查询词典 stem from

METHODS: Adipose was obtained from regions surrounding epididymis, retroperitoneal space and nape after anesthesis by pentobarbital, and adipose-derived mesenchymal stem cells could be harvested through type Ⅰ collagenase digestion. ADSCs were incubated in vitro and purified by differential adhesion.

戊巴比妥耳缘静脉麻醉，依次无菌取出附睾附近脂肪垫、腹膜后脂肪、颈背部脂肪，I型胶原酶酶解法分离出脂肪源间充质干细胞（adipose-derived mesenchymal stem cells，ADSCs），进行体外传代后差速贴壁培养纯化。

Human embryonic stem cells are pluripotent cells derived from inner cell mass of blastocyst at early stage of human embryo.

人胚胎干细胞(human embryonic stem cells，hES cells)是一种从人类早期胚胎的内细胞团中分离出来的多能性干细胞。

The strength of the Japanese army lies not only in its weapons but also in the training of its officers and men -- its degree of organization, its self-confidence arising from never having been defeated, its superstitious belief in the Mikado and in supernatural beings, its arrogance, its contempt for the Chinese people and other such characteristics, all of which stem from long years of indoctrination by the Japanese warlords and from the Japanese national tradition.

日本军队的长处，不但在其武器，还在其官兵的教养——其组织性，其因过去没有打过败仗而形成的自信心，其对天皇和对鬼神的迷信，其骄慢自尊，其对中国人的轻视等等特点；这是日本军阀多年的武断教育和日本的民族习惯造成的。

Keep stem from turning by inserting screw driver in slot on end of stem.

通过在阀杆末端的槽内插入螺丝刀来避免阀杆旋转。

Embryonic stem cell lines isolated from primitive embryonic cells are highly undifferentiated and totipotent cells.

胚胎干细胞(embryonic stem cell，ES cell)系是从早期胚胎细胞分离培养而建立的高度未分化的具有全能性的细胞系。

Abstract］ Objective: To research the phenomenon and rule of multiplication and chondrogenesis of mesenchymal stem cells derived from human bone marrow in vitro.

目的：研究人骨髓间充质干细胞（mesenchymal stem cells，MSCs）在体外培养过程中的增殖和成软骨分化现象和规律。

DATA SOURCES: The Medline was undertaken to identify the relevant articles published from January 1991 to January 2006 with the key words of ＂mesenchyma stem cells,origin,research progress＂ in English.

资料来源：应用计算机检索Medline1991-01/2006-01期间的相关文章，检索词为&mesenchyma stem cells，origin，research progress&，并限定文章语言种类为English。

Methods Rat bone mesenchymal stem cells were isolated from adult rats bone marrow by Ficoll -Paque density gradients, cultured and amplified in vitro, and then identified by flow cytometry ; Middle cerebral artery occlusion model of regional cerebral ischemia in rats were made by thread embolizing.

方法Fieoll-Paque分离液梯度离心分离大鼠骨髓间质干细胞（rat bone mesenchymal stem cells，rMSCs），经体外培养扩增并流式细胞术鉴定；线拴法制作大鼠大脑中动脉闭塞脑局灶缺血模型，Hoechst33342标记细胞，分别通过静脉移植及立体定向局部移植到大鼠缺血侧纹状体。

3 Open the regulator and the nozzle ring ring screw fixation screws; 1.3.4 release and remove the valve cover nut; 1.3.5 screw bolts with rings at the stem, from the valve assembly of the upper part of the body perpendicular to bring devices; when the upper part of unit from the valve body will be raised when the stem or any part not allowed to have any sway movements, any shaking could damage to the valve seat.

1.3.3 拆开调节环固定螺丝和喷咀环固定螺丝； 1.3.4 松开并拆下阀盖螺母； 1.3.5 用吊环螺栓拧在阀杆上，从阀体内垂直提起组装的上部装置；当从阀体内将上部装置提出来时，不允许阀杆或任何部件有任何的摇摆动作，任何摇动都可能损坏阀座。

Neural stem cells, defined by Reynols 1992, which were derived from the adult mice corpus striatum firstly, can uninterruptly proliferate and multidifferentiate in vitro and in vivo.

神经干细胞(neural stem cells，NSCs)是干细胞的一种，Reynolds等于1992年首先从成年小鼠脑纹状体分离出能在体外不断分裂增殖、具有多种分化潜能的细胞群，并正式提出了神经干细胞的概念。

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。