脈動能 的英文怎麼說
中文拼音 [màidòngnéng]
脈動能
英文
pulsating energy-
The pulsations in the rectified current can be reduced by using a capacitor.
經過整流的電流的脈動,能夠利用一個電容器使其減小。Appellation ten has a dual characteristic of stability and changeability, capable of embodying the of the times, having very strong social value deserving attention
摘要「稱謂」具有穩固與流變的雙重特性,能夠體現時代的脈動,具有很強的社會觀照價值。The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance
運行結果表明,此方案能有效地抑制無刷直流電動機低速時的轉矩脈動,更好地改善系統的動態性能。This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective
本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷,利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法,提出了在液壓系統中加一個定差減壓閥的新思路,較好地解決了液壓伺服系統存在的上述問題。The substantial alteration by 160 % in the range of the blood flow pulsation can negatively affect the function and plasticity of the blood circulatory system and may potentially lead to the development of hypertonic or hypotonic symptoms in the human body
在血流脈動范圍內,透過160 %相當可觀的變化,可能對血循環系統的功能及塑性具負作用影響,並且可能潛藏在人類身體導致張力亢進或低壓癥狀的發展。Medical electrical equipment - particular requirements for the basic safety and essential performance of pulse oximeter equipment for medical use
醫用電氣設備.醫用脈動式血氧計的基本安全和性能的特殊要求Medical electrical equipment - particular requirements for the basic safety and essential performance of pulse oximeter equipment for medical use iso 9919 : 2005 ; german version en iso 9919 : 2005
醫用電氣設備.醫用脈動式血氧計的基本安全和性能的特The new software named " d - gun " for ddos is carried out, which completed in windows 2000 and rethat linux. three characteristics of d - gun are lied out. first, it can complete all steps of attack automatically ; secondly, it support a lot of method of ddos, especially support echo attack method and pulsant attack method
本課題開發完成了一個獨立的分散式拒絕服務攻擊軟體,開發平臺是windows2000和redhatlinux ,其特色是跨平臺自動傳播,自動實現ddos攻擊的全步驟;支持多種攻擊模型,特別是構造了反射拒絕服務攻擊和脈動攻擊模型,攻擊強度高且難追溯;有一定繞過防火墻的能力。Objective : to investigate the method and effect of reserved splenectomy on severe traumatic spleen rupture. methods : 31 cases of severe traumatic spleen rupture were retrospectively analyzed. 6 cases were treated by ligating spleen artery with splenorrhaphy, 13 cases by ligating spleen artery with partial splenectomy, 12 cases by splenectomy with autologals spleen transplantation in epiploon, follow - up of all patients was completed from 1 year to 5years. results : all patients recovered. no patients died from surgical operation. patients could work after operation and the susceptibility to disease didn ' t increase. b supersonic inspection showed that : splenic infarction didn ' t exist in patients treated with binding spleen artery, echo sound was heard from transplanted spleen in patients treated with splenectomy and autologous speen transplantation in epiplom. conclusions : it is feasible for patients with severe traumatic spleen rupture to treat by ligating spleen artery with autologous spleen transplantaion in epiploon, which can efficiently control hemorrhage and maintain the function of spleen. splenectomy with autologous spleen transplatation in epiploon is an efficient method to make up furthur function of spleen after splenectomy
目的探討嚴重創傷性脾破裂保脾手術治療的方法及效果.方法回顧性分析嚴重創傷性脾破裂31例保脾手術治療的臨床資料, 6例行脾動脈結扎+修補縫合術, 13例行脾動脈結扎+部分切除術, 12例行脾切除+大網膜自體脾組織移植術.全部獲得隨訪,隨訪時間1 5年.結果本組全部治愈出院,無手術死亡病例.術后均恢復勞動能力,無感染易感性增加, b超檢查提示:脾動脈結扎者無脾梗死情況,脾切除+大網膜自體脾組織移植者在移植部位可見脾組織回聲波.結論對嚴重創傷性脾破裂病例,行脾動脈結扎+修補縫合或部分切除術是可行的,即能迅速有效地控制脾破裂出血,又能維持脾臟功能.脾切除+大網膜自體脾組織移植術是全脾切除術后彌補脾功能的有效方法Since the hydrogen - burning shell and helium - burning core do not produce energy in a stable and steady manner, the star will pulsate and generate strong stellar wind
由於這時燃燒氫和氦以產生能源的過程並不穩定,星體除了會不斷脈動外,更會產生強勁的恆星風把外殼吹掉。Sometimes temporal fluctuation may take place in the local velocity.
有時,在局部速度中可能出現瞬時脈動。By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water
通過對細小顆粒在剪切流場中運動方程的fourier分析,得到了顆粒脈動強度和流體脈動強度之間的定量關系,表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素,首次從理論上證明了在一定條件下,顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度,為已有的實測資料提供了合理的解釋。The simulation results prove that this control technique can effectively minimize the torque ripple for the bldcm drives whose back - emf waveform crest width is less than 120
模擬結果表明這種控制策略能有效地抑制反電動勢平頂寬度小於120電角的無刷直流電動機的換相轉矩脈動。We found the " forward stimulated raman scattering " will be excited if the pulse length is greater than plasma wave length. the " forward stimulation raman scattering " decreases the phase velocity and the amplitude of the wake wave which will lead to the reduction of maximum kinetic energy of the electrons trapped
結論是:當脈沖長度接近等離子體波長時,稀薄等離子體將發生「前向受激raman散射」 ,它使脈沖后沿拉長,導致尾流場的相速度變小,以至於被尾流場「捕獲」的電子最大動能大大下降。Dicussion of method of calculating explosive energy using the bubble moving principle
氣泡脈動法計算炸藥能量的探討The wavelet multi - analysis is adopted to further understand the microstructure of solids holdup fluctuation, the vivid fingermark images show that it is a fractal and dissipative structure. the low and frequency signals reflect the dilute phase fluctuation behavior and dense phase ( cluster ) fluctuation behavior, respectively. to deep understand the multi - scales characteristic of gas - solids circulating fluidization, the wp decompose methods for obtaining the eigenvalue of gas - solid fluidized bed has been developed. the results show that eigenvalues of different scales are effective for identification of non - uniform and dynamic structure of gas - solid fluidized bed
小波多分辨分析法得到指紋圖形象地揭示了顆粒濃度脈動的自相似、分叉等具有混沌特徵的微觀結構;小波分解后信號中的低頻和高頻成分分別代表了稀相和密相的脈動行為,小波包分解提取能量特徵值的方法能夠揭示氣固的多尺度特性,不同尺度上的能量特徵值四川大學碩十論文反映了氣固循環流化系統中存在的非均勻動態時空結構。And at last the measurement of helical gear pump flow pulse has been presented, which include how to measure the flow pulse and the validating the theory mentioned before and to try to the solve the problems happened during the process
根據齒輪泵流量脈動的檢測要求,採用新的測試方法和手段,建立了中高壓齒輪泵性能測試裝置,並對樣機進行了性能測試。With the research in the paper succeeded it would be certain that the helical gear pump would replace the spur gear pump now widely existed in the market and also could replace the other type of hydraulic pump in some areas, which surely greatly decrease the cost of manufacture and advance the development of technology. the importance is undisputable
本論文研究的斜齒嚙合式低脈動齒輪泵可代替現廣泛存於市場上的直齒輪泵,並能在很大程度和范圍內替代其它形式液壓泵的作用,這對于促進機械裝備的技術進步、降低機械裝備的製造成本具有十分重要的意義,其應用前景將十分廣闊。The research on effect of sildenafil on human physiological functions at high altitude and its use in prevention and treatment of high altitude pulmonary hypertension, high altitude pulmonary edema and high altitude hypoxemia, and improving motor ability are reviewed
本文綜述了西地那非對高原人體生理的作用及其用於防治高原肺動脈高壓、高原肺水腫、高原低氧血癥,提高運動能力方面的研究進展。Firstly, the mechanism of self - excited oscillation was introduced. when the water jets from the inlet nozzle flows into the chamber, the momentum exchange between the jet and the liquid in the chamber occurs, thus to form an unstable shearing layer with certain thickness
這是一種嶄新的強化換熱技術,流體脈動能夠造成換熱器全程的換熱強化,而且自激振蕩脈沖射流強化換熱技術本身是一種無功強化的方法,無需輸入外部能量來產生擾動。分享友人