查询词典 exterior differentiation

According to the some properties of the differentiation ,I found that the symmetry of the graph is closely related to the first-order differentiation and the second-order differentiation .from this ,I search for a way to identify the symmetry of the functional graph for the direct line or the central symmetry of the functional graph for the some dot .

摘 要：利用导数的一些性质，发现了函数图象的对称性与函数的一阶、二阶导数的密切关系。根据这些关系，找到了一种判定函数图象是否关于某一直线对称或关于某点成中心对称的方法。

Based on traditional Fourier differentiation matrix and some modifications of the original differentiation operator, this paper refers to a new kind of method——staggered-grid Fourier pseudospectral differentiation operator.

本文在传统傅里叶微分矩阵的基础上，对原始微分算子进行改进，引入了错格微分算子的傅里叶伪谱方法。

OBJECTIVE: To establish an inducing system for differentiation of bone marrow mesenchymal stem cells into chondrecytes in two-dimensional culture in vivo, to analyze the best concentration of transforming growth favor beta-1 (TGF-β1) to induce the differentiation and the correlated influence factors for the directional differentiation, and to observe the changes of cell form and phenotype.

目的：建立二维培养条件下骨髓间充质干细胞分化为软骨细胞的诱导体系，分析转化生长因子β1作为诱导条件的最佳浓度，以及诱导骨髓间充质干细胞定向分化为软骨细胞的相关影响因素，观察细胞诱导后的细胞形态及表型变化。

OBJECTIVE: To establish an inducing system for differentiation of bone marrow mesenchymal stem cells into chondrecytes in two-dimensional culture in vivo, to analyze tbe best concentration of transforming growth favor beta-1 (TGF-β1) to induce tbe differentiation and the correlated influence factors for the directional differentiation, and to observe the changes of cell form and phenotype.

目的：建立二维培养条件下骨髓间充质干细胞分化为软骨细胞的诱导体系，分析转化生长因子β 1作为诱导条件的最佳浓度，以及诱导骨髓间充质干细胞定向分化为软骨细胞的相关影响因素，观察细胞诱导后的细胞形态及表型变化。

Molecular tree showed that haplotypes from Bubalus bubalis and Bos indicus clustered on their own and there were apparent differentiation between Bubalus bubalis, Bos indicus and other bovine species. There was no apparent differentiation among Bos taurus, Bos grunniens, Bos frontalis and they maybe produced apparent differentiation gradually in the process of evolution.

分子进化树显示，水牛、瘤牛独自成类并与其他牛种显著分化；普通牛、牦牛、大额牛间的序列分化程度并不明显，但有可能在进化过程中逐步产生明显的分化。

The degree of differentiation: benign tumor differentiation, and atypia small, with the shape similar to the existing organization; malignant tumor differentiation bad heteromorphism large, with the difference between the original form of large organizations.

1组织分化程度：良性肿瘤分化好，异型性小，与原有组织的形态相似；恶性肿瘤分化不好，异型性大，与原有组织的形态差别大。

The concept of cell differentiation; tissue-specific genes; and house-keeping gene; combinational control arouse expression of tissue-specific gene; the factors which have influence on cell differentiation; totipotency; cell differentiation and embryo development.

细胞分化的基本概念；组织特异性基因与管家基因；组合调控引发组织特异性基因的表达；影响细胞分化的因素；细胞的全能性；细胞分化与胚胎发育。

Objective To determine the effect of free fatty acid on the differentiation of 3T3-Ll cells and the expression of insig2 mRNA, to evaluate the factors which effect on the expression of insig2 mRNA and the differentiation of 3T3-Ll cells, and to explore the effect of insig2 in the differentiation and formation of adipocytes and lipogenesis.

目的 观察游离脂肪酸对3T3-L1细胞分化及insig2 mRNA基因表达的影响，进一步了解影响3T3-L1细胞分化成熟及insig2表达的因素，探讨insig2基因在脂肪细胞分化与代谢中的作用。

This part discusses in depth the social bases for the changes in the interest relations of social strata in China by means of Marxist theory on citizen society. It inspects the changes of social strata differentiation and interest relations by putting them in the historical background of social transformation, social structure differentiation and prevalence of citizen society in China. Thus, it increases the theoretical depth and realistic massiveness. 2. The differentiation of social strata in China in the new era and its impact.

运用马克思市民社会理论，深入探讨我国社会阶层利益关系变化的社会基础，把阶层分化和利益关系的变化放在整个中国社会转型、社会结构分化和市民社会兴起的历史大背景中去考察，从而增加了本课题研究的理论深度和现实厚重感。2、新时期我国社会的阶层分化及其影响。

The phenomenon of neuroendocrine differentiation exists in partial cases with thyroid papillary carcinoma, and the tissues of thyroid papillary carcinoma with neuroendocrine differentiation have poor differentiation and large tumor size.

部分甲状腺乳头状癌存在神经内分泌分化现象，伴神经内分泌分化的肿瘤组织分化较差？体积较大？

While in the US these types of projects are sought after and have a bit of cachet, the Chinese students kept asking,"why?"

而在美国，这类的项目是被大家追求的而且有很高的认同度，中国学生追问："为什么？"

This Ernst, what's he look like?

这个恩斯特，他长得什么样？