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In this paper wavelet transform and test of hypothesis are combined to detect activated areas in PET images.

提出一种把小波变换和统计检验结合起来检测PET图像激活区的方法。

Like Thallium SPECT, the PET scan has been very useful in differentiating tumor recurrence and radiation necrosis.

同铊标记SPECT一样，PET扫描对于区分肿瘤复发和放射性坏死十分有效。

About recently 20 years, following advanced technology, such as CT, MRI, PET and SPECT, and intravenous rt-PA application in 3 hours after onset, people awfully gain developmental progress in its pathophysiologic stage understanding and its prevention and therapeusis early.

随着CT、MRI、PET、SPECT等影像医学的发展和rt-PA的问世，人类对急性缺血性中风的病理生理学认识及早期诊断与治疗上取得了突破性进展。

The ratio of rabbit anti-fusion protein IgG, the recombinant constructions of tree shrew ABCA1-pET 43.1 and human ABCA1-pET43.1, was 1: 16000 and 1: 32000 respectively.

以pET 43.1为载体，分别表达了树鼩和人ABCA1 C末端的融合蛋白，兔抗血清效价分别为1： 16000和

SAXS. The probable mode of crystalline slip of PET triclinic crystal system was discussed.

分析了PET三斜晶体结构形变特征。

The result obtained form wide angle X-ray diffraction proves that the crystallite structure in the blend is still triclinic as the same as PET, and the cell index has no change.

用高斯和柯西混合函数对WAXD结果进行分峰处理后证实：共混物中晶体结构与PET相同，仍为三斜晶系，晶胞参数未改变。

A key question considered by the RECIST Working Group in developing RECIST 1.1 was whether it was appropriate to move from anatomic unidimensional assessment of tumour burden to either volumetric anatomical assessment or to functional assessment with PET or MRI.

RECIST 工作组在制定 RECIST1.1过程中考虑的一个主要问题是：从对荷瘤的解剖结构上的一维分析转换到解剖结构体积分析或用 PET/ MRI 进行功能评价是否合适。

"The main effect of PET was to upstage patients (12% in the conventional workup group compared with 27% in the combined group)," the authors write."Obviating surgery in such patients improves patients' management."

作者写道：「PET检查的主要作用是针对手术前的患者的(12％的常规手术前检查组与27％联合检查小组的结果相比)，在这样的患者中进行预防性手术可以改善患者的治疗情况。

B PET bottle crushing, washing and pre-drying line.

二、PET瓶片破碎清洗、预干燥生产线。

PET bottle cleaning tablets are our company on its own line research, design, manufacture tablet bottle washing equipment, which could have been used by the type of materials are polyester bottle crushing, washing, dehydration, drying and directly used in the production.

PET瓶片清洗流水线是我们公司自行研究、设计、制造的瓶片清洗设备，该设备能将已使用过的聚脂瓶类物料经粉碎、清洗、脱水、烘干后直接用于生产。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。