| 1. | The relationship between shock wave velocity and particle velocity of no - porous enstatite can be expressed as : d = 3 . 771 + 1 . 516u where the unit of velocity is km / s
可以认为，从p phugongiot数据看，在50 160gpa范围内，顽火辉石的高压相是稳定的。 |
| 2. | ( 3 ) by using the new method put out in ( 2 ) , hugoniot data of no - porous samples of enstatite ( mg0 . 92 , fe0 . 08 ) sio3 which initial density is 3 . 273g / m3 , were reduced and the modified hugoniot data shows very small dispersivity
（ 3 ）用（ 2 ）中提出的新方法，对前人和本文的顽火辉石hugongiot实验数据进行了初始孔隙度修正。结果显示，不同研究者所得的hugongiot数据的分散性大大减小。 |
| 3. | So it is impossible for enstatite to decompose to oxides between 50 to 140gpa . ( 5 ) the bulk modulus k0s and its first derivative of pressure k0s " were calculated from the experimental hugoniot data , by using eularian limit strain theory
3 ）根据本文顽火辉石hugoniot实验数据（结合前人的实验数据l用欧拉有限应变理论计算得到的顽火辉石零压炸弹性模量及其对压力的一阶导数为： k叮一266gpa ， k ； ，二4 |
| 4. | The linear relationship between shock wave velocity d and particle velocity u of our samples were obtained : d = 3 . 701 + 1 . 527u there the unit of relocity is km / s . no phase transition shows for enstatite with perovskite structure according to the experimental linear d - u line up to 110gpa
实验结果表明，在80 115gpa压力范围内本文所用顽火辉石的冲击波速度d与粒子速度u可用线性关系： d = 3 . 247 + 1 . 626u来描述。 |
| 5. | Considering that no phase transition of enstatite with perovslite structure were found during these static high pressure experiments , the consistence of the bulk modulus also supports that the high pressure phase of perovskite structure of enstatite is stability between 50 - 140gpa
考虑到静高压下的数据是在实验中未发现顽火辉石高压相有相变的情况下得到的。因此，动高压与静高压实验数据的一致性支持了在80 ? 140gpa压力内预火辉石的高压相保持稳定的观点。 |
| 6. | ( 4 ) the hugoniot of the mixture of mgo ( mw ) and sio2 ( st ) were calculated by the additire principle of hugoniot for mixture , and compared with the experimental hugoniot of enstatite . the results shows that there exists large difference between both d - u relationship and p - n curve for the two hugoniot
516u （ 4 ）用混合物hugongiot线的叠加性原理计算了mgo （ mw ）和引。 （ st ）混合体系的hugongiot线，经过与顽火辉石实验hugongiot数据对比，无论是从心关系还是从一产关系上看两者均有较大差距。 |
| 7. | The main work and achierement are as following : ( 1 ) by using shock impedance matching technique and electric probe method , 5 shots of impact experiments were conducted to measure the hugoniot equation of state for enstatite ( mg0 . 92 , fe0 . 08 ) sio3 with the average initial density 3 . 05g / m3 from shock pressure 50 gpa to 115gpa , using two stage light gas gun
本文研究取得的认识主要有以下几点： ( 1 )用阻抗匹配法和电探针技术在80 115gpa压力范围内对平均初始密度为3 . 05g / cm ~ 3的顽火辉石样品进行了5发hugoniot状态实验测量。 |
| 8. | Shock wave compression technique has play an important role in the understanding of the material composition thermodynamic state and physical properties of the earth ' s ulterior . in this article , the stabling of high - pressure phase of one of the main candidate materials of the earth ' s lower mantle ? enstatite ( mg0 . 92 , fe0 . 08 ) sio3 were investigated through the experimented measurement of hugoniot equation of state , and together with thermodynamic calculation and analysis
本学位论文以冲击压缩技术为手段，从测量其hugoniot物态方程入手，结合高压物理和热力学理论分析，较深入地研究了下地幔中的一种主要候选组分顽火辉石( mg _ ( 0 . 92 ) ， fe _ ( 0 . 08 ) ) sio _ 3在与下地幔大致相当的温度压力条件下的相态-钙钛矿型结构的相稳定性。 |
