Objective: Use heart rate variability index (HRVI) to provide prognostic value in patients with acute myocardial infarction (AMI).
目的：使用心率变异指数(HRVI)对急性心肌梗死(ami)患者的预后进行判断。
CFAR target detection method is proposed for nonhomogeneous environment in UWBSAR image with variability index and order-statistics CFAR detection.
针对UWBSAR图像中的非均匀背景目标检测问题，提出了一种CFAR检测方法。
Objective: To assess the instructional value of heart rate variability index (HRVI) used for acute myocardial infarction (AMI) patients under the early rehabilitation exercise.
目的：评价心率变异指数对急性心肌梗死(ami)患者进行早期康复锻炼的指导意义。
The use of fuzzy comprehensive evaluation method and the variability index analysis principle, the Changqing low eability gas reservoir rocks to assess the reliability of geological reserves.
运用模糊综合评价方法和变异指标分析原理，对长庆低渗透岩性气藏储量的地质可靠性作出评价。
It is difficult to define the value of comprehensive variability coefficient of resisting force and acting force in reliability index inspection.
抗力和作用力的综合变异系数的取值是规范套改中可靠度指标检验中的难题。
Of the 32 patient with continual atrial fibrillation, the index of heart rate variability(SDNN; SDANN; RMSSD and HRV triangular index)were analysed on the basis of Holter monitor.
方法在动态心电图的基础上测量分析32例持续性心房颤动患者的心率变异性指标（SDNN；SDANN；RMSSD和HRV三角指数）的改变。
The result showed that the homogeneous degree of the soil nutrient was increased, the variability of spectral index and the yield were reduced in the management zone divided by soil data.
结果表明，利用土壤养分和光谱数据划分的管理分区内，各土壤养分的均一度得到了提高，光谱指数和产量的变异系数普遍降低。
Instability index: An index which measures the variability of world prices for selected agricultural commodities.
不稳定指数：一种用于衡量部分农产品的国际价格变动的指数。
Objective: to explore the change of activities of the cardiac autonomic nervous system in the EMG biofeedback with the quantified index of heart rate variability (HRV).
目的：应用心率变异性的频域指标探讨肌电生物反馈中的心脏自主神经系统功能活动的量化改变。
Soil water variation structure in normal farmland and in reclaimed land by filling gangue and flyash was studied by taking the soil water capacity and variability as a synthetical index.
以土壤含水量作为反映土壤特性的综合性指标，研究了充填煤矸石复垦地、充填粉煤灰复垦地和未塌陷区对照地的含水量变异的结构性。
Heart rate variability (HRV), an index for autonomic nervous system, may be useful to detect disease progression.
心率变异性(HRV)，作为自主神经系统的指标，可能对于监测疾病进展有作用。
If the relative variability of cumulative vegetation index and cumulative precipitation during the winter wheat growth cycle is adopted, the correlation coefficient between both is raised.
如果取冬麦生育期的累积植被指数和累积降水量的相对变率则其间的相关系数将提高。
Vascular endothelial function was evaluated by arterial augmentation index (AAI), and autonomic modulation was evaluated by heart rate variability (HRV) and blood pressure variability (BPV).
采用动脉增加指数（AAI）评价血管内皮功能，心率变异（HRV）及血压变异（BPV）评价自主神经调制。
In this paper, the index of polar vortex position is introduced. This index can preferably describe the variability of mid-high latitude circulation anomaly.
本文给出的极涡位置指数能较好地描述中高纬度环流异常的变率。
Most anticancer drugs are characterized by a narrow therapeutic index, wide inter patient variability of pharmacokinetic parameters and high toxicity.
许多抗肿瘤药具有治疗指数低的特征，其药代动力学在病人个体间存在较大的差异，而且具有较高毒性。
Most anticancer drugs are characterized by a narrow therapeutic index, wide inter patient variability of pharmacokinetic parameters and high toxicity.
许多抗肿瘤药具有治疗指数低的特征，其药代动力学在病人个体间存在较大的差异，而且具有较高毒性。
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