Marine coatings are coatings that are specially made for the manufacture and maintenance of commercial and military ships as well as fixed and floating marine structures. They are applied to commercial ships including freight carriers, tows, cruise ships, yachts, and others to improve the life and efficiency of these assets and protect them from the corrosive effect of sea water. Marine coatings are not only used for esthetic purposes, they are primarily used for their functional benefits.

关键词：船舶涂料；制造；维护；商用；军用船舶

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中国证券网3月3日报道，2月27日，交通运输部部长杨传堂主持召开部务会议，会议审议并原则通过了《关于废止7件铁路规章的决定》和《关于促进我国邮轮运输业持续健康发展的指导意见》。这也标志，《关于促进我国邮轮运输业持续健康发展的指导意见》出台在即。

关键词：港口航运业；要闻综述

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This paper discusses the importance of implementing advanced autonomous technologies supporting operations of future NASA missions. The ability for crewed, uncrewed and even ground support systems to be capable of mission support without external interaction or control has become essential as space exploration moves further out into the solar system. The push to develop and utilize autonomous technologies for NASA mission operations stems in part from the need to reduce operations cost while improving and increasing capability and safety. This paper will provide examples of autonomous technologies currently in use at NASA and will identify opportunities to advance existing autonomous technologies that will enhance mission success by reducing operations cost, ameliorating inefficiencies, and mitigating catastrophic anomalies.

关键词：自治；太空探索；自适应控制；探险车；机器人；自动控制

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This thesis was written to satisfy graduation requirements from the Joint Advance Warfighting School at the Joint Forces Staff College, Norfolk, VA. The thesis argues that the Services must develop an integrated and coordinated joint methodology to organize and train general purpose forces (GPF) as air advisors for fixed-wing and rotary-wing aviation security force assistance (AvSFA) missions. It also proposes a joint solution to flexibly increase the depth and breadth of GPF air advisor capability without burdening the Services with creating additional force structure. The core of the proposed joint solution is to create Joint GPF AvSFA Unit Type Codes (UTCs). Upon implementation, the Services will possess taskable packages of GPF fixed-wing, rotary-wing, and aviation support capability. These three AvSFA UTCs could be used independently or employed in concert to support the theater campaign plans of the geographic combatant commands. Eight recommendations result from the thesis. The three primary recommendations are to adopt the proposal, to identify a lead Service to chair joint implementation, and to convene a joint working group to determine the precise composition of the recommended GPF AvSFA UTCs.

关键词：空中力量；军事顾问；固定翼飞机；军事援助；军事训练；旋转翼

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The hybrid wing body center section test article is an all-composite structure made of crown, floor, keel, bulkhead, and rib panels utilizing the Pultruded Rod Stitched Efficient Unitized Structure (PRSEUS) design concept. The primary goal of this test article is to prove that PRSEUS components are capable of carrying combined loads that are representative of a hybrid wing body pressure cabin design regime.

关键词：飞机设计；结构稳定性；失效模式；舱壁；数学模型

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关键词：交通运输；铁路；公路；航空运输

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An aircraft health monitoring system is a tool used to monitor and enhance flight safety, and reduce operational time and maintenance cost. This tool functions by recording actions, performance, and status of aircraft components into a remote database. Aircraft health monitoring systems then collect these data from various aircraft components, systems, and subsystems, to reach a certain resolution, based on algorithms programmed into the collect ion system. The aircraft health monitoring systems' products are mainly deployed in airlines to monitor unanticipated events, and to reduce unscheduled maintenance and disruption in operations.

关键词：飞机健康监测系统；监测；飞行安全

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Fasteners play a vital role in the Aerospace industry and are used to build jetliners, business jets, fighters, military helicopters, rotorcraft, and satellites. The Aerospace industry uses standard fastener types, which include bolts, screws, studs, rivets, collars, and pins. Aerospace fasteners should be of par high quality. The fasteners used in the Aerospace industry need to withstand high pressure and temperature. Moreover, they should be more durable and lightweight, since this helps to reduce the weight of an aircraft.

关键词：紧固件；航空航天工业；平价；高品质

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Landing mission concepts that are being developed for exploration of planetary bodies are increasingly ambitious in their implementations and objectives. Most of these missions require accurate position and velocity data during their descent phase in order to ensure safe soft landing at the pre-designated sites. To address this need, a Doppler lidar is being developed by NASA under the Autonomous Landing and Hazard Avoidance (ALHAT) project. This lidar sensor is a versatile instrument capable of providing precision velocity vectors, vehicle ground relative altitude, and attitude. The capabilities of this advanced technology have been demonstrated through two helicopter flight test campaigns conducted over a vegetation-free terrain in 2008 and 2010. Presently, a prototype version of this sensor is being assembled for integration into a rocket-powered terrestrial free-flyer vehicle. Operating in a closed loop with vehicle's guidance and navigation system, the viability of this advanced sensor for future landing missions will be demonstrated through a series of flight tests in 2012.

关键词：光机电；传感器；多普勒激光雷达；着陆

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Plastic is a synthetic material made from moldable synthetic polymer of higher molecular mass. Some of the different types of plastic are polystyrene, nylon, rayon, and polyvinyl chloride. Plastic has several applications and is used in a variety of products; one such notable application of plastic is in the Aerospace industry. Plastic is used in the manufacture of aircraft windshields, windows, fairings, seats, etc.

关键词：塑料；高分子量；合成聚合物；航空航天行业

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