脱氧作用

Objectives To detect the methylation of P15(superscript INK4B) gene in patients with myelodysplastic syndromes and to investigate the demethylating effects of decitabine and arsenic trioxide (As2O3). Methods The bone marron mononuclear cells from 14 MDS patients were collected.

目的 检测骨髓增生异常综合征患者P15(上标 INK4B)基因甲基化状况；探讨5-氮杂－2'-脱氧胞嘧啶和三氧化二砷(As2O3)对MDS患者细胞的去甲基化作用。

The infrared spectra data in substitution of praseodymium for Yttrium in 123 system are similar to that in the decreasing of oxygen content in the YBCO system and the disappeared optical modes can reappear when the content of Pr increases.

Pr的加入类似于在YBCO中脱氧的作用，也能使消失的光学活性模重新显现。

The fact that wastewater has higher chromaticity removal efficiency in acid medium than in basic medium indicates that H+ ions play an important role in chromaticity removal ,possibly by a mechanism of deoxidation in which H+ ionsreact with the organic compound of pollutants in wastewater and cause the chain rupture of chromophoric or anxochromic groups from the organic compound molecules.

事实已经废水色度去除效率高，比在酸性介质中显示基本氢离子色度去除起到了重要作用，可能的机制脱氧其中氢离子的反应有机化合物废水和污染物链条断裂造成anxochromic色或团体从有机化合物分子。

Objective To study partial biochemical characterization and effect of lumbricus dornases.

：目的研究地龙体内两种新型脱氧核糖核酸酶的部分生化性质，并对其作用进行初步探索。

The arteriolar and capiullary density, and the expression of MMP-2/TIMP-2 protein were employed to evaluate in the subendocardial myocardium of the left ventricular tissue.

目的 探讨基质金属蛋白酶－2(MMP-2)在脱氧皮质酮－盐型高血压大鼠心脏微小血管重塑中的作用及麝香保心丸对其的影响。

Objective This study was performed to observe the effect of microvascular density,and the expression of MMP-2/TIMP-2 in the subendocardial myocardium of DOCA-salt Hypertensive Rats left ventricle under the intervention of bosentan,and to evaluate the signifance of expression of MMP-2/TIMP-2 and the role of endothelin-1 on the expression of MMP-2/TIMP-2 in DHR heart.

目的探讨基质金属蛋白酶-2(MMP-2)在脱氧皮质酮-盐型高血压大鼠心脏微小血管重塑中作用及其可能的调节机制。

It was based on the enhancement of the intensity of RLS by the synergistical action of phloxine B,fsDNA and cetyltimethylammonium bromide.

研究了阴离子染料荧光桃红 B对鱼精脱氧核糖核酸和阳离子表面活性剂溴化十六烷基三甲铵的共振光散射光谱有协同增强作用，建立了一种定量测定fsDNA的灵敏度高、操作简便的共振光散射方法。

A highly sensitive resonance light scattering method for the determination of fsDNA was developed. It was based on the enhancement of the intensity of RLS by the synergistical action of phloxine B, fsDNA and cetyltimethylammonium bromide.

研究了阴离子染料荧光桃红B对鱼精脱氧核糖核酸和阳离子表面活性剂嗅化十六烷基三甲按的共振光散射光谱有协同增强作用，建立了一种定量测定fsDNA的灵敏度高、操作简便的共振光散射方法。

Methods After treated with a specific demethylating agent,Aza and acetylating agent, TSA, the status of 5'CpC island methylation of ING1b gene in HT29 human colon cancer cell line was analyzed using methylation specific polymerase chain reaction,and the level of histone acetylation was analyzed by chromatin immunoprecipitation,and reverse transcription polymerase chain reactionwas used to examine ING1b mRNA expression.

应用特异性DNA甲基转移酶抑制剂5-氮-2'-脱氧胞苷（5-Aza-2'-dc，以下简称Aza）及组蛋白去乙酰化酶抑制剂曲古抑菌素A作用人结肠癌细胞株HT29后，用甲基化特异性PCR检测该ING1b基因核心启动子区域CpG岛甲基化情况，用染色质免疫沉淀检测其乙酰化组蛋白绑定的DNA情况，并用逆转录聚合酶链反应检测ING1bmRNA表达。

The slag-adjusting agent has the function of slag adjust.deoxidation,desulfurization and encrusting matter removal in steel so that it has greatly improved the quality of casting block.

由于该调渣剂有改渣、脱氧、脱硫及去除钢渣中夹杂物的作用，因此大大改善了铸坯质量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。