查询词典 O2

The photooxidative degradation of Direct Fast Scarlet dyes in aqueous solution under solar irradiation by H 2O 2/ferrioxalate complexes has been studied.

以 H2 O2 /草酸铁络合物作光氧化剂，利用太阳光对水溶液中的直接耐酸大红进行了光氧化降解试验研究。

The optimal cultural conditions for producing phytotoxin were temperature 25℃, pH 6.5, cultured period 9-11d, enough darkness and dissolved O2, rotating speed. Crude toxin was obtained through large scale fermentation.

对培养基条件进行了筛选，确定了有利于该菌产毒的温度为25℃、pH值为6.5、培养时间为9～12天、足够的黑暗以及溶氧、转速等培养条件。

Demming B,Bjorkman O (1987). Comparison of the effect of excessive light on chlorophyll fluorescence (77K) and photo yield of O2 evolution in leaves of higher plants. Planta,171: 171～184Guo LW,Shen YG (1996). Protective mechanisms against photodamage in photosynthetic apparatus of higher plants. Plant Physiol Commun,32(1):1～8 in Chinese

孟庆伟等（1996）认为光呼吸可减轻光抑制，尤其在发生光合午休时更明显，而对光合作用却有反作用，Zelitch (1992)的研究表明光呼吸随温度的升高而升高，因此高蛋白小麦中午较强的光呼吸作用可能是其Fv/Fm下降较少，而净光合速率下降幅度较大的一个重要原因。

The effects of light intensity, temperature and pH on photosynthetic characters of Haematococcus pluvialis CG-11 were studied by measuring photosynthetic O2 evolution and fluorescence kinetics. The results showed that the saturation light intensity was 109.1 μmol/m2·s for H.

采用测定光合放氧速率和荧光动力学的方法，研究分析了光照强度、温度和pH对雨生红球藻Haematococcus pluvialis CG-11绿色游动细胞阶段光合作用特性的影响。

The wounded dogs were inflicted with50%TBSAⅢdegree flame burns.Arterial blood gas indices（pH,HCO3-,Pa O2-,Pa CO2-,Beecf）were analyzed dynamically at preburn,6,12,18and24h postburn hoursand compared with histopathological examination of the brain tissue respectively.

采用体表燃烧法将致伤组犬制成50%TBSAⅢ度创面，于伤前及伤后6，12，18和24h对各致伤组犬的动脉血气进行动态观察，并与病理组织切片对比分析。

In 500—1000 ℃, electronic hole conduction is dominant in dry and wet oxygen, air or nitrogen. Protonic conduction is dominant in wet hydrogen and it is about two orders of magnitude higher than that in hydrogen-free atmospheres.

在500~1000℃下，在干燥和潮湿的氧气、空气和氮气气氛中，样品以电子空穴导电为主；在潮湿的氢气气氛中，以质子导电为主，其电导率比不含氢气气氛（O2，air，N2）中的电导率约高两个数量级。

The crystal was obtained from the interaction system, NH4VO3/H2O2/ 2-(2′-pyridyl)imidazole, in aqueous solution under the physiological conditions, and the complex was characterized by solution NMR, IR, X-ray crystal diffraction and elementary analysis.

经NMR、IR、X-ray衍射和元素分析等谱学方法或分析手段确定其组成[NH4{OV(O2)2{2-(2′-Py)-Imi}·4H2O}]和结构，其51V的化学位移在单核双过氧钒化合物中是最大的。

A new diperoxovanadate crystal NH4{OV(O2)2{2-(2′-pyridyl)-imidazole}}·4H2O was synthesized.

在相互作用体系NH4VO3/H2O2/2-(2′-Py)Imi中合成了一种新的双过氧钒化合物。

With the new synthesized fluorescence reagent, a novel fluorescence quenching method for determination of superoxide radical was developed by coupling the reaction of pyrogallic auto-oxidation reaction.

合成了一种新的荧光探针试剂香草醛缩苯胺，利用元素分析、红外光谱等手段对探针试剂进行结构表征；结合部苯三酚的自氧化作用，建立了一种荧光法测定超氧阴离子自由基O2

O2 _www.snailol.com 56、 Some indispensable vegetables has been ratably portable and stable in a feeble babble.

有些不可或缺的蔬菜在虚弱的水池中变得非常轻便且稳定。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！