研究者们利用小鼠晶胚来培育脑组织,并且设定了一种环境,在此环境下,脑组织会逐渐流失左旋多巴胺神经细胞,这与帕金逊症的症状非常相似。
Using tissue from mouse embryos, researchers prepared brain cultures using conditions that favor the slowly progressing loss of dopamine neurons, a hallmark of the disease.
两种蟹肝胰腺均由肝小管的单层柱状上皮构成,在光镜下可以区分出分泌细胞、吸收细胞、胚性细胞。
The hepatopancreas of the two crabs were built with simple columnar epithelia. Secreting, absorbing and embryonic cells could be distinguished.
在此条件下粕中残油率低于1%。 毛油经过精炼,即可获得品质优良的小麦胚油。
Under the above conditions the residual oil content of the meals is lower than 1%, After refining, the wheat germ oil with fine quality can be obtained.
对于一个同胚映射,本文给出了度量函数的定义,并且给出了度量函数有界的一个充分条件及在此充分条件下度量函数的一个上界。
This paper tries to define metric function for homeomorphic mapping, and a sufficient condition of bounded metric function is given, under which a upper bound of metric function is defined as well.
结果表明:在同等条件下,均以成纤维细胞为主,并伴有少量的上皮细胞,仅有全胚法含有极少量的肝细胞;
Under the same condition, the cells produced by these methods were mostly fibroblasts, accompanied with epithelium, and a particle of liver cells only by whole embryo method.
采用自体移植,在移入胚数基本相同的情况下,其受孕率和产仔率比异体移植分别提高30.7%(P<0.05)和15.1%(P<0.01)。
In planting the same number embryos, the pregnancy rate and pigging rate of pig with self-implant are higher than 30. 7% (p<0. 05) and 15.1% (P< 0.01) approprately.
然后,我们将看到微分同胚群作用下的辛商为特殊子流形模空间上的以环面为结构群的丛。
And then we will see that in the framework of diffeomorphism group the symplectic quotient is torus bundle over the moduli space of special submanifold.
其次,将脱胚玉米在上述挤压参数下进行挤压膨化,运用所得膨化物料进行糖化工艺的选择。
Second, saccharification process was studied using extrudate of maize without germ at the levels of optimum extrusion parameters.
结果胚鼠室管膜源性神经干细胞在相应培养条件下呈现出神经干细胞快速增殖,形成由多细胞组成的细胞球(神经球);
Results The NSCs derived from the fetal rat ependyma were observed to rapidly proliferate to form some cellular spheres or neural spheres consisting of NSCs.
目的探讨腹腔镜下输卵管妊娠挤胚术治疗输卵管妊娠的价值。
Objective To explore the clinical value of tubal pregnancy embryos extrusion operation by laparoscopic.
在加有鸡胚骨骼肌提取液的培养基诱导下,能向胆碱能神经元方向分化。
These neural stem cells could be induced to differentiate into cholinergic neurons by using embryonic chick skeletal muscle extract.
观察所见,5周胚肾已有肾小体发生,肾内的间充质首先分化成造血干细胞,在造血干细胞的诱导下形成毛细血管及肾小囊。
The result showed that the renal corpuscle had generated at the age of 5th week. First mesenchymal proper order the capillary of the glomerulus and the renal capsule were induced by the stem cells.
对胚状体用4%的藻酸钠和2%的氯化钙进行人工种皮包埋后,在无菌条件下,胚状体转变成苗。
Embryoids were encapsulated in 4% sodium alginate and 2% CaCl_2 as artificial seed, then so - me somatic embryos encased in capsule converted to plantlets in the aseptic conditions.
本研究在体外培养的条件下研究了BDNF、SDNF、GM1对大鼠胚腹侧中脑多巴胺神经元生长发育的影响。
The effects of BDNF, SDNF, GM1 on growth and development of embryonic ventral mesencephalic (VM) dopaminergic neurons were studied in vitro.
研究了在稀碱条件下玉米胚蛋白的浸提工艺。
The technology for protein extraction from defatted corn germ with thin alkaline solvent was studied.
目的:探讨在热休克条件下,人胚肺二倍体细胞MRC-5株诱导型热休克蛋白70(HSP70)在细胞水平的表达机制,以及对MRC-5细胞衰老的影响。
Objective: To explore the expressive mechanism of induced HSP70 and it' s effect on the senescence of MRC-5 cell in the heat shock condition.
极早熟桃品种“春蕾”果实硬熟期的幼胚在胚珠离体培养条件下维持胚性生长。
The young embryo of super-early maturing peach variety 'Chunlei 'at fruit hard-ripe stage maintain embryonic growth under the conditions of in vitro culture of ovule.
种胚的生长发育也存在差异,通过对四组不同层积条件下,研究种内贮藏物质转化动态结果表明。
In this paper, study and comparate the circumstance of storage substance transformation under four different stratification conditions.
8月1号,在人气社交网站——猫扑网上出现了一张照片,照片中,北京的一家麦当劳门口堆放着大量汉堡胚,一部分包装已破损,暴露在太阳下。
On Aug 1, a photo appeared on the popular Mop social networking website that showed burger buns, some in ripped wrappings, piled in the sun outside a McDonald's restaurant in Beijing.
但是这五种胚质在干旱的条件下比普通的大豆的产量多出四到八蒲式耳。
But these slow-wilting lines, he says, produce four to eight bushels more than normal soybeans under drought conditions.
并多数发生于于叶与下胚轴的深层。胚性细胞团周围细胞退化,使其与周围组织之间形成间隙。
The surrounding cells of the embryonic cell groups degenerate, such there is the space between the groups of cell and the surrounding tissue.
并多数发生于于叶与下胚轴的深层。胚性细胞团周围细胞退化,使其与周围组织之间形成间隙。
The surrounding cells of the embryonic cell groups degenerate, such there is the space between the groups of cell and the surrounding tissue.
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