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In order to test this hypothesis, we isolated and developed stable self-renewable cell lines of mesenchymal stem cells from human fetal articular cartilage and identified the cell phenotype by FACS and we found that their phenotypic markers were identical to those of mesenchymal stem cells from bone marrow.

我们从胚胎的关节软骨中获得成纤维样细胞，在体外进行培养和扩增，并用流式分析的方法对其表面标志进行鉴定，发现其表面标志与文献报道的骨髓来源的间充质干细胞的表面标志相同。

This approach avoiding egg use is a great breakthrough not only in stem cell technology but also present theory hypothesis of reprogramming.

这种不依赖于卵细胞的多能干细胞建系方法无疑是干细胞实验技术的重大进展，也是对现有重编程理论假设的突破。

At last, by martingale large number theorem and central limit theorem, we study the hypothesis testing of parameters.

最后， 利用鞅大数定律和中心极限定理对参数作了假设检验。

The one-way ANOSIM test was used to test the null hypothesis of difference between cephalopod assemblages.

东海区头足类种类丰富[2]，长期以来一直是东海区的主要捕捞对象之一。20世纪70年代以前主要利用曼氏无针乌贼，到了20世纪90年代以

To master the ultrastructure of mitochondrion;the molecular structure elements of Oxidative Phosphorylation;electron-transport chain;the coupling mechanism of Oxidative Phosphorylation and electron transport;the main content of chemiosmotic coupling hypothesis;the structure and chemical composition of thylakoid;electron transport and photophosphorylation;the mechanism of photophosphorylation;the evidence of endosymbiotic theory.

掌握线粒体的超微结构；氧化磷酸化的分子结构基础；电子传递链；氧化磷酸化作用与电子传递的偶联机制；渗透假说的主要内容；类囊体的结构；类囊体的化学组成；电子传递和光合磷酸化；光合磷酸化的作用机制；内共生起源学说的根据。

This result partially supports the Chitty's hypothesis, but it is still not clear if the genetic variation decides the population dynamics.

这一结果部分符合Chitty的种群遗传调节学说的预测，但尚不能证明遗传变化决定种群动态。

This study aims to explore the following questions: differences of the genetic polymorphism among seasonal populations; differences of genetic diversity among four age groups and between two different gender populations; testifying the Ford and Chitty hypothesis; the relationship between the genetic diversity and geographic distance; the relationship between the genetic diversity and population density; edge effect on genetic diversity.

主要探讨以下问题：季节种群间遗传多态的差异；种群年龄组和性别间遗传多样性的差异；Ford和Chitty的假说；种群遗传多样性与空间距离的关系；种群遗传多样性与密度的关系；中心区、边缘区和半岛区种群遗传多样性的差异。

The result was not consistent with what was predicted by Chitty's polymorphic behavior hypothesis; aggressive behaviors of dyadic encounters were not correlated to body mass but to the difference of body mass negatively which means that there were more aggressive behaviors between dyadic encounters with similar body mass.

东方田鼠双冲突个体间的攻击水平与其体重的相关不显著，而与冲突个体的体重差异则呈显著的负相关，体重差异越大，冲突个体间的攻击水平越低。

This study supports the hypothesis that schizophrenia is associated with abnormal white matter integrity of the anterior cingulum.

实验2 目的本课题的初步研究首次应用磁共振弥散张量成像的方法，发现精神分裂症患者存在扣带前部的损害。

One problem with the collision hypothesis is the question of how a satellite formed in this way could have settled into the nearly circular orbit that the Moon has today.

有关碰撞假说的一个疑问是这样一个问题，即以这种方式形成的一颗卫星是如何能够进入月亮今天所拥有的那种近乎圆形的轨道？

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。