查询词典 es

Methods ES cells of BALB/C mice were cultured in directional differentiation and non directional differentiation culture system respectively.

方法选用BALB/c小鼠ES细胞，分别进行未分化培养和非定向分化培养，对培养系统中ES细胞的发育和分化情况进行观察。

During the period of the fertility alternation,Shuangdi Pei eS and Shuangdi S were treated for 6 d at 25℃,and the panicel exsertion,lengths of the uppermost internode,parenchyma cell number and average length of the uppermost in- ternode were studied.

以双低培eS为研究对象，以双低S为对照，于育性转换敏感期，在25℃人工气候条件下处理6d，比较研究了双低培eS和双低S不同发育时期的穗颈伸出度、穗颈节间长度及节间细胞数和细胞的平均长度。

Meanwhile, Tibetan sheep (breeded in Sanjiaocheng of Qinghai, Huangcheng and Gannan of Gansu ), Mincounty Blank Fur sheep and Texel and Poll Dorset were controlled. The results indicated that polymorphism was tested at the loci of Hb, Tf and Es, that erythrocyte protein 1 and 2 were monomorphism. There were a couple of allele and three genotypes at the loci of Hb and Es. There were 10 genotypes at the locus of Tf, which was determined by 5 alleles.

结果表明，青海细毛羊和甘肃高山细毛羊的血红蛋白、转铁蛋白和酯酶基因座上存在丰富的多态性，其中Hb和Es位点受一对等位基因控制，共构成3种基因型；Tf位点受5个等位基因控制，共构成10种基因型；而红细胞蛋白质-1（EP-1）和红细胞蛋白质-2（EP-2）基因座均呈显单态；青海细毛羊的AMY基因座具有AMY1、AMY2、AMY3三种同工酶，其中AMY2呈多态，有AMY2A和AMY2O两种表现型，而甘肃高山细毛羊的AMY呈显单态。

In resent year, several in vitro models for committed differentiation of ES cells have been described which give rise to a variety of cell types, including hematopoietic, neuronal, chondroitic, osteocytic, endothelial, myogenic, cardiac and smoothes muscle cells, but the committed differentiation into epidermal stem cells have not been reported.

ES细胞为研究基因功能、胚胎发生和个体发育，及组织细胞分化机理提供了理想的模型。近年来的研究表明，适当条件下，ES细胞可定向分化为三个胚层的各种类型的细胞，其中包括向神经元、造血细胞、成骨细胞、心肌细胞、血管内皮、软骨细胞、平滑肌特方向的定向分化。

Result There was no significant difference to the number and length of parenchyma cell in the uppermost internode between Shuangdi Pei eS and Shuangdi S in meiosis and dikaryon pollen stages;there was significant difference to those in tikaryon pollen stage, and there was very significant difference to those in anthesis and the 7th day after anthesis,and on the 7th day after anthesis,the difference to the number and length of parenchyma cell in the uppermost internode between Shuangdi Pei eS and Shuangdi S was the greatest.

长穗颈双低培eS与双低S穗颈节间薄壁细胞数及细胞平均长度在减数分裂期和二核花粉期差异不明显，于三核花粉期差异达显著水平，始花当天和始花后第7天均达极显著水平，其中始花后第7天时两者的差异最大。

Others are named for people or plac es (e.g. einsteinium, Es, for Einstein).

其它还有用人名和地方来表示，如Es代表爱因斯坦。

It was found that exogenic gene could start-up the expression of neural stem cell specific marker, nestin, and raise neural polar changes on ES cell.

发现外源性ibeB基因的转染能启动ES细胞表达神经干细胞标志蛋白nestin，并使ES细胞发生神经细胞样极性变化。

Through the study of the style of knowledge description, the paper elaborates the numerical model knowledge, the symbolic experience knowledge and the instantial swatch knowledge. These three kinds of different knowledge have been used in loans risk classification in the paper. Just as the using of the Object Oriented technique and the AI (include ES, ANN, and the integrated of ANN and ES) technique, can the paper realize the five-grade loans risk classification.

本文通过对知识描述形式的研究，表述了经验符号性知识、模型化数量性知识和实例样本性知识三种类型，通过对其行为特征及转换、集成的研究，将这三种异构知识引入贷款风险分类分析；采用面向对象技术和人工智能的ES、ANN两种形式及其结合，实现了贷款风险五级分类。

With the decrease of ES, the number of knubbly vessels increases. The decrease of ES can promote infiltration of rectal cancer and metastasis of lymph node.

ES表达降低，肿瘤血管生成增加，MVD升高，可促进直肠癌的局部浸润及淋巴结转移。

Transplantation of motoneurons derived from MASH1-transfected mouse ES cells reconstitutes neural networks and improves motor function in hemiplegic mice.

ES细胞向神经细胞分化的研究有利于人们了解胚胎神经细胞发育的机制、发现ES细胞向神经细胞分化的关键调节基因；建立体外定向诱导神经细胞分化体系将为神经疾病治疗药物的筛选以及基因工程药物的开发等提供有用的材料；体外大量有功能的特定神经元的获得使神经再生医学正一步步从理论走向实践。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。