
Source spacing is one of the key parameters of neutron logging tool, by which permeability precision, sensitivity, resolution of the logging tool are determined to a large extent.
中子能找水技术是利用中子能谱测量原理研制出来的一种找水仪器及测试工艺。
Water seeking technique with neutron energy is a water seeking instrument and testing technique using the principles of neutron energy spectrum measurement.
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.
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.
通过C8051F040单片机对中子管的灯丝电压、靶压以及阳极脉冲进行控制，使其工作在一个理想状态，是提高仪器测井效率、延长中子管使用寿命的重要手段。
By using C8051F040 SCM to control the neutron tube's filament voltage, the target voltage and the pulse of the anode, the downhole tool can work at an ideal state.
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.
研制成功了一台用于脉冲中子发生器煤质在线分析仪器的脉冲高压电源样机，并在这台样机上进行了试验研究。
On the basis of parameter designed, a prototype of high voltage pulse power supply is developed and some researches and tests have been done.
这些结论丰富了中子测井仪器自身条件变化对计数影响的相关理论，为仪器优化设计提供了理论依据和有效工具。
These conclusions have enriched the theory a-bout effects caused CNL tool's changes on the detectors' count rates, thereby providing theory warrant and effective means for optimum design of CNL tools.
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.
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.
应用推荐