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on base
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     A STUDY OF ASEISMIC METHOD ON BASE ISOLATION MASONRY STRUCTURES
     基础隔离砖石结构的减震研究
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     The Measurement on Base Value of 9 Serum Hormones in Klinefelter's Syndrome
     Klinefelter's综合征患者9项血清激素基础值的测定
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     SELECTIVE WATER PLUGGING AGENT ON BASE OF ANIONIC-CATIONIC-NONIONIC POLYMER CAN-1
     CAN-1阴阳非离子型聚合物选择性堵水剂的研究与应用
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     EXPERT SYSTEM OF QUALITATIVE CLASSIFICATION OF GOLD ORE PREDICTION ON BASE OF COMPREHENSIVE INFORMATION
     综合信息金矿预测定性分类专家系统的研究
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     SEQUENCE COMPARISON BASED ON BASE DISTRIBUTION MATRIX
     基于碱基分布矩阵的序列比较
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     On the base of G.
     在G.
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     It’s base on the .
     它基于.
     4. the base of s
     4、社会稳定发展的基础。
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     SECURITY BASE
     安全大本营
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  on base
The species have closely similar habitat requirements, occur in small populations in old forest stands on base-rich to neutral soils and have restricted dispersal abilities at the present day.
      
canariense (sect.Anemonifolia), another octoploid on base x = 16, the results suggest greater affinity with the former section.G.
      
rubescens (sect.Ruberta) was confirmed; they form a polyploid series (diploid, tetraploid and octoploid on base x = 16).
      
Example studies were performed on base-isolated bridges with four continous spans.
      
On-line pseudo-dynamic network testing on base-isolated bridges using Internet and wireless Internet
      
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Concept of cluster probabilities and method of theoretical calculation have been studied. Groundstate a - d cluster probabilities and binding energy were calculated for Li6. On bases of the calculations it is noted that the independent particles and the clusters as well as the shell model and the cluster model have been developed in direction of unification.

探讨集团几率的概念和理论计算方法,计算了Li~6基态的α—d集团几率和Li~6的结合能,计算结果说明独立粒子和集团及壳模型和集团模型有待于向统一的方向发展。

FFT real time signal analyzer is a digital multifunctional signal analytical system. It can perform real time analysis of signals in the range of audio frequency, such as power spectrum, correlation, convolution, probability density, etc. It's based on base 2 Cooley-Tukey FFT algorithm and odd discrete Fourier transform. The system is constructed in a simple and sequential structure with single arithmetic unit and single memory. The microprogram control and microdiagnostics are employed. This paper introduces...

FFT real time signal analyzer is a digital multifunctional signal analytical system. It can perform real time analysis of signals in the range of audio frequency, such as power spectrum, correlation, convolution, probability density, etc. It's based on base 2 Cooley-Tukey FFT algorithm and odd discrete Fourier transform. The system is constructed in a simple and sequential structure with single arithmetic unit and single memory. The microprogram control and microdiagnostics are employed. This paper introduces the characteristics of the analyzer,the design principle and the hardware design of major components.

FFT实时信号分析仪是一个多功能数字化信号分析系统,它能对声频信号进行功率谱、相关、褶积和概率密度等实时分析。本仪器采用基2Cooley-TukeyFFT算法和奇型离散付里叶变换原理,采用简单的单运算器和单存储器的逐次式结构,采用微程序控制并设置了微诊断程序。本文简要介绍了该机的性能特点,设计原理及主要部件的硬件设计。

The influence of 28 element additions on the melting point, flowability, corrosion resistance and fillet bending ability of A1-Si type filler metal has been investigated. Among these systems, filler 6M, i. e.A1-Si(13.0)-Be(0.4—0.8)-Sr (0.03—0.06)-La (0.03—0.06) is regarded as the optimum. The erosion mechanism of molten filler metal on base metal has been also studied. In addition to the influences of brazing temperature and the composition of filler metal, the rate of solution of base metal into...

The influence of 28 element additions on the melting point, flowability, corrosion resistance and fillet bending ability of A1-Si type filler metal has been investigated. Among these systems, filler 6M, i. e.A1-Si(13.0)-Be(0.4—0.8)-Sr (0.03—0.06)-La (0.03—0.06) is regarded as the optimum. The erosion mechanism of molten filler metal on base metal has been also studied. In addition to the influences of brazing temperature and the composition of filler metal, the rate of solution of base metal into molten filler and the spreading out of molten filler along the fillet are other of importance in affecting the erosion of base metal during brazing. The fillets were annealed for different time intervals and only a little improvement of their strength and bending capacity was observed.

考察了28种有代表性的微量元素对Al-Si共晶钎料的熔点,流动性,抗腐蚀性以及钎缝折弯能力的影响。其中以Al-Si(13.0)-Be(0.4—0.8)-Sr(0.03—0.06)-La(0.03—0.06)钎料体系最为理想。本文还探讨了钎料对母材熔蚀的机理,分析了钎焊温度和钎料组成的影响,此外,还认为与母材熔入钎料的速度以及液态钎料沿钎缝的流布速度有关,此二速度的比值愈大,熔蚀愈烈。最后,在钎焊温度下对钎缝进行了不同时间的保温处理,发现钎缝的强度和抗弯能力仅有不大程度的改善。

 
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