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Abstract: The principle of optical fiber photometer is analyzed. The problems of light modulation, construction of optical fiber probe, design of photoelectric transform circuit and wavelength switching mechanism are discussed.
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文摘:本文就光纤光度仪的原理和设计中遇到的诸如光纤及光调制，光纤探头结构，光电转换电路设计，波长切换机构等问题进行了分析与讨论。本中提出的方法具有很强的实用性。 |
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Abstract: The principle of reproducing the standard with interference measuring method is presented,the test metrology result has been analyzed and the new calibration system is introduced in this paper.
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文摘:说明使用干涉测量方法复制齿线标准的原理。分析它的实验计量结果；介绍新的检定系统。 |
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Abstract: The principle, typical characteristics and application of the UC3637 are introduced .The practical circuit used in welding for invert wire feeding is proposed in the paper.
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文摘:介绍了电机控制专用集成电路UC3637的工作原理，特点及应用。同时给出了焊接中作为可逆送丝的具体电路。 |
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Abstract: The principle，application scopes，model establishment and model correction of the soft measurement as well as its influence upon detection and control systems are discussed.
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文摘:讨论了软测量的原理、应用场合、模型建立和模型校正，以及它对检测和控制系统的影响。 |
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Abstract: The problem is given for the normal circuit of the double exci ter and the trubogenerator for heat giving.The circuit of the double exciter is discusse d and the new circuit of double exciters is given which can be used on the trubo genator for
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文摘:提出相位复式励磁装置与供热为主的汽轮发电机常规接线配装存在的问题，从研究改进“相复励”接线方式入手，以满足供热式汽轮发电机励磁的需要，推荐使用改进的新型接线方式. |
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Abstract: The problem of distance bias controls with overlapping structure is discussed.A decentralized LQG control scheme is proposed by using inclusion principle.The s i mulation results are given by this method for this distance bias control design.
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文摘:讨论具有重叠结构的距离偏差控制问题.利用包含原理，提出一种分散LQG控制的设计方法，并给出利用该方法对距离偏差控制进行设计的仿真结果. |
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Abstract: The process defect,minor defect and key precess,their impact on quality and reliability,and the control method are introduced.The kdy control points,the parameter control scope and the requirement of process environment for high quality and reli
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摘要：重点介绍了国内外半导体器件制造工艺与器件可靠性的相关性报道：缺陷、微缺陷、关键工艺对器件质量和可靠性的影响及其控制方法；还介绍了关键工艺控制点的确定及其参数控制范围以及生产高质量、高可靠性器件的工艺环境的控制要求。 |
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Abstract: The process of axisymmetric drawing of anisotropic materials is considered.
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文摘:研究了轴对称拉伸各向异性材料的过程。 |
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Abstract: The process of thermal fatigue crack propagation on the surface of steel bonded carbide GJW35 under the action of thermal stress has been observed.
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文摘:观察了在热应力作用下GJW35钢结硬质合金表面热疲劳裂纹扩展过程。 |
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Abstract: The progress in nanostructured luminescent materials has been reviewed in this paper.Emphases are laid on the synthesis and characterization methods of (rare earth) doped nanostructured luminescent materials.In the meanwhile,the properties and a
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文摘:本文综述了纳米发光材料的研究进展情况，着重总结了(稀土)掺杂型纳米发光材料的制备方法和表征手段，同时介绍了这些纳米发光材料的性质和应用，并对其未来发展趋势进行了展望。 |
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Abstract: The progress of the aqueous solution cleaning technology for silicon wafer in very large scale integrated circuit fabrication is reviewed.The future of the aqueous solution cleaning technology is discussed as well.
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文摘:本文综述了超大规模集成电路制造过程中硅片溶液清洗技术的研究历史及现状，并对技术的未来发展进行了展望。 |
