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The combination of density gradient centrifugation and adhere culture is an effective method to isolate BMSCs from bone marrow aspirate.

密度梯度离心与贴壁培养相结合可以提高细胞分离效率。

A study on the dynamics of soil bulk density,soil organic matter,soil microbes and other soil ecological factors under different human disturbance (logging and assart,logging but without assart,control)were conducted in the Ziwuling secondary forest area.

：对黄土高原陕西子午岭次生林区不同人为扰动条件下林地土壤容重、有机质、团聚体和微生物等进行了研究。

The model predictions will be influenced by the mesh density and generation method,the material property assignation and the applied boundary conditions.

模型质量将受到网格密度和生成方法、材料属性分配和应用边界条件等诸多因素的影响。

The asymmetrical distribution of temperature and fuel component affects the distribution of current density.

温度和燃料组分的非均匀分布直接影响了电流密度的分布。

NA samples ; the kernel estimation of density function ; empiricale Bayes test ; asymptotic optimality ; convergence rates

NA样本；密度函数的核估计；经验Bayes检验；渐近最优性；收敛速度

This dissertation is concerned with some problems regarding the asymptotic property of nearest-neighbor density estimator for α—mixing and nagetive quadrant dependent samples. The results extend the corresponding theorems in i.i.d.

本文主要考虑了最近邻密度估计在α—混合序列和两两NQD混合序列情形下的大样本性质，推广了独立同分布和其它相依情形下最近邻密度估计的大样本性质，如相合性、渐近正态性等。

Secondly, the asymptotic series are used to evaluate the density function of heavy-tailed Rayleigh distribution, and an efficient three-step method is proposed using the interpolating polynomial fit.

其次， 本文使用渐近级数计算拖尾Rayleigh分布的概率密度函数，基于插值多项式拟合，提出了高效计算密度函数的三步方法。

This work puts forward a new kind of stator insulation structure for a specialevaporative cooling commutate asynchronism generator with high power density.

本文提出了一种针对高功率密度卧式蒸发冷却电机定子绝缘的新型设计方案。

Relationship between biomarkers of oxidized low-density lipoprotein, statin therapy, quantitative coronary angiography, and atheroma: volume observations from the REVERSAL (Reversal of Atherosclerosis with Aggressive Lipid Lowering) study.

氧化低密度脂蛋白、他汀类药物治疗、定量冠脉造影和粥样斑块体积之间的联系：强降脂引起斑块消退的研究。

And the atmospheric density on Venus, atmospheric pressure is almost 100 times earth's atmosphere pressure.

而且金星上的大气密度很大，大气压力几乎是地球大气压力的100倍。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了