Peudolaric acid a (PAA); S180 cells; Apoptosis of tumor cells.
土槿甲酸；肉瘤180细胞；瘤细胞凋亡。
CONCLUSION: PAA can effectively inhibit the proliferation of S180 cell line.
结论：土槿甲酸能有效抑制鼠肉瘤180细胞的增殖。
Crystallization process and different phase transitions of PAA template were investigated.
研究了PAA模板的晶化行为和相转变过程。
The thickness of PI layer depends upon the viscosity of PAA and the spin speed of coating;
聚酰亚胺的成膜厚度取决于聚酰胺酸（PAA）的粘度及旋涂转速；
The direct regeneration frequency could be improved by increasing the concentration of PAA.
提高PAA浓度可进一步提高直接植株再生率。
The derived polyacrylic acid (PAA) -pva grafted fibres possess cation exchange characteristics.
制得的PAA -接枝维纶具阳离子交换特性。
The paper provides valuable guidance to improving the thermal control and thermal deformation of PAA.
本文所完成的工作对相控阵天线的热控制及热变形研究具有一定的指导意义。
The result shows that BPANN is a good model to predict the hole ordering for PAA film in sulphuric acid.
表明BP ANN是硫酸阳极氧化制备多孔膜孔有序度的较好的预测模型。
Lung tissue sections stained by HE were observed to study morphological alternation in terms of MLI, MAN and PAA.
肺组织切片观察形态学改变，采用图像分析系统测定肺平均内衬间隔(MLI)、平均肺泡数(MAN)和肺泡腔面积与总面积比(PAA)。
Objective To evaluate the therapeutic efficacy of the domestic polyacrylic acid (PAA) gel for the treatment of dry eyes.
目的评价国产聚丙烯酸(PAA)凝胶治疗干眼症的临床疗效。
There exited a positive correlation between peptide-bounded amino acid content (PAA/TAA) in infused samples and the intestinal absorption rate of amino acids.
灌注样品的肽结合氨基酸含量（PAA/TAA）与氨基酸吸收效率呈显著正相关。
Quantitative analysis of pulmonary mean linear intercept (MLI), mean alveolar Numbers (MAN), pulmonary alveolar area (PAA) and the relative area of elastic fibers were measured.
定量分析肺平均内衬间隔(MLI)、平均肺泡数(MAN)、肺泡腔面积与总面积比(PAA)、肺内弹力纤维的相对面积。
The results show that the self-assembly system with PAA can serve as a good structure inducer for the synthesis of nanosized materials with special structure at room temperature.
结果证明该PAA自组装体系在室温下可作为合成特殊结构纳米材料的一种很好的结构诱导剂。
Methods The color and transparency of different concentration phantoms were observed. Properties including density, acoustic speed and acoustic attenuation of PAA gel phantom were measured.
方法观察模块浓度的不同所致颜色与透明度的变化，并对PAA模块的声学特性包括密度、声速及声衰减进行测量。
The impact of reaction conditions on the limit viscosity of PAA was studied, and fouling inhibition and anti-oxidation performances of polymers with different limit viscosities were evaluated.
研究了合成条件对聚丙烯酸（PAA）极限粘度的影响，评定了不同极限粘度聚合物的阻垢性能和耐氧化性能。
Polyester size is another important kind of size except (denaturated) starch, PVA and PAA. It is characterized by excellent adherence to polyester fibre and less pollution to the environment, etc.
聚酯浆料是除（变性）淀粉、聚乙烯醇、聚丙烯酸（ 酯） 之外的又一类重要浆料，具有对涤纶纤维粘附性优异、环境污染小等特点。
Therefore PAA with Y-branched Cu nanowires can be used as a near-infrared micropolarizer, and this kind of micropolarizer would have a promising future in the field of photoelectricity integration.
因此，这种含Y形铜纳米线多孔铝膜可以用作近红外微偏振器，且将在光电集成领域有广泛的应用前景。
Therefore PAA with Y-branched Cu nanowires can be used as a near-infrared micropolarizer, and this kind of micropolarizer would have a promising future in the field of photoelectricity integration.
因此，这种含Y形铜纳米线多孔铝膜可以用作近红外微偏振器，且将在光电集成领域有广泛的应用前景。
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