| 1. | Acceleration mechanism of cosmic ray
宇宙线加速机构 |
| 2. | Research on acceleration mechanism of abrasive in pre - mixed abrasive water - jet
前混合磨料水射流磨料颗粒加速机理分析 |
| 3. | In the experiment of the angular distribution of the hot electrons emission , three - peaks and double - peaks emission of the hot electrons resulted from the multi - acceleration mechanisms are observed in our experiments
在超热电子发射的角分布实验研究中，发现由几种加速机制所支配的超热电子的三峰发射和双峰发射。 |
| 4. | Here the author sums up two main acceleration mechanisms of proton , proton energy , angular distribution , proton yields and correlative principle in different experimental conditions
文章综述了产生质子的两种主要加速机制以及在不同实验条件下超短超强激光与等离子体相互作用过程中得到质子的能量、角分布、产额以及相关的原理。 |
| 5. | Based on the studies of new product development ( npd ) , this research presents a conceptual framework of the interrelationships among acceleration mechanisms , npd performance and npd project success
摘要本研究依据过去新产品开发文献，提出一个结合加速机制、新产品开发绩效指标（包括：开发速度、开发成本、开发品质）与新产品专案成功之理论架构，并试图验证各构面间之关系。 |
| 6. | The peak in the direction of the target normal is consistent with mat of predicted by the resonance absorption and another peak of hot electrons emission in the specular reflection direction is due to the multi - acceleration mechanisms . the hot electrons emission along the back - reflection direction is probably caused by the acceleration of the back - reflection laser , which is for the first time put forward by us
其中，靶法线方向的超热电子发射峰与共振吸收( res ~ eabso甲tion )机制所预言的一致;根据理论估算提出激光反射方向的超热电子发射峰是几种加速机制共同作用的结果;我们首次提出背反射激光加速超热电子的新机制，并用此机制解释了激光背反射方向产生的超热电子发射峰。 |
| 7. | The generation of energetic ions during the interaction of a linear - polarized ultra - short ultra - intense laser pulse with solid targets are examined by particle simulation . three energetic ion populations are observed and the acceleration mechanisms are analyzed , respectively . the first population is pulled out from the target by the electron jet in front of the target
模拟观察到三群高能离子的产生，并对其加速机制一一进行了分析:在靶的前部，向外喷射的高能电子在靶前形成电子云，将一部分离子拉出靶面，形成第一群高能离子;激光驱动大量高能电子向靶内输运，这些电子牵引靶前部的离子向前加速，形成第二群高能离子:高能电子很快穿透靶，在靶后形成电子云，加速靶后表面处的离子，形成第三群高能离子。 |
| 8. | The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma . an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments . the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution
E11分布，拟合的超热电子有效温度约200kev左右，超热电子的最大能量约zmev ，加速电子的主导机制是共振吸收机制;反射方向超热电子的能谱在低能段出现一个局部的平台( pla1leau ) ，呈现出非类maxwen分布，这是几种加热机制共同作用的结果，其中占主导地位的是反射激光加速机制。 |
| 9. | In chapter one , we make a review of particle acceleration theory and the use in solar corona . in chapter two , first we get the spectrum of synchrotron radiation then obtain the electron energy spectrum . in last chapter , we select the typical solar active region parameter to compare our result to the observation and discuss the acceleration mechanism
本文第一章对粒子加速理论以及目前各种加速理论在太阳日冕中的应用作了介绍；第二章通过理论计算得到同步加速辐射谱以及电子能谱；第三章选取太阳日冕中典型参数，对同步加速辐射加速日冕快电子作了简单讨论。 |
| 10. | The findings show that ( 1 ) most acceleration mechanisms would facilitate npd speed effectively except the external sourcing of knowledge ; ( 2 ) internal corporate - level acceleration mechanism has a positive direct and indirect influences on project success , while two acceleration mechanisms of internal project - level and external sourcing of knowledge only have indirect effects ; ( 3 ) the result identifies a significant positive relationship between npd speed and quality as well as a significant negative relationship between npd speed and cost
主要研究发现为： ( 1 )除了外部技术来源加速机制一项外，其他加速机制都能有效加速新产品开发速度； ( 2 )内部公司层级加速机制对专案成功有正向的直接效果与间接效果，而内部计画层级加速机制与外部技术来源加速机制两项则仅有间接效果； ( 3 )新产品开发速度愈快，愈能降低开发成本以及提升开发品质。 |
