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2005年是“十五”的最后一年,也是科工集团公司在科研生产任务特别是型号批生产任务异常繁重的形势下,各方面工作均取得突破性进展的一年。工艺及国防基础科研工作,也同时取得了可喜成就,为集团公司的型号批生产工作和长远发展,做出了有且共睹的贡献。在工艺工作方面:组织召开了科工集团公司第二次工艺工作会;集团公司从顶层制定了几项管理规章及规范,管理规章体系建设取得重要进展;型号工艺工作成绩显著;基础性工艺工作明显加强;工艺队伍建设受到普遍的重视;工艺管理有所创新;共性工艺研究初见成效。在国防基础科研工作方面:较好地完成了国… 相似文献
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面临的形势开局较好。集团公司成立后,各项任务的完成情况比预期的要好。重点型号的研制工作取得了重大突破;批生产型号交付任务进展顺利;阅兵工程任务圆满完成,有6个型号在天安门前接受了党和人民的检阅;预先研究取得了可喜的成绩。全年完成了多次飞行试验,成功率为79.0... 相似文献
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《航天制造技术》2003,(2)
党的十六大及十届人大对我国制造业的发展提出了新的要求,航天科技工业的发展进入了一个新的历史时期。为贯彻落实好十六大和十届人大关于发展制造业的要求,使航天科技工业的工艺工作适应国防建设的需要,适应航天发展的需要,航天科工集团公司于2003年3月31日~4月1日召开了第一次工艺工作会。会议提出了建立与集团公司发展相适应的工艺工作体系,增强工艺工作的创新能力、可持续发展能力和快速响应能力,使集团公司的工艺工作达到国内军工行业领先水平的工艺工作目标。国防科工委副主任栾恩杰对本次会议给予了极高的评价。指出:航天科工集团在十个军工企业中第一个召开了工艺工作会,工作抓的非常好,工作思路有新意,为国防工业工艺工作的发展,起了一个率先垂范的作用。本刊将陆续刊登科工集团公司第一次工艺工作会的有关文件,供广大读者参阅,以交流情况,促进航天工艺工作的发展。 相似文献
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为深入贯彻落实航天科工集团第一次工艺工作会会议精神,总结二院“九五”以来的工艺工作,明确“十一.五”工艺工作发展目标,实现型号研制生产和批生产能力快速提升,二院于 2004 年 12 月 15~16 日,在京隆重组织召开了“二院第七次工艺工作会”。此次会议是在型号科研生产任务处在决战决胜的关键时期召开的一次极为重要的会议。二院金其明副院长主持了会议。 此次会议得到了各级领导的高度重视。国防科工委专家咨询委员会主任栾恩杰、系统一司副司长李本正、科工集团公司副总经理承文、集团公司工艺专家徐乃明及各有关军、兵种军事代表室… 相似文献
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系统总结了国内外膨胀循环发动机技术的发展和应用情况,在分析未来航天发展需求、研究膨胀循环发动机技术发展方向的基础上,对膨胀循环发动机技术未来的发展进行了展望. 相似文献
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Molly E. Brown Vanessa M. Escobar Josef Aschbacher Maria Pilar Milagro-Pérez Bradley Doorn Molly K. Macauley Lawrence Friedl 《Space Policy》2013
Satellite remote sensing technology has contributed to the transformation of multiple earth science domains, putting space observations at the forefront of innovation in earth science. With new satellite missions being launched every year, new types of earth science data are being incorporated into science models and decision-making systems in a broad array of organizations. Policy guidance can influence the degree to which user needs influence mission design and when, and ensure that satellite missions serve both the scientific and user communities without becoming unfocused and overly expensive. By considering the needs of the user community early on in the mission-design process, agencies can ensure that satellites meet the needs of multiple constituencies. This paper describes the mission development process in NASA and ESA and compares and contrasts the successes and challenges faced by these agencies as they try to balance science and applications within their missions. 相似文献
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In recent years Micro Systems Technology (MST) was introduced to manufacture miniaturized components for satellite subsystems, like small sensors, valves, micromotors, antennas and many more. These components can be used to build a new class of satellites weighing considerably less than 10 kg, with the capabilities comparable to present microsatellites. With the possibility of cheap mass production of such nanosatellites new applications become possible. However, the construction of very small satellites is connected with problems concerning launch, orbit control and, deorbiting. Furthermore the reduction of size creates certain limits for power consumption, data rates and optical resolutions which have to be carefully considered. 相似文献
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Friedensen VP 《Acta Astronautica》1998,42(1-8):395-409
There is a large discrepancy between potential needs for nuclear propulsion and power systems for the human exploration of Mars and the current status of R&D funding, public opinion, and governmental support for these technologies. Mission planners and spacecraft designers, energized by the recent claims of possible discovery of life on Mars and responding to increased public interest in the human exploration of Mars, frequently propose nuclear reactors and radioisotope thermoelectric generators (RTGs) for interplanetary spacecraft propulsion and for power supply on the surface of Mars. These plans and designs typically assume that reactors will be available "on-the-shelf," and do not take the extensive R&D costs required to develop such reactors into consideration. However, it is likely that current U.S. policies, if unchanged, will prohibit the launch of nuclear reactors and large RTGs in response to a perceived risk by the public. 相似文献
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钛合金、不锈钢和铝合金异材管路结构钎焊工艺 总被引:1,自引:0,他引:1
通过对卫星推进系统三种常用材料(钛合金、不锈钢和铝合金)的薄壁、小直径异材管路结构高频感应钎焊工艺试验,研制出了相应的中间层材料,优化了焊接工艺参数,并对优化的工艺参数进行了验证,为航天器薄壁、小直径异材管路结构的工程应用提供了技术基础. 相似文献
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Steven Robert Walk 《Acta Astronautica》2011,68(7-8):853-861
Projecting technology performance evolution has been improving over the years. Reliable quantitative forecasting methods have been developed that project the growth, diffusion, and performance of technology in time, including projecting technology substitutions, saturation levels, and performance improvements. These forecasts can be applied at the early stages of space technology planning to better predict available future technology performance, assure the successful selection of technology, and improve technology systems management strategy.Often what is published as a technology forecast is simply scenario planning, usually made by extrapolating current trends into the future, with perhaps some subjective insight added. Typically, the accuracy of such predictions falls rapidly with distance in time. Quantitative technology forecasting (QTF), on the other hand, includes the study of historic data to identify one of or a combination of several recognized universal technology diffusion or substitution patterns. In the same manner that quantitative models of physical phenomena provide excellent predictions of system behavior, so do QTF models provide reliable technological performance trajectories.In practice, a quantitative technology forecast is completed to ascertain with confidence when the projected performance of a technology or system of technologies will occur. Such projections provide reliable time-referenced information when considering cost and performance trade-offs in maintaining, replacing, or migrating a technology, component, or system.This paper introduces various quantitative technology forecasting techniques and illustrates their practical application in space technology and technology systems management. 相似文献
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论述了几种目前可以用于涂层离心、浇注以及喷涂的主要设备的技术参数和特点,涂层自动化制造可以大大提高航天产品制造技术水平及质量。 相似文献
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在高集成的射频微机电系统RF MEMS(Radio Frequency Micro Electro Mechanical System)器件的发展趋势下,三维集成工艺的研究越来越多。基于PolyStrata技术的三维多层堆叠同轴器件以其无色散、低损耗、超宽带的优势脱颖而出,PolyStrata技术使用紫外厚胶作为牺牲材料,对光刻胶粘附性、精度、工艺兼容及释放性能要求高,常规厚胶难以满足。探索A、B两种紫外光刻厚胶,对两者工艺参数及图形质量进行对比研究。结果表明,光刻胶A厚度均匀性为98.6%,图形偏差小于10μm;光刻胶B图形偏差小于5μm,但均匀性较差,约80.4%。 相似文献
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