铁离子

体外抗氧化实验说明，EGCG磷脂复合物仍具有较强的DPPH自由基清除能力，铁离子还原能力、ABTS自由基清除活性和还原能力，中等强度的超氧自由基的清除活性。

The antioxidant activities of EGCG-phospholipid complex were evaluated by various methods in vitro , which showed strong DPPH radical scavenging , ferric ion reducing capacity , ABTS radical scavenging activity and reducing power , moderate reducing superoxide radical scavenging activity . 3 .

单因素试验测定结果表明，酶解工艺条件的改变会影响蜂王浆酶解产物清除DPPH的活性和还原铁离子的能力。

Results of single factor test showed that enzymatic hydrolysis conditions would affect the scavenging activity of DPPH and reducing power of ferric ion of RJ hydrolysates .

在本文的x值范围内，理论与实验符合得很好，证实了铁离子间存在反铁磁的交换耦合。

It is shown that there is an antiferromagnetic exchange coupling among Fe ions .

用于检测铁离子的PVC膜的初步研究

A preliminary study on plasticized PVC membrane for iron (ⅱ) ion 's detection

结论在牵牛花色素的利用过程中要注意pH和铁离子的影响。

Conclusion : More attention should be paid to pH and ferric chloride in using morning glory pigment .

在ph值7.0―7.5时，一经曝气亚铁离子很容易转化为铁离子。

Conversion of ferrous to ferric iron occurs readily upon aeration at PH 7 . 0-7 . 5 .

螯合铁离子吸收剂处理H2S恶臭气体的研究

Study on a Chelated Iron Absorbent for H_2S Odor Control

选取了过渡金属Fe作为掺杂剂，采用溶胶-凝胶法制备了铁离子掺杂的纳米二氧化钛光催化剂。

Transition metal Fe was selected to prepare the Fe-doped nanometer TiO2 by using the sol-gel method .

模型组出现自由铁离子和MMP-9表达。

In model group Fe iron ion and MMP-9 express were arisesed .

水热法合成掺杂铁离子的小管径TiO2纳米管

Preparation of Fe-doped TiO2 Nanotubes with Small Diameter by Hydrothermal Method

水热法制备掺杂铁离子的TiO2纳米粒子及其光催化反应研究

Preparation of Iron-doped TiO_2 Nanocrystal by Hydrothermal Method and Its Photocatalytic Properties

铁离子掺杂TiO2基自洁净玻璃的制备及性能

Preparation and Characteristics of Self-cleaning Glass Coated Fe-TiO_2 Thin Film

铁离子在Tl系1223超导相中的分布研究

The Distribution of Iron Ions in Tl-system 1223 Phase Superconductor

影响啤酒冷混浊形成的主要因素有铁离子、溶氧、pH值、CO2等。

The main factors influencing the formation of beer chill haze included iron ion , dissolved oxygen , pH value , and CO2 etc.

本文不但揭示了p阻滞剂阿替洛尔在模拟天然水体中光降解规律，而且发现了腐殖质与其它天然水体成分如硝酸根、铁离子和单壁碳纳米管具有相互的影响。

The paper found the photodegradation law of atenolol in simulated natural water and also discover the interaction between humic substances and other natural water components such as nitrate , iron ions and SWNT .

应用紫外可见吸收光谱法研究细胞色素C（FecytC）活性中心铁离子在pH71的磷酸缓冲液中与4种微量元素M（Ⅱ）的直接相互作用。

The direct interaction between the metal ion in the active center of cytochrome C ( Fecyt-C ) and four trace elements in pH 7.1 phosphate buffer by UV spectrometry has been studied .

本文着重讨论了钢铁表面化学钝化的机理以及在钝化过程中钝化剂浓度、钝化温度、pH值、氯离子、铁离子等因素对钝化效果的影响。

Mechanism of chemical passivation on iron and steel surface and effects of passivator concentration , temperature , pH value , chloric and ironic ions on passivation process are discussed .

结果表明，脑局部铁离子浓度增高可能诱导Alzheimer病样智能损伤和病理学变化。

These results suggest that a local higher concentration of iron in brain may induce Alzheimer-like impairment of intelligence and pathological changes .

此外，对活性炭和离子交换树脂对溶液的纯化效果，以及有屏蔽剂A存在时pH值对铁离子平衡浓度的影响进行了研究。

The effects of the activated carbon and the ion exchange resins , and the effect of pH value in the presence of the shielding reagent on the purification were investigated .

说明IRT蛋白可以作为一种铁离子转运体补偿铁转运体双突变株的功能。

This result implied that the IRT protein might be an iron transporter .

在本实验中利用了PEG与铁离子相互作用，从而指导四氧化三铁生长成一维纳米结构。

In this section , we take advantage of the interaction between iron ions and PEG , which directs the growth of one-dimensional nanostructure .

铁离子沉积到TS-1上，影响TS-1的稳定性；

The iron ion would affect the stability of TS-1 when it was deposited on TS-1 ;

方法：EM患者48例及对照组15例的血清和腹腔液，运用铬天青S的方法测定铁离子浓度。

Methods : serum and peritoneal fluid of 48 patients with endometriosis and 15 controls were collected , the iron concentration were detected by spectrophotometer .

对不同温度下铁离子浓度随时间变化的曲线进行拟合，结果表明浓度随时间变化逼近于指数函数，拟合过程中R均为0.985以上。

Fit the curve of iron concentration curve , the results show that the concentration change over time is similar to the exponential function . Fitting over the course of R are 0.985 .

循环水中钙加碱的浓度或pH值提高时，腐蚀速率下降，铁离子浓度升高或细菌个数增加时，腐蚀速率升高。

The results also indicate that corrosion rate decreases with increasing of pH or Ca2 + and OH - concentration , and increases with increasing of Fe3 + ion concentration or bacillus quantity .

结果牵牛花色素对热稳定性高，在不同pH值溶液中显示不同的色调，且金属离子中仅铁离子对其有一定影响。

Results : Although it showed good hot stability , the morning glory pigment displayed different colors in solutions of different pH and was influenced only by ferric chloride in all detected metal ions .

Fe-Cu体系催化剂中铁比的测定及其对催化剂性能的影响铁离子的比色测定

Effects of Ferrous Iron-Ferric Iron Ratio on Fe-Cu Catalyst

尽管土壤中含有铁离子，但铁离子的ESR信号宽化且没有类似于Mn2+离子的hfs特征，所以铁离子不适合于作本研究的电子自旋探针。

Iron ion is not suitable for electron spin probe research , because there are no hfs in ESR spectra sach as Mn 2 + .

并研究铁离子浓度、液气比和气体SO2浓度等对脱硫效率的影响。

The effects of the concentration of ferric inos , the ratio of liquid to gas and the concentration of SO 2 etc on the desulfuration efficiency have been studied .

ACF表面碱性基团是影响铁离子吸附的主要因素。

Furthermore , it was found that the basic surface of ACF was the major factor affecting the adsorption for Fe ~ ( 3 + ) .