1、

Research on the Influence of Surface Sound Velocity in Multibeam Echo Sounding

表层声速对多波束测深影响的研究

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2、

The seepage in dam foundation in Baishan reservoir has been analyzed in detail from many aspects, including underground water outcropping, icing on the surface of reservoir, geological condition of dam foundation and the geophysical detection results, sediment and so on.

从白山水库坝下游地下水出露现象、水库水面结冰现象、坝基地质情况及物探检测结果、沉积条件等多个方面对水库坝基渗漏情况进行了详细分析。

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3、

Study on dynamic response of offshore surface casing cementing unit and its application

海上表层套管固井装置的动力响应研究及其应用

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4、

This paper presents the design of surface casing drilling in Shengli Oilfield, as well as development of main tools and the field application in Well Kendong-341.

详细介绍了胜利油田表层套管钻井技术整体方案设计、主要工具的研制及在垦东341井的现场试验情况。

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5、

Analysis on lateral load-bearing capacity of conductor and surface casing for deepwater drilling A Method of Safe Mud Density Window and Casing Program Determination with Credibility

深水钻井导管和表层套管横向承载能力分析含可信度的钻井液密度窗口及套管层次和下深确定方法

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6、

A study has been carried out on dynamic response of annular plate installation for cementing surface casing by structural dynamics analysis and according to the status and characteristics of present offshore cementing operations.

应用结构动力学分析方法,结合目前海上表层固井作业的现状和特点,对表层固井环板装置的动力响应进行了研究。

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7、

According to the fact of offshore surface casing cementing operations, a dynamic response has been designed for on site operation conditions and the design parameters that should be adopted for permissible safe stress and safe allowance have been obtained.

结合海上表层固井作业的实际情况,进行了现场作业条件下的动力响应设计,得到了在安全许用应力及安全余量条件下应该采用的设计参数。

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8、

Analysis of smallpox formation mechanism on surface of computer casing

计算机机壳表面爆痘机理分析

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9、

The paper introduced how to solve surface leakage of excavated pile with double protective casing and the better results have been achieved.

本文介绍采用双护筒解决挖孔桩地表水渗漏问题,取得了较好的效果。

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10、

The cutting experiments are carried out to study the variation of turning force, cutting temperature and surface roughness with different cutting parameters during high speed dry turning hardened steel with the ceramic cutter.

通过改变高速车削淬火钢(Cr12)的切削用量,对切削力、切削温度、加工表面质量等进行了较为系统的研究。

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11、

Based on the nature characteristic of lakeside soil with shallow buried depth of ground water table in catchments of Dianchi Lake, controlling the depth and retention time of seepage water in soil could availably reduce the soil nitrate moving to surface water.

利用滇池流域湖滨区土壤潜水位埋深浅的自然特征,控制入渗水的深度和停留时间可有效地减少土壤硝态氮向地表水中迁移。

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12、

This thesis presents a raised panel method based on NURBS ( Non-Uniform Rational B-Splines) for predicting the wave pattern and wave resistance of a ship, with forward speed, piercing the free surface of an ideal fluid.

本学位论文以基于非均匀有理B样条(Non-Uniform Rational B-Splines,NURBS)的面元法计算排水型船舶的兴波波形及波形阻力。

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14、

Based on the assumption that the flow surface is an exponential curve, the Manning formula is applied to deduce the equation expressing the advance process of the irrigation water flow in ditches.

根据水流水面线为幂函数曲线假定用满宁水流公式,推求了水流在畦田推进过程的表达式。

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15、

The rock surface shall be trimmed to a free draining profile, at or below formation levels.

应把岩石表面整理成自由排水面,不高于基床水平面。

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16、

To harden ( a metallic surface) by rapid cooling. The fitting is vertical to allow for free draining with straight run after quench oil injection for good mixing.

冷铸,冷淬通过急冷处理使(金属表面)变硬急冷器是立式的,以便急冷油注入后经直管自排,以达到良好的混合。

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18、

Strip breakage and roll wind-up frequently occur on the ZR 20 when rolling the fragile stock with severe quality problems such as worse shape, serious surface and edge defects.

森吉米尔轧机(ZR20)在轧制板形不好、板面和边部有严重缺陷的脆性原料时,经常出现的生产故障是断带缠辊。

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19、

Breaking length of drifting sheet ice against conical surface of structures

冰排在锥面上的断裂长度

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20、

Based on the field surface shallow flow experiments, the roughness coefficient value ( n) on different land have been quantitatively demonstrated by changed Manning Formula in this pa-per.

在野外小区径流实验基础上,通过经转换的曼宁公式,对不同坡地地表的糙率系数n值进行了定量研究。

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