nitrogen atmosphere

AlN crystals were grown by modified sandwich sublimation method in nitrogen atmosphere.

采用改进的升华法在氮气环境下制备氮化铝单晶体.

The graft copolymerization of acrylamide onto xanthan gum initiated by ammonium persulfate in aqueous medium was studied under a nitrogen atmosphere.

以过硫酸铵为引发剂，在氮气保护下，研究了黄原胶与丙烯酰胺的接枝共聚反应。

The thermal decomposition of MF foam has only a large peak in nitrogen atmosphere and in air atmosphere. The peak temperature of weight loss increases with the increase of heating rate.

MF泡沫具有良好的热稳定性。MF泡沫在氮气气氛下和空气气氛下只有一个大的分解峰，失重峰温随着升温速率的提高而提高。

In this paper the process of the thermal stabilization of polyacrylonitrile ( PAN) fibres pretreated with cuprous Chloride ( CuCl) have been studied in air and nitrogen atmosphere by in-situ infrared spectroscopic method.

本文用原位红外光谱法考察了用氯化亚铜（GuCl）预处理过的和未处理的聚丙烯睛（PAN）试样在空气和氮气条件下热稳定化过程。

The stabilized polyacrylonitrile fiber was prepared by the method of liquid-phase stabilization carbonized in nitrogen atmosphere.

通过液相稳定化法制备了聚丙烯腈稳定化纤维.

Furnace Brazing Technique of Aluminium-alloy Case for Airborne Electronics in Nitrogen Atmosphere

机载电子设备铝合金箱体氮气保护钎焊工艺

DZ formed in the sample that annealed in nitrogen atmosphere.

经历氮气氛预处理的辐照样品中有一定宽度的清洁区形成。

Surface nitridation of titanium was induced by pulsed laser irradiation in nitrogen atmosphere.

介绍了在氮气气氛下，用脉冲激光照射钛表面实现钛的诱导氮化的实验结果。

The test results show that nitrogen atmosphere is favorable for the ball-milling synthesis of lithium metal nitrides.

研究发现氮气气氛有利于高能球磨法制备锂金属氮化物材料。

Element Ti powders was milled in nitrogen atmosphere using Spex high energetic ball miller and examined by means of X-ray analysis and SEM observation.

采用Spex型振动式高能球磨机在氮气中球磨Ti粉，采用X射线衍射和扫描电镜分析产物的相结构和形貌。

The calculation formula for determination of nitrogen in CZ Si grown under nitrogen atmosphere by infrared absorption lines related to nitrogen at 963, 996, 1 018 and 1 027 cm-1 was given and the samples were measured with RSD 5%~ 20%.

提出了利用直拉硅中与氮有关的特征红外吸收峰963、996、1081－1及1027cm－1确定直拉硅中氮含量的计算公式，并进行了多种样品实测。