| 1. | It possesses hard x - ray bursts the properties of which differ markedly from those of other known high - energy bursts
它产生的硬x射线爆发，性质和其他已知的高能量射线爆发有很大分别。 |
| 2. | The energy band of hard x - ray , with strong penetrability , is an important astrophysical wave band
硬x射线能段是天体物理的重要波段，由于具有较强的穿透能力，因而它可以携带辐射区的很多信息。 |
| 3. | Accordingly , hard x - ray modulation telescope ( hxmt ) is a significant implement that will accelerate human ' s knowledge about the thermal radiation process of high - energy celestial bodies
硬x射线调制望远镜hxmt正是推进人类对天体高能辐射过程的认识重要工具。 |
| 4. | The in - flight energy calibration system for hxmt was developed and verified by experiment . several factors that affect its performance were discussed
摘要提出了用于硬x射线调制望远镜的能谱标定方案，并进行了原理实验验证，同时讨论了影响能谱标定系统性能的几个因素。 |
| 5. | The experiment system for studying the interaction of high intensity ultrashort pulse laser with solid targets , the facilities and methods for measuring ultrafast hard x - ray have been built
首先建立了用于测量激光等离子体产生的超快硬x射线的、基于低本底hpge谱仪的单光子测量方法和设备。 |
| 6. | When trying to design the hxmt , it has to be answered that whether the hxmt and its workgroups can endure the mechanics conditions at launching state or not
硬x射线调制望远镜hxmt整体结构及其各工作单元的强度和刚度是否能承受发射状态的力学环境，这是对硬x射线调制望远镜hxmt进行设计时必须解决的问题。 |
| 7. | In this paper , the hxmt and its main components , collimator parts , are simulated on the mechanics conditions at launching state , by using fem software , ansys and i - deas
利用现有有限元程序ansys和i - deas ，本文对硬x射线调制望远镜hxmt的重要部件? ?准直器单体及其硬x射线调制望远镜hxmt整体在发射时的力学环境进行有限元分析。 |
| 8. | The x - ray is isotropic measured by pin detector , the hard x - ray ( > 30kev ) production become smaller with the reduction of the incident laser intensity , when the intensity is lower than 1014w / cm2 , there is no hard x - ray
X射线是各向同性的， x射线产额随入射激光强度的降低而减小，当强度小于10 ~ ( 14 ) w cm ~ 2时，不再有硬x射线产生。 |
| 9. | The plasma density scale length given by combination of ponder - motive force and thermal pressure is suitable for vh . considering the spatial intensity distribution in focal spot , the ra may give some contribution in some place
X射线是各向同性的， x射线产额随入射激光强度的降低而减小，当强度小于10 ~ ( 15 ) w cm ~ 2时，不再有硬x射线产生。 |
| 10. | Of course , the next big step for chinese space astronomy would be to deploy a satellite dedicated only for astronomical research . there are currently a few projects in the planning stage , including a hard x - ray all - sky survey satellite the hard x - ray modulation telescope mission , and a " microsatellite " weight less than 100 kg mission to study long - term variability of stars and galaxies space - based multi - band variable objects monitor
当然，下一步首先应是发射专门用作天文研究的卫星，目前有几个计划正处于策划阶段，包括建造一枚作硬x射线巡天观测的卫星硬x射线调制望远镜， hxmt和一枚微型卫星重量不逾100公斤，来研究恒星和星系的长期变化空间变源监视器， svom 。 |
