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请精通英语的大侠帮帮忙吧，帮我翻译一篇文章，专业词汇比较多，请不要用翻译器翻译的，一定要看的懂呀！

It has been previously reported that deactivation of Pd/C in a DFAFC occurs over a wide range of cell voltages, and with little potential dependence[5]. In this study, deactivation of the Pd/C electrode was performed in 10 M HPLC grade formic acid in a 3-electrode electrochemical cell by applying a potential of -0.1 V (vs.Hg/Hg2SO4) for 8 h. During this time, the formic acid oxidation current fell by a factor of 4, from ca. 28 mA to ca. 6.8 mA. Following deactivation, the Pd/C electrode was transferred to another electrochemical cell containing 0.5 M H2SO4 but no formic acid. A potential of -0.2 V was applied for 0.5 h to oxidize residue formic acid absorbed into the electrode. This potential is insufficient to reactivate the electrode [4,5]. Following this procedure, a voltammetric stripping experiment was carried out on the deactivated electrode by using a series of cyclic potential scans between -0.65 and 0.55 V in the 0.5 M H2SO4 solution (under the protection of nitrogen), and the first two scans are as shown in Fig. 1. It can be seen that the hydrogen adsorption/desorption peaks in the CV of the deactivated Pd/C electrode were significantly suppressed (before stripping). This indicates that there was a strongly adsorbed species on the electrode, but that the coverage was not complete, since hydrogen adsorption/desorption was still seen. Scanning of the potential to +0.55 V oxidatively stripped this species from the electrode in a broad peak at 0.28 V, with a shoulder at ~0.38 V.
In other experiments, the size of the stripping peak and the ratio of the peak to the shoulder both increased with the extent of electrode deactivation, which was controlled by both the deactivation time and the concentration of formic acid employed. The hydrogen adsorption/desorption peaks decreased with the extent of deactivation.
Since the stripping behavior seen in Fig. 1 strongly resembles that of CO, comparative experiments were preformed with CO.Stripping voltammograms were recorded following various exposure times to CO (the concentration was not accurately controlled)in the 0.5 M H2SO4 electrolyte. As with deactivation during formic acid oxidation, the suppression of the hydrogen adsorption/desorption peaks and size and shape of the stripping peaks changed with the extent of CO adsorption (i.e. exposure time). The changes were qualitative very similar to those seen with deactivation in formic acid. Fig. 2 shows the CO striping result that most closely resembles the voltammogram seen in Fig. 1. The similarity of these two voltammograms strongly suggests that the poison that slowly accumulates on Pd during formic acid oxidation is CO.In order verify that CO adsorption on Pd would suppress formic acid oxidation, an electrode poisoned with CO was used for formic acid oxidation.
Fig. 3 shows cyclic voltammograms (CV) of a Pd/C electrode in 0.5 M H2SO4/0.5 M HCOOH solution before and after adsorption of CO, as well as a CV after reactivation of the electrode by electrochemical stripping of the CO. It can be seen that the initially very active Pd/C electrode was seriously deactivated by bubbling CO into the solution. It became highly active again after the adsorbed CO had been oxidized by a cyclic potential scan between -0.65 and 0.55 V.
The poisoning species on Pd/C formed slowly during formic acid oxidation has been ‘isolated’ and electrochemical stripping studies indicate that it is almost certainly adsorbed CO.
Acknowledgements
This work was supported by the Natural Sciences and Engineering Research Council of Canada (NSERC) through a Strategic Projects Grant in partnership with Tekion (Canada) Inc., and by Memorial University.

Answer 1

外文理科课本咱也看过不少，你给的内容太多，粗译下，也许会有些专业术语不当，自己订正下吧。
此前曾有过DFAFC中的Pd/C在较大电池电压范围内失活并缺乏潜在电势的报道【5】。在此项研究中，Pd/C表现出失活在10M HPLC等级甲酸3电极电化学电池（应用潜在的-0.1 V (vs.Hg/Hg2SO4）8小时）。在此期间，甲酸氧化电流以4为因子从ca. 28 mA降至ca. 6.8 mA。随着失活，Pd/C电极转化为另一个含0.5 M H2SO4但无甲酸的电化学电池。-0.2 V电势被应用0.5 h来氧化被吸入电极的剩余甲酸，此电势不足以重新启动电极。一个关于失活电极的voltammetric 剥离试验被开展通过 -0.65 and 0.55 V之间的循环电势扫描在 0.5 M H2SO4 溶液中（氮气保护下进行），前两次扫描结果在图一。可以看出氢的吸收和析出峰值在失活Pd/C电极的CV中被明显抑制了（在剥离前）。这表明电极上有个强大的物种，但覆盖不完全，因为氢的吸收和析出依然存在。电势扫描至+0.55 V该物种从电极上的氧化剥离在0.28 V呈现宽的峰值，在~0.38 V呈现一个阈值。
其他试验中，剥离峰值的大小和峰值至阈值的比例都随电极失活程度而增加，程度由失活时间和甲酸浓度控制。氢的吸收析出峰值虽失活程度下降。
由于图一中的剥离很像CO，类似试验也用在CO上。剥离voltammograms被记录于多次暴露在0.5 M H2SO4 电解质CO（浓度控制不精确）中。和甲酸氧化中的失活一样，氢的吸收析出的峰值大小及剥离峰值形状随CO吸收程度变化（即CO暴露时间）。数值变化与甲酸中的失活很类似。图二表示CO剥离结果最像图一中的voltammogram。两个voltammogram之间的相似处显示出Pd上在甲酸氧化中缓慢聚集的毒素就是CO。为证明PD上CO的吸收会导致压制甲酸氧化，一个中毒的电极被用来做甲酸氧化。
图三表示Pd/C电极在0.5 M H2SO4/0.5 M HCOOH溶液中循环voltammogram（CV）在CO吸收之前和之后，以及一个CV在电极被CO电化学剥离重新激活的情况。可以看出起初非常活跃的Pd/C电极被吹进溶液中的CO严重失活。而它又恢复活性当被吸收的CO被在 -0.65 和0.55 V之间的循环电位扫描氧化时。Pd/C上的有毒物种在甲酸氧化被“孤立”时形成缓慢且电化学剥离研究显示它基本可以确定是被吸收的CO。
感谢
此工作由Natural Sciences and Engineering Research Council of Canada (NSERC)通过Strategic Projects Grant in partnership with Tekion (Canada) Inc，以及Memorial University支持。

感觉提供的材料很多拼写有问题，你自己再组织一下吧。

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拼写是没有问题的，主要是专业词汇不好翻译，谢谢你啦，如果没有更好的话分会留给你的

Answer 2

据此前报道，Pd / C催化剂失活在DFAFC中较广泛的电池电压时，依赖和潜力不大[5]。在这项研究中，钯/ C电极失活是在一个三电极电化学电池采用8一-0.1五（vs.Hg/Hg2SO4）潜力HPLC级10米甲酸小时在此期间，对甲酸氧化电流下降了4倍，从CA。二八毫安给CA。 6.8毫安。继失活，在Pd / C催化剂电极电化学电池转移到另一个含硫酸0.5米，但没有甲酸。阿-0.2 V电位为0.5小时应用于氧化成甲酸残留电极吸收。这种潜力不足以激活电极[4,5]。根据这一程序，一伏安溶出实验进行了失活通过使用0.5M的硫酸溶液的循环扫描电位-0.65和0.55之间串联五（在氮气保护下）电极，和前两个扫描作为如图所示。 1。可以看出，氢吸附/脱附在简历峰停用钯/ C电极均显着抑制（前剥）。这表明，在电极上有一个强烈的吸附物种，但该报道是不完全的，因为氢吸附/脱附，仍然看到。潜在的扫描到+0.55 V氧化剥夺了在0.28 V的宽峰这一物种的电极，用肩膀在0.38〜五
在其他实验中，溶出峰的大小和峰的比值肩膀都随电极失活的程度，这是由两者的失活时间和酸浓度控制甲酸就业。氢吸附/脱附峰随失活的程度。
由于剥离行为图看到。一强烈类似于一氧化碳，比较实验与CO.Stripping伏安预制记录以下各种曝光时间为CO在0.5米硫酸电解液（其浓度不准确控制）。正如在甲酸氧化失活，对氢吸附/脱附峰，大小及与CO的吸附（即曝光时间）程度上改变了溶出峰形状的抑制。质的变化非常相似，在看到那些甲酸失活。图。条纹的CO 2显示结果最接近图看到伏安。 1。这两个伏安相似有力地表明，在Pd毒药，慢慢地积累在甲酸氧化CO.In为了验证，二氧化碳吸附在Pd会抑制甲酸氧化，电极与CO中毒是对甲酸氧化的使用。

Answer 3

据此前报道，Pd / C催化剂失活在DFAFC中较广泛的电池电压时，依赖和潜力不大[5]。在这项研究中，钯/ C电极失活是在一个三电极电化学电池采用8一-0.1五（vs.Hg/Hg2SO4）潜力HPLC级10米甲酸小时在此期间，对甲酸氧化电流下降了4倍，从CA。二八毫安给CA。 6.8毫安。继失活，在Pd / C催化剂电极电化学电池转移到另一个含硫酸0.5米，但没有甲酸。阿-0.2 V电位为0.5小时应用于氧化成甲酸残留电极吸收。这种潜力不足以激活电极[4,5]。根据这一程序，一伏安溶出实验进行了失活通过使用0.5M的硫酸溶液的循环扫描电位-0.65和0.55之间串联五（在氮气保护下）电极，和前两个扫描作为如图所示。 1。可以看出，氢吸附/脱附在简历峰停用钯/ C电极均显着抑制（前剥）。这表明，在电极上有一个强烈的吸附物种，但该报道是不完全的，因为氢吸附/脱附，仍然看到。潜在的扫描到+0.55 V氧化剥夺了在0.28 V的宽峰这一物种的电极用肩膀，在0.38〜五
在其他实验中，溶出峰的大小和比例该峰的肩膀都随电极失活的程度，这是由两者的失活时间和酸浓度控制甲酸就业。氢吸附/脱附峰随失活程度.
由于图看到的剥离行为。一强烈类似于一氧化碳，比较实验与CO.Stripping伏安预制记录以下各种曝光时间为CO在0.5米硫酸电解液（其浓度不准确控制）。正如在甲酸氧化失活，对氢吸附/脱附峰，大小及与CO的吸附（即曝光时间）程度上改变了溶出峰形状的抑制。质的变化非常相似，在看到那些甲酸失活。图。条纹的CO 2显示结果最接近图看到伏安。 1。这两个伏安相似有力地表明，在Pd毒药，慢慢地积累在甲酸氧化CO.In为了验证，二氧化碳吸附在Pd会抑制甲酸氧化，电极与CO中毒是对甲酸氧化的使用。

图。 3显示了由图中可以看出有限公司剥离电化学循环伏安（CV）的钯/ C在0.5米H2SO4/0.5 M甲酸溶液前后电极对CO的吸附，以及个人简历后，电极活化最初是非常积极的Pd / C电极严重停用该解决方案由通入二氧化碳。它成为高活性吸附CO后再次被氧化成一循环电位扫描-0.65和0.55之间五
对中毒物种Pd / C催化剂的氧化过程中形成甲酸慢慢已经'孤立'和电化学剥离的研究表明，它几乎是肯定的吸附与Tekion有限公司
致谢
这项工作是由自然科学和工程研究加拿大（NSERC）理事会通过了一项战略合作项目的资金支持（加拿大）有限公司，和纪念大学。

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