Objective. To determine the constitutive expression and production of NGF and the effect of cytokines on the expression of NGF by human IVD cells.
目的：判断ngf的结构性表达以及产生，并人类椎间盘细胞的细胞因子对于NGF表达的作用。
TUFD1 showed a constitutive expression pattern in roots, stems, coleoptiles, and leaves of seedlings, and in young spikes and seeds at the hard-dough ripening stage.
TUFD1基因在小麦幼苗的根、茎、胚芽鞘、叶片以及幼穗和腊熟期子粒中呈组成性表达。
In resistant lines, the constitutive expression of CH1 and CH2 was more strong and the accumulation of CH2 and CH3 in intercellular Spaces was faster than in susceptible ones.
在抗病品系中，CH1和CH2有较高的本底表达水平，且CH2和CH3在胞间积累的速度也明显快于感病品系。
The constitutive model of corroded concrete under uniaxial compression is established which has two expression and is proved by the experiment outcomes.
本文建立了两段式的腐蚀混凝土单轴受压本构模型，与试验数据比较符合。
An explicit expression was derived for the variation of crack size with stress. A micro-mechanical damage constitutive equation was then given.
给出了微裂纹特征尺寸随应力变化的显式表达式，并由此得到了含微裂纹的准脆性材料损伤本构关系。
Then the expression of damage-dependent elasticity tensor is deduced and the constitutive equations of damaged rock are built by using an equivalent state.
以二阶张量为损伤变量，推导了依赖于损伤变量的弹性模量表达式，利用一个等价状态，建立损伤岩体的本构关系。
Then the expression of damage-dependent elasticity tensor is deduced and the constitutive equations of damaged rock are built by using an equivalent state.
以二阶张量为损伤变量，推导了依赖于损伤变量的弹性模量表达式，利用一个等价状态，建立损伤岩体的本构关系。
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