查询词典 decisive factor

BACKGROUND: Muscle-derived stem cells have some problems in purification, amplification and directional differentiation during in vitro culture. Basic fibroblast growth factor as a membrane of bioactive factor has been paid great attention, due to its biological activity.

背景：肌源性干细胞在体外培养过程中存在纯化、扩增、定向分化等难题，碱性成纤维细胞生长因子作为生物活性因子的一员，因其生物活性的多效性而备受关注。

Objective To explore the possibility of basic fibroblast growth factor and epidermal growth factor combined with st-riatal conditioned medium promoting the directional differentiation of rat bone marrow mesenchymal stem cells into dopaminergic neurons.

目的 探讨联合应用碱性成纤维细胞生长因子、表皮生长因子和纹状体条件培养液定向诱导大鼠骨髓间充质干细胞分化为多巴胺能神经元的可能性。

Based on the comparison of fixing discount factor method with the parameter e-valuation method, the heterogeneity function method is presented to determine the discount factor .

在比较固定贴现因子法及参数评估法的基础上，提出了用异质偏好函数法来确定贴现因子，并用实际的数据库验证了异质偏好函数法确定贴现因子在消费者行为模型的适应性方面比前两种方法优越，还讨论了三种方法的使用原则。

Taking the "human" point of view to analyze the reason of the proliferation of Seventeen Year Literary Criticism, we known that Mao's consistent distrust to intellectuals and his dissatisfy with current literary and artistic work is one of the factor, the other factor can be the writers group their own of that period.

从"人"的角度分析十七年文艺批判泛滥的原因，这其中既有建国后毛泽东对知识分子的始终不信任和对现行文艺工作始终不满的一贯思维，同时也有这一时期作家群体自身的因素。

The reason causing this intensive relationship is various; however, it sums up to two aspects. One is institutional factor and namely institution arrangement, including unbalance of principal status of labor relationship, distempered jurisprudence of labor relationship and nominal collective bargaining and so on. The other is mechanism factor, and namely execution and operation of institution, including ineffective and high-cost harmony mechanism of labor relationship, and not completely executed policies and rules of law and so on.

引起这种紧张关系的原因多种多样，但归结起来无外乎两个方面：一个是体制因素，即制度安排问题，包括劳动关系主体地位失衡、劳动关系法律体系不健全、集体谈判制度形同虚设等等；另一个是机制因素，即制度的执行和操作问题，包括劳动关系协调机制效率低、成本高，国家政策法规落实不到位等等。

In this algorithm, inertia weight is nonlinearly adjusted by using population diversity information. Velocity mutation factor and position interchange factor are both introduced and the global performance is clearly improved. The algorithm has been applied to optimization of parameters in SVM.

该算法利用种群多样性信息对惯性权重进行非线性的调整，并在算法的后期引入速度变异算子和交换算子，使算法摆脱后期易于陷入局部最优点的束缚，同时又保持前期搜索速度快的特性。

In this algorithm, inertia weight was nonlinearly adjusted by using population diversity information. Velocity mutation factor and position interchange factor were both introduced and the global performance was clearly improved.

该算法利用种群多样性信息对惯性权重进行非线性的调整，并在算法的后期引入速度变异算子和位置交叉算子，使算法摆脱后期易于陷入局部最优点的束缚。

Trontium isotope test analysis indicates that relationship exists between~(87)Sr/~(86)Sr ratios and the variation of seawater, evolution of palaeo-geographicalconditions in the region of Tazhong is the direct factor which controls the change ofthe 87Sr / 86Sr ratios and dolomitization is also an important factor.

r同位素测试分析表明，~(87)Sr/~(86)Sr比值与海水变化有关，塔中地区古地理环境演化是~(87)Sr/~(86)Sr比值变化的直接控制因素，白云石化作用对~(87)Sr/~(86)Sr比值有着重要作用。

Similarity,integrity,factor synthesis and factor dominancy.

本文进一步讨论了泥石流灾害区划的主要原则，即相似性原则、区域完整性原则、综合性原则和主导因子原则。

According to the gallus colony stimulating factor(colony-stimulating factor,CSF)cDNA sequences published by GenBank,a pairs of specific primer was designed,the local dorking was injected 100 μg/mL ConA,total RNA was extracted from feeding 24 hours lymphocyte from spleen,then dorking colony stimulating factorcDNA fragment was cloned by RT-PCR technology.

根据GenBank中报道的红原锦鸡集落刺激因子(Colony-stimulatingfactor，CSF)cDNA序列，利用Primer Premier5.0软件设计一对特异性引物，对本地肉鸡注射100μg/mL ConA试剂，饲养24 h后，取脾脏提取淋巴细胞总RNA，利用RT-PCR技术克隆集落刺激因子的cDNA片段。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。