1. Genetic variations on tracheid microfibril Angle of 55 Chinese fir clones were investigated.
对55个杉木无性系管胞微纤丝角的遗传变异进行了研究。
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2. Tensile strength is mainly controlled by tracheid length, tracheid strength, microfibril angle and crystalline degree etc.
顺纹抗拉强度主要受管胞长度、管胞强度、纤丝角度、结晶度等因子的控制。
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3. The broad sense heritability estimates of clones varied between 0.734 and (0.867), indicating the microfibril angle was under strong genetic control.
广义遗传力变化为0.734~0.867，微纤丝角无性系间的差异受很强的遗传控制；
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4. It indicates that there are significant differences for microfibril Angle, basic density, bending strength and rate of shrinkage of poplar 63 and poplar 69 by variance analysis.
5. 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。
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6. The recent progresses in cellulose synthesis, the functions of relative enzymes and microfibril in process of cellulose synthesis were reviewed. The studies in cellulose synthesis were prospected.
7. The recent progresses in cellulose synthesis, the functions of relative enzymes and microfibril in process of cellulose synthesis were reviewed. The studies in cellulose synthesis were prospected.
