论文存在问题较多的是科研设计方法和样本含量。
The problems are the methods of scientific design and sample coverage.
目的：介绍基于置信区间宽度的样本含量估计方法。
Objective: To introduce the methods for sample size estimation based on width of confidence interval.
对样本含量估计的可靠性通过具有反馈的训练可能得到提高。
Reliability could possibly be improved by using a training set with feedback.
目的探讨病例对照家系设计中样本含量的估算方法及影响因素。
Objective Discussing sample size estimation method and effect factors for case control family design.
用计算机方法对B超测量甲状腺容积的适宜样本含量进行了估算。
In this paper, the authors estimated the optimal sample size of thyroid volume measured with Bultrasound by applying the computer simulation technique.
结果预设的相对宽度可调节和控制可信区间精度并决定样本含量的大小。
Results Prespecified relative width may regulate and control the precision of confidence interval and may reflects magnitude of the sample size.
结果用实例说明了病例对照家系设计中样本含量估计方法的应用与影响因素和样本含量的关系。
Results Actual use of the method for estimating sample size and the relationship between effect factors and sample size were illustrated by a example of case control family study of liver cancer.
目的：对两种设计方法、三种检验方法的个体生物等效性的检验效能进行比较，并估计样本含量。
AIM: To compare efficacy of two designs and three test approaches in individual bioequivalence and estimate sample size.
通过研究从两种疾病患者中取回的16个样本，科学家注意到那种化合物的含量很多。
By studying 16 tissue samples from patients living with heterotopic ossification and FOP, scientists noticed a spike in the compound.
慕尼黑(德国)和伯明翰(英国)毒理学实验室发现患者血液样本中的溴化物含量非常高。
Toxicology laboratories in Munich (Germany) and Birmingham (UK) have detected very high levels of bromide in blood samples of patients.
研究的另一个缺陷在于，研究所针对的烟草品牌并没有严格按照市场份额来挑选，或者说这些挑选的烟草品牌不足以代表不同的焦油含量。相反，这些烟草品牌全是简易样本。
Another limitation is that brands for this study were not selected strictly on the basis of market share or to represent a broad range of tar yields, but rather were a convenience sample.
美国食品和药物管理局(FDA)称，在一份美国产婴儿配方奶粉样本中检测出“含量极低的”三聚氰胺。
The Food and Drug Administration said that it found one positive sample of U.S.-made infant formula containing melamine 'at very low trace levels.'
实验室里，科学家们戴着护目镜，穿着白大褂，有的在用仪器从样本中提取DNA，有的在测量样本中的激素含量。
Scientists wearing goggles and lab coats look up as we come in. Some are working on machines to extract DNA from samples, others measuring hormones in samples.
伊朗科学采集了266位年龄在20岁到40岁的女性的血液样本，并测量她们血液中的抗苗勒氏管激素的含量。
Iranian scientists took blood samples from 266 women aged 20 to 40 and measured the amount of anti-Mullerian Hormone, or AMH, in their bodies.
对安哥拉暴发的来源不明疫情的调查显示，从一些受影响患者身上提取的血浆样本中溴化物含量极高。
The investigation of an outbreak of unknown origin in Angola has revealed extremely high levels of bromide in plasma sampled from several affected patients.
在德国慕尼黑进行的毒物学检测发现，从受影响患者身上提取的6个血浆样本中有5个溴化物含量极高。
Toxicological tests carried out in Munich, Germany, detected very high levels of bromide in 5 out of 6 plasma samples taken from affected patients.
的确，1999年对杰克逊的百年头发样本测试显示两种金属含量严重超标，确实能导致严重的健康隐患。
Indeed, a 1999 evaluation of Jackson's century-old hair samples revealed significantly elevated levels of both metals, which surely contributed to his severe health decline.
研究者从蒙特利尔第商店中收集了一些主要品牌的瓶装水样本来检测细菌含量。
Researchers from the lab gathered samples of several major brands of bottled water from Montreal stores and tested the bacterial levels.
化验结果侧重于人类、环境和食物样本，以证实其中的溴化物含量。
The laboratory results provide an important focus for testing on human, environmental and food samples to confirm these bromide levels.
美国的科学家从芝加哥大学的500位男性和女性MBA学员的唾液样本中检验了睾丸酮的含量。参与研究的人员被要求玩一个电脑游戏，以评估它们对待风险的态度。
Scientists in the U.S. measured the amount of testosterone in saliva samples taken from 500 male and female MBA business students at the University of Chicago.
在其中十三个样本，银杏酸含量超出世界卫生组织所定下的标准十六倍至七百三十三倍。
The levels of the allergen ginkgolic acid in 13 of the samples were between 16 and 733 times in exceed of the WHO's specifications.
同时还对85份茶叶样本中的多酚含量进行了分析研究。
The total polyphenol content of 85 tea samples was also analysed.
乳腺癌基金会选取了六种面向儿童市场的食物，并各抽取了两个样本进行研究。研究结果发现这些食物中双酚含量范围为十亿分之二十一到十亿分之七十七点五，平均含量为十亿分之四十九。
The Breast Cancer Fund collected 2 samples of 6 different types of food marketed to children, and found levels of BPA ranging from 21 parts per billion (PPB) to 77.5 PPB, with an average of 49 PPB.
铬含量最高的样本，其实就来自电影女主人公曾经探测过的加州辛克里一个高污染地区。
"The highest sample of our study was actually within the range that Ms. Brockovich detected in Hinkley, California in a highly polluted area, " added Naidenko.
本文主要论述块状矿石显微镜下矿物含量点测法的估计定律，以及此定律的简要证明、测量统计中最低限度样本容量的确定及误差范围。
In this paper, estimating law for mineral content, simple proof of the law and determining lowest sample size and error range in measure and statistics are discussed.
随着QTL遗传力、样本容量和标记信息含量的增大，QTL位置以及效应估计值的准确度和精确度逐步提高。
The accuracy and precision of estimates of QTL position and effects will be enhanced as the increasing of QTL heritability, sample size and polymorphism information content of molecular marker.
沥青混合料沥青含量抽样检测的样本检测值服从正态分布。
The inspecting value of sample for asphalt content sampling of asphalt mix is normal distribution.
在三个样本的网站，一个直径5厘米的核心是泥沙与聚氯乙烯缸，以确定养分含量。
At three sample sites, a 5 cm diameter sediment core was taken with a PVC cylinder to determine nutrient content.
在三个样本的网站，一个直径5厘米的核心是泥沙与聚氯乙烯缸，以确定养分含量。
At three sample sites, a 5 cm diameter sediment core was taken with a PVC cylinder to determine nutrient content.
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