推進劑程度 的英文怎麼說

中文拼音 [tuījìnjìchéngdù]
推進劑程度 英文
propellant level
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 進 : 進構詞成分。
  • 劑 : Ⅰ名詞1 （藥劑; 制劑） a pharmaceutical or other chemical preparation 2 （某些有化學作用的物品） a...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 推進 : 1 （推動工作 使前進） push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
  • 程度 : 1. （知識、能力的水平） level; degree 2. （事物變化達到的狀況） extent; degree
  1. When nals was used as the collector in the process, the optimal conditions were the ph of feed solution 5. 0 - 6. 0, air flow rate 100ml / min, the liquid column depths 20cm, the surfactant concentration determined by its cmc and feed concentration. under this condition, the 3 can be above 20. also, the optimal ph ( 5. 0 ) was calculated theoretically for the recovery of the cu ( ii )

    對以十二烷基硫酸鈉為捕集劑的泡沫吸附分離過程的工藝參數進行了研究，並得出本分離系統所確定的最佳工藝參數為： ph5 . 0 6 . 0 ，氣體流量100ml min ，液位高度20cm ，最佳表面活性劑濃度由其臨界膠束濃度和原料液濃度確定，此時（濃縮比）可達20以上；同時還從理論上推算出泡沫吸附分離銅的最佳ph值范圍為5 . 0左右。
  2. Boron coated with different content ap on the rheological properties of the slurry containing 30 % boron have been carried out with the help of the sv2 / sv2fl measuring system in haake rotary viscometer. the experimental results reveal that the rheological properties of the slurry of boron coated with 20 % ap is best, namely, the slurry has a good levelability and a long pot life. the optimum conditions in the preparation of the boron - based propellant with 30 % boron in weight were obtained, and a technical and theoretical foundation has been established for the formulae determination

    3 、用進口haake旋轉粘度儀對不同包覆硼粉在硼含量為30以上的實驗配方藥漿中的流變特性研究，篩選出用20 ap包覆的硼粉所製成的藥漿不僅流平性好而且適用期長，同時找到了含硼量為30的高含硼量推進劑藥漿成功研製的成熟工藝過程及條件，為配方的進一步定型奠定了較扎實的技術和理論基礎。
  3. As to the experimental study, a test system was designed firstly, which include propellant feed system, cooling system, controlling system and measure system. secondly, a test engine was designed according to the experimental requirement. on this basis, experiments under different working conditions were done, and the results of them were analyzed, which showed the combustion efficiency and stability

    實驗方面，首先設計了針對三組元發動機推力室工作過程進行試驗的試驗系統，包括推進劑供應系統與冷卻水供應系統、控制系統以及壓力、溫度、流量的測量採集系統；其次，設計出符合試驗要求的縮尺發動機；最後針對所設計的試驗系統和發動機，進行了不同工況的試驗，對所得數據進行了分析處理，得到了不同工況下燃燒效率和燃燒穩定性特性。
  4. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬，所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備，如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數，通過實驗發現氬比氮工作更穩定
  5. Abstract : this paper analyzes the unbalanced output of flow at the exit of para llel - arranged tanks of space vehicle, and estimates the degree of unbalanced o u tput from the aspect of engineering

    文摘:分析了空間飛行器推進劑貯箱並聯設置時產生的不平衡輸出問題，從工程角度估計了不平衡輸出的程度。
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