The reduction activity of nitrate and the formation of ammonium are mainly controlled by the diffusion limitation and the mass transfer of the reactants.
同时，催化剂的活性和选择性受到扩散限制和质量传输的影响。
For the first part, TTC reduction activity and regrowth ability of tobacco suspension cells were used to decide the treatment time and suitable temperature of heat shock and heat stress.
本研究的结果主要分为三个部分：第一部分，利用TTC还原力和细胞再生能力来确定适宜的热激诱导和高温胁迫强度及持续时间。
Among other benefits, our users see this value in terms of a reduction in costs, increase in agility, and a tighter alignment between business objectives and technical activity.
在众多好处中，我们的用户见证了这些解决方案在降低成本、提高敏捷性和严格调配业务价值和技术行为方面的价值。
He added that there was a 37% reduction in serum amyloid - a marker of inflammation in mice - suggesting that vegetable consumption may inhibit inflammatory activity.
他还补充到，老鼠身上炎症状态的标志——血清淀粉减少了37%，暗示食用蔬菜可抑制炎症活性。
Three-quarters of the reduction has been the result of less industrial activity, with the rest coming from countries turning to.
四分之三的减排源于工业活动减少，剩余部分来自于部分国家转向可再生能源和核能。
The GNFs show excellent electrocatalytic activity toward the oxidation of methanol and the reduction of oxygen.
在甲醇的氧化和氧气的还原反应中，金纳米花显示出优良的电催化活性。
Researchers appear to have implied that people can lose weight during a recession due to a reduction in eating and increasing physical activity.
研究人员暗示说，由于摄入食物的减少和体力活动的增多，人们在经济萧条时期体重会下降。
According to the authors, the reduction in COPD among smokers due to moderate to high levels of physical activity was 21 percent of potential new cases.
根据作者的看法，吸烟者由于进行适当的高体力活动减少COPD的发生占可能新发病例的21%。
Conclusions: Aspirin preconditioning has neuroprotective effects for the subsequent ischemic cerebral injury. Its mechanism may be the inhibition of NOS activity and the reduction of NO release.
结论：阿司匹林预处理对随后的缺血性脑损伤具有保护作用，其机制可能是抑制NOS活性，减少NO释放。
And brain scans corroborated the self-reports, showing a reduction of activity in the amygdala, an area responsible for processing emotions.
脑部扫描结果发现负责处理情感的扁桃腺的活动下降，因而也证实了这个自我反馈的真实性。
Similarly, the trough corresponds to the last time period where there is reduction in the economic activity.
同样，低谷对应的最后一个时间段，有减少的经济活动。
Compared with conventional reduction, the reduction time is greatly shortened and catalyst activity after reduction is much better.
与常规还原法相比，快速还原法大大缩短了还原时间，且还原后催化剂活性更好。
These results suggest that oxygen free radicals may damage the activity of cytochrome oxidase, the reduction of which may play an important role in the injury of renal ischemia and reperfusion.
提示氧自由基可能损害细胞色素氧化酶活性，细胞色素氧化酶活性降低在肾缺血再灌流损伤中可能起重要作用。
The benefical effect of MHTA may be associated with inhibition of NOS activity and reduction of NO release.
并抑制NOS活性，减少NO的生成。 这可能是颈动脉灌注大剂量山莨菪碱治疗效果的作用机制之一。
Chromium treatment significantly decreased nodule Numbers, nodule fresh weight, leghemoglobin content and nitrogenase (acetylene reduction) activity per plant or per gram of nodules.
铬还使单株固氮酶活性(乙炔还原法测定)显著降低，用高浓度铬处理者克瘤固氮活性也显著降低。
The both stresses decreased the SOD activity of flag leaf in the late stage of filling, GABA increased the activity under high temperature, which showed same effect of reduction in MDA content.
高温和紫外辐射均引起灌浆后期旗叶SOD活性降低，在高温条件下GABA处理提高了旗叶中SOD活性上升，与MDA含量降低一致。
Reduction of rates of surgical site infections promises to be an area of intense interest and activity in the foreseeable future.
降低手术部位感染的发生率是人们十分关注的领域，并且在可以预见的将来仍会是临床的热点问题。
Major questions regarding N2O reduction in soil are still to be investigated in more detail before the global role of soil N2O sink activity and its dynamics can be properly evaluated.
关于N2O减少的主要问题对土壤将在土壤n2o水槽活动之前的全球性角色较详细地仍然被调查，并且它的动力学可以适当地被评估。
If a risk is selected for reduction of probability or mitigation of its impact, plan this activity by breaking it into task work items and link each to a risk work item.
如果选取风险以进行机率的减少或是冲击的降低，请规划这项活动，将它分解成工作的工作项目并且每个都连结到风险工作项目。
Finally the relation of evolution of coastal zone and human activity was discussed through studying tidal flat developments and the Jiaozhou Bay's actual area reduction.
最后从滩涂开发利用和胶州湾面积不断缩小两个方面着手，探讨了青岛地区海岸带演变与人类活动的关系。
The reduction property of the catalysts in H_2at different temperatures has been correlated with changes of catalytic activity.
使用热重仪研究了载体及催化剂在H_2气流及不同温度下的还原特性。
Moreover, the super molecular film showed good catalytic activity for the reduction of NO_2~-in acidic solution and the catalytic mechanism was described.
该膜电极对酸性溶液中的NO_2~-有明显的电催化还原作用，初步探讨了电催化机理。
Their electrocatalytic activity at oxygen reduction electrode were investigated by steady polarization curves method.
并采用稳态极化曲线考察不同催化剂的氧还原催化活性。
Pre-reduction can deactivate the activity of catalyst.
预还原则降低了催化剂的活性；
The high yield technique on the rice ridge cultivation were discussed from soil structure, water-thermal regime, oxidation-reduction potential and microorganism activity in paddy soils.
本文从土壤结构、水分、温度、氧化还原电位以及微生物活性等方面分析了水稻半旱栽培技术增产的原因。
The slackness in the partition wall activity (not provided in this paper), however, reduced with the reduction in the size of mason class II.
该涣散，在隔墙活动(没有提供这一文件)，但是，减少与规模的缩小梅森II级。
In study people discover that some high Tc superconductive materials exhibit high catalytic activity for gases oxidation or reduction.
人们在研究中发现高温超导材料对许多气体的氧化还原反应有很强的催化能力。
The effect of impregnation method, impregnation solutions, loading content of Pt, reduction temperature and the carbon pre-treatment on the activity was discussed.
考察了浸渍方法、不同浸渍液、贵金属含量、还原温度、载体的预处理等因素对对氯硝基苯加氢还原反应的影响。
This dissertation studied the activity of manganese oxides catalyst supported by palygorskite catalyst in lower temperatures for selective catalytic reduction of NO and its physic-chemical properties.
本文研究了凹凸棒石负载锰氧化物催化剂的物理化学性能和低温选择性催化还原NO性能。
Volatile oil plays the major role in anti - inflammation, analgesia and the reduction of the activity of uric acid through the combination and compatibility of all the components.
各部位组合配伍后，挥发油在抗炎、镇痛、降尿酸活性上均起主要作用。
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