protection n. 1.保护,保卫,防御,掩护,包庇,照顾 (from; against)。 2.保护者,防护物 (against); 〔美俚〕(歹徒向人索取的)保护费。 3.护照,通行证;〔美国〕(国籍)护照;通行证。 4. 【经济学】保护贸易制,保护政策。 protection against cold 防寒用具。 protection against moths [lightning] 除虫,避(雷)。 protection at halts 驻军警戒。 protection on move 行军警戒。 under the protection of 在…保护下,受…保护,托…照顾。
thermal adj. 1.热的,热量的,温热的;由热造成的。 2.温泉的。 thermal barrier 【航空】热障。 thermal capacity 热容量。 thermal conductivity 【物理学】导热性;导热系数。 a thermal power station 热电站,火力发电站。 a thermal unit 热量单位。 thermal springs 温泉。 n. 【航空】上升暖气流。 adv. -ly
Low - voltage switchgear and controlgear - part 8 : control units for built - in thermal protection for rotating electrical machines iec 60947 - 8 : 2003 ; german version en 60947 - 8 : 2003 低压开关设备和控制设备.第8部分:旋转电机的内置热保
The requirement of the primary hot structure provides both thermal protection and loading for the future spacevehicle can be achieved by integrated design of thermal protection and load bearing 防热?结构一体化设计,要求未来空天飞行器的关键热结构能够同时满足防热和承载的要求。
Energetic materials for defense - physical - chemical analysis and properties - characterisation of the bonding between energetic materials and liners , inhibitors and thermal protections , shear 国防用高能材料.物理-化学分析和性能.高能材料和衬里抑制剂和热保护层之间粘结的特征.剪切试验
Energetic materials for defense - physical - chemical analysis and properties - characterisation of the bonding between energetic materials and liners , inhibitors and thermal protections , normal traction 国防用高能材料.物理-化学分析和性能.高能材料和密封衬里抑制剂和热保护之间的粘结特征.正常拉伸
The return of a reusable spacevehicle into earth ' s atmosphere with high - supersonic is gas - heated intensely , which requiring the high performance of thermal protection provided by the hot - structure composite materials 可重复使用空天飞行器以高超音速再入大气层时受到强烈的气动加热,对结构的防热性能提出了很高的要求。
The industrial company maler frohes schaffen carries out a outstanding quality within the range full thermal insulation sealing , thermal protection as well as facade cleaning and wall - papering as one of the prominent enterprises Maler frohes schaffen是一家令客户满意的工业型企业,该企业生产杰出的屋面清洁,裱糊工作,全绝热,热防护、绝热、热绝缘。
The permeability of the skin of a building towards light , heat and air , and its transparency must be controllable and capable of modification , so that it can react to changing local climatic conditions ( solar screening , protection against glare , light deflection , shading , temporary thermal protection , adjustable natural ventilation ) 建筑表皮对于光,热和空气的可渗透性,和它的透明度必须可以控制并且能够得到调整,因此它能够作出反应改变局部气候条件(太阳遮挡,防护太阳发出的眩光,光的偏斜,留下的阴影,暂时热保护,可调整的自然通风)
The experiment results provided a basis for establishing inhibitor ablation model and thermal protection design . the work of this paper can be summarized into four parts : 1 . by analyzing the characteristic of the flow field of srm under high acceleration condition , the following phenomena were discovered : particles were deflected and concentrated in local region by overloading , which reinforced inhibitor ablation , and the particle distribution alone the wall was affected by several factors 本文的研究工作概括为以下四部分: ( 1 )通过分析固体发动机在高过载作用下的流场特点,发现流场中凝相粒子在过载作用下发生偏转,并在局部大量聚集而形成稠密的粒子流,强化了对绝热层的烧蚀;粒子在发动机壁面上的聚集分布受多种因素影响。
With the development of reusable launch vehicles , the thermal protection system has been oriented by the idea of incorporate design which involves thermal protection - structure - thrust system . at the same time , the weight proportion of thermal protection system has been reduced , but the working temperature of thermal protection system has been increased 随着可重复使用航天器的发展,热防护系统在向着防热-结构-推进系统一体化设计的方向发展,与此同时,整个防热系统在总起飞重量中所占的重量比例也在降低,而使用温度升高,即要求防热结构日趋先进。
In summary , this paper developed experiment techniques to simulated flow field in overloading srm . it is an effective way to study inhibitor ablation pattern under high acceleration condition . the experiment results provided basis for investigating ablation mechanism and thermal protection 通过本文的研究工作,发展了一种高过载发动机内流场模拟实验技术,为开展高过载条件下绝热层烧蚀研究提供了有效的实验手段;获得的绝热层烧蚀实验结果以及粒径分布规律,为高过载条件下绝热层机理研究奠定了基础,为高过载发动机热防护设计提供了依据。