lab series

Contrast Agents for Magnetic Resonance Imaging : Basic Principle and Practice , NMR Lab Lecture Series , June 22 , 2006 .

核磁共振成像造影剂：基本原理和应用，实验室内系列讲座。

By the field investigation and lab testing , a series of new viewpoints of the occurrence characteristics and prospecting direction of karst placer An deposit ( spot ) in southeast Yunnan are put forward .

通过野外调研和室内测试，对滇东南地区岩溶型砂金矿床（点）的产出特征及找矿方向获得新认识。

Effect of power supply frequency to the welding transformer in the main circuit has been analyzed , and , through lab testing , appropriate series capacitance has been selected , which effectively reduce power voltage and no-load current of the transformer .

并针对斩波电路中工频分量对焊接变压器正常工作的影响进行了分析，通过试验选取合适的串联电容，有效的降低了变压器两端的工频电压及空载电流。

By adopting the optimized design technique and PI strategy system , and through lab study , a series of high strength , micro fracture and big pore plugging agents are developed , and the associated plugging techniques for oil and water wells are formed .

应用优化设计技术和PI决策专家系统，通过室内研究，开发出系列高强度微裂缝和大孔道堵剂，并形成油水井配套封堵工艺技术。