氣體升力 的英文怎麼說
中文拼音 [qìtǐshēnglì]
氣體升力
英文
gas lift-
Each second vibrates 3000000 times of slight massages, can thoroughly reach derma layer, warms up the effect can penetrate hypodermic, has the exchange of gases movement, the shallow layer cell repair ability strengthens, scarfskin layer ‘ s water fat membrane and the flesh resistance, guarantees the wet promotion, the flesh beautiful and moving
萬次的細微按摩,能深入達真皮層,溫熱效果能深入皮下,產生氣體交換動作,淺層細胞之修護能力增強,表皮層之水脂膜與肌膚對外界之抵抗力、保濕提升,肌膚明媚動人。Our hot balloons is driven by common fuel without any gas, as same as other normal hot balloons, it is lifted by flotage of hot air and direction controlled by gasoline motor, remote operation, safe, low risk, no ground people required leading to very low cost
本廠生產的動力熱氣球,是用普通熱氣球燃料,不加任何氣體,和普通的熱氣球一樣,是靠熱氣的浮力上升的,汽油機控制方向和升降,遙控操作,安全,風險小,無須地面人員,飛行成本底。Hydrodynamics in an air - lift loop reactor
氣升式環流反應器的流體動力學模型3. taking use of wing - fuselage fusion lifting body design technology, which not only achieves good aerodynamic characteristic, but also is good to stealth and agility to system arrange. 4
採用翼身全融合?升力體設計技術,不僅獲得了優越的氣動性能,而且也將對隱身性能帶來好處,為總體布置和裝載帶來極大的靈活性。Ten liters of gas at standard pressure and temperature contains about 2×atoms.
10公升的氣體,在標準壓力和溫度下含有大約2個原子。The two sunspots of a pair have different polarities, one would be a magnetic north and the other is a magnetic south. thus, we believe that there are magnetic field lines joining the two sunspots of a pair. the strong magnetic field locks the gas of the photosphere in places and inhibits the hotter gas below to rise at the sunspots
黑子經常成雙成對出現,每對皆由極性相反的黑子組成,若一個為磁北,另一個必為磁南,由此我們估計每對黑子皆由磁力線所連系,強大的磁場牽制著光球層上的氣體,並阻止了下層較熾熱的氣體上升至黑子范圍,結果黑子比太陽表面其他地方溫度較低。The hydrodynamic parameters and mass transfer coefficient are studied in the internal loop airlift bioreactor used in treating wastewater. the hydrodynamic parameters consist of gas holdup, liquid velocity and axial dispersion coefficient
本文從流體動力學和傳質動力學兩個方面考察了用氣升式內環流生物反應器應用於廢水處理的性能。The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables
( 3 )進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究,以及有升力約束情形下機翼跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件數學表達形式,研究與發展了三維共軛方程的有限體積數值求解方法,及相應梯度公式的數值求解方法,通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合,成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序,成功地進行了多個設計算例研究。Electricity generation in hong kong has produced significant air pollution, threatening our health. it has also contributed significant amounts of greenhouse gas emissions, contributing to global warming and climate change, the single biggest threat to our planet and biodiversity
香港的電力生產過程構成嚴重的空氣污染,同時排放大量溫室氣體,導致全球氣溫上升和出現氣候轉變,成為地球和生物多樣性面對的最大的威脅。Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model
本文在國內外已有的研究基礎上,首先建立了以k - (封閉模型為基礎的三維擬單相流模型,該模型的特點在於充分考慮了氣液兩相間相互作用的影響,即計入了相間曳力、橫向升力、虛擬質量力和氣、液相含率對流場的影響;並建立了塔板三維雙流體模型,主要目的是通過對比擬單相流數學模型、雙流體數學模型的計算結果,建立能夠準確描述塔板上流體流動的數學模型。We administer the safety legislation and issue codes of practice and guidelines on the safe use of electricity, gas, lifts and escalators as well as in such diverse areas as amusement rides, aerial ropeways and the peak tramway among others. with an experienced team of professional engineers, inspectors and technicians, our aim is to achieve and maintain a high standard of public safety in electrical, mechanical and gas applications
我們除執行各種條例及規例外,並出版使用電力、氣體、升降機和自動梯,以及機動游戲機、架空纜車等多方面的實務守則及指引。我們擁有由經驗豐富的工程師、督察及技術人員等組成的專業隊伍,致力達致及保持公眾在機電及氣體應用方面的最高公眾安全水平。We also ensure public safety in all major e & m areas, administering the legislation and issuing codes of practice and guidelines on the safe use of electricity, gas, lifts and escalators as well as in such diverse areas as amusement rides, aerial ropeways and the peak tramway among others. our energy efficiency office is also actively involved in a number of programmes and initiatives to promote the wise and efficient use of energy in hong kong
我們並負責執行法例,就使用電力、氣體、升降機及自動梯,以至機動游戲機、架空纜車及山頂纜車等制訂實務守則及指引,以保障主要機電設施操作范圍內公眾的安全。此外,我們的能源效益事務處更積極倡導各類計劃及參與連串宣傳活動,藉以提高本港市民有效使用能源的意識。Multi - gap - fowler - flap, while deflecting its rudders, simultaneously extends backwards by relatively large scope, which broaden the overall wing - camber and area, so that more additional lift could be attained through improving air - flow boundary layer
多縫富勒襟翼在襟翼舵面偏轉的同時發生較大幅度的後退,增加機翼整體彎度和機翼面積,通過縫隙氣流改善附面層狀況,因而得到加大的升力增量。Numerical simulations demonstrate that the multi body analytical model can analyze the aeroelastic stability of the tiltrotor aircraft in the helicopter mode
數值計算表明:建立的多體動力學模型能夠快速分析直升機模式下傾轉旋翼機復雜的旋翼機翼氣彈耦合動力學特性。The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0
在更寬的溫度范圍、壓差范圍內,在不同原料氣組成(即不同的氫氣分壓)條件下,對所制備的鋯表面改性膜進行了滲氫性能實驗,考核了膜對氫的唯一選擇滲透性,結果表明:在四極質譜的檢測下限內,只有氫氣存在,而無雜質氣體通過;在593k 773k溫度范圍內,鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫流量和滲氫系數;其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大,並且呈線性關系;壓力對膜的滲氫系數幾乎無影響;膜的滲氫系數隨著溫度的升高而下降,井巨呈指數關系:根據對實驗數據所作滲氫系數與溫度關系曲線的擬合,在溫度593k 773k范圍內,壓差p 、 0二0Numerical results show that the bubble concentration distribution can be predicted by using the two - way coupling of the fluid and the bubble motion, and adding the wall lift force into the bubble motion equation, and the fluid velocity, turbulence intensity and shear stresses modified by the bubble motions can also be revealed
數值模擬結果表明,通過加入壁面升力和採用雙向耦合方法,可以較準確地預測氣泡濃度分佈和揭示氣泡流動對流體湍流結構的影響。Determination of the maximum explosion pressure and the maximum rate of pressure rise of gases and vapours - determination of the maximum explosion pressure
氣體和蒸氣的最大爆炸壓力和最大壓升的測定.最大爆炸壓力的測定The ipsa model solves the navier - stokes equations of each phase with the interphase interactions between two phases of water and air, including the interphase drag forces, interphase lift forces, interphase pressure and virtual mass forces
Ipsa模型對每一相求解n - s方程,並考慮水-氣體兩相間的相間相互作用,包括相間阻力、相間升力、相間壓力和虛質量力。Firstly, we act as a regulatory body and law enforcement department with regard to electricity, gas, lift and escalator safety, and a number of related e & m safety areas. our second role is to provide e & m engineering solutions and services to other government departments and public sector organisations in hong kong
機電工程署在香港肩負著雙重職責:作為電力、氣體、升降機及自動梯及其他有關機電安全方面的規管及執法機構;同時亦為本港其他政府部門及公營機構提供機電工程方案和服務。Within the community, the department issues guidelines and codes of practice and administers the safety ordinances on the safe use of gas, electricity, lifts and escalators, tramways and amusements rides among others
在社區服務方面,該署除出版指引及實務守則外,並推行有關安全使用氣體、電力、升降機及自動梯、纜車及機動游戲機等安全條例。分享友人