因子的

The species of extracellular ATP can participate the effect of nerve system not only as the neurotransmitter and modulator but also has a trophic action to glial cell and neuron. It participates in many courses, e.g. cell differentiation and apoptosis, the morphologic change of chondriosome, to stimulate the synthesis and release of cytokine and nerve growth factor. It has a great influence to neurological growth and plasticity.

细胞外ATP类物质不仅可以作为神经递质及调质参与神经系统的功能，还可对胶质细胞及神经元产生营养作用，广泛参与细胞分化及凋亡、细胞线粒体形态变化、刺激细胞因子及神经生长因子的合成及释放等过程，对神经系统的发育及可塑性变化产生重要的影响。

Optimization of the use of punitive factor function in the epitaxial sustaining a conjugate gradient method...

最优化中利用惩罚因子的罚函数法的外延，连带了共轭梯度法，由于罚因子的迅速跌代增大，加速了目标函数的收敛速度。

The effects of the structure constant of the refractive index fluctuations Cn2 and the inner scale of the turbulence l0 on the M2 factor have been analyzed quantitatively. Consequently, a new method for determining the characteristics parameters of the turbulence based on the measurement of the M2 factor by experiments has been proposed.

定量分析了表征大气湍流参数的折射率结构常数Cn2和涡旋内尺度l0对M2因子的影响，并由此提出了一种通过实验测量大气湍流中光束的M2因子，进而确定出大气湍流参数的新方法。

As a part of "Outstanding Young Researcher project- Water Erosion Predicting model", the purpose of this study is to do research on the method for estimating Cover and Management Factor in China, to evaluate the effects of crop cover in different stages by estimating soil loss ratio of individual crop stage period, and to compare the effects of different land use patterns by their average annual value of C factor.

本研究作为杰出青年基金项目《土壤水蚀预报模型研究》的一部分，目的在于探讨我国覆盖与管理因子的计算方法，估计不同耕作制度下农地多年平均C值；通过估计不同农作期土壤流失率评价作物发育不同时期对土壤侵蚀的作用；通过估计多年平均覆盖与田间管理因子分析不同土地利用方式的水土保持效益。

This paper analyzes the spatial variability characteristics of the degree-day factors obtained from the observed glaciers of different regions in western China.

本文根据中国西部不同地区数十条冰川的短期考察和观测资料，分析了西部冰川度日因子的空间变化特征，结果表明：由于青藏高原及其周围地区独特的气候和热量条件，西部冰川度日因子具有明显的区域特征。

The unique keratin protein and fattiness of keratin cell constitute cell membrane for the natural moist factor, which prevents the loss of natural moist factor and moderately controls the external diffusion of moisture, make skin more elastic and glossy.

独有的角质蛋白和角质细胞的脂质能构成天然保湿因子的细胞膜，防止天然保湿因子的流失，也适当控制了水分从皮肤向外扩散，使肌肤增加弹性有光泽。

The expression of gibberellin biosynthesis genes are regulated by several endogenous and environmental factors , inc...

GA生物合成相关基因的表达受到多种内源和外源因子的调控，其中研究较多的是发育阶段、激素水平和光信号等内源及环境因子的调控。

Based on the fracture mechanics approach, the finite element method analyzed a varity of the stress intensity factor at the pavement crack tip when setting fiberglass-polyester paving mat, and the effect of the stress intensity factor in symmetric load and asymmetric load was studied when the asphalt layer modulus, thickness of semi-rigid base, the the depth of the crack, touch condition, interlay modular, etc., changed.

基于断裂力学的方法，采用ANASYS软件模拟沥青路面典型结构，分析了设置聚酯玻纤布夹层后，在正载和偏载作用下，裂缝尖端应力强度因子的变化，研究了沥青层模量、基层厚度及裂缝扩展深度等结构参量及层间接触条件和夹层模量对应力强度因子的影响规律分析结果表明，设置聚酯玻纤布夹层，可以有效防治荷载型反射裂缝的扩展。

With the development of gene cloning technology, ganulocyte colony-stimulating factor recombinant products have been widely used in clinic to provide effective means for the treatment of leucopenia,In recent years, we find the therapy of chemotherapeutics combining with granulocyte colony-stimulating factor is effective in refractory/relapsed/elderly cases of acute leukaemia.

随着基因克隆技术的发展，粒细胞集落刺激因子重组产品已广泛应用于临床，为血液系统疾病的治疗提供了有力手段。目前在临床上广泛用于白细胞减少性疾病。近年来在化疗基础上联用粒细胞集落刺激因子的预激方案也取得良好疗效，为难治、复发、老年急性髓系白血病的治疗创造了机会。

Based on fouling monitoring of boiler,this papers studied on method based on minimal cleanliness factor to determine sootblowing opportunity, method based on best frequency to calculate critical cleanliness,method base on the principle of maximal heat income caused by sootblowing to determine sootblowing period, method based on the principle of safety first to determine sootblowing schedule. All the above methods together can determine the correct schedule to sootblowing system.

基于锅炉各受热面的实时监测模型，本文在保证设备安全运行的前提下，从经济性出发，提出了基于临界清洁因子确定最佳吹灰时机和根据吹灰收益最大原则确定最佳吹灰周期，并给出基于吹灰最佳频率确定临界清洁因子的方法，给出制定合理的吹灰方案的步骤。

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。