推进剂

As with the DF-31, this system is very likely to incorporate key design features including road mobility, use of solid fuel propellant, MIRV and decoy technologies.

如同DF-31一样，这一个系统很有可能要综合主要设计特点，包括道路机动、固体燃料推进剂、MIRV和诱饵技术。

An analytical model of the combustion process is then used to calculate the axisymmetric two-dimensional mixture ratio distribution and mixing, and the propellant evaporation losses.

1分析模型的燃烧过程，然后用来计算轴对称的两维混合比的分布和混合，以及推进剂蒸发损失。

Fluent software was used as a calculaˉ tion platform, and its UDF compiler was used to inject mass, mome ntum and energy of ignition gas and propellant gas into chamber. Combining with kˉε twoˉequation turbulence model and Pˉl radiation model, the 3ˉD nume rical simulation of ignition transient process of some solid rocket motor with st arˉshaped charge and a cove was conducted.

文中以Fluent软件为计算平台，采用UDF编译来实现点火燃气和推进剂燃气的质量、动量、能量向燃烧室的注入，结合 kε两方程湍流模型、 P l 辐射模型对某有堵盖的星形装药固体火箭发动机的点火瞬态过程进行三维数值计算。

The dextrose monohydrate used for making these batches of propellant was dried in an oven at 110C °, in batches of 250 grams, for 100 minutes.

该葡萄糖水合物用于制造这些批次的推进剂是干在一炉在 110c °，在批250克，为100分钟。

This paper, the experimental research on contribution of Al and RDX and high nitrogen content nitrocotton to a screw CMDB propellant, is carried out, a proper content about Al, RDX is selected in this propellant, and a problem of the propellant mechanical properties which use high nitrogen content nitrocotten is solved.

研究了Al粉、RDX及高氮量硝棉对螺压高能改性双基推进能量的贡献，配方选择了比较合适的Al粉、RDX含量，解决了采用高氮量硝棉的推进剂的力学性能问题。

Burning of the propellant grain always progresses normal to the burning surface, and occurs in a uniform manner over the entire surface area exposed to combustion.

燃烧的推进剂药柱始终进展正常燃烧表面，并且发生在一均匀地在整个表面积暴露在燃烧。

In 1953 the first tactical missile using a storable propellant (nitric acid and carbon-hydrogen fuel), the R-11, was created with a range of 270 km. The R-11's launch mass was 5.5 tons and the nose cone mass was 0.67 tons.

1953年，第一种使用可贮存推进剂的战术导弹R-11被研制出来，射程270千米。R-11的发射质量是5.5吨，可携带质量为0.67吨的弹头。

Combustion instability in liquid rocket engine is investigated with theoretical analyses, numerical simulations and experiments. Nonlinear science, such as Nonlinear Dynamics, Non- equilibrium Thermodynamics, and Wavelets, is introduced in the studies.Nonlinear oscillation equation of chamber pressure is established.

本文结合非平衡热力学、小波分析、非线性动力学等非线性学科，建立燃烧稳定性理论模型，发展两相喷雾燃烧非定常数值模拟程序，利用激光测粒系统，发动机高频热试系统等测试手段，重点围绕液体推进剂的化学动力学过程，对燃烧不稳定进行了较为系统的理论、仿真和实验研究。

The results show that CL 20 is a prominent energetic oxidizer in the high performance formula design.

通过对比分析发现，随着AP、铝粉含量的降低和CL 2 0的增加，推进剂的比冲增加，体系的特征信号降低。

Thus, preparation of the propellant with the larger oxidizer particles resulted in a 7% potential performance loss.

因此，制备推进剂与氧化剂颗粒较大，导致在7 ％的潜在的性能损失。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。