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诊断与预测     
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  diagnosis and prediction
     How to use StuckES—an expert system for diagnosis and prediction of sticking
     如何使用卡钻诊断与预测专家系统StuckES
短句来源
     Research of Diagnosis and Prediction for Turbine Thermal System Fault by Improved BP Algorithm
     改进的BP算法在汽轮机热力系统故障诊断与预测中的应用研究
短句来源
     Fault diagnosis and prediction system of locomotive bearing
     机车轴承故障诊断与预测系统
短句来源
     Research on diagnosis and prediction system of large equipment based on configuration software
     大型设备基于组态的诊断与预测系统研究
短句来源
     Research on Knowledge-based Method for Satellite Fault Diagnosis and Prediction
     基于知识的卫星故障诊断与预测方法
短句来源
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  diagnosis and forecast
     Analysis on Tunnel Hazard Diagnosis and Forecast by Seismic Wave
     浅析地震波法用于隧道病害的诊断与预测
短句来源
     This paper analyzed the characters and rule of the satellite ephemeris error. It proposes the Model of the diagnosis and Forecast for the GPS broadcasting ephemeris error.
     分析了GPS卫星星历误差的影响特征与规律,提出了广播星历误差影响诊断与预测模型。
短句来源
     trouble diagnosis and forecast of electronic-control diesel, as a auxiliary method assistant of engine trouble diagnosis and system repair, it has the characteristics of indirectnes, self-study and association. The method of out-line self-study illegibility trouble forecast supplies a convenience and effective tool of the engines maintenance and examine for engineers. This method has a very abroad diagnosis range,it can forecast diagnosis from engine to the whole vehicle.
     应用离线模糊自学习故障诊断方法实现了电控柴油机故障的诊断与预测.离线模糊自学习故障预测方法作为发动机故障诊断与系统检修的一种辅助手段,为发动机工程师进行发动机维护与检修提供一种方便、有效的工具,该方法具有间接、自学习、联想等特点,其诊断范围非常广泛,可以由发动机扩展到整车的故障预测.
短句来源
     To the problem, this paper discusses method of tunnel hazard diagnosis and forecast, analyzes main tunnel hazard and its physical property and the significance of diagnosis and forecast, and also briefly analyzes the usability of some kinds of seismic wave methods.
     为此,本文就利用地震波法进行隧道病害的诊断与预测,从隧道的主要病害、诊断预测的意义、物性基础和几种地震波法的可用性进行了简析。
短句来源
     Based on the research of development’s characteristic and tendency of future maintenance techniques , it was pointed out that the major points are equipment state inspection, failure diagnosis and forecast technology, the technology of equipment repairing ,the synthesization and information technology , prolonging life of equipment and remanufacture technology, innovative research, and on the spot maintenance technology of equipment.
     在研究未来维修技术发展特点及趋势的基础上,提出装备维修技术的发展方向和重点是装备状态监测、故障诊断与预测技术,装备修复关键技术,装备维修保障综合化信息化关键技术,装备延寿与再制造技术,装备维修技术创新性研究以及装备现场抢修技术。
短句来源
  diagnosis and predictive
     Intelligent Diagnosis and Predictive Maintenance System
     设备智能诊断与预测维修系统
短句来源
     With the industrial development toward automation and modernization, fault diagnosis and predictive maintenance technique is applied to enterprises widely.
     随着工业向自动化、现代化的发展,故障诊断与预测维修技术在现代化企业中作为设备管理的一项核心技术得到了广泛应用。
短句来源
     An Intelligent diagnosis and predictive maintenance(IDPM) system is introduced.
     全面介绍了IDPM智能诊断与预测维修系统。
短句来源
  diagnosis and forecasting
     Research on Fault Diagnosis and Forecasting Methods of Complex Process Industry System
     复杂过程工业系统故障诊断与预测方法的研究
短句来源
     The Importnant of Statistical Climatic Diagnosis and Forecasting Methods
     统计气候诊断与预测方法的重要性
短句来源

 

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      diagnosis and prediction
    Panels of autoantibodies may ultimately prove useful in preclinical diagnosis and prediction of clinical course in patients with RA and other forms of arthritis, and provide insights into the pathogenesis of the disease.
          
    It is concluded that matrix metalloproteinase-2 and-9 are better molecular markers, which are of help in the diagnosis and prediction of prognosis of prostate cancer.
          
    We examined the role of PA in diagnosis and prediction or malignancy of endocrine tumors (ETs) of pituitary gland, pancreas, thyroid, parathyroid glands, adrenal glands, paraganglia, gastroenteric tract, and lung.
          
    Reductionist approaches are useful for diagnosis and prediction (i.e., warning of potential problems), provided that they are based on appropriate statistical, biological, and societal levels of significance.
          
    Because SOX-13 antibodies were found not to be disease-specific, we assume they are not helpful in improving the diagnosis and prediction of Type I diabetes.
          
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      diagnosis and forecast
    A new approach to the control of moving flexible mechanical systems based on the methods of intelligent diagnosis and forecast was proposed.
          
      diagnosis and forecasting
    Several products have been developed as part of the ASAP initiative to aid in the diagnosis and forecasting of convection-related aviation hazards.
          
    This paper is meant to serve as a starting point for a broader discussion of the state of the art of SLD diagnosis and forecasting.
          


    Since 1976, 10 cases of normal pressure hydrocephalus(NPH)have been treated by cerebral ventricle and jugular vein shunt. As soon as the diagnosis. was established, external ventricular drainage was performed in each case for 3 to 7 days. Patients showed improvement when the drainage was unblocked and became worse if it Was clipped. After operation 6 cases recovered, 4 improved without any complications. A mean two-year follow up study showed all of them resumed their former work except two patients whose neurological...

    Since 1976, 10 cases of normal pressure hydrocephalus(NPH)have been treated by cerebral ventricle and jugular vein shunt. As soon as the diagnosis. was established, external ventricular drainage was performed in each case for 3 to 7 days. Patients showed improvement when the drainage was unblocked and became worse if it Was clipped. After operation 6 cases recovered, 4 improved without any complications. A mean two-year follow up study showed all of them resumed their former work except two patients whose neurological deficits remained as before operation. External ventricular drainage and trial dipping of the drainage tube was feasible in diagnosis and selecting of cases.

    1976年以来作者处理正常颅压脑积水10例,其中男6例,女4例,平均年龄42岁。平均病程一年左右。发生于脑膜炎后4例,脑外伤后3例,蛛网膜下腔出血后1例,不明原因者2例。主要表现为智能障 碍,步态不稳与尿失禁等。诊断主要依据临床表现及气脑、脑室造影等。所有病例均行右侧侧脑室—颈内静脉分流术。6例基本痊愈,4例好转,未出现任何并发症。所有病例均进行了随访,平均随访时间为2年左右。除1例有癫痫发作,另1例术前的偏瘫来恢复外,其余情况良好。讨论中着重指出在术前行侧脑室外引流以及试行夹闭引流管并观察病情的变化可作为诊断与预测该病征时采用分流术疗效的一种可试用而简便的方法。

    Abstract Differential equations of longitudinal vibration of rod string and boundary conditions for the prediction and diagnosis of the behavior of sucker rod pumping system in directional and horizontal wells have been established by taking into account of well tra jectory , constituents and weight of rod string. friction force between rod string and tubing,viscous force of crude oil,etc.SUBJECT TERMS:sucker rod pumping,diagnosis,prediction, design,mathematical model

    根据动力学普遍原理、考虑井眼轨道、抽油杆柱构成、抽油杆与油管的滑动磨擦力及油液的内摩擦力,采用微元矢量分析方法建立了定向水平井抽油杆柱纵向振动的微分方程,并分别给出了动态参数诊断与预测的定解条件。

    Ignoring nonlinearity is unfavourable to developing the technique of mechanical fault diagnosis.In this paper, traverse vibrations of rotor systems with nonlinear stiffness are analysed by using the method of multiple scales. It is expounded and proved that 2nd order or 3rd order superharmonic resonances of a rotor system arise when its angular velocity approaches 1/2 or 1/3 its linearized natural angular frequency. Experimental results agree with theoretically analytical conclusions. Research results of the...

    Ignoring nonlinearity is unfavourable to developing the technique of mechanical fault diagnosis.In this paper, traverse vibrations of rotor systems with nonlinear stiffness are analysed by using the method of multiple scales. It is expounded and proved that 2nd order or 3rd order superharmonic resonances of a rotor system arise when its angular velocity approaches 1/2 or 1/3 its linearized natural angular frequency. Experimental results agree with theoretically analytical conclusions. Research results of the present paper are helpful to establishing a complete diagnosis knowledge base for rotating machines.

    忽略机械系统中客观存在的非线性因素,对于提高机械故障诊断与预测技术水平是非常不利的.本文利用多尺度法分析了刚度非线性转子系统的横向振动,论证了当转频接近于线性化固有频率的1/2或1/3时,分别存在明显的二阶或三阶超谐波共振现象.实验结果验证了理论分析的结论.本文的研究结果有利于建立完备的回转机械故障诊断知识库.

     
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