head curve 中文意思是什麼

head curve 解釋
壓頭-容量曲線
  • head : n 1 頭,頭部,首。2 頭腦,才能;智力,想像力,理解力。3 前部,上部;頂端,尖突部;船長;(書頁等...
  • curve : n 1 曲線;彎曲;彎曲物。2 曲線規 (=French curve);【機械工程】曲線板;【棒球】曲線球;【統計學...
  1. The head girths of several patients were above the 97th percentile of the normal growth curve, but were normal in a special growth chart for achondroplasia

    有幾位患者的頭圍大於正常生長曲線的第97個百分位數,可是在軟骨發育不全侏儒患者特有的生長曲線中,這些頭圍是正常的。
  2. The da electric tool works, the main products are sanding machine, hot air guns, lawn machines, electric grinding head, curve sawing, waxing machine

    原大成電動工具廠,主要產品有砂光機、熱風槍、草坪機、電磨頭、曲線鋸、打蠟機等。
  3. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示值范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  4. Second order polynomial regression mathematical model treatment of flow capacity - lift head property curve of centrifugal pump

    揚程性能曲線的二階多項式回歸數學模型處理
  5. Hanging power, seize and hold, slightly tilted head, pulled up buttocks, iron ruler waist, curved back, dropping the shoulders and elbows, keep the chest in and curve the back

    懸吊索、擒拿揸捉、千字頭、蛙仔膝、 ?尺腰、筲箕背、沉肩墮肘、含胸拔背。
  6. On the basis of analysis for recharge, flow - off and drainage of research area, the paper concludes that the main possible cause for the fall of water head is groundwater exploitation by comparing the curve of rainfall - time and the curve of observation heads of some observation well

    在充分分析研究區補給、徑流和排泄規律的基礎上,文章通過比較降雨歷時曲線、部分觀測孔觀測水頭曲線得出開采量可能是影響水頭下降的主要因素。
  7. The pate rubs pinches massages the head, revolves the massage through the pro and con two directions, the waist, the back is equipped with four turn walks the organization, two widths, two narrowly roll the massage wheel, can tightly paste your waist back about, does according to the lumbodorsal region curve walks the massage, depend the mat. the beginnings and ends are equipped with the remote infrared ray pad wave system, can cause the heat wave infrared thorough human body cell in - depth to nurse, the cushion thigh department is equipped with two thumps to strike to be possible to choose the rap, to inspire trembles, whips three massages techniques, the calf pad supposes one may modulate velocity the hoop organization

    頸部揉捏按摩頭,通過正反二個方向的旋轉按摩,腰、背部設有四輪行走機構,兩寬、兩窄滾動的按摩輪,能緊貼您的腰背部,根據腰背曲線作上下行走按摩,靠墊兩端設有遠紅外線墊波系統,能使熱波紅外線深入人體細胞深層護理,坐墊大腿部設有兩捶擊頭可選擇敲擊、振顫、拍打三種按摩手法,小腿墊設一可調速滾輪機構。
  8. Exhale as you release down in the reverse order lowering your chest first, then your chin, then curve your head down till your forehead is once again on the mat

    呼氣時,身體逐漸放平,前胸放低,然後是下巴,慢慢低下頭,直到額頭再次觸到地面。
  9. Mandarin tone is characterized for tone level and tendency of pitch curve, so head - tail difference and relative tone level rate are determined as tone features for chinese tn - syllable word ; head - tail difference and tone level at the beginning of syllable are determined as tone features of syllable in continuous speech

    漢語聲調主要由基音曲線的調位高低和走向決定。因此,本文選擇頭尾差和相對調位比作為三字詞音節的聲調特徵;選擇頭尾差和音節起點調位作為連續語音中音節的聲調特徵。
  10. First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend

    首先由於它的揚程較高、流量較小,所以它的流道狹長,圓盤摩擦損失較大,效率相對較低;其次由於它的流道擴散較嚴重,易在葉片進口產生迴流和在出口產生脫流,揚程流量特性曲線易出現駝峰,在小流量工況下易產生不穩定現象;第三,由於其功率流量曲線呈現上升趨勢,在大流量區運行時電機易過載。
  11. It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump

    指出雙速電動機用於輸油泵的調速時,應選用轉矩按轉速平方降低特性的電動機;調速泵的運行經濟性受到管路阻力特性曲線的限制,其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制;在母管制系統中把部分定速泵改為調速泵時,應將性能較高的定速泵改為調速泵。
  12. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型,但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展,說明局部較高的應力三軸度也會使韌窩型機制得以發展,但是不改變試件整體的剪切型斷裂模式;對韌性斷裂的剪切模式的細觀機理做了一定的探討,並且提出了含裂紋構件剪切型斷裂的宏觀判據:認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向(可簡稱為_ ( pmax )準則) ,集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷;本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果,採用失效評定圖的形式,提出了傾斜裂紋的安全性評定方法的基本框架。
  13. By citing distribution piping loss curve, analyses the two commonly used control methods of constant pump head and constant remote circuit differential pressure and considers that control with a constant remote circuit differential pressure is the better

    通過提出輸配管壓損曲線概念,從理論上分析了計量供熱變流量系統循環水泵常用的恆揚程式控制制和恆定最不利環路壓降控制兩種方案,認為恆定最不利用戶資用壓力方案節能效果較好。
  14. Abstract : the effect of turbine characteristic on stable sectional area of surge tank can be expressed by the synthetic characteristic coefficient of turbine, it shows the effect of turbine efficiency. based on the analysis on the variation of the characteristic curve for middle or high specific speed turbine, this paper demonstrates that the largest stable sectional area of surge tank is not dependent on the lowest water head of hydroelectric plant but the design head

    文摘:通過理論推導,研究了水輪機綜合特性系數對調壓室穩定斷面的影響,即水輪機運行中不同工況點效率的相對變化對調壓室穩定斷面的影響.得出了最危險的調壓室穩定斷面取決于設計水頭,並通過實例得到驗證
  15. The method of describing the esp practical performance curve with its characteristic parameters has been provided with head and energy consumption on the basis of the characteristic analysis on the esp

    摘要從潛油電泵的理論特性出發,通過對潛油電泵壓頭及其能耗分析,提出了用特徵參數表徵潛油電泵實際工況曲線的方法。
  16. Use the interpolated curve divide the point cloud, avoid the contradiction between the smooth surface and surface precision. make the surfaces connect each other smoothly and can reveal the details of the real head

    呼吸器的尺寸參數應該根據工人的實際頭部尺寸參數和輪廓形狀來製作,其形狀應貼合人體頭部形狀,達到比較好的防護效果。
  17. The head of water is maintained at a permanent level so that the velocity and curve of the jets remain constant

    水頭被維護在一個永久水平以便噴氣機的速度和曲線依然是恆定。
  18. Among the six models, model a and model b can be used to study the vehicle stability and curve negotiation under different track situations. model c and model d can be used to carry out the stability, dynamic curving behavior and ride comfort of the high - speed passenger car. model e and model f are three - dimension train dynamic models which consist of three cars ( head car, intermediate car and tail car )

    所建立的6種動力學模型中,模型a和模型b可用於研究不同軌道條件下車輛的運動穩定性及動態曲線通過性能;模型c和模型d可以用來研究車輛的運動穩定性、動態曲線通過性能及運行平穩性;模型e和模型f是列車系統動力學分析模型,都是由三節車組成的列車單元,三車列車模型作為一個最小的列車單元,包含了頭車、中間車和尾車,已能夠反映整個列車的動力學特性。
  19. The ports of cylinder head were measured with digitized measurement technique, and obtained data were treated under the condition of cad to determine the curve parting line of their toolings

    通過對氣道進行數字化測量,在cad環境下對獲得的數據進行處理,確定其成型模具分型曲面。
  20. Cnc manufacturing functions : 2 - cordinate and 2 - axis combined movement, can manufacture external circular, curve neck, ball head, metric / inch thread , taper thread and so on

    數控加工功能:兩坐標兩軸聯動外圓、曲頸、球頭、公/英制螺紋、錐螺紋等加工。
分享友人