因子的

The acute reaction of neurons against axon repellents is the collapse of growth cones, while the chronical reaction is the change of axon growth direction when they are cocultured with repellents secreting cells.

神经轴突对神经生长排斥因子的急性反应是生长椎的萎缩；将神经元与分泌排斥因子的细胞共同培养时引起的慢性反应是轴突生长方向的改变网。

However, there is some defects in the properties of DAF, such as its limited decay-accelerating activity and lacking of cofactor activity of I factor, which limited its usage in clinic.

然而， DAF仍存在某些缺陷，比如其有限的衰变加速能力并缺乏Ⅰ因子的辅因子活性限制了DAF的临床应用，其为部分病原微生物受体的角色对异种移植有潜在危险。因而对DAF进行改造是一种较好的选择，也是当务之急。

It is shown that as the deviation of the interval factors of the design parameters are similar and close to unity, the computational error of the fast methodology are determined by the dispersion between the interval factors; and the error comes up to zero if all the interval factors are equal.

当诸参数的变化区间相对其均值的离差较小时，区间结构矩阵特征值的计算精度主要由各区间因子的差值大小所决定；且当各区间因子的差值为零时，误差亦为零。

Confidence coefficient was generated by the node based on the data sensed, and represented the authenticity and importance of the data. A backoff algorithm and a transmission filter based on the confidence coefficient were designed also.

由于置信因子由传感器节点根据所感知的数据产生，反映了数据的真实性和重要性，由于设计了一种基于置信因子的发送退避策略和传输过滤器，解决了保证重要数据的优先信道访问权和减少冗余数据传输量的问题。

We investigated the effect of combined application of maize straw, bean haulm, wheat straw and weathered coal on the activity of alkaline phosphate enzyme in calcareous cinnamon soil by means of regression design of 416A-optimization.

本研究采用四因数二次回归 4 1 6A—最优设计方法，通过裸土盆栽试验，在施用少量N、P肥的基础上，研究了玉米秆、豆秆、麦秆和风化煤四种有机物料配合施用对石灰性褐土中碱性磷酸酶活性的影响，建立了上述四个因子与土壤碱性磷酸酶活性之间的数学模型，并分别进行了试验因子的主效应和互作效应的分析

In order to interpret the impact from different intensity of friction factors on urban development, a new model is developed by adding incidental cost and friction factors to the traditional Thunen Model.

为此，传统的杜能模型需要进行扩展，在原始模型的基础上加入偶然成本以及影响城市扩展的摩擦因子以对其进行完善，以便解释摩擦因子的不同强度对城市扩展的不同影响。

At last, through the analysis of the T-stress, it is concluded that the T-stress plays an important role for the oriented microcrack cases. It is necessary to consider the effect of the T-stress in determining the shielding or amplification effect of the oriented microcracks.

最后，本文采用离散模型研究了各向异性材料主微裂纹干涉问题中T应力对主裂尖应力强度因子的影响：T应力对主裂尖应力强度因子的影响是不能被忽视的，这种影响不但与微裂纹的几何分布有关，而且还与T应力的大小和符号有关。

Our purpose is to try to understand some long-standingproblems in light baryon which include (1) The energy level or-der between the positive- and negative- parity partner states,in particular, Roper resonance puzzle;(2)The baryon spin-orbitstructure puzzle-the absence of spin-orbit effects in baryon spec-trum;(3)The calculated amplitudes of nucleon form factors droptoo fast and the uncertainty of the multipole strength in thetransition process of rN →△.

我们的目的是试图解决以往组分夸克模型在轻重子系统的研究中存在的几个问题：(1)重子谱中正负宇称配对态的能级次序，特别是Roper共振之谜；(2)重子谱中自旋轨道看不见之谜；(3)核子形状因子随转移动量增大而下降过快及核子到其共振态光和电生过程中多极子强度和形状因子的不确定性。

On the basis of the perturbation formulae of the g-factors (fourth-order) and the hyperfine structure constants (third-order) for a 3d^9 ion in tetragonal symmetry, the spin Hamiltonian parameters for the Cu(superscript 2+)-doped LaSrAlO4 crystal are theoretically investigated.

根据晶体场理论，利用3d^9离子在四角对称中自旋哈密顿参量g因子的四阶微扰公式以及超精细结构常数A因子的三阶微扰公式，对掺Cu(上标 2+)的LaSrAlO4晶体的自旋哈密顿参量作出了理论分析。

On the basis of the perturbation formulae of the g-factors (fourth-order) and the hyperfine structure constants (third-order) for a 3d9 ion in tetragonal symmetry, the spin Hamiltonian parameters for the Cu2+-doped LaSrAlO4 crystal are theoretically investigated.

根据晶体场理论，利用3d9离子在四角对称中自旋哈密顿参量g因子的四阶微扰公式以及超精细结构常数A因子的三阶微扰公式，对掺Cu2+的LaSrAlO4晶体的自旋哈密顿参量作出了理论分析。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。