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Abstract: Brief introduction to χ(2) cascading nonlinearities is presented.The enhancement mechanisms for optical Kerr effect and the photorefractive effect as χ(2) cascading process are discussed.Mutual inductance between quadric and cubic nonlinearities
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文摘:介绍了χ(2)串级非线性.讨论了串级光克尔非线性和串级光折变非线性的增强机制，并指出二阶和三阶非线性的相互转化，为光学非线性工程设计提供了可行性. |
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Abstract: Broad investigation has been done to the road conditions in 16 counties and towns in north Guangxi area,in which overall analysis has been done and studied to the bituminous pavement structure and its material.Thus,Typical structures which adapt
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文摘:通过对广西桂北地区16个县、区的县乡公路路况及交通量的调查，其中对沥青路面结构及其材料进行了较为全面的分析研究，从而提出了适合桂北地区县乡公路的典型结构。 |
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Abstract: Bubble irrigation is a new type of irrigation, it possesses features of water and energy saving, good protecting of lock-up, credibility of operation, and convenience of management.
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文摘:涌泉灌是新型的微灌形式，比地面灌溉节水70%以上，节能50%，抗堵塞性能强，适用范围广，运行可靠，管理方便，其关键设备稳流器出水孔径较大，且能随着运行压力的变化自动调节过流断面，使流量保持恒定。 |
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Abstract: Bureaucratism is the principle that bureaucrats utilize the authority in their hands to gain personal benefit but to harm the people's rights and the attitude of separation themselves from the people.
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摘要:官僚主义是官僚运用手中权力图谋私利而损害人民权利的处事原则和脱离人民群众的思想作风。 |
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Abstract: By a large number of trial and related project experiences,the author can draw a conclusion that organic wastewater can gain better processing efficiency before it flows into the biological fluidized beds with lower sludge concentration by coal
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文摘:通过大量试验和相关工程体会得出：有机废水在进入较低污泥浓度的生物流化床之前，通过粉煤灰的预处理，再配以高效射流曝气器，能有较好的处理效果。 |
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Abstract: By adopting man-computer interactive design system,CAD were made for the three-column settle centrifuge.The steps,method and function of the CAD were introduced.
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文摘:采用人工交互的设计系统，对三足式沉降离心机进行计算机辅助设计。文章阐述了这种辅助设计的步骤、基本设计思路、设计系统的功能。 |
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Abstract: By analysing two examples of using geophysical exploration assisted by drilling explorationto reach the purpose of engineering exploration, the applieation effect of geophysical exploration in reslov-ing the problems in engineering exploration i
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文摘:通过用物探方法配以钻探而达到工程勘察目的的几个工程实例，探讨了物探方法在解决工程勘察问题中的应用效果。 |
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Abstract: By analysis of manufacture,maintenance,regular management and tech-specification,it is concluded that the cot is of special structure,of goo d elasticity and of multi-function for multi-fibre and multi-process.It is id eal for spinning applicati
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文摘:通过对表面不处理双层胶辊的制作、保养、周期管理、配合参数等应用技术的探讨及对其主要技术性能的分析，说明该胶辊结构独特、具有优异的弹性，适纺多种纤维和多个工序，可满足各种纺纱需要。 |
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Abstract: By analysis on the physical and chemical properties of rhizosphere and nonrhizosphere soils of Zanthoxylum bungeanum with soil and water conservation economic benefits in Karst valley of Guizhou province,the soil characteristics suiting Zanthoxy
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文摘:测定了贵州喀斯特峡谷水保经济植物花椒根际和非根际土壤的理化性质；探讨了适宜花椒生长的土壤特性；提出了发展花椒生产的主要技术措施。 |
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Abstract: By analyzing and comparing the differences of the higher vocationcal education of our country and that of the developed countries from culture,the attitudes of government and society and the situations of higher vocationcal education which are o
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本文通过分析对比我国高等职业教育和发达国家高等职业教育在文化观念、政府和社会的态度及高职院校组织实施高职教育的状况等方面的差异，指出若不重视我国高职教育发展面临的潜在问题，在国外得到了成功发展的高职教育，在国内必将面临困境，正如淮北之枳一样“叶徒相似，其实味不同”。 |
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Abstract: By analyzing several on-line measuring methods and gaps between workpieces, the cathode structure, measuring circuit and fuzzy control system were designed.
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文摘:通过对几种在线检测方法和加工对象间隙变化范围的分析，设计了阴极、测试电路、模糊控制系统。 |
