The distribution of microfibril spiral angle and relative orientational index of cellulose crystallites in cotton fibre cell walls had been studied by X-ray diffraction analysis.
用x射线衍射法对棉纤维细胞壁的微原纤螺旋角和纤维素微晶相对取向指数在植株中的分布规律进行了研究。
But cell constant, diffraction site and intensities have been changed.
但晶胞常数，衍射峰的数目和强度却发生了变化。
Neutron diffraction data of palladium electrode in heavy water electrolysis cell have been collected under the balance condition of absorption and evolution of deuterium.
在吸、放氘达到动态平衡条件下，实时收集了重水电解池中钯电极的中子衍射数据。
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