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Another limitation of umbilical cord blood is the relatively small number of stem cells contained within a single sample.

脐带血的另一限制,是单一样本中所含的干细胞相对不多。

Objective:To study the diagnostic value and clinical significance of B-ultrasound examination in diagnosis of circular of umbilical cord.

目的:讨论 B超检查对胎儿脐带绕颈的诊断价值及临床意义。

OBJECTIVE: To isolate MSCs from human umbilical cord blood, and to detect their biological properties.

目的:拟从人脐带血中分离培养间充质干细胞,并对其生物学特性进行检测。

That is why, after birth, placental and umbilical cord blood can be used as a source of stem cells for transplantation.

这也就是我们出生后,胎盘和脐带血能够用作造血干细胞移植的来源的原因。

I am now 24 weeks, and I am very worried about whether the baby will be the umbilical cord wrapped around neck.

我现在已经24周了,我很担心宝宝是否会出现脐带缠颈。

Elispeth leaned down to show her the child, wrapped in blankets, still attached by the bloody umbilicus.

Elispeth 俯下身让她看看这个孩子,孩子包在毯子里,仍然留着带血的脐带

Chromosome breaks and gaps in chorionic villus cells and lymphocytes from newborn and abult were compared.

对绒毛、脐带血和外周血染色体的断裂和裂隙进行比较。

Experimental study of cryopreservation of umbilical cord blood by vitrification was investigated by 2-step.

在实验研究中,采用两步法进行脐带血干细胞的玻璃化保存。

Amniocentesis is usually performed between 12 and 20 weeks of gestation,CVS between eight and 12 weeks and PUBS after 20 weeks.

羊水检查一般是在12-20孕周内进行,阴道绒毛检查是在8-12孕周内检查,脐带血查是在20周之后。

All cases were verified by the DNA of chorion,amnionic fluid and umbilical cord blood.The final accuracy was 100%.Conclusion: PCR is a reliable and accurate technique for fetal gender determination in pregnancy through analysis of fetal DNA in maternal plasma.

通过本实验的研究,利用苯酚氯仿法建立了一种有效、简便、经济的从血浆中提取胎儿DNA的方法,并通过调整PCR反应体系,成功从母体血浆中扩增出胎儿特异的SRY基因,最后经绒毛、羊水、脐带血以及出生胎儿验证实际性别。

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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。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?