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Berthelot, the great French founder of modern synthetic chemistry, once stated in a letter to a close friend that the final experiments which led to his most wonderful discoveries had never been the result of carefully followed and reasoned trains of thought, but that, on the contrary,"they came of themselves, so to speak, from the clear sky."

法国现代合成化学研究的奠基人 Berthelot 曾在给密友的一封信中谈到,关于他的伟大发现的最终的验证试验其实并不是经过详细思考、仔细研究得来的结果,反而是这些试验自己来找他,就象从天而降一般。

The method amending atmosphere influence is introduced, which places large area gray body beside the target. After academic analysis and experiment research, it is found that the "black body demarcation curve" and "reference curve" intersect at the atmosphere temperature point, and the slope amending coefficient and offset amending coefficient could be calculated based this two curve. After corresponding amending on target gray, the infrared radiation characteristics could be calculated by rule and line.

介绍了通过放置在目标附近的大面源灰体修正环境影响的方法,经过理论分析及实验验证,发现"黑体标定曲线"和"参考曲线"相交于环境温度点,并且根据这两个曲线可计算出环境影响的斜率修正系数和偏置修正系数,对目标的灰度值进行相应的修正就可以准确地计算出目标的温度等红外辐射特性。

Relative key concept and technique of this method was described in detail in this paper, such as the decomposition of balance matrix, the modes of self-stress, the modes of inextensional mechanisms, the analysis model of optimization under linear constrained condition, the integration of constrained matrix.

本文从桁架理论的奇异值分解出发,结合有约束线性优化方法,提出了解决这一问题的另一途径,编制了相应的分析程序,经过算例分析与验证,证明了该方法的正确性。

While the shoes were subject to extensive biomechanical newing, Richards said his study - published in the current edition of the British Journal of Sports Medicine - showed they had never been examined in a real-world environment.

理查兹称,尽管跑鞋经过了广泛的生物医学的检验,但他们的这项研究表明,跑鞋的功效从未在现实环境中得以验证。该研究成果在最新一期《英国体育医学杂志》上发表。

59CF Are modifications processed in accordance with the same development steps as for normal design (Quality Assurance Plan for specific products or processes; requalification and/or approval of modified product or process)?

对设计更改的处理是否必须经过与开发新产品设计同样的阶段(具体产品或工序的质量保证计划;工序或产品变更的验证和批准)?

According to the characteristics of the wayside frequency-shift signal spectrum,and based on a great number of computer emulators and real-time experiments and on non-complete periods sampling,the feasibility of applying the under-sampling technology to the real-time FFT analytical method of tramroad FSK signal is validated.

针对轨道移频信号的频谱特点,采用欠采样技术对轨道移频信号进行非整周期的采样,经过计算机仿真实验,验证了基于非整周期采样方法对轨道移频信号进行实时傅里叶变换分析检测的可行性,证明采样方法满足检测指标的要求。

On the basis of setting up mathematical model on blowing energy of 50KJ hydraulic die forging hammer, through simulation analysis, the relation curve of the blowing route and the blowing energy have been attained under the certainly filled atmospheric pressure and the height of loaded die, and the calculation result of simulation has been validated by experiment.

新闻摘要:在建立了50kJ液压模锻锤打击能量的数学模型的基础上,经过仿真分析,得出了在一定充气压力及装模高度下的打击行程与打击能量的关系曲线,并对仿真计算结果进行了实验验证。

These results demonstrated that the sectional structure of the nozzle's orifice would not significantly affect the morphology and the size of the generated microspheres at least for the present system. RESS was also performed by nozzle B at the extraction temperature and pressure of 388K and 30.0MPa and pre-expansion temperature of 453K, and agglomerated microspheres with mean diameter of 0.8μm were obtained.

以α-Al〓O〓微滤膜为基膜的SCSI过程实验结果定性地验证了上述数学模型的可靠性,经过SCSI、水解及烧结过程后,陶瓷膜的孔径改变情况由气体渗透和泡压法表征,结果表明当膜面性质有利于均相成核时,陶瓷膜流动平均孔径减小;相反平均孔径增大,这与过程模拟结果是一致的。

This paper analyses and proves that the restoring saturation coefficient α of one dimension extra-saturation sediment discharge method and the modified coefficient K of the quasi-hydrostatic settlement method are reciprocals each other.

分析论证了一维超饱和输沙法恢复饱和系数α与准静水沉降法修正系数K互为倒数;在分析影响α值变化主要因素的基础上,建立了计算恢复饱和系数α的数学模型;通过误差验证分析和经过几年生产设计部门的使用情况证明,模型的研究思路正确,精度、可靠度均满足设计要求,可供生产设计单位使用。

This paper analyses and proves that the restoring saturation coefficient a of one dimension extra-saturation sediment discharge method and the modified coefficient K of the quasi-hydrostatic settlement method are reciprocals each other.

分析论证了一维超饱和输沙法恢复饱和系数 a与准静水沉降法修正系数K互为倒数;在分析影响a值变化主要因素的基础上,建立了计算恢复饱和系数 a的数学模型;通过误差验证分析和经过几年生产设计部门的使用情况证明,模型的研究思路正确,精度、可靠度均满足设计要求,可供生产设计单位使用。

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