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Abstract: By using the pulse-sequence model，the inverse problem of amplification of broad-spectral-bandwidth laser pulse has been studied，i.e.，to find the initial input temporal pulse profile，spatial profile，spectral distribution and fluence from the requ
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文摘:采用脉冲分割模型，研究了宽频带激光脉冲放大的逆问题，即由所要求的输出激光脉冲时间、空间波形、光谱分布和能量密度，并给定放大器参数情况下，求输入激光脉冲时间波形、空间、光谱分布。 |
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Abstract: By using the self-regulating electrostatic drying equipment,theelectrostatic drying for plant leaves is studied.The equipment is a surface silent discharge ozone generator.The electrostatic drying and natural drying are compared experimentally.T
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文摘:在自制的沿面式无声放电臭氧发生装置上，对植物叶片进行了干燥实验.通过对植物静电干燥和自然干燥的比较，证实静电场对植物有明显的干燥效果.发现了静电干燥中的极性效应，即当管状电极的极性为负时，干燥速度较快.对极性效应进行了探讨和分析.实验结果表明:沿面式无声放电臭氧发生装置可以有效地对植物进行静电干燥.研究结果对有效地利用静电干燥和极性效应来合理设计静电干燥装置的结构具有重要意义. |
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Abstract: By utlizing abundant local resource of ytirium and combining the characteristics of magnesium,barium,calcium and silicon,a sort of composite nodulizer-ytirium-based heavy rare earth nodulizer was developed which is characterized by its good desu
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文摘:利用江西省丰富的钇基重稀土，结合镁、钡、硅、钙等元素的特性开发了钇基重稀土复合球化剂，该球化剂具有脱硫、脱氧、抗干扰元素、球化和抗球化衰退能力强，细化基体组织，白口倾向小，适用范围宽等特点，应用于高炉冷却壁，轧辊等关键铸件上可提高心部力学性能和工艺出品率。 |
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Abstract: Calcium and magnesium in nature water are simultaneously determined by dual wave length spectrophotometry.The results are satisfactory.
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文摘:本文采用双波长分光光度法使钙、镁不经掩蔽而同时测定，方法简单、准确。利用该方法对环境水样中的钙、镁进行了测定，结果令人满意。 |
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Abstract: Calculation of the module of a 45 pressure angle involute profile for a tapered splined shaft substituting for a delta profile is studied in this article.The formula of calculation is deduced and the influence of unsuitable module on contact zon
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文摘:讨论了锥三角齿花键轴用45°压力角渐开线齿花键轴代替时，如何计算模数的问题，并推导出相应的计算公式，分析了模数选择不当对接触区的影响. |
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Abstract: Carbon dioxide was introduced into the wheat bulk stored in a brick silo through a duct system and was recirculated for even distribution till CO2 concentration to 70 96 in wheat bulk.
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文摘:二氧化碳被导入一管道系统并使其在砖筒仓的粮堆内逐渐均匀分布，直到其在粮堆中的浓度达70％以上。 |
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Abstract: Casting for denture restorative trame needs a high quality of equipment,the complex materials,a degree of difficult technique and the useful art.Thus it has some difficulty of casting sharpeless and drawbacks' caused at work.The mutual relations
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文摘:为解决铸造牙科修复支架过程中因各种原因造成铸件变形或缺陷，着重探讨了因铸造合金的性能与浇注系统对铸件的影响，并就解决铸造变形与缺陷提出了相关解决办法。 |
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Abstract: Catering to the characteristics of a college course—livestock anatomy,histology and embryology and taking one unit of this course as an example the way of developing its CAI courseware script was introduced.
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文摘:针对《家畜解剖学及组织胚胎学》课程的特点，以该课程中的某个单元为例，介绍了用多媒体创作工具来制作该课程CAI课件时脚本的设计方法。 |
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Abstract: Causes for porosity occurrence in welding seams were investigated by means of statistic analysis of the porosity degree of welding seams of the submerged arc weld spiral pipes made with X65 and Q235 steels from different works and mating weld ma
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文摘:通过对不同厂家生产的X65级和Q235钢材与不同的焊接材料相匹配所生产的螺旋埋弧焊管焊缝内的气孔进行统计分析，并从钢材中氧含量的多少及其焊接材料匹配的不同，来研究焊缝中气孔产生的原因。 |
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Abstract: Cellular adhesive molecular is a kind of membrane glycoprotein, which has associations with invasion and metastasis of tumor.
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文摘:细胞粘附分子是一类跨膜糖蛋白、与肿瘤侵袭转移关系密切。 |
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Abstract: Changbaishan Tianchi volcano being one of the most famous volcanoes in the world is an active volcano with the largest scale and potential danger in modern history.
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文摘:长白山天池火山是世界著名的火山之一,是我国规模最大、最具有潜在喷发危险的一座近代活动火山。 |
