| 1. | Calculation of chopper voltage on ns pulsing system of neutron generator
脉冲中子发生器切割板电压计算 |
| 2. | Activation detection of the neutron yield from a dpf pulsed neutron source
脉冲中子源中子产额的活化测量研究 |
| 3. | The author of this paper has developed a controlled circuit of the pulse neutron generator
必须对脉冲中子发生器原来的控制电路重新研制。本论文对脉冲中子发生器控制电路进行了研究。 |
| 4. | The spallation neutron source providing the most intense pulsed neutron beams in the world is being built in tennessee by the u . s . department of energy
美国能源部正在田纳西州建造世界上最强脉冲中子束的散裂中子源。 |
| 5. | By using this method , the measurement precision has reached the requirement of coal analysis , and a pulse neutron coal fast analyzer has been developed
利用此方法，已经使测量精度达到了煤质分析的要求，并且研制出脉冲中子煤质快速分析仪。 |
| 6. | Utilizing the pulse neutron generator working with controlled circuit and time amplitude converter , the ash content in coal is measured , and we provides a safe and on line methods
通过该思路，利用脉冲中子发生器，控制电路，多道脉冲幅度分析器对煤中灰份的含量进行了测量，提出了一种实时、安全的快速检测方法。 |
| 7. | The pulse neutron generator " s delaying time are measured by the time - amplitude converter and multichannel pulse amplitude analyzer . according to these times , the linear gate circuit " s opening time can be adjusted
用它和多道脉冲幅度分析器配合测量脉冲中子发生器发射中子的滞后时间，据此调整线性门电路的开门时间。 |
| 8. | The pulse neutron generator can be used to analyze the elements in substance , because it can produce pulse neutrons which have the characteristics such as high energy , monohcrome , safe using and controlled easily
脉冲中子发生器具有产生的中子能量高、单色性好，可控、使用安全，可产生脉冲中子的特性，可用来对物质进行元素分析。 |
| 9. | In the foreign country , neutron induced prompt gamma - ray analysis ? ipga was used to analyze the elements in substance and has been used in real production and industry " s analysis on line now . in our country , the method has been studied and used from 70 " s and has been more and more perfect . however , the neutron source they used is the isotope source
在国外，早已开始采用中子感生瞬发射线分析法( nipga )对物质进行元素分析，如今这种方法已经应用于实际生产和工业在线分析，国内在八十年代也开始研究、应用这种方法，如今已日趋完善，然而，他们使用的中子源绝大多数仍然是同位素中子源，做为一种可行性实验方法研究，我们采用脉冲中子发生器做为中子源，自行研制的线性门电路和多道脉冲幅度分析器相配合，获取非弹性散射和俘获谱，对物质进行元素分析。 |
| 10. | Adopting single pulse neutron exposure 22ne ( a , n ) 2dmg and the updated neutron cross section , making use of the core helium burning model of the single neutron exposure theory , we calculate the s - process nucleosynthesis in massive stars at different mettalicity and compare the results with the solar s - weak component
我们采用单脉冲中子源‘ zne （ a ， n ） zsmg ，采用最新发表的中子俘获截面，用中心氦燃烧模型计算了各金属丰度情况下15m m叼0m 。的大质量星的s过程核合成，并将所得结果与太阳的s刁分量进行比较。 |
