大学英语词汇短语释义解析及例句 contrast agent
释义：
contrast agent 对比剂; 造影剂：一种用于放射学检查（如X线、CT扫描、MRI等）的化学物质，可以增强图像对比度，帮助医生更清晰地观察身体内部结构。
例句：
The contrast agent was administrated through the ear venous with high-pressure syringe.
使用高压注射器由耳缘静脉注入对比剂。
The MR pulmonary perfusion imaging was achieved by the first-pass contrast agent method.
利用对比剂首次通过法可进行MR肺灌注成像。
Methods: To observe CT study of 868 patients who had been given nonionic contrast agent.
方法：通过对868例使用非离子造影剂患者的观察，分析其出现不良反应的概率和程度。
Objective It is to explore the diagnosis value of acoustic contrast agent for parotid tumor.
目的探讨超声造影剂诊断腮腺肿块的价值。
The magnetic particles not only act as an aide for transport, they are also a contrast agent for MRI.
这些磁性颗粒不仅作为转运的工具，而且是用于MRI的对比剂。
Conclusion: Ferrous gluconate solution could be used as oral contrast agent of the upper abdomen in MRI.
结论：葡萄糖酸亚铁溶液可以作为MRI的口服胃肠道造影剂。
The effects of ultrasound contrast agent in diagnosis and treatment of diseases have made gradual improvement.
超声微泡造影剂在疾病诊断与治疗中的作用日渐明显。
Combination of ultrasound contrast agent with ultrasound technology makes it possible to target local release of drugs.
超声造影剂结合超声技术可实现药物局部靶向释药。
Contrast agent helps physicians see the things we need to see, but it also does pose a hazard to some people, says Kelly.
对比剂有助于医生看到的东西，我们需要看到，但它也没有构成危险，有些人说：凯利。
Conclusion Iodic contrast agent (Optiray) significantly improves the color Doppler flow imaging of the tumor vascularity.
结论碘佛醇对于肿瘤血管的彩色多普勒成像有较显著的增强作用。
Cardiac perforation with intramural deposition of contrast agent is a severe com-plication of selective angiocardiography.
心脏穿孔和壁间造影剂沉积是选择性心血管造影严重并发症之一。
Objective: To study THD possibility using organic silane attached magnetic iron oxide as an oral contrast agent for MR imaging.
目的：初步探讨有机硅烷化的磁性氧化铁颗粒作为口服磁共振造影剂进行腹部磁共振成像的可能性。
Conclusions Thrombus-targeted ultrasound contrast agent can enhance ultrasound imaging of acute thrombus in canine femoral vein.
结论血栓靶向超声造影剂可使犬急性血栓回声明显增强。
Objective To investigate the enhancement of color Doppler signals in lower limb arteries by intravenous ultrasound contrast agent.
目的探讨经静脉声学造影剂对下肢动脉彩色血流信号的增强作用。
Present study shows that ultrasound contrast agent which may be effective carrier of drug and gene have great potential in treatment.
目前的研究表明，超声微泡造影剂在治疗中也显示出巨大潜力，可作为一种有效的基因或药物运载工具。
Objective: To assess the value of sonographic of contrast agent appearing in hepatic vein in diagnosing the stages of liver cirrhosis.
目的：探讨分析声学造影剂肝静脉显影时间诊断不同时期肝硬化的价值。
AIM: To study the value of oral ferric ammonium citrate (FAC) solution as a negative gastrointestinal contrast agent in MR urography (MRU).
目的：研究枸橼酸铁铵作为胃肠道阴性对比剂对改善磁共振尿路成像(MRU)质量的价值。
Objective To explore the value of ultrasound contrast agent and cadence contrast pulse sequencing technology (CPS) in renal occupied lesions.
目的探讨超声造影剂及对比脉冲序列成像技术在肾占位性病变中的应用价值。
