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recovery capsule
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     A numerical simulation of sub_tranconic and hypersonic flow fields over recovery capsule is studied by solving Euler equations and Navier_Stokes qeuations. The Euler equations are solved by Second Order Godunov Limited Volume Method.
     文章基于Euler方程及N_S方程的数值求解方法 ,对返回舱亚、跨声速和高超声速的流场及气动特性进行了数值模拟 ,其中Euler方程数值求解采用二阶Godunov有限体积法 ;
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     Measurement and Evaluation of Radiation Dose Distribution of γ-ray Altimeter in Static Test for Recovery Capsule during Simulated Landing.
     γ射线高度计在模拟航天器回收舱着陆的静态实验中剂量分布的测量及其评价
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     The γ-ray altimeter, containing a γ-radioactive source 137 Cs with activity of 2.96 ×10 10 Bq,was used to detect the height of the spacecraft recovery capsule during landing.
     γ射线高度计用于航天器回收舱回收着陆过程中的近地高度测量。 其内装有活度为2.96×1010Bq的137Csγ放射源。
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     The ground reflection effect for γ-ray decreases as height of the recovery capsule increases.
     随着回收舱高度的增加,地面对γ射线的反射作用将下降。
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     Therefore, the γ-dose level at useful load in the recovery capsule will meet the requirements of flight safety.
     因此,回收舱内有效载荷处的γ剂量率水平将满足安全飞行的要求。
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  “recovery capsule”译为未确定词的双语例句
     Conclusions: Triple recovery capsule can improve immigrants' heart function and manual work efficiency at high altitude.
     结论:服用三康胶囊能明显提高高原移居青年的心功能及做功效率。
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     The Clinic Research of Curing Glomerulus Nephritis by Nephritis Recovery Capsule
     肾炎康系列胶囊治疗肾小球肾炎的临床研究
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     EFFECTS OF HIGH ALTITUDE RECOVERY CAPSULE ON BLOOD - GAS AND ACID - BASE OF RATS EXPOSED RAPIDLY TO HIGH ALTITUDE
     高原康胶囊对急进高原大鼠血气及酸碱平衡的影响
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     Effects of Triple Recovery Capsule on Heart Function of High Altitude Transmigrates
     三康胶囊对高原移居青年心功能指数的影响
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     Pure graphite powders were subjected to single to fourfold shock-compressions by use of an explosively driven metal flyer impacting onto the recovery capsule,and polycrystal cubic diamond of high purity and with regular morphology was synthesized from the graphite under pressures from 24 to 37GPa. Convertion ratio from graphite and particle size of diamond displayed an increased trend with the compression times.
     利用高能炸药爆轰产物驱动金属飞片,碰撞“硬”回收包套以输入平面冲击波,在24—37GPa的压力范围内,对纯石墨进行一至四次的冲击压缩实验,合成出了纯度很高、形貌良好的立方型聚晶金刚石,随着冲击次数的增加,金刚石的转化率和粒度有增大的趋势。
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     Effect of Xuesaitong Capsule on stroke during recovery phase
     血塞通软胶囊在脑卒中康复期的应用
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     Recovery of "the Other"
     “他者”的复苏
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     ON MINERAL RECOVERY
     谈选矿回收率问题
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     The Clinic Research of Curing Glomerulus Nephritis by Nephritis Recovery Capsule
     肾炎康系列胶囊治疗肾小球肾炎的临床研究
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     . and Ranjianduoji capsule.
     1、本草考证与文献考查
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  recovery capsule
Numerical analysis of semiconductor thermocouple operation in recording exothermic processes in a recovery capsule
      


Pure graphite powders were subjected to single to fourfold shock-compressions by use of an explosively driven metal flyer impacting onto the recovery capsule,and polycrystal cubic diamond of high purity and with regular morphology was synthesized from the graphite under pressures from 24 to 37GPa. Convertion ratio from graphite and particle size of diamond displayed an increased trend with the compression times. When the particle size of diamond is greater than about 100μm, however, it is easily to be...

Pure graphite powders were subjected to single to fourfold shock-compressions by use of an explosively driven metal flyer impacting onto the recovery capsule,and polycrystal cubic diamond of high purity and with regular morphology was synthesized from the graphite under pressures from 24 to 37GPa. Convertion ratio from graphite and particle size of diamond displayed an increased trend with the compression times. When the particle size of diamond is greater than about 100μm, however, it is easily to be fractured if the shock pressure is high (over 20GPa) while the temperature is low (below 1000K).

利用高能炸药爆轰产物驱动金属飞片,碰撞“硬”回收包套以输入平面冲击波,在24—37GPa的压力范围内,对纯石墨进行一至四次的冲击压缩实验,合成出了纯度很高、形貌良好的立方型聚晶金刚石,随着冲击次数的增加,金刚石的转化率和粒度有增大的趋势。但是,当金刚石粒度较大时(约100μm以上),如果冲击温度较低(约1000K以下)。同时冲击压力又较高(约20GPa以上),金刚石颗粒就容易被冲击波破碎。

The γ-ray altimeter, containing a γ-radioactive source 137 Cs with activity of 2.96 ×10 10 Bq,was used to detect the height of the spacecraft recovery capsule during landing.To measure the γ-dose distribution near to the guidance section, especially at position where the useful load is located in recovery capsule,γ-dose field at the test-site for one machine test was measured by means of a γ-dose rate meter FJ-317C and a γ-dose meter AHPИ-01-02. The result showed that the absorbed...

The γ-ray altimeter, containing a γ-radioactive source 137 Cs with activity of 2.96 ×10 10 Bq,was used to detect the height of the spacecraft recovery capsule during landing.To measure the γ-dose distribution near to the guidance section, especially at position where the useful load is located in recovery capsule,γ-dose field at the test-site for one machine test was measured by means of a γ-dose rate meter FJ-317C and a γ-dose meter AHPИ-01-02. The result showed that the absorbed dose rate at 5 meters from γ-source on the ground is as low as the radiation protection limit when the altimeter is down to 0.16 m from the ground.The ground reflection effect for γ-ray decreases as height of the recovery capsule increases. Therefore, the γ-dose level at useful load in the recovery capsule will meet the requirements of flight safety.

γ射线高度计用于航天器回收舱回收着陆过程中的近地高度测量。其内装有活度为2.96×1010Bq的137Csγ放射源。为了解仪表舱附近,特别是回收舱内有效载荷所在处的γ剂量分布,利用FJ-317C_γ剂量率仪和AHPИ-01-02γ剂量率仪对单机试验现场的γ剂量场进行了测量。结果表明,当高度计下降到距地面0.16m时,地面上距γ源5m处的吸收剂量率低于辐射防护限值。随着回收舱高度的增加,地面对γ射线的反射作用将下降。因此,回收舱内有效载荷处的γ剂量率水平将满足安全飞行的要求。

A numerical simulation of sub_tranconic and hypersonic flow fields over recovery capsule is studied by solving Euler equations and Navier_Stokes qeuations. The Euler equations are solved by Second Order Godunov Limited Volume Method. Harten_Yee/TVD scheme is applied to solve the Navier_Stokes equations. The surface pressure distributions, aerodynamic coefficients, flow features including shock wave, flow separation and vortex are obtained by using above numerical procedure for capsule in different...

A numerical simulation of sub_tranconic and hypersonic flow fields over recovery capsule is studied by solving Euler equations and Navier_Stokes qeuations. The Euler equations are solved by Second Order Godunov Limited Volume Method. Harten_Yee/TVD scheme is applied to solve the Navier_Stokes equations. The surface pressure distributions, aerodynamic coefficients, flow features including shock wave, flow separation and vortex are obtained by using above numerical procedure for capsule in different range of speed. Moreover, the numerical results agree well with those of experiments. Through analyses for the numerical results of flow_field of perfect air, equilibrium and Non_Equilibrium air, this thesis demonstrates that the influence of real air effects on the aerodynamics characters of the capsule is not significant. The numerical results illustrated that the numerical simulation is an effective tool to predict aerodynmic characters capsule.

文章基于Euler方程及N_S方程的数值求解方法 ,对返回舱亚、跨声速和高超声速的流场及气动特性进行了数值模拟 ,其中Euler方程数值求解采用二阶Godunov有限体积法 ;N_S方程数值求解采用二阶Harten_Yee格式的差分法。得到同实验值一致的物面压力、气动力系数和在不同速度范围出现的激波、流动分离及旋涡等流场特征。通过完全气体、平衡气体和非平衡气体的流场数值模拟结果分析比较 ,得出真实气体效应对返回舱气动力特性影响较小这一结论。计算结果表明数值模拟方法是预测返回舱气动特性的有效手段

 
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