| 1. | The hydrogen source used is high purity of 99 . 9999 % . for comparison , the annealing treatments were processed under ambient pressure in air and nitrogen atmosphere respectively
在kno3溶液中进行液相搀杂的纳米碳管，其储氢能力明显提高，并且随掺杂浓度增加而提高。 |
| 2. | In air atmosphere , cu2o in molten cu corrodes si3n4 / sic quickly . in nitrogen atmosphere or some slipcover existing , cu corrosion resistance of si3n4 / sic is very excellent
在空气介质中， si _ 3n _ 4 sic抗侵蚀性能较差；在氮气介质中或有覆盖剂保护时，陶瓷材料具有优良的抗侵蚀性能。 |
| 3. | Equipment lianfeng magnet industry co . , ltd . nowpossesses advanced instruments which includes : nitrogen atmosphere push kilns and the elevator kilns , auto - pressing machines , mirror lap machines and other advanced testing instruments
公司拥有国内先进的全自动氮气保护推板窑和钟罩炉生产线以及自动压机镜面磨床等完善的辅助设备以及国外引进的各类测试仪器试验设备。 |
| 4. | Irradiation defects decompounded and recombined with oxygen impurity and large quantity of nucleation centers were introduced in czsi bulk during annealing at 1100 . in nitrogen atmosphere , more defects were induced in fast neutron irradiated czsi than in argon atmosphere
不同气氛下快中子辐照直拉硅中缺陷形成的差异很大， 1100的高温退火中，与氩气氛相比，氮气氛退火样品中出现了更多缺陷。 |
| 5. | We found that the cz silicon wafers preannealed by rtp in nitrogen atmosphere are significantly characteristic of ncz silicon wafer , that is , the n - o complexes related stds are also generated in the cz wafer subjected to rtf in na and subsequent proper heat treatments
研究发现，氮气氛下高温rtp处理的cz硅样品在后续热处理中表现出了掺氮硅的退火特性，进而证明了在氮气氛下rtp处理中氮发生了内扩散。 |
| 6. | The main results are as follows : 1 . ynthesize the carbon / nickel oxide compound aerogel by sol - gel . it becomes aerogel electrode through heating , aging , followed by supercritical drying from carbon dioxide and subsequent pyrolysis in an inert nitrogen atmosphere
本文的主要研究内容归纳如下： 1 .采用sol - gel法合成碳/氧化镍复合气凝，经过丙酮置换、二氧化碳超临界干燥、炭化等过程制成复合碳气凝胶电极。 |
| 7. | Two new in - situ nitrogenation techniques were used for the rapidly solidified fesiz - based thermoelectric materials for the first time in the present work , i . e . , the nitrogenation of the powders before vacuum hot - press , and the nitrogenation during the hot - press in a pure nitrogen atmosphere
本项研究中，首次采用两种独创的快速凝固fesi _ 2基粉末原位氮化技术： “粉末氮化/真空热压”技术和“氮气保护热压”技术。 |
| 8. | Additional annealing experiments in nitrogen atmosphere revealed that the heavily damaged region with hydrogen - induced defects appears to be the adsorption center for the outside oxygen to diffuse into the silicon during the high - temperature annealing process , and consequently , broaden the thickness of the box layer . this important finding may provide a possible solution to reduce the cost of the conventional simox - soi wafers while maintaining a desirable box thickness
独特设计的氮气氛退火及分步退火实验证明了原注入样品的缺陷层中氢及氢致缺陷的存在使得在退火过程中加速外界气氛中的氧扩散进来，并成为强捕获中心使扩散进来的氧滞留于缺陷层从而促使氧缺陷层中的氧沉淀生长，加速了高温退火中的内部热氧化过程，从而形成了比传统相同剂量simoxsoi厚得多的氧化埋层。 |
| 9. | The influence of nano - al2o3 on the sintering and the properties of the si3n4 ceramics was researched in this paper . the samples with different amount of nano - al2o3 were obtained by using pressureless sintering at 1600 , 1650 , 1700 in the nitrogen atmosphere . the microstructure and the composition of the ceramics were determined by the means of x - ray , sem , micro - hardness meter etc . it is show that the sisty ceramics can be densified at 1650c to % percent of the theory density through the addition of nano - al2o3 ( the value could be 90 percent by other technique ) . the crystalline growth of the cylindrical - si3n4 and the ratio of its longitude to its diameter are increased with the addition of nano - al2o3 . a uniform microstructure and an fined crystal as well as more sialon phases can be obtained in the si3n4 ceramics through the addition of that
实验结果表明：在碳管炉中、氮气保护下进行烧结，添加剂为纳米al _ 2o _ 3粉末时，由于纳米粉末的高活性、高烧结驱动力，在1650就可使si _ 3n _ 4完全地烧结，并使其致密度可达理论密度的96以上(比其它工艺高6左右) ；同时，纳米al _ 2o _ 3地加入大大促进了长柱状? si _ 3n _ 4的生长和发育及柱状晶长径比的提高，使微观结构均匀、细化，形成了更多力学性能优异的固体? sialon相，减少了不利于陶瓷材料性能的晶间玻璃相，净化了晶界。 |
| 10. | The tlow distance and gelating time of the nanocomposites were shorter than that of the pure pf , which meet the standard of the pf used in frictional materials . compared to the pure pf , the silica7pf nanocomposites exhibited excellent heat stability only in nitrogen atmosphere , however , so do vermiculite / pf nanocomposites in both nitrogen and air atmospheres . compared to the brake pad based pf resin , the wear rate of the present one based with silica / pf nanocomposite decreased obviously , especially in high temperature
用烷基铵ctab和kh - 560对蛭石进行有机化处理，通过原位聚合法制备了酚醛树脂接枝改性sio _ 2纳米复合材料、酚醛树脂kh - 560改性sio _ 2纳米复合材料、酚醛树脂ctab改性蛭石纳米复合材料、酚醛树脂/ kh . 560改性蛭石纳米复合材料，采用ftir 、 xrd 、 afm和tg分析与流动距离、凝胶化时间的测试，研究了所制备的酚醛树酯纳米复合材料的结构、固化行为和热稳定性能，并研究了以酚醛树酯纳米复合材料为基体的刹车片摩擦磨损性能。 |
