查询词典 F test

The data parameters were analysed by both the cosine function software and the amplitude F test to reveal the circadian rhythm.

用余弦函数获取节律参数，并经振幅检验分析是否存在昼夜节律。

Quickly add the Test Preparation, mix, and again titrate with the Reagent to the electrometric or visual endpoint.

其中S是第二次滴定所消耗的卡尔试剂体积，单位ml；F是卡氏试剂与水的等价因子。

Based on questionnaires and regular physical examination, 130 people who exposed to the risk of IGR got their medical examination and Oral Glucose Tolerance Test with everyone's consent. 90 IGR subjects were divided randomly into the experimental group (70 people) and the control group (20 people). The individual Functional Capacity was got through limiting symptoms exercise test on the cycle ergometer.

在自愿报名的基础上，通过调查问卷和常规体检找出具有IGR风险者130人，经医学检查和口服糖耐量试验，确定其中90位为研究对象，随机分为实验组(70人)和对照组(20人)，通过功率自行车进行症状限制性运动负荷试验，计算出每位研究对象心脏功能能力F.C。

The early failure is judged and the validation test is assumed to obey the exponential distribution.

介绍了在正常应力下对家用微波炉的寿命试验及运用 F-检验判定异常小寿命数据的方法，以判定早期失效，对试验数据作指数分布假设下的有效性检验，估计样品的平均寿命，提出可靠性改进措

The results were scanned and semi-quantified, and then analysed by F test and t test.

每批结果均用方差分析和 t 检验进行统计处理。

Data were analyzed by statistical methods including correlation,F test ,etc.

用相关、方差等统计方法分析。

Were introduced. By analyzing their features and limitations, the new application of graphic theory method to information modeling o f test and diagnosis of equipment was researched.

在分析它们特点和局限性的基础上，对图论方法在装备测试与诊断信息建模领域的新应用进行了探究。

Statistical evaluation of the data was performed by F test.

实验结果表明：在三种不同温度下，函数式中的常数X1间比较有显著性差异，P＜0.01；常数X2间比较无显著性差异，P＞0.05。

Circadian parameters were analysed by the cosine method, and by the F test to judge the statistics significance.

用余弦分析获取节律参数，并经振幅检验，分析是否存在昼夜节律。

METHODS:The micronucleus test of Vicia faba root tip cell was used to detect the water quality,and to survey the chemical oxygen demand.The micronuclear rates and Pollution Index were determined and the F-test was used to evaluate the difference in micronuclear rates among different samples.

材料与方法：用蚕豆根尖细胞微核技术对各采样点水样进行监测，并对各水样进行化学需氧量(chemical oxygen demand，CODcr)的测定，统计分析各采样点水样的蚕豆根尖细胞微核千分率及污染指数。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。