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In this paper, the principles and characters of microwave synthesis were introduced, the recent applications of microwave irradiation techniques in organic synthesis were summarized, and the prospect of microwave synthesis were expected with 30 references
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简述了微波有机合成的机理和特点,介绍了近年来微波辐射技术在有机合成中的应用,展望了微波促进有机合成化学的发展方向。 |
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In this paper, the principles and methods of target recognition are discussed mainly, using infrared optical technical equipment through the measurement of the target′s temperature, radiant intensity and infrared thermal image.
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反导系统对于来袭弹道导弹弹道中段及再入段的识别可以用微波雷达技术,也可用光学技术。 |
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In this paper, the principles and the main processing of new methods for preparation of ferrite powders are discussed, including self-propagating high-temperature synthesis, low-temperature combustion synthesis, mechanochemical synthesis, hydrothermal syn
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综述了铁氧体粉料的新型制备方法的原理和主要工艺过程,包括自蔓延高温合成法、低温燃烧合成法、机械化学合成法、水热法、冷冻干燥法和超临界流体干燥法等。 |
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In this paper, the principles, contents and realization means of monitored subsidence data analysis based on wavelet theory are introduced.
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摘要介绍了基于小波理论的沉降数据分析的理论背景、内容及实现方法。 |
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In this paper, the problem is studied and a solution is put forward from the point of view of the transference function.
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从传递函数的角度分析了管道有源消声的次源声反馈问题,并提出了解决上述问题的方法。 |
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In this paper, the problem of limit cycle for a cubic system is studied.
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摘要讨论三次系统(方程式略)的极限环问题。 |
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In this paper, the problem of optimal tension distributing of wire-driven parallel robot of actuation redundancy for aircraft wind tunnels is theoretically solved.
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摘要从理论上解决了应用于飞行器风洞试验的绳牵引并联机构拉力分布的优化问题。 |
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In this paper, the problem of stochastic optimal control with uncertain terminating time is discussed.
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摘要文章研究了终时不确定的随机最优控制问题。 |
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In this paper, the problems of plant-type structure of super-high-yeild genotype in wheat were discussed from three aspects of plant-type structure in wheat, plant-type structure of super-high-yield genotype present and it, s improvement strategy.
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摘要从小麦的株型结构、目前超高产小麦基因型的株型结构和超高产基因型株型结构改良的策略3个方面,对小麦超高产基因型的株型结构问题进行了讨论。 |
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In this paper, the procedure of frozen processing of the unriped maize was analyzed and energy conservation measures were suggested.
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本文就鲜食玉米的冷冻加工过程进行了分析,提出了鲜食玉米保鲜过程中的节能措施。 |
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In this paper, the progress of isolated microspore culture was reviewed: the major factors affecting regeneration; the methods of reduplication; the major factors affecting the formation of embryo, for example, experimental material, culture medium, raise
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通过对影响大白菜游离小孢子胚胎发生的主要因素-材料基因型、供体母株生长状态、小孢子发育时期、培养方法、培养条件和影响植株再生频率的因素以及小孢子植株的加倍方法等进行了综述。 |