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- It is a correct formula but needs to be given more content. 这个公式是对的,但有加以充实的必要。
- Methods Vertex plus double detector SPECT and 153 Gd nonuniform attenuation correction system made by ADAC were used. 方法应用ADACVertexPlus双探头SPECT仪及153 Gd非均匀衰减校正系统。
- Fixed: used more correct formula to calculation glancing blow chance. 使用了一些正确的公式来计算致命打击的几率。
- An attenuation correction method for axial symmetric r econstruction in laser-produced plasma was proposed.For this method, an algori thm was put forward. 此文提出一种激光等离子体吸收和发射系数的关系的处理方法,且用于激光等离子体轴对称重建的吸收校正,由此提出一种算法进行轴对称重建。
- The results showed that the measured volume without attenuation correction was higher than the real volume of phantoms in the reconstruction of SPECT images. 结果表明,在SPECT图像重建过程中,不进行衰减校正测得的容积明显高于模型实际容积,测得的容积随校正系数的增大而减小。
- Tomography with coincidence circuit is composed of variable-angle dual and/or triple-head SPECT system, coincidence detection circuit and attenuation correction (AC). 摘要符合线路断层显像主要由可变角双探头SPECT系统、符合探测线路和衰减校正等组成。
- "Both SPECT and attenuation correction were found to contribute to better identification of hot nodes by SPECT/CT than by planar imaging," the authors wrote. “比起平面显像来,应用SPECT/CT时SPECT和衰减校正都被发现对热结节的识别更为有利,”作者这样写到。
- The data in nonlinear area are curve fitted first and then a simple correction formula is educed. 该算法对非线性区域的数据进行曲线拟和,在此基础上导出了一个简单的修正公式。
- Based on characteristics of air-borne gamma-ra3 spectrometer survey, the authors induced the 2D terrain correction formula, and accomplished the forward calculation. 针对航空伽马能谱测量特点,推导了基于二维地形影响系数的航空伽马能谱测量地形逐点改正的理论公式。
- Methods From September 2002 to March 2003, 147 consecutive clinical patients imaged by~(18)F-FDG PET/CT whole-body scan (GE Discovery LS, CT attenuation correction, OSEM reconstruction) were retrospectively reviewed. 方法 回顾分析 14 7例PET/CT全身检查结果及临床资料。
- At last contrasting the datum among the correction values,the stylebook values and the new account values it shows for the advantages of the correction formula. 最后将修正公式的计算数据与某企业样本值及新计算值相对比说明了修正公式的优越性。
- Many factors work on the target volume calculation, such as PET image acquisition mode, scatter correction, attenuation correction, reconstruction method, image display mode, positron pharmacy. 目前常采用的靶体积的计算方法有本底闯值法,最大值结合阈值法,本底与最大值结合阈值法等。
- This paper introduces a formula group and a correction formula to calculate the hu-midity accurately. Using the correction formula in combination with the standard humidity diagram,an accurate absolute humidity can be gained in a quick and simple way. 本文介绍了准确计算空气湿度的公式组和一个修正公式;此修正公式附加于标准湿度图读数可以快速简便地得到准确的空气绝对湿度值.
- Methods 75 essential hypertensive patients were selected. The blood pressures were measured with ambulatory blood pressure monitoring and the left ventricular mass index(LVMI) was measured with echocardiography according to Devereux correction formula. 方法 对 75例高血压患者动态监测 2 4小时血压并自动计算心率血压乘积 ,超声心动图测定室间隔、左室后壁厚度及左室舒张末内径 ,并按Devereux校正公式计算左室质量、左室质量指数 (LVMI) ,分析各参数间的关系。
- attenuation correction of radar reflectivity 衰减订正
- atmospheric attenuation correction 大气衰减订正
- Considering the effect of the air resistance, rebuild the movement equation, and educe the correctional formula with adjustment term; the measuring result turns up trumps. 在考虑空气粘滞阻力的作用后,重新建立运行方程,推导出带有修正项的公式,得到令人满意的结果。
- Compared with the results from photoelastic coating method, the correcting formula of mismatch of Poisson's ratio in curve boundary of this laminate was developed. 并 与光弹贴片法测试结果进行比较,从而对曲边界对泊松比系数不匹配 效应的影响进行了讨论。
- Attenuation correction of X-band weather radar echo intension X波段气象雷达回波强度的衰减订正
- Correction formula for percentage mortality 死亡率校正公式