查询词典 stem

EMF of 50 Hz frequency and 0.8 mT intensity can change intracellular free calcium ion concentration of bone marrow mesenchymal stem cells, and the change play a key role in the cellular proliferation and play a partial role in the differentiation of bone marrow mesenchymal stem cells into osteoblasts.

在50 Hz、0.8 mT电磁场作用下，骨髓间充质干细胞Ca2+内流发生变化，且该变化在骨髓间充质干细胞向成骨方向分化过程中产生部分抑制作用，在促其增殖过程中起主导作用。

The cowpea number per pod, weight per pod, length per pod, number of inflorescence; and the height of main stem, number of branches and node of main stem at seedling-pulling at each single plant were investigated for the yield-calculating, and meanwhile, the analysis of relevant factor and path analysis of the component of yield/plant was conducted.

方法］定株调查每株美国无架豇豆的豆英数、英重、英长、花序数，拉秧时测定主茎高、分枝数及主茎节数，并计算单株产量，进行单株产量构成因素的相关分析和通径分析。

Continuous joint stem is the direction of paulownia stem form selection.

连续接干是泡桐干形选择的方向。

Days later, BrdU-labelled neural stem cells and VEGF-secreting neural stem cells were transplanted into the penumbra zones respectively.

移植后1周免疫荧光染色观察转基因神经干细胞在脑内的基因表达情况。

Renee Reijo Pera, a biologist at Stanford's Institute for Stem Cell Biology and Regenerative Medicine, points out that earlier attempts to create offspring with sperm from embryonic stem cells resulted in short-lived mouse pups that were either giants or midgets.

斯坦福干细胞生物与再生医学研究所的生物学家雷妮·雷霍·派拉指出，以前曾尝试用胚胎干细胞培育的精子来繁殖后代，结果所产生的幼鼠寿命短暂，而且体形不是特大就是特小。

Corm An organ of perennation and vegetative reproduction, consisting of a short erect fleshy swollen underground stem, usually broader than high and covered with membranous scales. It stores food material in the stem and bears buds in the axils of the scalelike leaf remains of the previous years ' growth.

球茎：球形或扁球形短而肥大的地下茎，节和节间明显，节上有退化的鳞片状叶和腋芽，顶端有一个显著的顶芽，茎内储藏着大量的营养物质，有繁殖作用。

Adult stem cells and cornea stem cells are two other possible sources for generating immature photoreceptor cells.

成人的干细胞和角膜干细胞是两个其他可能产生未成熟感光细胞的来源。

They first organize and analyze a set of data with the stem-and-leaf diagram. They point out that the diagram is used for a small number of data and the original data can be retained in the diagram. To compare two different set of data of the same nature, they propose the use of a back to back stem-and-leaf diagram.

导师首先做一组数据的处理和分析，干叶图可以用作表达小量的数据，同时原来的数据仍会保留在干叶图中；背靠背干叶图是用作比较两组数据之用，且所有数据仍会保留在背靠背干叶图中。

Embryonic stem cells and other primitive stem cells of mice have been known for more than 30 years to potently block retrovirus replication.

对于小鼠胚胎干细胞及其他原始干细胞具有潜在阻止逆转录病毒复制作用的了解已经超过30年。

Hematopoietic stem cells known as pluripotent stem cells, present in the hematopoietic tissue in a group of primitive hematopoietic cells.

造血干细胞又称多能干细胞，是存在于造血组织中的一群原始造血细胞。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。