彈壓底 的英文怎麼說

中文拼音 [dànde]
彈壓底 英文
spring base
  • : 彈名詞1. (彈子; 小球形的東西) ball; pellet 2. (內裝爆炸物, 具有破壞和殺傷能力的東西) bullet; bomb
  • : 壓構詞成分。
  • : 底助詞(用在定語后, 表示定語和中心詞之間是領屬關系, 現在多寫作「的」)
  1. It can be used not only to change the fire precision of the base bleed projectile, but also to improve the effect of reduction drag and expansion range. the calculating model of the secondary expansive pressure of the burning gas is constructed by means of analysis of the experimental resuits, it has been confirmed that the new base bleed unit can be designed, with the secondary expansive principle of the burning gas pressure. the engineering project of a hybrid base - bleed - rocket high - level efficient extended - range projectile is designed, with the secondary expansive principle of the burning gas pressure, the feasibility and the true worth of its engineering applications is validated in theory

    本文提出了排燃氣力不隨外部力變化,既可改善射擊精度又可提高減阻效果的二次擴張原理,建立了排燃氣二次擴張力的計算模型,並通過採用二次擴張原理的新型排裝置與傳統排裝置的對比試驗,驗證了新型排裝置結構實現的可行性;完成了基於排燃氣二次擴張高效增程原理的排?火箭復合高效增程方案設計及其有關計算,從理論上驗證了其工程應用的可行性和實際價值。
  2. With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is

    分析得出,隨著側力系數的增大,主應力量值減小,主應力方位難改變;隨著與斷層走向的夾角增大,主應力量值增大,應力方向難改變:隨著巖石的性模量的增大,主應力量值增大,方向變化越大;隨著泊松比的增大,主應力量值減小,方位變化越大。隨著側力系數的增大,頂、拱處的各應力值增大,拱腰處的主應力減小,剪應力增大,側拱處的各主應力減小,同一側力系數的條件下圍巖質量越差,各應力值也越小;隨著洞室埋深的增加,圍巖力也增大,圍巖質量越差,其應力值也減小。
  3. Three separately managed and marketed companies that manufacture coil processing equipment, ashphalt shingle and paving machinery, and metalforming machines for shaping hollow cylindrical blanks. site incorporates links to detailed information about each company and its products

    -生產聚氨酯設備,產品包括聚氨酯鞋成型機聚氨酯連幫成型機聚氨酯高發泡機聚氨酯低發泡機聚氨酯性體灌注機聚氨酯精密灌膠機聚氨酯澆注機聚氨酯發泡機組及聚氨酯生產線等。
  4. Analyzed 8 kinds of regulated plugs. calculating and analyzing results showed : ( 1 ) the most sensitive parts of all the plugs were near the bottom of axes of the notch, which was easily into auxiliary when under high pressure and caused unbalance or break of plugs. ( 2 ) comparison of 8 kinds of plugs proved that the design of plug of primer 9 second was optimization because it was in plastic under increase and decrease in pressure

    對國內8種制式閉氣塞:- 9乙式火閉氣塞、海130火閉氣塞、海76炮火閉氣塞、- 5火閉氣塞、- 4火閉氣塞、- 8火閉氣塞、- 25火閉氣塞及- 125火閉氣塞分別進行了有限元數值分析,計算結果表明: ( 1 )閉氣塞凹槽部靠軸心處為其機械強度最為敏感區域,在承受高過程中易破裂。
  5. In consideration of the characteristics of big pressure changes in near wellbore area of low permeability reservoirs, based on experimental result, a single well percolation mathematical model that the reservoir physical property changed with effective stress was established, equations were given for calculating the elastics and elastoplastic reservoirs under the condition of oil and water flow and an analytical equation was also given for calculating the reservoir production and bottom - hole flowing pressure

    摘要針對低滲油藏近井地帶力變化幅度大的特點,以試驗結果為基礎,建立了考慮儲居物性隨地層有效應力變化的單井滲流數學模型,給出了油水兩相流動下的性和塑性儲層的數值解計算公式,以及性儲層的產量和井解析表達式。
  6. Engineering drawing system can draw two dimension curve graphs, main detail drawing and assembly drawing. the curve of internal trajectory and dynamic simulation of particle external trajectory. the detail drawing includes the graph of chamber, grain design, connection body, nozzle, some standard part

    工程繪圖可以繪制二維曲線圖和零部件圖,其中二維曲線包括有內(推)力?時間曲線、質點外道動態模擬曲線;零部件圖包括有標準螺栓與螺紋孔、燃燒室結構圖、裝藥設計截面圖、連接結構圖、噴管結構圖及火箭發動機總體裝配圖。
  7. The vertical loading plays a major role in the state of the flexural stress. beneath the mountain belts, the compression decreases and changes to extension from the top of the elastic plate to the bottom. the change of the flexural stress beneath the basin is vice versa

    性板頂部向下,造山帶下方的擠逐漸減小,到中性面以下變為拉張,然後張應力逐漸增大,在性板部達到最大;盆地下方的變化則與之相反。
  8. Abstract : in this paper, for the brick structure with frame - shear wall in the first story, the principle of determining the parameters of a laminated rubber bearing such as stiffness, yield strength and axis press stress was discussed ; and the vibration - isolation effectiveness was tested by analyzing a representative project using nonlinear time - history analysis method. some suggestion was made to design and analyze brick structure with ground frame - shear wall on rubber vibration - isolation system

    文摘:討論了框結構橡膠墊隔震層的剛度、屈服強度、軸向應力等參數的設計原則,以典型工程為例,採用塑性時程反應分析方法,檢驗了框結構使用橡膠墊隔震層后的隔震效果,對框結構基礎隔震設計與分析方法提出了一些建議。
  9. The method can be used for the influence matrix calculation when an elastic dam has nonvertical or angle upstream face or the conditions of the water and the bottom of a reservoir are complex

    該法可以適用於傾斜、帶有折角的性壩面動水力影響系數矩陣的求取,並可進一步應用到復雜庫水和庫情形下的計算。
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