English translation for "sample composition"
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- 样品构成
Related Translations:
- Example Sentences:
| 1. | The spectral lines emitted from these species can be used to determine the sample composition . the wavelengths observed are characteristic of the individual elements present in the sample , and their intensities are related to the concentration of the corresponding species in the sample
高功率密度的激光使样品表面汽化，产生处于激发态的原子和离子，而激发态原子和离子的发射谱线可用于样品成分的鉴定，发射谱线的强度与该原子对应的元素在样品中的含量有关。 | | 2. | The sample composition was analyzed by means of tg and x - ray diffraction . the following conclusions can be drawn from the experiments : given conditions , the sample powder that has the same xrd data as the standard fetioa can be gotten when use any method mentioned above ; the key in synthesis is to avoid the oxidation of fe2 + , so the whole process should performed under vacuum or neutral atmosphere , samples used by this study were prepared under nitrogen atmosphere ; the heat - treated time and temperature have some influence on the sample powder , results show that the proper time and temperature is 120 minutes and 1100 respectively
研究结果表明：在合适的反应条件下，用上述三种合成方法都能得到xrd数据与标准fetio _ 3物相基本吻合的粉体；合成反应需要克服的主要问题是防止体系中fe ~ ( 2 + )的氧化，因此，整个反应必须在真空或者非氧化性气体保护下进行，本研究需要的样品是在高纯从保护下合成的；煅烧的时间和温度对最终的产物也有一定的影响，研究发现：合理的煅烧时间和温度分别为120分钟和1100 。 |
- Similar Words：
- "sample collection" English translation, "sample collection bag for dilution air" English translation, "sample collection tube" English translation, "sample collector" English translation, "sample compartment cover" English translation, "sample concentration" English translation, "sample concentration method" English translation, "sample concentrator" English translation, "sample concentrtion" English translation, "sample condensation" English translation
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