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Under the experimental conditions, the evaluation of catalytic activity on direct decomposition of NO show that the presence of Cu is necessary for improving activity at 600~800℃ among La0.9Ce0.1Fe(subscript 0.8-x)Co0.2YO3(Y=Cu, Zn, Ni) series, and in which L.a0.9Ce0.1Fe0.7Co0.2Cu0.1O3 has the highest activity, the conversion of NO decomposition maintains 80% and nearly 100% at 750℃. H2-TPR result proves that the higher activity is related to the mobility of lattice oxygen which is beneficial to the reproduction of active site for NO decomposition.

在实验条件下，对NO的活性测试结果表明，L0.9Ce0.1Fe(下标 0.8-x)Co0.2YO3(Y=Cu， Zn， Ni)系列催化剂在600~800℃范围内，掺杂Cu的复合氧化物具有较高的催化分解活性，其转化率始终保持在80%以上，反应温度为750℃时，几乎100%转化。H2-TPR结果证明，其催化分解活性高的原因是Cu的掺入使晶格氧活动性增强。

In this paper, NO is generated by negative pulsed discharge between needled and plate electrodes in dry air at the atmospheric pressure, Some of the important parameters affecting concentration of NO and NO2 have been investigated. These include the pulsed discharge frequency, the distance between electrodes and electrode polarity.

脉冲电弧放电是产生医用吸入性NO 的一种新方法，因此，本研究采用负脉冲电弧放电，以大气压下的干燥空气为原料，研究了放电频率、电极间距和电极极性等参数对NO 和NO2浓度的影响。

Based on the aim to make up the impercipience of NO in DN, the role of NO in DN was studied in some depth here through three different ways, i.e. in vitro, in vivo, and the Mendels genetic means.

为了有助于弥补人们当前对NO与DN认识的不足，本课题拟从体外、体内实验和群体遗传学三个角度对NO在DN中的作用机理进行深入研究。

They include: 1. A supersonic beam of NO molecule mixed with Ar atom is ionized by VUV synchrotron radiation from Hefei Light Source at National Synchrotron Radiation Laboratory.

它们包括： 1。首次利用国家同步辐射实验室合肥光源的真空紫外同步辐射，使NO分子和Ar原子混合物的超声分子束发生光电离，测量了Ar，NO和异类团簇Ar·NO的光电离效率谱。

RESULTS: Compared with NS control group, the ratio of HW/BW, LVW/BW and the content of hydroxyproline, AngⅡ, MDA and iNOS activity in the left ventricle were significantly increased. The cNOS, SOD, GSH-Px activities and NO content were obriously decreased in the ISO model group. After treatment with PNS, the left ventricular NO content, cNOS, SOD and GSH-Px activities were markedly higher than those in ISO model group. The content of MDA, AngⅡ and iNOS activities and the ratio of HW/BW, LVI were significantly lower than those in ISO model group.

结果：ISO模型组大鼠的HW/BW、LVI、左心室HyP、AngⅡ、MDA含量和诱生型NOS活性显著高于生理盐水对照组，SOD、GSH-Px及结构型NOS活性和NO含量明显比生理盐水对照组低；PNS治疗组左心室心肌组织中NO含量、cNOS、SOD和GSH-Px活性明显高于ISO模型组；MDA和AngⅡ含量及iNOS活性和心脏重量指数比ISO模型组低。

Physiological and biochemical changes of monocotyledonous plant maize (Zea mays L.) were studied and the protective effects of nitric oxide against iron deficiency induced injury were analyzed simutaniously. The plants were grown in monofactor controlled solutions using solution cultural method and the full expanded fourth leaves were used in all of the experiments. The biochemical and the molecular mechanisms of iron induced injury and the protective mechanisms of NO against iron deficiency induced injury were studied.

本实验以溶液培养单因子控制方法研究了单子叶植物玉米在缺铁培养条件下结构、生理、生化的变化以及NO对缺铁植物的保护作用，发现了缺铁胁迫对植物损伤的生理生化及分子机理，以及NO在植物缺铁胁迫下对植物的保护机制，对于植物的缺铁研究和NO在植物中的保护机制研究都有极其的理论和实践价值。

A new catalytic kinetic method with second derivative oscillopolarography detection for determining trace amounts of NO〓〓 has been developed. The method is based on the catalytic oxidation of Amarath by potassium bromide in the diluted H〓SO〓. The detection limit of the method is 2.8×10〓g/ml, the linear range of the determination 〓is 0.6～14ng/ml for NO〓.

首次研究了鸡冠红的示波极谱行为，并发现NO〓〓在稀硫酸介质中对KBrO〓氧化鸡冠红褪色反应具有强的催化作用，本文采用两阶导数示波极谱法作监测技术，测定了该催化体系的表观反应级数及动力学方程，建立了催化动力学伏安法测定痕量NO〓〓的新方法。

This study examined the effect of the HO inhibitor zinc protoporphyrin Ⅸ on the expression of neuronal NOS mRNA and protein and also the plasma NO content in rats with recurrent FS. The goal was to study the effect of CO on the NOS/NO system.

本研究观察HO抑制剂锌原卟啉Ⅸ对FS大鼠海马神经元型NOSmRNA和蛋白表达及NO含量的影响，以探讨CO对NOS/NO体系的调节作用。

So just as you don't say "YES YES YES" when you mark a behavior you don't say "NO NO NO" when you give a negative reinforcer.

因此正像你不能在作正面标记时多次说"YES"一样，你也不能在作否定标记时多次说"NO"。

High concentration of SO〓 did not interfere the determination of NO〓 because SO〓 was eluted later than NO〓. The effects of the concentration of sodium borate and CTAB on separation were also examined.

由于加入甲醇后，SO〓在NO〓后出峰，有利于河水中高浓度SO〓存在下，少量NO〓的测定，同时也考察了硼砂和CTAB的浓度对分离的影响。

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。