航空重力學 的英文怎麼說
中文拼音 [hángkōngzhònglìxué]
航空重力學
英文
aerial gravity- 航 : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 學 : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
- 航空 : aviation; voyage
-
Combined heat and mass transfer by natural convection which is caused by heat and mass diffusion can be seen in nature and some processes of industry, such as evaporation and desiccation. these processes relate to aeronautics, hydraulics, mechanics, chemical engineering, oceanography and aerography
熱及物質擴散引起的傳熱傳質復合自然對流常見于自然界和蒸發、乾燥等工業過程,涉及到航空、水利、機械、化工、海洋、氣象等諸多領域,其流體力學和傳質傳熱特性一直是人們研究的重點。Theoretical researches on solar activity, solar flare and cme were involved in many fields of foundational physics such as plasma astrophysics, magnetohydrodynamics ( mhd ) and so on. the forecast of solar activity, a main branch of space weather, was becoming more and more significant for preventing space disaster and for many aspects of space science
探索太陽活動的規律、太陽耀斑及其伴隨cme的先兆、觸發過程及能量傳播機制等等,從理論上推動了等離子體天體物理、磁流體力學等諸多基礎理論的發展,有著重要的理論意義;而對太陽活動的預報,是國際前沿科學?空間天氣學的重要組成部分,對避免空間災害、為航空航天科學提供服務等方面,具有重大的實際應用價值。Three dimensional braiding preform reinforced resin composite is a new type of advanced composites and used in aircraft and space, transportation, construction, military project, medical treatment and physical education etc. 3 - d braiding composites will subject to long - term tensile force during applied process, which is a long - time creep process
樹脂基三維編織復合材料是一種先進的復合材料,它已經應用於航空、航天、交通、建築、軍工、醫療、體育等領域。在應用過程中,三維編織復合材料會受到長期拉伸力的作用,這決定了它的使用過程是一個長期的過程,因此蠕變性能成為表徵其力學性能的一個非常重要的指標。After being more consummated, the fruits of this project can be straightly applied to manned spacecraft, space scientific exploration, networks of satellites and so on. they will certainly improve the reliability, reconfigurability and obsm ( on - board software maintenance ) of on - board computers, which is most significant to the development of our country ' s space science and technology
本設計的成果經進一步完善以後可以直接應用於我國載人航天、空間探測、衛星組網等任務中去,勢必提高我國航天計算機的可靠性、可重構性以及在軌數據處理的能力,對推動我國空間科學技術的發展有很大的意義。With the trend of emphasis on concealable attack and forcible ruin to military supporting systems, passive locating methods can be seen as an important direction to the development of locating methods and perfection to existing locating systems. passive locating methods have the merits of far distance, concealable receiving and low probability to be detected, compared to active locating methods. so, passive locating system can help to improve viability and battle effectiveness of the whole system in the electronic war environment
在越來越強調軍事支援系統隱蔽攻擊和硬殺傷的趨勢下,採用被動方式工作的無源定位方法作為定位方法發展的一個重要方向和對現有定位系統的完善,較有源定位方法具有作用距離遠、隱蔽接收、不易被對方發覺的優點,對于提高系統在電子戰環境下的生存能力和作戰能力具有重要作用,同時在航海、航空、宇航、偵察、測控、救援和地球物理學研究中有著廣闊的應用前景。Iliff, k. w., “ parameter estimation for flight vehicles, ” journal of guidance, control, and dynamics, vol. 12, no. 5, 1989, pp. 609 - 622
詹銘堯, 「非線性飛行動力系統參數識別與飛行軌跡重建, 」國立成功大學航空太空工程研究所碩士論文, 1997年With the development of material technology, information technology, automation control technology, aeronautics and astronautics technology, the modern flight vehicles are required of high velocity, light structure, great flexibility and super maneuverability, which lead to the serious aeroelastic effects such as aeroservoelasticity, the coupling among the aerodynamics, structure, and control system
隨著材料技術、信息技術、控制技術以及航空航天技術本身的飛速發展,飛行器開始向高速度、輕結構、大柔性、超機動的方向發展,氣動彈性效應更加嚴重,從而引發了氣動、結構、控制系統相互耦合的氣動伺服彈性力學問題。With the fund item sponsored by the national laboratory of hydrodynamics, the study on measurement method of propeller - induced pressure with using self - propulsion model has been carried out in depressurized towing tank
在脈動壓力的模型測試研究方面,本文在水動力學國家重點實驗室基金項目的資助下,對在減壓拖曳水池中利用自航模進行空泡螺旋槳誘導的脈動壓力的測試方法進行了研究。In deep space exploration missions, autonomous navigation technology is very important, and in this paper, we do some research into the autonomous navigation schemes of encountering small celestial bodies. it is mainly described as the follows : firstly, by analyzing the orbit characteristics and task requirements in encounter, the simplified orbit dynamic model for the deep space probe is built up, and whether the corresponding model error that meets the demanding of autonomous navigation task is validated
在深空探測任務中,自主導航技術是十分重要的,本文對交會小行星的自主導航方法進行研究,主要內容包括:首先,分析交會小行星的軌道特性及任務需求,建立簡化的深空探測器軌道動力學模型,並驗證了簡化模型的誤差能否滿足自主導航任務的需求。Main propulsion equipments have been gradually improved. in addition, some additional systems are provided, such as the power station, deck machinery, refrigeration and air condition plant, freshwater generators, drinking water system, steam generating system, ballast and bilge system, and fire fighting system. the management of ship ' s power plant is also known as the engineering management, which is supervised and controlled by the engine department under the direction of the company ' s engine technology management department of the headquarters. owing to the complexity of power plant, the changeability of navigational conditions, and the seriousness of accident ' s consequences, it is essential to explore how to manage the power plant economically and reduce the occurrence of troubles so as to raise the shipping efficiency
隨著科學技術的發展,不僅推進設備逐步得到完善,而且還增設了諸如船舶電站、起貨機械、冷藏和空調裝置、制淡水裝置以及飲水、蒸汽、壓縮空氣、壓載、艙底、消防等系統。船舶動力裝置的管理即輪機的管理,是在船公司機務部門指導下由船上輪機部具體負責實施。因為船舶動力裝置的復雜性、船舶航行條件的多變性、發生事故後果的嚴重性,所以探討如何對輪機進行經濟性管理,減少故障,從而提高船舶的營運效率非常重要。Carbon fiber reinforced silicon carbide composite ( c / sic ) is one of the most promising thermal - structure materials up to 1650 for aero engines. it is very significant to deeply understand the oxidation mechanisms and establish the oxidation kinetic models for the design and application of c / sic composites
C sic復合材料是一種有希望滿足航空發動機熱端部件1650工作溫度需要的結構材料,深入了解其氧化機理並建立氧化動力學模型對c sic復合材料的設計和應用具有重要的指導意義。Professor parr added : " the aims of the network, to be launched in september 2004, are to share and disseminate new theories, methodologies, technologies and tools within the member organisations and wider academic and industrial sectors including aerospace, auto - engineering and factory automation ; identify areas of research and development of interest to academia and industry and support further collaboration ; increase the capability of participating organisations and the wider research communities and improve research quality ; and help the uk universities establish internationally leading joint research programmes with partner universities in china.
月推出,主要目的是為了在成員機構和包括航空航天、自動工程和工廠自動控制在內的更廣泛的學術與產業部門內,分享和傳播新的理論、方法、技術和工具;確定對學術與產業界有重要作用的研發領域,維持進一步的合作;增強參與機構和研究團體的能力並提高研究質量;幫助英國大學與其中國的合作大學創建國際一流的合作研究方案。 」We believe this business line will provide impetus for our future growth. " on the mainland s education resources provision arena, tvh and chinacast have jointly and successfully set up a number of education platforms on various subjects and themes in the past two years with cooperating parties including beijing medical university, beijing aeronautics and astronautics university, beijing science & technology university, china southwest normal university, beijing university subsidiary secondary school, employment and training center - ministry of labor and training center - ministry of justice
網路教育將會是中國信息產業的主要部份,亦是集團未來業務發展的重要動力之一。事實上,宏昌科技與雙威網路于過去兩年在國內的教育領域已建立了多個不個主題的遠程教育平臺,合作單位包括:北京醫科大學、北京航空航天大學、北京科技大學、西南師范大學、北京大學附屬中學、勞動和社會保障部就業培訓技術指導中心及司法部培訓中心。Continuous sic fiber reinforced titanium matrix composites hold immense potential for advanced aircraft and aerospace structural applications. however, due to the high reactivity of titanium, brittle reactive products at fiber / matrix interface are easy to form and may lead to a degradation of the mechanical properties of sic / ti composites
Sic纖維增強ti基復合材料在航空航天領域有重要的應用前景,但由於ti的化學活性大,在復合材料的sic - ti界面處存在嚴重的界面化學反應,會極大的損害sic ti基復合材料的力學性能。Following the developing of the aeronautical technology, higher request was brought forward to deployable antenna on satellites from every relative field. a lot of structural concept for deployable antenna was given out by aeronautic scholar. astromesh deployable antenna is one of them, which has most potential for space application
隨著宇航科技的發展,各相關學科對空間可展天線提出了更高的要求,主要體現在大口徑、高精度兩方面,為此各國學者提出了形式眾多的空間可展天線結構概念,環形桁架可展天線是其中最具潛力的結構形式之一,是本文研究的一個重要方面。分享友人