氧化物

A microbial fuel cell by Geobacter metallireducens was used to investigate the influence of the three paths on the rate of dissimilatory iron reduction.

以Geobacter metallireducens还原铁氧化物为实验体系，利用微生物燃料电池考察了以上三种方式对异化还原铁氧化物的影响。

The paper consist of four chapter, In chapter 1, the research advances of cholesterol oxidation products in food was reviewed, including the formational mechanism of cholesterol oxidation products, its species, contents and preventives as well as analytical methods and results comes from COPs forming during in processing or storage.

本文共分四章：第一章对食品中胆固醇氧化物的研究进展，包括胆固醇氧化物的形成、种类及含量、加工过程中应采取的预防措施以及分析检测方法等进行了综述，共引用文献31篇。

The average valence of copper in high temperature superconductor was determined by double iodometric titration,then oxygen content also can be calculated.

双碘滴定法是通过定高温超导氧化物中铜的平均价态，计算出氧化物中氧含量的一种方法。

Then the contents of brain tissue water, malonyl diadehyde and the activities of Na+-K+-adenosine triphosphatase (Na+-K+-ATPase), Ca2+-Mg2+-adenosine triphosphatase (Ca2+-Mg2+-ATPase), CuZn-superoxide dismutase and mitochondrial Mn-superoxide dismutase were measured.

测定脑组织含水量、丙二醛含量、钠钾三磷酸腺苷酶(Na~+-K~+-ATPase)、钙镁三磷酸腺苷酶Ca~(++-Mg~-ATPase、铜锌超氧化物歧化酶以及线粒体锰超氧化物歧化酶的活力。

The highly dispersed and shape-controlled molybdic oxide/silica nanostructured complex oxides were synthesized by reverse microemulsion-gel method.

结果表明，MGS的形成必须具备如下条件：在均一稳定的反相微乳体系中，MoO3/SiO2纳米复合氧化物前驱体能形成效果良好的复合凝胶。不同的后处理方式对纳米复合氧化物形貌的影响最大。

The dust around PG 2112+059 contains large quantities of rock-forming minerals, including crystalline forms of silica, a form of aluminium oxide called corundum (better known on Earth as the principal ingredient of rubies and sapphires) and a form of magnesium oxide called periclase.

PG 2112+059类星体周围的尘埃含有大量形成岩石的矿物，包括硅晶石，被称作刚玉的铝氧化物（更为通俗易懂的说法是红宝石和蓝宝石的主要成分），以及镁氧化物——方镁石。

Thirdly, The preparation of 3-aryl-5-substituted-ethenyl isoxazoles and l-isoxazolyl-2-isoxazolinyl substituted-ethenes was developed through 1, 3-dipolar cycloaddition of nitrile oxides,α-alkylation reaction and another 1, 3-dipolar cycloaddition of nitrile oxides based on polystyrene-supported propargyl selenide.

三、从聚苯乙烯负载的炔丙基硒醚出发，经过腈氧化物的1，3-偶极环加成反应、α-烷基化反应和腈氧化物的1，3-偶极环加成反应固相分别合成了3-芳基5-取代--乙烯基异噁唑和1—异噁唑—2—异噁唑啉取代的-乙烯。

In this paper, the pyrogallic method is adopted.

但是迄今为止有关在微环境中研究超氧化物歧化酶活性的报道却很少，究其原因，主要是其作用底物超氧化物阴离子O〓〓·是一种寿命极短的自由基，不能象一般底物那样直接加入到体系中，只能通过间接手段得到，比如通过邻苯三酚自氧化法产生，这无疑给研究增加难度。

The purpose of the present work is to find one or two epoxide hydrolase-producing microorganism with high enantioselectivity towards racemic epoxides from the nature and to make researches on the characterization and application of the enzymes.

本研究的目的就是要从自然界中寻找到一到两株能高对映选择性地拆分外消旋环氧化物的环氧化物水解酶产生菌，并对酶的性质和应用进行研究。

The concentrations or activities of selenium,copper,zinc and MDA or GSH-Px,SOD ,CuZn-SOD and CAT in infested and healthy Rangifer tarandus sera were detected respectively in order to explore relationship between C.trompe infestation and metabolism of oxygen free radical. Results were as follows.

为探讨驯鹿狂蝇蛆病与机体氧自由基代谢的关系，分别对感染驯鹿和健康驯鹿血清中的微量元素硒、锌、铜、谷胱甘肽过氧化物酶、超氧化物歧化酶、铜锌超氧化物歧化酶、过氧化氢酶和脂质过氧化终末产物丙二醛的含量进行了测定。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。