single tube 中文意思是什麼

single tube 解釋
單層巖心管
  • single : adj 1 僅只一個的,單獨的;單式的;【植物;植物學】(花等)單瓣的;【無線電】單工的,單次的。2 獨...
  • tube : n 1 管,筒;顏料管。2 管狀地下隧道;〈口語〉(倫敦的)地下鐵道。3 【炮】炮身;【汽鍋】鍋管;【解...
  1. A crashworthy type of single hull structure based on foam cubic tube

    一種基於內充泡沫塑料薄壁方管的單殼舷側耐撞結構
  2. At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation

    在實驗中,利用測速管等儀器對在不同速度下的單閥和雙閥固定閥周圍的流場進行了點壓力測量,然後把點壓力轉化為點速度后繪出固定閥周圍流場的二維流線圖,同時測定了塔板的干板壓降,來考察新型固定閥帶折邊后對流場分佈和壓降的影響,為隨后的數值模擬提供對比和依據。
  3. A woodwind instrument having a straight, cylindrical tube with a flaring bell and a single - reed mouthpiece, played by means of finger holes and keys

    單簧管,黑管一種管樂器,有直的圓筒形管身和一個外敞的管口及一個單簧吹口,以指孔和鍵的方式演奏
  4. Verification regulation of single tube mercury manometer

    單管水銀壓力表檢定規程
  5. Application of single - tube bi - directional allele specific amplification in snp genetic monitoring of inbred mice

    單管雙向等位基因專一性擴增方法在近交系小鼠遺傳檢測中的應用
  6. An enclosed single tube thermal separator was designed and by means of which the influence of single element of q, l, f, on the performances of thermal separator was investigated experimentally. on the basis of the comparison between the theoretical analyses with the results of the experiment, a relatively systematical theory of the cooling mechanism and peak oscillating effect of the thermal separator was founded

    設計了一臺封閉式單管熱分離實驗裝置,對q 、 l 、 f 、 、激波吸收器等因素對熱分離機性能的影響進行了單因素實驗;對理論分析和實驗結果進行了比較,形成了較為系統的熱分離機製冷機理和峰值振蕩理論。
  7. Single tube mercury manometer

    單管水銀壓力表
  8. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響,同時在d分區法的前提下,在兩相區基於漂移流模型,一定的守恆條件下,在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。
  9. Big single tube rated current, complete specification, the rated current ranges. 5a 400a

    單管額定電流大,規格全,額定電流選擇從0 . 5a 400a 。
  10. Single - tube manometer

    單管壓力計
  11. Then, four different computation methods are applied to compute the hydrodynamic performance of the rotor, which are single - disk single - tube method ( sdst ), double - disk single - tube method ( ddst ), multi - tube method ( mtt ) that are based on momentum theorem and vortex method ( vtth ) that is based on potential eddy theory

    然後,採用基於動量定理的單盤面?單流管方法( sdst ) 、雙盤面?單流管( ddst )方法、多流管( mtt )方法以及基於勢渦理論的渦方法( vtth )計算直葉擺線式水輪機的水動力性能。
  12. And then, some improvements have been made on the old single tube pressure wave refrigerator experimental system. the experimental research, such as the ratio of gas charge time to gas exhaust time ( ), the frequency of the jet flow ( f ), the ratio of the expansion ( ), the length of the tube ( l ) and the heat transfer condition, has been carried out on the improved experimental system. the results were drawn as the following : the refrigerating efficiency will be heightened by augmenting when is in 0. 0405 to 0. 1842 ; the highest cooling efficiency will be

    實驗考察了有關因素對製冷效率和最佳射流頻率( fopt )的影響並進行了理論分析,結果表明,在= 0 . 0405 ~ 0 . 1842范圍內,製冷效率( )隨的增大而提高;隨射流頻率( f )的變化出現多個峰值,在本文實驗參數范圍內下,第二個峰值點的效率比第一個峰值點高;隨著膨脹比( )的增大,和fopt都略有增大,且低下的增幅比高下的大;強化管外換熱,可使fopt降低、明顯提高。
  13. In the analysis, a cfst arch ( single tube ) is first divided into a finite number of straight beam elements. according to the virtual work principle and the modified newton - raphson iteration method the tangent stiffness matrix considering double nonlinear properties is established. with regard to the non - equilibrium forces, the material nonlinear property along the height of the section and the length of the element is considered and the computation accuracy is improved as a result

    本文首先將拱肋劃分為一系列的直梁單元,運用虛功原理和修正newton - raphan數值迭代演算法的基本原理準確推導了拱肋直梁單元的非線性切線剛度矩陣;在不平衡力方面考慮了沿截面高度和單元長度方向材料非線性的發展過程,提高了計算精度;再根據得到的切線剛度矩陣採用荷載增量步內修正newton - raphan迭代的增量迭代法進行了求解。
  14. The 2. 4 - kilometre discovery bay tunnel link, which comprises a 630 - metre single tube two - way tunnel and a 1 770 - metre approach road, is operated and maintained by the discovery bay road tunnel company limited, which also built it

    4公里,由630米長的單管雙向行車隧道和1770米長的接駁道路組成,由愉景灣隧道有限公司建造、營運和保養。
  15. Test investigation on sgtr of single tube break and three - tube break is carried out on hpitf of ciae to deeply understand the thermal - hydraulic behavior during pressurized - water - reactor ( pwr ) sgtr and to provide an integral data base for code assessment and development. the facility, a full height and 1 / 1000 - scale ( by volume ) of qinshan nuclear power plant, incorporates two identical loops with active pumps and steam generators ( sg ). the initial steady state of the test basically simulated that of the reference plant operation

    為了深入了解核電廠蒸汽發生器傳熱管破裂事故發生后的熱工水力現象,以及對壓水堆( pwr )核電廠系統分析程序進行分析和評價,在高壓綜合試驗裝置上開展了蒸汽發生器傳熱管破裂試驗研究高壓綜合試驗裝置以秦山核電廠主迴路系統為模擬對象,該裝置為雙環迴路系統,容積比為1 : 1000 ,高度比為1 : 1 。
  16. Normal single tube

    普通單管
  17. The 2. 4 - kilometre discovery bay tunnel link, which comprises a 630 - metre single tube two - way tunnel and a

    4公里,由630米的單管雙向行車隧道和
  18. Post - test analyses for this test ( a single tube double - ended break ) were performed with relap5 / mod2 code. the analysis showed that the results were in good agreement with the test data

    用relap5 / mod2系統程序分析了單根蒸汽發生器傳熱管雙端斷裂事故工況,計算結果與試驗結果有較好的符合。
  19. The heater is cooking heat source in the microwave oven. generally 2 pcs. as one suite in series and the power of single tube is 400w 600w. bigger surface load and higher radiating coefficient make the microwave cooking food more quickly

    本加熱器在微波爐中為燒烤熱源,一般一組為2隻串聯使用,單管功率一般為400w600w ,表示負荷較大,且石英管表示的熱輻射系數高,使微波爐燒烤食物更加快捷。
  20. The break was assumed to be a single tube double - ended and three - tube double - ended shear break. the diameter of the break orifice is 0. 876mm and 1. 518mm respectively. the characteristic responses of main thermal - hydraulic parameters, such as primary pressure, secondary pressure, break flow rate, pressurizer level, secondary side level of steam generator and so on, were presented in this thesis

    試驗再現了核電廠蒸汽發生器單根傳熱管雙端斷裂事故和三根傳熱管雙端斷裂事故發生后的熱工水力現象,給出了事故過程中一次系統壓力、二次系統壓力、破口流量、蒸汽發生器二次側水位、穩壓器水位、元件表面溫度等主要參數的瞬態響應。
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