飛機用氧 的英文怎麼說
中文拼音 [fēijīyòngyǎng]
飛機用氧
英文
airplane oxygen-
Light gas gun was used to create shock pressure. staged samples, cuneiform window with aluminium coat on the reflecting surface and visar ( velocity interferometer system for any reflector ) were employed in the experiments. polymethyl methacrylate and ofhc copper were assembled as the impactor to impact staged samples
採用氣炮加載,利用臺階樣品、雙點式visar ( velocityinterferometersystemforanyreflector )和鍍膜楔形窗口技術,以有機玻璃和無氧銅組合為飛片,碰撞無氧銅臺階樣品。Acute altitude hypoxia and fulminating altitude hypoxia is the most harmful one of many worse environmental factors for pilots
在諸多不利的環境因素中,對飛行人員特別是軍用飛機飛行人員威脅最大、影響最為明顯的是高空急性缺氧和暴發性缺氧。Oxygen masks are used in aircraft only in emergencies
飛機上的氧氣面具只用於緊急情況High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained
採用化爆加載、平面波發生器和空腔增壓技術,以黃銅為飛片,無氧銅為靶板,測量了抗氫鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空氣( air )和無氧銅( ofhccopper )各阻抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載壓力和等熵卸載后的狀態,得到了等熵卸載路徑。With the development of science and technology, more and more oxide crystals are synthesized by more and more advanced technique, the new oxide crystals are incessantly synthesized and the new characters of oxide crystals are incessantly founded. corundum dopped with impurity not only is cherished because of it ' s beautiful appearance, but also is used in the fields such as electrotechnics, mechanism, laser, the optic apparatus and the underlay of semiconductor. sapphire dopped with ti3 + is the best material of the tunable solid laser. zno crystal is material of the direct gap semiconductor ( the width of forbidden band : 3. 37ev ). the excited emission in zno crystal at room temperature has been found, so the ultraviolet luminescence in zno semiconductor can be acquired at room temperature
含有少量雜質的剛玉晶體( - al _ 2o _ 3 )不僅由於其色澤艷麗成為人們珍愛的名貴寶石,而且由於它具有的優異性能,被廣泛應用於電工、機械、激光器,光學器件和半導體襯底材料。鈦藍寶石是目前最優異的固體寬帶調諧激光材料,用於製作飛秒脈沖可調諧激光器。氧化鋅晶體是直接帶隙寬禁帶半導體材料(禁帶寬度3 . 37ev ) ,現已發現具有室溫下受激發射特性,有可能實現室溫下半導體紫外發光。They reported results from ozone measurements taken with instruments on the ground, in airplanes, and put aloft in scientific balloons during the previous 27 years
他們報道了在先前的27年間在地面、飛機和科學氣球上用儀器進行臭氧測量的結果。Specification for aircraft gaseous oxygen replenishment connection inch dimensions
飛機用氣態氧補充灌注連接件規范A combination of new aircraft built from lighter materials, new fuel - conserving engines and more efficient operating procedures could cut airlines ' fuel consumption by half ? and reduce co2 emissions by a similar amount over the next decade or so
採用輕體材料建造的新型飛機、節省燃料的嶄新引擎以及效率提高的營運程序三者結合就能將航空公司的燃油消耗降低一半? ?並且在今後十年左右的時間內削減相當的二氧化碳排放量。In this paper, the vacuum thermo - cycling effects and vacuum ultraviolet effects on space inflatable structural materials were analyzed based on a thorough survey over the studies done through flight tests, ground simulation experiments and theoretical research. the main contents of this thesis are as follows : the performance damage effects of thermo - cycling on space inflatable structural fabric carbon fiber reinforced epoxy laminates ( cf / ep ), aluminized kapton ( al / kapton ) films which used as reflector of space inflatable antenna were investigated by a temperature range of - 120 120 with the vacuum degree 10 - 5 pa which conducted with space environment ground - based simulation facility
本文在對國內外飛行試驗、地面模擬試驗以及理論研究等所取得的成果調研的基礎上,針對空間充氣結構材料進行地面模擬真空熱循環與真空紫外輻照的研究工作:利用真空熱循環地面模擬試驗機研究了真空環境( 10 - 5pa )中- 120 120的熱循環條件下空間充氣支撐結構織物碳纖維增強環氧樹脂( cf / ep )層合材料、空間充氣展開天線反射面鍍鋁聚酰亞胺( al / kapton )薄膜的空間環境效應。A flight attendant must show the passengers where the emergency exits are and explain how to use the oxygen masks
飛機乘務員必須告訴乘客緊急出口的位置和使用氧氣罩的方法。分享友人