Technology and Application of Leading Control Coal Petrography by Long Drill Pipe

1、

Automation improvement to heat treatment system for welded drill pipe

对焊钻杆热处理系统自动化改造

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2、

Application of Friction Butt-welding Process for Oil Drill Pipe

石油钻杆摩擦对焊工艺的应用

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3、

Traditionally, the oil drilling mainly use steel drill pipe.

传统上，石油钻井主要使用钢制钻杆。

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4、

Design of Material Tracking and Control System for Petroleum Drill Pipe Finishing Line

石油钻杆精整线物流跟踪控制系统设计

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5、

Corrosion of sea water mud on drill pipe and its control

埕岛油田海水钻井液对钻具的腐蚀及防护从伊甸园到大海&解读艾米莉·迪金森夜夜暴风雨，夜夜暴风雨

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6、

Probe on the Failure Analysis and the Design Optimization of Drill Pipe Structure

失效分析对钻杆结构设计优化的促进

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7、

Application of Model Test in Analyzing Drill Pipe

模型试验在钻杆柱研究中的应用

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8、

Study on dynamic simulation research of single drill pipe based on finite element method

基于有限元法的单根钻杆动力学仿真模拟分析

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9、

The effect of C reaction protein, left atrial dimension and left ventricular ejection fraction on atrial fibrillation

C反应蛋白、左房内径及射血分数对心房颤动的影响

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10、

Indeed, patients with preserved ejection fraction were just as likely to develop worsening renal function.

的确，那些射血分数正常的患者很有可能引起肾功能的恶化。

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11、

Clinical Value of Evaluation of Left Ventricular Systolic Function Using Three-dimensional Reconstruction: A Measurement of Left Ventricular Ejection Fraction

三维重建法测射血分数评价左心室收缩功能的临床价值

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12、

A survey of ejection fraction, malnutrition status and resting energy expenditure in maintenance hemodialysis patients

肾衰血透患者射血分数、营养状况与静息能量代谢

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13、

Three-dimensional Echocardiographic Determination of Left Ventricular Regional Ejection Fraction for Diagnosis of Ventricular Aneurism

三维超声心动图定量左室局部射血分数对诊断室壁瘤的价值：与左室X-线造影的对照研究

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14、

A new method for measuring stroke volume and ejection fraction in the infarct and non-infarct area

测量梗死区和非梗死区心搏量和射血分数的新方法

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15、

The research of correlation of Interleukin-18 with angina pectoris patients' Left ventricular ejection fraction

白细胞介素18与心绞痛患者左室射血分数的相关性研究

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16、

The Right Ventricle Ejection Fraction Measuring and Normal Value Range Determined by 2-D Transthoracic Echocardiography

体表2-D超声心动图测量右室射血分数及其正常值初探

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17、

Application of Off-Pump Coronary Artery Bypass Grafting in the Elderly Patients with Low Ejection Fraction

老年低射血分数冠心病患者非体外循环冠状动脉搭桥术的应用

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18、

Prognostic value of LDL-C on left ventricular ejection fraction in patients with acute myocardial infarction

LDL-C对首次急性心肌梗死后左室收缩功能的预测价值

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19、

Both agents reduced systemic and pulmonary vascular resistance, and improved left ventricular ejection fraction.

两药均降低血管阻力和增加左心室射血分数。

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20、

Left Ventricular Ejection Fraction in Sudden Cardiac Death

左心室射血分数在心脏性猝死危险分层中的价值

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