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The method of quantitative calculating of knife edge testing for astronomical mirror polishing is discussed including shadow image CCD real time collecting, image processing and the method of quantitative calculating of clitellum error.

主要介绍天文镜面加工中的刀口定量检验技术，包括阴影图像CCD实时采集、图像处理、定量计算。

The factors that have effect on the packing fixed weight of polyester staple were analysed from the aspects such as the desigh defects of the cutterhead,the inaccuracy of the measurement and the not standard operation.

通过对刀盘设计缺陷、计量不准、操作不规范等影响涤纶短纤打包定量率因素的分析，找出了改进措施，如改造刀盘、调整切断机速度、优化计量控制仪参数、规范日常操作等，从而使涤纶短纤打包定量率由30%提升到98%。

Work in this paper focuses on the data mining from chromatographic retention index data. A retention index database that contains about 50000 records of retention index is firstly established. Projection pursuit technique is then utilized to do data mining upon the data in order to find out some valuable information about the relationship between the retention indices and structural descriptors. A novel algorithm for projection pursuit is developed in this work. Samples of alkane, alkene and cycloalkane are investigated.

中文题名化学数据挖掘新算法和定量构性关系基础研究副题名外文题名 New methodology in chemical data mining and foundational research on QSPR 论文作者杜一平导师梁逸曾学科专业分析化学研究领域\研究方向化学计量学学位级别博士学位授予单位湖南大学学位授予日期2002 论文页码总数115页关键词定量构性关系化学计量学数据挖掘馆藏号BSLW /2003 /O6 /2 化学数据挖掘正逐渐引起化学家们的关注。

These findings suggest that FCM is a rapid and useful technigue in the analysis of pleural effusion and can be a very useful adjunct to conventional cytopathology.

基於此研究结果，在胸水诊断价值上FCM DNA定量方法是一种快速，有用的分析定量胸水细胞DNA，尤其是和一般临床细胞诊断方法同时测定更为有效。

Objective:To develop a real-time florescence quantitative polymerase chain reaction method for quantitation of circulating DNA in plasma and explore its value in the diagnosis and prognosis of breast cancer.

目的：建立一种荧光定量PCR方法用于血浆循环DNA定量，并讨论血浆循环DNA检测在乳腺癌诊断及预后中的意义。

In this paper, the concept of belief degree for quantitative decision model in a complex environment is presented at the first time. The integration of formulization and reasoning of quantitative model with qualitative judgement is studied. The combination of various belief degree generated by quantitative model and qualitative judgement is discussed. A decisio...

文章首先提出了复杂环境下定量决策模型的信度概念及计算方法，然后研究了定量决策模型与经验判断在描述方式及推理方面的统一，最后探讨了对于分别由定量决策模型及专家经验所推论出的结论的合成，并提出了在复杂环境下的"决策的最优性与决策的信度权衡"的决策方法。

Four kinds of main carotenoids from Ipomoea batatas were determined by external standards.

以外标定量法对红心薯中的4种主要类胡萝卜素(β-胡萝卜素，叶黄质，堇黄质，新黄质)进行了定量，结果较为满意。

The differential structure of magnetization suited to wire rope with a large diameter and evaluation methods for magnetizer performance are brought forward.

本学位论文针对钢丝绳缺陷定量检测这一世界性难题，借助于传感技术和计算机辅助无损检测技术，对钢丝绳断丝和直径缩细的检测以及损伤信号定量评价方法进行了深入，系统地研究。

The sectored periodic table, which can be used to the study of crystal chemistry, has been put forward.

论文的第一部分在分析了金属半径、阳离子半径、元素标准熵、原子折射度等与元素电子构型的定量关系后，鲜明地提出：晶体化学参数与元素的电子构型之间存在定量关系，元素的一些性质与周期表之间可以有统一的定量表述方式。

According to different types of abnormal pressure,computation model for quantitative control on the abnormal pressure was set up to meet the needs of efficient and safe drilling in oil-gas fields.Some important parameters were calculated that include reasonable shut-in time,maximum flowing yield and the best flowing time of the injection wells,and reasonable bottom hole flowing pressure,extra oil production and stimulation moment of the production wells.The quantitative computational methods of them were derived.Three methods were applied to one undrilled adjustment well T1 in certain oil-gas field achieving quantitative control to the abnormal pressure in the adjustment well.

考虑到油气田高效、安全钻井的需要，依据不同的压力异常类型，建立了定量控制异常压力的计算模型，确定了注水井合理关井停注时间、最大放溢量和最佳放溢时机以及生产井合理井底流压、增产量和增产时机等参数，给出了计算公式，推导出了注水井最佳关井停注时间、注水井最佳放溢量和生产井合理的增产量的定量计算方法，并通过某油气田的一口待钻调整井(T1井)对3种方法进行了验证，实现了对调整井异常高压的定量控制。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。