正壓氣體 的英文怎麼說
中文拼音 [zhēngyāqìtǐ]
正壓氣體
英文
barotropic gas-
The pressure of a gas is ( directly ) proportional to its absolute temperature when its volume remains constant
當氣體體積保持不變時,氣體壓力就和其絕對溫度成正比。The pressure in a perfect gas, being directly proportional to the kinetic energy of the molecules, has a lower bound of zero.
理想氣體的壓力與分子的動能成正比,它的下限為零。The rule of fluctuation of energy and pressure about canonical assemblages relativity quantum perfect gas under high temperature is given through strict theoretical inference and comparison with the theory on non - relativity
通過嚴格的理論推導,給出了正則系綜高溫條件下相對論量子理想氣體的能量和壓強的漲落規律,並與非相對論漲落進行了比較The square pattern has been obtained for the first time in dielectric barrier ar / air discharge at atmospheric pressure by using the double water electrodes and its spatio - temporal dynamics is measured by optical method. the phase diagram of pattern types as a function of air concentration and applied voltage by fixing other parameters is given
本論文採用特殊設計的雙水電極介質阻擋放電實驗裝置,首次在氬氣與空氣的混合氣體中獲得了大氣壓常溫下的穩定正方網格斑圖,並對其進行了時空動力學測量。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。Assess client ' s baseline knowledge of positioning, cpap / bipap, and pefr
評估病人體位、穩定氣道正壓/雙水平式呼吸道正壓和呼氣流速峰值知識。Improper handling of compressed gas cylinders can result in sprains, strains, falls, bruises, or broken bones
不正確的操作壓縮氣體鋼瓶會導致扭傷、損傷、摔倒、擦傷或骨折。Therefore, the wave is liable to be taken in by human body ensuing the emergence of resonance effect, which is able to activate cellular organization and promote metabolism. meanwhile, the magnetic therapy can effectively stimulate the circulation of the blood and cause the muscles and joints to relax through specific points. combining two unique functions together, the functional textile could take effect in evidence by improving human microcirculation efficiently, accelerate oxygen supply,
Nb素加磁功能產品,其中nb素所輻射的能量波正發與人體細胞中水分子律動頻率相同,極易被吸收並產生「共振效應「 ,從而活化細胞組織,促進新陳代謝,而磁療能通過穴位達到舒筋活絡的作用,二者科學的相迭加,所以效果更明顯,可充分改善人體微循環,加速氧氣的供給,提高人體細胞的再生能力,對高血壓肢體麻木關節痛肩頸痛腰肌勞損腰背酸痛等有很好的療效。Static removal lonizing air gun / hs static removal lon - izing air nozzle lonizing air gun / nozzle is a kid of effective static removing instrument, which swiftly blows the great deal of cation and anion occurred in the ion occurring in - strument with high pressure airflow to the area to be re - moved the static, neutralizes the static charge clooecting in the object, at the same time, high speed ion airflow blows off the dust attracted by static, and prevents it to attract dust again
離子風槍/風嘴是一種高效的靜電消除裝置,通過高壓氣流將離子發生裝置所產生的大量正負離子迅速吹向所要除靜電的區域,中和物體上所積累的靜電電荷,同時,高速離子氣流將靜電吸引的塵粒吹除,並阻止其再次吸收塵埃粒子。The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers
實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光學方法對正方網格斑圖進行了時空動力學測量,發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成,其中一套的微放電絲位於另一套正方形單元的中心,這兩套微放電絲交替進行放電;考慮到壁電荷之間的相互作用,研究了正方網格斑圖的穩定性;實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的,考慮到電介質表面積累的壁電荷的作用,使用擊穿?熄滅方程很好的解釋了該現象。Standard practice for sampling gas from a transformer under positive pressure
在正壓力下從變壓器中抽取氣體樣品的標準實施規程His country is facing international pressure to spell out targets for taming greenhouse gas emissions, which are trapping more heat in the atmosphere and threatening dangerous climate change
中國正面臨國際社會期望其為減排溫室氣體設定具體目標的壓力。大氣層中溫室氣體會造成溫室效應,引起危險的氣候變化。( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )
研究結果表明: ( 1 )超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐,在二維空間上呈軸對稱的雙峰分佈,負壓形成於這個倒渦流錐內; ( 2 )修正後的霧化氣體速度公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素有氣液質量流率比( gmr )的大小、霧化氣體流量和倒渦流錐范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導液管突出高度取h = 6 . 0mm ,霧化氣體壓力取p = 1 . 0mpa ,合金過熱度取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。Selective absorption of electromagnetic wave. adw employing gases which do n ' t absorb the laser energy can form a gas urtain " whose pressure of the two sides is equal to the low pressure of laser cavity and the ambient circumstance pressure respectively so it can isolate the higher pressure ambient air from entrancing into the laser cavity and maintain the hel ' s running normally
氣動窗口利用對激光器輸出波長沒有任何吸收作用的特殊氣體作為窗口工作介質,並根據氣體動力學部分相關原理,能生成一個具有與激光腔低壓和環境大氣高壓相匹配的壓力梯度、並把激光器低壓工作介質和外界大氣相隔離的「氣幕」 ,從而保證高能激光器的正常工作。It can remove water content, gas and mechanical impurities, flash light acid and light hydrocarbon, and enhance quality of oil, resume utilization capacity of lubricating oil and guarantee normal operation of power, hydraulic and lubricating system
能快速脫除油中的水分氣體和機械雜質,閃蒸除掉輕質酸輕質烴,提高油的品質,恢復潤滑油的使用性能。保證動力液壓潤滑系統的正常運行。We use a isolating impedance between the gas diode and the silicon avalanche diodes, to permit the gas tube to operate properly and to permit the low energy avalanche diode to perform its voltage limiting function - without being damaged
我們在氣體二極體和硅雪崩二極體之間使用一個隔離阻抗,使氣體放電管正常地運作,同時又使低能量的雪崩二極體發揮其電壓限制功能,而不遭受損害。Using cfx4. 3 code with finite difference and simplec methods, the temperature distribution of ladle lining baked at different preheating temperature of combustion gas was studied numerically and experimentally
利用計算流體力學軟體cfx4 . 3 ,採用有限差分方法和修正的速度壓力耦合演算法simplec ,計算了某廠蓄熱式鋼包內襯的溫度分佈,重點分析了不同氣體預熱溫度下鋼包內襯溫度的變化規律,並進行了實驗驗證。Abstract : wind tunnel experiments were carried out to investigate the influence of wind direction on the wind pressure of proximite buildings. mean and fluctuating pressure coefficients on a high building, at sixteen different wind incidences and with one and two interfering buildings, were measured in the tests. this paper presents the characteristics of wind pressure on the building, which varies with the incident wind angle and with the numbers of adjacent buildins. due to the variation of wind angle and the interference effects, the complex feature of pressure distributions can be found on the downstream building surfaces for building group arrangement at certain angle of wind attack. some area of the interfered building for such configuration, in comparison with one single building ' s, may undergo very strong positive or negative pressures
文摘:通過風洞實驗研究了風向對兩個和三個鄰近建築風壓分佈的影響特性.實驗結果給出了在不同風向角下,作用於受擾建築上的平均和脈動風壓系數.當受擾建築處于下游位置時,建築之間的干擾效應主要表現為遮擋影響,建築物上的總體風壓系數不是很大,但在建築物表面上有時會產生局部較大的負壓系數.另外,在某些風向角下由於受到上游分離氣流的影響,在下游建築的局部表面又會出現較大正壓.這些結果可供建築布置和結構設計時參考Fire fighting - positive pressure foam systems and compressed air foam systems
消防.正壓力泡沫系統和壓縮氣體泡沫系統As long as all of the low pressure gas and draft switches are satisfied the fuel gas trip system will be unaffected when the 125 vdc power is restored
應翻譯為只要所有低壓氣體和負壓開關保持正確位置,當125伏特直流電源恢復后燃料氣跳車系統不會被影響。分享友人