phloem parenchyma是什么意思

用法例句

The research progress of enzymatic degumming and retting for bast fibres pulping is reviewed in this paper,the external factors on retting of bast fibre are also summarized from biology.

介绍了韧皮纤维酶法和发酵浸渍法脱胶制浆的研究进展,从生物学角度对影响发酵浸渍法脱胶制浆的主要因素进行了综述。

The breaking length of the handsheets made from the hozo white bast fibre was 2998 m,.

３个菌株混合发酵红麻皮、构皮等韧皮纤维，５ｄ可成浆。

Screening of complex-enzyme-producing strains on Broussonetia papyrifera white bast fiber;

光叶楮韧皮纤维生物制浆菌种的选育

According to the classification of pectinase and its action mechanism,the process conditions and effect of pectinase on bio-pulping of bast fiber material are introduce.

综述了果胶酶在制浆造纸上应用的研究进展,从果胶酶系的分类和脱胶机理的角度出发,介绍了果胶酶及其相关微生物在韧皮纤维原料酶法和发酵浸渍法制浆中的作用条件和作用效果,着重介绍了果胶酶在湿部化学上降低阳离子需求量的作用,同时讨论了外界因子对其提高细小纤维和填料留着率效果的影响,并指出果胶酶对纸浆物理性能的影响。

The structure,composition of pectin and the mechanism of bio-degumming are briefly introduced in this paper,the application,research progress of enzymatic degumming and retting for bast fibers pulping are particularly summarized.

简单介绍了果胶的结构、化学组成及生物脱胶机理,详细总结了韧皮纤维酶法和发酵浸渍法脱胶制浆的研究、应用和发展情况,并对影响发酵浸渍法制浆原料和脱胶菌株的特性,特别是脱胶过程中主要外界因子进行了综述。

Measurement for the Transportation Velocity of ~(14)C Photosynthate in Phloem of Phellodendron chinense;

~(14)C同化物在黄柏韧皮部的运输速率测定

Efficient Methods for Genomic DNA Extraction from Phloems of Deciduous Trees;

从落叶果树韧皮部提取DNA

Differences in mineral nutrients content in xylem and phloem sap between cotton cultivars with different boron efficiency;

不同硼效率棉花品种木质部和韧皮部汁液中矿质养分的差异

The Ultracytochemical localization of Ca2+-ATPase during the phloem ganglion development in Phyllostachys edulis(Carr.

De Lehaie]节部韧皮部结"发育过程中Ca2+-ATP酶进行了超微细胞化学定位研究。

The development, cytological characters and ultrastructure of phloem ganglion in the nodal region of Phyllostachys edulis (Carr.

deLehaie)节部“韧皮部结”的个体发育、构成该结构细胞的形态学特征及其超微结构 ,探讨了该结构可能的生理功能。

The developmental anatomy, cytochemistry and physiological function of phloem ganglion in the node of phyllostachys edulis (Carr.

de　Lehaie)“韧皮部结”发育解剖学、细胞化学及其主要生理功能进行研究,结果如下:　在光镜下观察,“韧皮部结”位于节部韧皮部分叉处,发育过程中细胞形态发生较大变化,并以此为据将“韧皮部结”的发育过程分为三个时期:形成期、发育期和成熟期。

Based on the systematic analysis of the chemical constituents of banana stem, enzyme-chemical combined degumming method was chosen to refine fiber from the banana stem.

在系统分析香蕉韧皮化学成分的基础上,采用酶—化学联合脱胶工艺对香蕉韧皮的脱胶工艺进行了研究,并结合对脱胶所制得的纤维各项指标的测试与分析,确定了最佳的脱胶工艺。

In this work, hemp bast and flax cloth were used to prepare activated carbon fibers under different activation conditions.

本文以汉麻韧皮和亚麻织物为原料，在不同的活化条件下制备出活性炭纤维样品。