研究人员对比了非洲象和亚洲象,以及来自猛犸象和美洲乳齿象的细胞核dna序列。
The researchers compared sequences of DNA from the nuclei of African and Asian elephants, and from woolly mammoths and the American mastodon.
通过对比找出人类基因中相同序列,就可以推测和相应的生物模型中的基因有类似的功能。
Computer comparison then shows which human genes correspond in DNA sequence and thus, presumably, in function, to the genes in these "model" organisms.
通过与公开的1500种细菌的参照序列进行对比,他们排除了人类DNA,并尽可能多地鉴定出其中的细菌种类。
By comparing the DNA sequences with publicly available reference sequences for 1500 bacterial and other species, they excluded all human DNA and identified as many bacteria as they could.
例如,按照特定的序列(如根据日期)考虑对比赛排序,同时,这自然不能对选手排序。
For example, matches are considered to fall in a particular order (by date), while players are not inherently ordered.
研究设计:与回顾性收集数据对比的前瞻性临床序列。
Study Design. Prospective clinical series with comparison to retrospectively collected data.
这种环境将允许您处理业务对象(创建、操作、复制、对比、序列化等)。
This environment allows you to work with business objects (create, manipulate, copy, compare, serialize, and so on).
最令人惊奇的是,通过genewise软件对蛋白质的基因序列分析和对比,低等动物海葵的基因组成与脊椎动物的非常相似,而与昆虫和蠕虫的大相径庭。
The most surprising of these is that, genewise, the humble sea anemone looks a lot like a vertebrate, and not much like an insect or a worm.
对比全部的表达序列间的多态性,亚种间的出现频率要高于亚种内的。
The overall number of polymorphisms in the expressed sequences was found to be higher in the inter-subspecific comparisons than in the intra-subspecific comparisons.
基于实验对比结果,选定一种能够保证ALM算法稳定性的连接序列,实现低错误率alm树的建立。
Based on the experimental results, it chooses one sequence which ensures the stability of ALM algorithm to low error rate of ALM tree construction.
结论:FAC对比效果随浓度和脉冲序列的改变而改变。
Conclusion: The contrast pattern of FAC in different concentrations will change in accordance with different MR fast sequences.
作为该项目主体思想的重要因素,钢铁的结构化因素和木质天花板装饰着主要的空间序列,它还可以形成一种对比鲜明的视觉元素。
As an emphasizing factor of the project's main idea, a steel structured element with wood ceiling accompanies the main spatial sequence with a contrasting visual element.
园林中的参差布局,虚实对比,组成园中有园,变化的空间序列成为旋律上的起伏收敛。
Chinese Gardens have irregular layout, density and spacing, far and near, with garden in garden. Variational space sequences become gurgitation and constringency of the rhythm.
对运动人手序列图像的对比跟踪实验表明,这种融合使得可见光图像中动态轮廓线平均跟踪误差减小了60.25%。
A contrasting experiment on moving hand image sequence indicates average tracking error of dynamic contour has decreased by 60.25% in visible image with this image fusion.
试验结果也证明,在求解函数拟合和时间序列预测等实际问题时,对比同类算法,UGEP算法体现出了较大的优越性。
The simulation results from function fitting and time series prediction indicate that UGEP performs better than other similar algorithms in each of experimental.
实时图像序列空中微小目标的检测和跟踪,采用基于对比度跟踪算法。
The tracking and detection of tiny aerial target in real-time image sequence are based on contrast tracking algorithm.
对比增强和多方位多序列成像可以提供更多定位定性的诊断依据。
Contrast enhancement, multiple positions and multiple sequences would provide more evidences for the diagnosis.
作者首次比较完整地介绍了赤峰盆地早白垩世岩石地层层序及孢粉化石组合序列,并对各地层单元的区域对比关系和地质时代归属进行了简要讨论。
Comparatively it is the first time that the stratigraphic sequence in Chifeng Basin is introduced completely in this paper, and the spore-pollen assemblages have been set up.
材料与方法:对40例脑部受检查者分别使用FLAIR序列及常规自旋回波(SE)序列进行对比分析。
Materials and Methods:40 patients were studied using FLAIR sequence and conventional spin echo(SE). The mode of presentation of the lesions were compared.
为了解决低对比度红外序列图像中运动小目标的检测问题,提出了一种基于多级滤波的检测方法。
In order to solve the problem of detecting moving small targets in low-contrast infrared image sequences, a new detection method based on multilevel filter is proposed.
结合实验对齿轮箱信号进行时间序列分析,对比各种工况下的模型曲线,识别齿轮箱的运行故障。
Through experiment this paper analyses the signals of the gear box, then comparing with the model curve of the different conditions in order to distinguish the operating trouble of the gear box.
对比研究了时间序列、空间序列、分形的分析体系,提出了在连续性基础上包容随机性的时空序列分析方法。
The time-space series analysis method containing randomicity on the base of continuity is formed after the analysis systems of time series, space series and fractals are compared.
目的:对比目前热点植物DNA条形码候选序列,试图筛选出植物界的通用条形码序列。
Objective:To find a universal DNA barcode sequence for plant species comparing with the candidate plant barcode sequences.
采用分段线性变换对白天亮背景下低对比度图像序列进行对比度增强,最关键的是分段点的选取。
Selection of the subsection point is the key to enhance low contrast image under light background by subsection linear transformation.
目的探讨超声造影剂及对比脉冲序列成像技术在肾占位性病变中的应用价值。
Objective To explore the value of ultrasound contrast agent and cadence contrast pulse sequencing technology (CPS) in renal occupied lesions.
对红外序列图像的对比度线性增强算法进行了研究,提出了一种基于多级均值思想的图像线性增强方法。
A technique of the contrast linear enhancing algorithm of Infrared Image sequences is discussed and studied. An algorithm of image linear enhancing based on the multi-level averages is proposed.
说明硬件测试中伪随机码序列特点和生成原理,并对比较时如何使数据对应做出讨论。
The comparing program in VB, how to produce a pseudorandom bit stream, and how to make the compared synchronous data correspondingly is described.
选取不同交通状态的视频训练序列,将本文方法同中值法、一致性检测法进行了对比实验。
By experiments, the proposed method was compared with the median method and the sample consensus method under different traffic conditions.
选取不同交通状态的视频训练序列,将本文方法同中值法、一致性检测法进行了对比实验。
By experiments, the proposed method was compared with the median method and the sample consensus method under different traffic conditions.
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