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Abstract: In this paperfor real marine underwater noise data by using synchronous acquisition of pointsinputs-output covariance matrix is obtained by filtering compensating delay and crosscorrelation.Then the contribution of inputs to output in network
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文摘:本文对多点同步测量方法记录的舰艇噪声数据,采取在时域上作滤波、时延补偿和互相关得到输入输出协方差矩阵,然后从输入输出协方差矩阵计算在网络意义和偏相干意义下输入对输出的贡献以及其它有用的量。 |
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Abstract: In this paper，a ray-optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon.Some basic equations of dual beam scan are derived，such as，the position vector for the incident point，the sc
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文摘:应用几何光学理论研究了多光束转镜扫描场的非对称性，导出多光束扫描入射点位置矢量、反射线标量表达式、观察面上的扫描轨迹方程，并研究了扫描远场的非对称性。 |
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Abstract: In this paper，the essential chemical composition on the spheroidized quality of small-sized ductile iron pipes have been investigated，and the degeneration of spheroidal graphite in ductile iron pipe was analyzed，under practical manufacturing con
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文摘:在实际生产的条件下，研究了小口径球墨铸铁管在球化后主要化学成分的分布和变化对铸态球化效果的影响，并对铸管存在的球化衰退进行了分析；根据试验结果，提出了对成分及工艺条件进一步的改进措施。 |
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Abstract: In this paper，the feature of structure and the principle of preparation of porous glass is reviewed，and the characteristics and prospect of porous glass as new packing mcdium of liquid chromatography is reviewed also.
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文摘:本文综述了一种新型载体材料多孔玻璃的结构特点和制备原理，及其作为液相色谱新填充介质的良好特性和应用前景。 |
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Abstract: In this study distributions of block compression force on the driving and driven pulleys were measured using a ting load-cell inserted between two blocks and a telementer system, under several constant speed ratios.
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文摘:本研究采用超小型测力仪插入两推块和遥测装置之间在几种固定速比下测量主动和从动带轮上推块压缩力分布。 |
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Abstract: In tokamak plasma radiation diagnostics,if the width of a detected plasma chord is comparable with the plasma minor radius,the plasma boundary may influence the line-integrated emissivity considerably and make it a weighted integral of the width
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文摘:在托卡马克辐射诊断中，当探测束线的极向宽度与等离子体小半径可以比较时，等离子体边界会显著影响线积分辐射率，使其成为宽度平均辐射率的带权重的线积分。 |
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Abstract: In ureide-transporting legumes，ureides(allantoin and allantoic acid) are major transportform of biological fixed nitrogen.The distribution， properties，structure and regulation of plant allantoinase were reviewed in detail.The advances in the rec
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文摘:全面综述植物酰脲降解代谢酶的研究现况，概述植物尿囊素酶的分布、性质、结构，以及调节控制，并简介植物尿囊酸酰胺水解酶和脲基乙醇酸酰胺水解酶的研究近况，同时指出待研究的方向。 |
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Abstract: In view of present false medical morals and incorrect vogues in some vocations, combing with its practice, this article points out : stress Party's morals education to improve medical morals ; model a group with the representative ; restrict act
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文摘:本文针对目前社会上不良的医德医风及行业不正之风，结合自己的实际工作，提出：以党风促医风、以典型塑群体，以制度束行为等有效治理措施，取得了明显效果。 |
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Abstract: In view of technical problem of hydro-pyro processing of lead anode slime,by changing technological conditions of pretreatment and optimizating technological procedure,the cost of process decreased and the recovery of Ag increased to 98.34%,whic
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文摘:针对某厂湿火联合法处理铅阳极泥工艺存在的问题，改变了预处理条件，优化工艺结构，降低生产成本，提高了银直收率，达到98.34％，使工艺更具经济合理性。 |
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Abstract: In view of the crystal structure,this paper repo rts thecharacter of single crystal growth of germanate and the properties as me dium of laser crystal.The study and progress in germanate crystals used as widel y tunable laser crystal, self-doubl
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文摘:从晶体结构上分析了锗酸盐的单晶生长和作为激光晶体基质的特点，并介绍了锗酸盐作为可调谐激光晶体，自倍频晶体，高转换效率和低泵浦阈值的激光晶体的研究及进展。 |
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Abstract: In view of the difficulties of training the talent, further researches, financial guarantee in sanatoriums , this article put forward the detailed solutions: strengthen researching knowledge; cultivate the researchers; establish specific subject
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文摘:本文针对疗养院科研工作中存在的人才培养难、科研深入难、财务保障难的问题，提出了解决“三难”的具体对策：①强化科研意识；②培养科研人才；③建立特色学科；④充分利用有限经费等等。 |
