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The mechanism of the reduction of SO 2 by NH 3 to elemental sulfur over Ti0 2 MeO x catalysts is assumed.

结合活性评价和XRD表征结果提出了NH3 分解Claus反应的机理。

This thesis investigated the influence of the structure of LHTO on thermalcracking reaction by using elemental analysis,NMR,GPC,Quinoline-lnsolubles analysis and micropolariscope .

本文利用元素分析、核磁共振波谱分析、相对分子质量分布分析、喹啉不溶物分析和偏光显微镜测试等试验方法研究了辽河稠油的组成结构特点对热转化反应过程的影响。

The structures of the target molecula were characterized by IR, 1H NMR, 13C NMR, 2D NMR and elemental analysis.

为合成这些新化合物还合成了10个相关的中间体化合物。

The structures of the target molecula were confirmed by IR, 1H NMR, 13C NMR, 2D NOESY, MS and elemental analysis.

通过IR、1H NMR、13C NMR、2D NOESY、MS及元素分析确定了目标产物的结构。

Considering the disadvantages of the elemental iron-based matrix, a partial alloyed Fe-Ni-Cu-C powder and an iron-based monophase fcc structure alloy were used for substituting the cobalt, and the experimental results were encouraging.

针对上述缺点，提出了用Fe-Ni-Cu-C部分预合金化及单相fcc结构合金代Co的方案，并在实验室中取得了较好的结果。

Cells of K4-1 are irregular cocci with monotrichous flagella. The strain grew aerobically in either a lithotrophic or a heterotrophic mode. Growth on elemental sulfur occurred through oxidation of sulfur.

该菌株细胞形态为不规则球形，有单生鞭毛，严格好氧，兼性自养，能利用元素硫作为能源，也能利用酵母膏、精氨酸或核糖作为碳源和能源。

The alkaline-earth metal complexes with mucic acid was successfully prepared via gel formation and characterized by elemental analysis,FT-IR measurements.

结果表明，粘液酸的两个羧基和四个羟基均能参与配位键的形成，而中心离子 Ca~(2+)、Sr~(2+)、Ba~(2+)与配体粘液酸的配位状况存在着一定差异。

Elemental and intravenous total parenteral nutrition dietinduced gut barrier failure is intestinal site specific and can be prevented by feeding nonfermentable fiber［J］.

精氨酸增强的胃肠外营养在结直肠癌患者中的应用及临床意义［J］。肠外与肠内营养，2003，10（3）：156159，162。［9］陈思曾，林永堃。谷氨酰胺强化肠外营养支持对结肠癌老年患者术后并发症的影［J］。

MAIN OUTCOME MEASURES: In vivo degradation performance and ossific capability of PHBV copolymer as well as energy-dispersive X-ray analysis and elemental quantitative assay in bone defect regions.

主要观察指标：①聚羟基丁酸/羟基戊酸共聚酯的体内降解性能和成骨能力。②骨缺损区X射线能谱分析及元素定量测定。

Three bipolar-transporting materials containing carbazole and aryl oxadiazole groups bridged with 1,2-ethylene were synthesized and characterized by 1H NMR, 13C NMR and elemental analysis.

设计合成了三种1，2-亚乙基桥联咔唑和2，5-二芳基-1，3，4-噁二唑衍生物的双极传输材料，并通过核磁氢谱、碳谱、元素分析表征了它们的分子结构，研究了它们的紫外-可见吸收、光致发光、电化学和热稳定等性能。

The two-acre Dunbar Community Garden in Little Rock has served as a model for several years.

几年来，坐落于小石城，占地两英亩的邓巴社区菜园树立了一个标杆。

Jerry points to the jacket hanging in the bathroom. It's ruined, and unwearable What?

杰瑞指着洗手间里挂着的夹克，毁了，不能穿了）什么？