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High resolution Nd isotopic evolution can be acquired through studying foraminifera, fossil fish debris and FeMn oxides.

通过有孔虫壳体、鱼化石碎片和沉积物中FeMn氧化物组分可以进行高时间分辨率的古海水Nd同位素演化示踪。

IGCC, which would first gasify coal then generate power with gas turbines, can reach efficiencies of 45 percent, and would emit few particulates or oxides of sulfur. IGCC could thus help China take full advantage of its plentiful coal supplies while minimizing air pollution.

该技术可先将煤气化，然后再驱动燃汽轮机，效率可达45%，也可减少粉尘和二氧化硫排放，借此中国可以最大限度利用充分的煤炭供应同时减少空气污染。

It was found that lead oxides (including PbO and Pb〓O〓) reacted chemically with PTFE when heated in vacuum, generating PbF〓, element C, and lead carbides.

研究表明，铅氧化物（包括黄色氧化铅PbO和红色氧化铅Pb〓O〓）在无氧加热条件下均能同PTFE发生化学反应，生成PbF〓、单质C以及铅的碳化物。

Our team, including geochemist George Cody and petrologist Hatten S. Yoder, has focused on the possibility that metabolism can proceed without enzymes in the presence of minerals—especially oxides and sulfides.

我的研究团队包括地质化学家科迪及岩石学家约德，我们的研究焦点集中在：生物代谢过程是否可以在没有酵素，只有矿物的条件下进行？

The preparing of Al2O3-MxOy hard-faced ceramic composites had been carried out by means of plasma thermal spraying and the poly-oxides ceramic coating was prepared on the substrate by means of coating and sintering method.

本文主要介绍了用等离子喷焊法制备Al2O3-MxOy硬面陶瓷复材的技术，同时也简要介绍了涂覆烧结法在基材(A3钢)上制备多元氧化物复合陶瓷涂层的技术。

It is the intense heat of lightning that forces the nitrogen to combine with oxygen in the air, forming nitrogen oxides that are soluble in water and fall to the earth in rain as dilute nitric acid.

闪电的高温是氮和空气中的氧化合成能溶于水的氧化氮，随雨水进入土地，稀释成硝酸。

The oxides with spinel and peroskite structure are the key active components for phenol hydroxylation, and higher contents of them have the higher reaction activity.

形成的尖晶石或钙钛矿结构为苯酚羟基化反应的活性相，具有良好晶态的复合氧化物催化剂的反应活性较高。

Ordering of spheres, filling of interstices in colloidal crystals with precursor and removal of the template are all key factors for the synthesis of the 3DOM complex oxides.

其中，胶体晶体模板的组装、前驱体的填充以及模板的去除都是制备3DOM复合氧化物的关键影响因素。

Results In measurement with improving five-step iodometry method,it was optimal that the total concentration of the oxides in the sample solution was 1000-3000 mg/L and the sample volume was 2-5 ml.

结果改进五步碘量法测定中，样品溶液中氧化性物质的总浓度在1000-3000mg/L，取样量为2-5ml为佳。

The progress of catalysts, which include composite-oxides catalysts and heteropoly compounds catalysts, for selective oxidation of isobutylene to methacrolein were summarized, the mechanism of this reaction on Mo-Bi catalysts was discussed.

本文综述了异丁烯选择氧化生成甲基丙烯醛催化剂，其中包括复合氧化物催化剂和杂多化合物催化剂等的研究现状，讨论了在Mo-Bi催化剂上异丁烯选择氧化生成甲基丙烯醛的反应机理。

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。