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decreasing pressure中文什么意思

發(fā)音:   用"decreasing pressure"造句

例句與用法

  1. About energy economization , mainly introduced how new technologies and methods are used in utilizing of hydraulic head , decreasing pressure and quantity , setting of fire - fighting system , water pump , supplying of hot water etc
    關(guān)于節(jié)能，主要介紹了在給水管網(wǎng)水頭的利用方面，減壓節(jié)流問題方面，生活與消防系統(tǒng)設(shè)置方面，水泵方面，開水供應(yīng)方面的節(jié)能新方法、新技術(shù)。
  2. The study results show that the minimum ac flashover voltage decreases with the increase of the ice amount accreted on the insulator surface by an exponential law , and the down - trend of the minimum ac flashover voltage will slow gradually with the bridging of the shed of the insulators by icicles , both the average saturated ice amount and the special exponent m of effect of ice amount for different insulators depend on the radius of shed and the air - gaps of the sheds of the insulators , and that the ac ice flashover voltage decrease with the decrease pressure ratio p / p0 ( rise of the altitude ) by power - law for different esdd and icing - states when the altitude is from 4000m to 5500m . the special exponent n , which show the effects of altitude on the flashover voltage , is various with the type of insulator , icing - states and the surface status of iced insulator etc . , and that the minimum ac flashover voltage of iced insulators decreases by power - law with esdd or the freezing water conductivity for different ice amount and atmospheric
    研究結(jié)果表明：在不同海拔高度和等值鹽密esdd下，絕緣子的最低交流冰閃電壓均隨覆冰量的增加而呈指數(shù)規(guī)律降低；當(dāng)覆冰量增加到一定程度后，最低交流冰閃電壓隨覆冰量增加而降低的趨勢趨于飽和；不同絕緣子串的平均飽和覆冰量及閃絡(luò)電壓的覆冰量影響特征指數(shù)m均與絕緣子的盤徑和傘距等因素有關(guān)；在海拔4000 5500m之間，不同等值鹽密esdd和覆冰狀態(tài)下，絕緣子的交流冰閃電壓隨海拔高度的增加(氣壓的降低)與p / p0呈乘冪關(guān)系降低，氣壓影響特征指數(shù)n與絕緣子類型、覆冰類型、覆冰表面狀況等因素有關(guān)；當(dāng)覆冰量和氣壓一定時(shí)，絕緣子的最低冰閃電壓均隨著等值鹽密( esdd )或覆冰水電導(dǎo)率的增加而呈乘冪關(guān)系降低，并逐漸趨于飽和。
  3. Results of calculation indicate that the bubble & dew points may be reduced extremely , but the relative volatility rises slightly and the separation of them is affected hardly by decreasing pressure . and this article puts forward more reasonable modifying suggestions after analyzing numerically in detail the common method of determining the position of sensitive plate in distillation tower and finds out something unsatisfactory about it
    計(jì)算結(jié)果表明,減壓可大大降低乙苯?苯乙烯物系的泡、露點(diǎn),但相對揮發(fā)度增加甚微,對其分離的難易程度幾乎無影響;對常用求取精餾塔靈敏板位置的方法進(jìn)行了詳盡的數(shù)值分析,對其不合理性提出了改進(jìn)措施。
  4. The experimental and simulation results show that using the improved structure of inlet header can greatly improve flow uniformity , decrease pressure loss , enhance the efficiency of twc , attribute to prolonging the service life of the machine , and lessen the power decrease caused by twc , but the light - off time of twc is retarded
    通過模擬與試驗(yàn)表明，與常規(guī)結(jié)構(gòu)催化轉(zhuǎn)化器相比，組合型入口管可明顯改善流動(dòng)均勻性，降低壓力損失約1 / 4 ，提高催化轉(zhuǎn)化器效率，延長使用壽命，減小對發(fā)動(dòng)機(jī)動(dòng)力性的影響，但起燃變慢。
  5. Among the pathophysiological mechanisms , the sudden shift from a positie to a negatie intrathoracic pressure plays an important role since it results on the one hand in an increased pressure gradient for systemic enous return and in cardiac preload and on the other hand in a decreased pressure gradient for left - entricular ejection and an increase in left - entricular afterload
    在諸多病理生理學(xué)機(jī)制中，胸內(nèi)正壓向胸內(nèi)負(fù)壓的突然轉(zhuǎn)換扮演了重要作用，一方面，是由于增加了體循環(huán)靜脈回流的壓力梯度和心臟前負(fù)荷，另一方面，降低了左室射血的壓力梯度并增加了左室后負(fù)荷。

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