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core barrel     
相关语句
  吊篮
     The mode frequencies of the core barrel vibration in normal temperature water are 76.2,125.0,181,215 and 239.7Hz。
     由此鉴别出吊篮振动模态频率为76.2、125.0、181、215、239.7Hz。
短句来源
     Vibration Characteristics of the Core Barrel Components of CNP1000 Nuclear Reactor
     CNP1000反应堆吊篮组件振动特性研究
短句来源
     Application Study on Core Barrel Vibration Monitoring Using Neutron Noise
     中子噪声在核反应堆吊篮振动监测中的应用研究
短句来源
     Analysis of Vibration Characteristics of a Core Barrel in Air
     空气中吊篮结构的振动特性分析
短句来源
     As stimulated by the narrow band sweep frequency force,the of frequency peak at about 125Hz is brought on by the core barrel vibration stimulated by sweep frequency range from 110 to 180Hz.
     窄带扫频激励吊篮,在20Hz~70Hz范围的扫频窄带内,中子噪声频谱主要出现70Hz以上的特征谱线,在70Hz~110Hz范围内,主要出现低于扫频窄带频率的特征谱线,在110~180Hz范围内,主要出现125Hz左右的特征谱线,从180~190Hz起的窄带扫频中,只能激励125Hz左右的特征谱线;
短句来源
更多       
  岩心筒
     RESEARCHING AND APPLICATION OF LOW FRICTION CORE BARREL
     低摩阻岩心筒的研究与应用
短句来源
     Effect and Method of Raising the Stability of Outer Core Barrel
     提高外岩心筒稳定性的作用及方法
短句来源
     The low frictinal core barrel has been developed in which inner face has a lay epoxy resin coating with low frictinai factor by Shengli drilling research institute.
     胜利油田钻井工艺研究院研制成功的低摩阻岩心筒,内筒内表面有一层低摩擦系数的环氧树脂涂层,特点是随载荷增加,摩擦系数减小;
短句来源
  取心钻具
     HZ308 Multi-Function Core Barrel
     HZ308多功能取心钻具
短句来源
     Application of HZ308 Multi-function Core Barrel in a Gold Mine
     HZ308多功能取心钻具在某金矿区的应用效果
短句来源
     Development and Application of KZ Single Rotary and Double Tube Core Barrel
     KZ型单动双管取心钻具的研制与应用
短句来源
     Abstract This article introduces the structure, property, working theory and field test results of HZ 308 multi-function core barrel.
     介绍了HZ308多功能取心钻具的结构、特点,工作原理及生产试验情况.
短句来源
     Based on application of HZ308 multi-function core barrel in altered rocks and quartz vein gold ore forrnation measures ard proposed for preventing core blockage and wear due to using of the bottom jet flow bit.
     通过HZ308多功能取心钻具在蚀变岩型和石英脉型金矿地层的应用,提出了防止底喷分流式钻头堵心、减少其损耗的措施。
短句来源
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  堆芯吊篮
     After having completed the model analysis of the pressurized water reactor (PWR) core barrel in an 1:10 model,the dynamic characteristics are obtained.
     在反应堆1:10模型上进行了堆芯吊篮结构的空气和静水中模态分析试验,获得动态特性。
短句来源
     After having completed the model analysis of the pressurized water reactor (PWR) core barrel in an l:10 model, the dynamic characteristics are obtained.
     在反应堆1:10模型上进行了堆芯吊篮结构的空气和静水中模态分析试验,获得动态特性。
短句来源
     The Power Spectrum Density(PSD) of neutron noise induced by the Core barrel vibration of has been carried out. This work verifies that the vibration frequencies and amplitudes can be obtained by analyzing the neutron noise,and indicates that the validity of vibration monitoring to internals using neutron noise.
     通过对临界装置堆芯吊篮激励振动引发中子噪声实验得到的功率谱密度(PSD)进行分析,证实了从中子噪声PSD中获得吊篮振动特性(各阶特征频率)是可行的,并给出了中子噪声探测器PSD幅度与吊篮振动幅度之间的比例因子(刻度因子)的计算方法。
短句来源

 

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      core barrel
    In soils with a moisture content less than 10% a double-tube core barrel must be used.
          
    A combined experimental-analytical approach in the fluid-induced vibration analysis of the reactor core barrel is proposed.
          
    A combined experimental-analytical approach in the fluid-induced vibration analysis of the reactor core barrel
          
    These include the positive displacement coring motor (PDCM), the "Navi-drill" core barrel, and a top driven diamond coring system (DCS).
          
    The evolution of these progressive scientific coring systems began with the Rotary Core Barrel (RCB) used by the DSDP and proceeded to the highly advanced Diamond Coring System (DCS) currently under development by ODP engineers.
          
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    In order to produce advanced glass float meter with reinforeced muscles.We have investigatad core barrel materials which are the key to produce the ins-trument. Our tests have shown that 35Ni15Cr type and 38Ni22Cr type Fe--Cr--Nibase superalloy are excellent core barrel materials. Because they possess rather goodhigh-temperature strength, oxidation resistance, high-temperature hardness and largecoefficient of expansion. They are suitable for core barrels. The taper glass with re-inforced muscles...

    In order to produce advanced glass float meter with reinforeced muscles.We have investigatad core barrel materials which are the key to produce the ins-trument. Our tests have shown that 35Ni15Cr type and 38Ni22Cr type Fe--Cr--Nibase superalloy are excellent core barrel materials. Because they possess rather goodhigh-temperature strength, oxidation resistance, high-temperature hardness and largecoefficient of expansion. They are suitable for core barrels. The taper glass with re-inforced muscles is successfully produced by means of the core barrel. They are prov-ed of good quality.

    为了生产先进的带筋玻璃转子流量计,我们对生产中的关键问题一芯棒材料进行了研究,发现35Ni15Cr型和38Ni22Cr型铁基高温合金具有良好的高温强度、抗氧化性和高温硬度以及较大的线膨胀系数,制成的芯棒,生产的带筋玻璃锥管,质量良好。

    On 1:10 steel model,a core barrel with thermal shield and the correspondingconnection and support conditions is modeled.The natural vibration tests of thebeam modes and shell modes of the core barrel without thermal shield and withthermal shield in three different connection conditions are studied respectively.Thenatural frequencies and the corresponding normal modes are measured.Two pheno-mena are discovered:①CouPling vibrations between the core barrel and the thermalShield are induced by...

    On 1:10 steel model,a core barrel with thermal shield and the correspondingconnection and support conditions is modeled.The natural vibration tests of thebeam modes and shell modes of the core barrel without thermal shield and withthermal shield in three different connection conditions are studied respectively.Thenatural frequencies and the corresponding normal modes are measured.Two pheno-mena are discovered:①CouPling vibrations between the core barrel and the thermalShield are induced by the elastic connections:②Torsions of the node lines cor-responding to some natural frequencies of the core barrel with thermal shield arerelated to the upper and bottom connection conditions.

    在模拟压水堆吊篮、热屏结构支承与联接条件的1:10钢模型上,对无热屏的吊篮结构和以三种不同联接方式安装热屏的吊篮结构分别进行梁型振动和壳型振动试验,并测得多阶固有频率和对应的振型。在装有热屏的吊篮结构试验中发现两个现象:①吊篮与热屏之间的弹性联接引起耦合振动。②吊篮与热屏间的上下联接方式使某些固有频率的振型节线发生扭曲。

    The test and popularization results of the method of putting in stalk through pulling apart core by Using the long core barrel in Sichuan hard rocks are simply presented in this article. Accordingto the stress analysis of putting in stalk through pulling apart core, the paper presents the design main points of hoop-core catcher, the selection principle and the operation requirements of putting in stalk through pulling apart core.

    本文简要介绍了拨断岩心接单根方法在四川硬地层长筒取心中的试验和推广效果。根据拨断岩心接单根的受力分析,提出了对卡箍岩心爪设计要点、选择原则和拨断岩心接单根的操作要求。

     
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