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Abstract: First, this paper deduced the diffraction equation for refractive index phase modulation holographic grating, and pointed out that the diffraction efficiency was mainly influenced by refraction index modulation, and the diffraction efficiency of
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文摘:首先推出折射率相位调制型全息光栅的衍射方程,由此说明衍射效率主要取决于调制折射率,且各级衍射光的衍射效率不同是多种原因造成的。 |
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Abstract: Focused on the metal plastic forming of valve bodies for power plant boiler,a new process named “Shear Extrusion”is described in this paper.The numerical simulation analysis is carried out by using the 3-D DEFORM software to predict the distribu
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文摘:针对电站锅炉用大型截止阀体的制造新工艺—“剪切挤压”，利用数值模拟的方法对剪挤工艺进行研究，得到了成形过程中速度、应力、应变及温度场等的分布及金属流动规律，并通过物理模拟实验进行了验证，进而为获得阀体剪挤制造的最佳成形工艺参数提供可靠依据。 |
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Abstract: Focusing on such aspects as natural drugs, natural pesticides, growth and ecologic regulators, natural dependence drugs and total synthesis of natural organic compounds, this paper reviews some compounds with greater social significance or acade
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文摘:本文从天然药物、天然农药、生长及生态调节物质、精神依赖药物和全合成等几个方面，通过评论一些有较大社会意义或学术价值的化合物，试图透视具有生理活性天然有机化合物这一常盛不衰的热点研究领域的发展脉络，及对人类生活的意义。 |
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Abstract: Following the population and the economic rapid development, the Seoul Metropolitan Government introduced a deep and wide range of reforms to its bus transport system.
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摘要：随着经济、人口的快速发展，首尔开展了一次针对地面公交系统的成功而深刻的变革。 |
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Abstract: Following the review of impact of environment and health from nuclear fuel cycle of China, the analysis is carried out to the improvement of producing and protection techniques of uranium mining and metallurgy and the decrease of impact of envir
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文摘:回顾了我国核工业在过去30多年的发展过程中环境、健康影响的变化，分析了其中的重点环节——铀矿冶设施生产和防护技术的改进对降低辐射危害的作用，并以铀矿冶设施中铀矿井废水和铀尾矿库治理的防护水平和代价为例，讨论了铀矿冶设施防护的代价效能和防护水平。 |
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Abstract: For a class of nonlinear hyperbolic equations,the existence and uniquess of a global weak solution are obtained,the dependent relation of existential interval of a classical solution on data is gained too.
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文摘:对一类非线性双曲方程给出了整体弱解的存在唯一性及古典解关于时间的存在区间对资料的依赖关系。 |
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Abstract: For discussing the impact of different compensation methods on medical service needs and utilizations, the paper includes two compensation methods, fee for service and fee per capita, and compares them under the same gender, age group, and medic
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摘要：为探讨不同费用补偿方式对医疗服务需求和利用的影响程度，本文采用按服务项目付费和按人头付费二种补偿方式，比较二种方式下相同性别、相同年龄段人群，在相同医疗保险制度模式下其门诊医疗服务的需求和利用情况。 |
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Abstract: For offsbore oil fields with large power and heating loads, butlack of asaociated gas, the solution of power and heating co-generation will improve theovemll energy efficiency and cut down operating costs, thus improving the mteof return and low
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文摘:对于电负荷和热负荷都比较大而伴生气量严重不足的海上油田，实现热电联供将会提高能源综合利用率，节省操作费用，从而提高油田收益率，降低桶油成本。 |
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Abstract: For quick understanding the states of embedded places of instruments and their operation conditions so as to find and handle problems in time,by helping of some typical illustrations ,the problems of drawing complex safety-monitoring engineering
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文摘:为使监测人员快速、及时了解仪器埋设部位的状况及运行情况，发现问题及时处理，通过列举典型例子，利用EXCEL通用软件，重点解决了绘制复杂安全监测工程图表问题：即同一图中两条以上曲线分别对应两个不同纵坐标；自变量与因变量位置交换；数据系列起始点或监测频次不同；变形监测控制网绘制等。 |
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Abstract: For that the situation needed strategy of Wuweigoverning and that HUANG Lao's Wuweilay emphasis on ruling of law which was advantagious to the re-establishment of social order,maintained less tax paid and made people rich to develop economy.
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文摘:道家黄老无为而治的政治思想，第一次登上政治舞台，作为治国安民的指导思想，在西汉前期的社会经济的重建中，取得了极为显著的成效。 |
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Abstract: For the changing international banking, one thing is certain that New Basel Capital Accord will he implemented all over the world in next years.
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摘要纵观国际银行业，巴塞尔新资本协议在未来几年内全球范围实施已成定局。 |
