F factor

We use the method of f factor and the fitting of event vertices to subtract the residual beam associated background .

采用f因子方法和拟合强子事例顶点z分布的方法来扣除残余束流相关本底，并讨论其对R值测量误差的贡献。

The results indicate that the pressure drop increases as F factor or rotational speeds increase .

结果表明，旋转床气相压降随F因子和旋转速度的增大而增大；

Minimum Integrity of Graphs MINIMUM DEGREE FOR f FACTOR

图的最小完整度有约束条件的二分图的（g，f）-因子

The F factor , which possesses an additional genetic unit , is also called sex factor or fertility factor .

具有附加的遗传单位-F因子，也叫性因子或育性因子。

Thus , the relation between the apparent half width △λ _M and the true half width △λ _ ( 1 / 2 ) measured by F-P etalon with different F factor and different optical thickness nt is obtained .

由此，获得了用不同F值，不同光学厚度nt的F-P标准具所测得的表观半宽度⊿λM与实际半宽度⊿λ（1/2）之间的关系。

Lastly , the minimum permission reliability index is offered by the method of " calibration method " which makes back calculation out of the bending resistance reliability and the compression resistance reliability of the reinforced concrete member in norm . MINIMUM DEGREE FOR f FACTOR

最后，根据校准法反演计算现行设计规范中钢筋混凝土结构抗弯、抗压可靠度指标以确定在用桥梁结构体系的最低目标可靠度指标。有约束条件的二分图的（g，f）-因子

F - factor in k_ ( 1,3 ) - Free Graphs

无爪图的f－因子

Let H be a subgraph of a graph G . Sufficient and necessary conditions are given for graph G to have a fractional f - factor that contains each edge of H or contains no any edge of H .

给定图G的任一个子图H，给出了图G有分数f-因子含有H的每条边，或不含H的任一条边的充要条件。

A ( g , f ) - factor in K_ ( 1 , n ) - free graph

K（1，n）-自由图中的（g，f）-因子

The distribution coefficient a is adjusted , to ensure the accuracy and rationality of the profit distribution by the introduction of reward function F and evaluation factor β .

通过引入奖励函数F和评价因子β来调整分配系数a，保证了利润分配的合理性和准确性。

Purpose : To further study the effect of E 2 F 1 transcription factor on the transcriptional activation of β promoter , and explain the transcriptional regulation mechanism on MTS 1 gene .

目的：深入研究MTS1基因β启动子的转录激活与E2F1转录因子的相互作用关系，阐明该基因转录水平的调控机制。

The characteristic curves for oil displacement by water currently used in prediction of reservoir performance is a straight line on the lg F paper for recovery factor vs water-oil ratio .

目前在油藏动态预测中广泛使用的水驱驱替特征曲线公式，在采出程度ER与水油比的对数lgF座标上是一条直线。

Methods All exons , exon-intron boundaries and the 3 ′, 5 ′ untranslated sequences of F ⅶ and tissue factor ( TF ) genes were amplified by PCR and sequenced directly .

方法用DNA直接测序法对先证者FⅦ及组织因子（TF）基因的全部外显子及其侧翼5′和3′非翻译区进行分析，寻找突变基因。

The yield strengths of TiAl-based alloys were calculated with the factors of phase structure F and interface binding ? ρ based on the calculation of their phase space and interface structures . The factor F and factor ?

在TiAl基合金相空间与相界面价电子结构计算的基础上，利用表征相结构单元成键能力的相结构因子F与表征界面结合强度的界面结合因子？

A graph G is called a ( g , f ) - 3 - deleted graph if every three edges don 't belong to a ( g , f ) - factor .

一个图G称为一个（g，f）3消去图，如果G的任何三条边都不属于它的一个（g，f）因子。