correction chart

Also, we designed the data format of digital Notice to Mariners. With the technology of network and database, we developed the digital Notice to Mariners distribution system, which lay down the technology base for automatic correction of electronic chart.

本文研究了纸质航海通告的数字化方法，设计了数字航海通告的数据格式，利用现代网络和数据库技术，研制了数字航海通告发布系统，为电子海图的自动改正奠定了技术基础。

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Chart correction has a direct effect on the navigational safety.

电子海图的改正直接影响到船舶航行安全.

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This paper points out an error in the correction chart calculating the equivalent airspeed in some manuals and books.

本文指出了一些手册和教科书中关于当量空速修正计算存在的问题。

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In this paper, correction method and chart for slant hole formation thickness and apparent resistivity are developed by analyzing slant hole lateral device apparent resistivity log and adopting the method of mirror, which provide help for accurate geological interpretation of slant holes.

本文通过对不同情况下斜井梯度电极系视电阻率曲线分析，采用镜象法，研制出对斜井地层厚度和视电阻率的校正方法及图版，这可为油田斜井的精细地质解释提供有力的帮助。

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The application of neutron transport theory to the numerical simulation of neutron well-logging and the construction of correction chart

中子输运理论在中子测井数值模拟中的应用及校正图版制作

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The correction chart is made based on theory calculation or experiment result, it is not suitable for successive comprehensive environmental correction on all well segment formation.

校正图版是根据理论计算或实验结果做出的，不适合于逐点对所有井段的地层进行较全面的环境影响校正。

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With cement sheath correction chart of different casing sizes, software was programmed for correcting its influence.

结合不同套管尺寸下的水泥环影响因素校正图版，编制软件实现了水泥环影响因素的校正。

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This paper analyses the oil, gas and water saturation of two wells of core drilling with keeping formation pressure in Daqing Placanticline and draws a degassed correction chart of oil and water saturation.

通过对大庆长垣两口保压取心井油、气、水饱和度分析，绘制了油水饱和度脱气校正图版。

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