18f

Production Development of LDPE High Magnification Hair Appropriation Resin 18F

LDPE高倍率发泡专用树脂18F产品开发

[ 18F ] FDG is the most widely used imaging agent in oncology .

[18F]FDG是目前应用最广泛的肿瘤显像剂。

Significance of 18F FDG PET in assessing pancreatic occupying lesions and in following up postoperative pancreatic cancer

~（18）F-FDGPET显像在判断胰腺占位性质和术后随访的价值

The Valuation of 18F - FDG / DHC in Chest Tumor Radiotherapy

胸部肿瘤放疗前后18F-FDG/DHC检查的价值

Conclusion : 18F - FDG SPECT / PET has high clinical value in the diagnosis of recurrent or metastatic tumor of digestive system .

结论：18F-FDGSPECT/PET显像在消化系统肿瘤术后复发转移的诊断中具有较高的临床应用价值。

Methods 15 patinets with lung cancer and 9 patients with benign pulmonary disease underwent 18F - FDG coincidence imaging using dual head SPECT .

方法15例肺癌及9例肺部良性病变患者进行了~（18）F-FDG双探头符合电路显像。

Purpose : To investigate the clinical value of 18F - FDG SPECT with coincidence in the diagnosis of recurrent or metastatic tumor of digestive system .

目的：探讨18F-FDG符合线路SPECT在消化系统肿瘤术后复发转移中的临床应用价值。

There is complementation among 18F - FDG SPECT with coincidence combined with UB , CT and MRI in some cases .

18F-FDG符合线路SPECT和B超、CT、MRI联合应用在某些病例的诊断中具有互补性。

Liver kinetic studies of [ 18F ] 2-fluoro-2-deoxy-D-glucose ( FDG ) metabolism are important tools for functional information modeling and hepatic glucose metabolic rate estimates .

利用房室模型进行肝脏[18F]氟代脱氧葡萄糖（[18F]2-fluoro-2-deoxy-D-glucose，FDG）代谢的动力学研究是进行人体功能信息的建模和研究肝脏葡萄糖代谢率的重要手段。

Conclusion 18F - FDG myocardial metabolic imaging is of important value in evaluation live myocardium after myocardial infarction and the diagnosis , treatment and prognosis of dilated cardiomyopathy .

结论18F-FDG心肌代谢显像检测对判断心肌梗死后存活心肌及扩张型心肌病诊断、治疗和预后判断有重要参考价值。

Objective To evaluate the accuracy of [ 18F ] fluorodeoxyglucose ( FDG ) triple-head coincidence imaging in the setting of suspected lung cancer .

目的评价三探头脱氧葡萄糖符合线路断层显像（FDGTHTC）诊断肺癌的准确性。

Objective To simulate the metabolic distribution process of 18F 2-fluoro-2-deoxy-D-glucose ( FDG ) in human body and to visualize this distribution process through 3D images with high resolution and high quality .

目的对18F氟代脱氧葡萄糖（18F2-fluoro-2-deoxy-D-glucose，FDG）在体内的代谢分布过程进行比较完整的全身模拟，并将这一模拟结果用高分辨率的三维可视化方法直观显示出来。

CONCLUSION : Compared with TTC staining , 18F FDG can reflect the periphery infarct myocardial viability , which is overestimate , especially in the reperfusion group .

结论：与TTC染色相对照，18F-FDG可反映梗死灶周围心肌细胞存活性，但对病变心肌存活能力的估计过高，尤其表现在再灌注组。

The design air temperature differential between off coil conditions and room ambient temperature should be approximately10C . ( 18F . ), depending on ceiling height and types of diffusers .

设计时注意，关掉风机盘管后的温度与室内的温度的温差应约为10度（华氏），同时应根据天花高度和出风口的类型来决定。

[ 18F ] SFB seems to be the most suitable 18F-labeling agent because of its higher labeling yield and better stability of the conjugates in vivo .

由于[18F]SFB能和生物分子结合达到较高的标记率以及具有较好的体内稳定性，成为一种最适宜的氟-18标记试剂。

Compared with people who occasionally play games , this change is more prominent among the frequently game play group . Conclusion : [ 18F ] FDG PET imaging provides an effective method to attention function research .

与偶尔玩游戏组比较，这种变化在经常玩游戏组更为突出。结论：[18F]FDGPET显像为注意功能的研究提供了有效的技术手段。

METHODS 18F-FDG was synthesized via nuclear reaction 18O ( p , n ) 18F on 18O-enriched water and nucleophilic substitution reaction by Tracerlab Mx FDG synthesis system .

方法应用小型回旋加速器，通过18O（p，n）18F核反应生产出18F离子，由亲核取代反应制备18F-FDG，并对所制备的18F-FDG注射液进行质量控制。

With the rapid development of PET imaging technique , the application of radiopharmaceuticals labeled with 18F in nuclear medicine becomes more and more widely and the hypoxic agents become the hot spots in recent radiopharmaceutical research .

随着PET显像技术的迅速发展，18F标记的放射性药物在临床上的应用越来越广泛。

The delay time of network is lower than 1 second , and the rate achieve 18F / s under QCIF . So , the system can be used widely in video remote monitor environment , video conference and so on .

本系统通过长时间的运行测试，在CIF格式下，网络延迟小于1秒，传输速率18帧/秒，可以广泛的应用于视频远程监控、视频会议等场合。

In 45 cases referred to 18F FDG PET scan , percentage of motion improvement was 87.5 % , 55.6 % and 28.6 % in the segment of metabolism perfusion mismatch , partial and match groups respectively .

45例PET18FFDG代谢显像术前后比较，在代谢灌注不匹配、部分匹配和匹配三组，节段室壁运动改善率分别为87.5%、55.6%和28.6%。全组无手术和住院死亡病例发生。

Results : All primary lesions could be accurate diagnosis by CT and F - FDG / DHC . The number of lymph node metastases were detected by CT or 18F - FDG / DHC was 90 and 125 respectively .

结果：原发灶明确的49例患者CT及18F-FDG/DHC都可以明确诊断，发现淋巴结转移数CT为90个，而18F-FDG/DHC为125个。

Methods : 84 cases of malignant tumor patients in chest were irradiated , CT scan and 18F - FDG / DHC were accomplished before radiation . Analyzed the imaging by radiodiagnosis physician or nuclear medicine physician respectively , and radiotherapeutic physician established the radiation plan .

方法：搜集经病理证实的胸部恶性肿瘤并行放射治疗患者84例，在放疗前行CT和18F-FDG/DHC检查，由放射诊断医师、核医学医师分别分析两种影像诊断，放疗医师制定照射计划。

Methods No-carrier-added ~ 18F was produced by a mini cyclotron and used as the radiolabeling reagent . 6 - ~ 18F-DOPA was successfully prepared after four reactions ( nucleophilic substitution , reductive iodination , chiral phase-transfer catalysis and hydrolysis ) .

方法使用小型回旋加速器生产18F离子，经亲核取代、手性相转移催化烷基化等4步反应，合成得到无载体的618FDOPA。