空腔壁 的英文怎麼說

中文拼音 [kōngqiāngbì]
空腔壁 英文
barrier wall
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 腔 : 名詞1. （動物體內空的部分） cavity; chamber 2. （話） speech 3. （樂曲的調子） tune; pitch 4. （說話的腔調） accent; tone
  • 壁 : 名詞1 （墻） wall （of a house etc ） : 銅墻鐵壁 bastion of iron2 （作用像圍墻的部分） wall of st...
  1. Both atria are thinwalled muscular chambers.

    兩心房是由薄壁構成的空腔。
  2. 4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs

    （ 4 ）對推力測量系統進行了標定並實現了計算機採集，推力測量系統最大相對誤差為2 fs ；溫度測量目前還只限於對mpt諧振腔壁溫的測量，使用e型鎳鉻?康銅熱電偶即可較容易實現，其測量精度為5 fs ；真空測量採用zdf - 5427m微機型復合真空計，其由熱偶計和熱陰極電離計復合而成，該真空計測量控制精度為3 fs 。
  3. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  4. A kind of measurement was developed to measure the air concentration of water and the result showed the possibility of entrained air existing near the wall of drop shaft. that is to say, the wall of drop shaft may be protected by entrained air from cavitation damage to some extent

    本文設計了一種適用於近壁區水流摻氣濃度測量的方法，對空腔段水流摻氣濃度進行初步測量，發現井壁附近水流存在摻氣的可能，這對改善水流空化條件能起到積極作用。
  5. The operation contained resecting the back rib covering the cavity, separating the intercostal tissue, cutting the external wall of the cavity, cleaning the cavity thoroughly, scraping the cavity till exposing the fresh tissue, killing the tuberculosis germs with organic acid, filling the cavity with the intercostal muscle, fixing and suturing the muscles

    切除覆蓋在空洞外側的肋骨後段，游離相應部位的帶蒂肋間組織，剪除空洞外側壁，徹底清除空洞內容物，刮出新鮮創面，有機酸殺滅可能殘留的結核分支桿菌，將準備好的肋間肌瓣填充于空洞殘腔內，縫合固定。
  6. The ramp - type sustain waveform is featured with the longer rise - time than the conventional waveform and it is a compromise to let gas discharge with lower cell voltage but still helps accumulate enough wall charges to sustain discharge sequence in cells

    斜緩維持波形的特徵為其電壓上升時間較傳統波形增加了三倍左右，其有助於降低氣體放電時的空間電壓差和累積足量的壁電荷以維持腔體中氣體放電作用得以連續產生的效果。
  7. A uniform state ion chamber with double layers has been developed for distinct measurement in various n + y mixed fields in the fast neutron reactor. the cavity material is 6lif + 7lif. the inner wall material is 6lif and the outer wall material is 7lif

    根據let效應因子的測量結果和快中子堆y譜、中子譜等基本資料，以及~ 6lif和~ 7lif對中子響應靈敏度有較大差異這一特點，研製了以~ 6lif + ~ 7lif為空腔、 ~ 6lif為外壁、 ~ 7lif為內壁的具有雙層室壁結構的均勻固體電離室，並將其用於快中子脈沖堆n 、混合場區分測量，徹底剔除了熱中子的干擾。
  8. These equipments are vacuum system which is made up of diffusion pump, pipes, water - cooling baffle and rotary vane pump ; the whole chamber, wall and water - cooling wall are made of stainless steel ; the lower part is equipped with cool water sleeve which can fast take out air to gain 10 - 4 or higher vacuum, therefore they are widely used in high - tech fields, such as the platting, electronic, metallurgy, chemical engineering, atomic energy, materials and medicine etc

    Kt系列擴散泵機組是由凸腔擴散泵管道水冷擋板機械泵等組成的高真空系統，整個泵腔泵壁及水冷壁全部由不銹鋼作成，下部配有降溫用急冷水套，抽氣速度快，極限真空高，它可使被抽容器獲得10 - 4或更高的高真空，因此廣泛適用於鍍膜裝飾電子冶金化工原子能材料醫藥等等各種高新技術領域。
  9. Wall stress of horizontal rotary cavity flow

    水平旋轉空腔環流的壁面應力
  10. Pertinent nasal problems include allergies to air - borne particles such as animal dander, and dryness of the nose because of a wood - burning stove

    與鼻子相關的因素包括：對空氣傳播的微粒過敏，如動物的皮屑，還有因使用燒木炭的壁爐而使得鼻腔過干。
  11. Cyclodextrin and their derivatives have the hydrophobic cavities and hydrophilic wall. as the molecular host they are well known to have the property of forming inclusion complexes with organic, inorganic and biological molecules which possess suitable polarity and dimension. as the excellent enzyme model and molecule receptor, cyclodextrins have been widely used in many fields in science and technology

    環糊精及其衍生物具有疏水性空腔和親水性外壁，作為主體分子可包絡識別各種有機、無機和生物分子而形成主?客體超分子包合物，故作為優良的酶模型和分子受體在科學和技術等諸多領域有著極為廣泛的應用。
  12. Lumen the central space that remains, surrounded by cell walls, in a cell that has lost its living contents ( e. g. in xylem elements )

    胞腔：由細胞壁圍成的空腔，其中的活性物質消失（如木質部中的管狀分子） 。
  13. The formation, developments of cavities in the moving bed were investigated and described with two particle materials and materials of wall

    在二維矩形錯流移動床內研究了移動床內的空腔現象，以兩種物料及壁面材料對移動床內空腔現象的產生、發展進行考察。
  14. If rigid walls are assumed in the finite element model for the boundary panels, an eight node, isoparametric acoustic finite element model is developed for calculating the acoustic modes of cavities. initially a rectangular enclosure is analyzed in order to study the convergence of the results

    利用8節點塊體單元，在剛性壁條件下，對聲場的基本方程進行數值求解，在jifex系統中發展了這種新的有限元模型，計算了封閉空腔的聲學模態（固有頻率和振型） 。
  15. Theoretical expression ot the wall shearing stress has been deduced for the level rotary flow in an internal energy dissipation tunnel

    摘要本文推導了水平旋轉內消能泄洪洞空腔環流壁面切應力的理論分析表達式。
  16. The area contraction ratio has obvious influence on the flow pattern, discharge, wall pressure and air pressure inside level rotary flow

    研究發現面積收縮率對流態、泄流量、壁面壓強和空腔內的氣體壓強均有較大的影響。
  17. Considering the kinetic diameter of 2. 89a for a hydrogen molecule, the inner cavity inside the tubes, the interstitial regions of tube arrays and the empty space between tube walls are the hydrogen adsorption sites. thus, the high hydrogen storage capacity in cnts would be available

    氫分子動力學直徑是0 . 289nm ，單壁碳納米管的中空管內腔和管束內的間隙孔以及多壁碳納米管的中空管和管壁間隙都可以作為儲氫的吸附位，因此碳納米管具有良好的儲氫性能。
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