lignin的例句大全

In this study, the leaves of transgenic silver birch are used as the materials, what is used to analyze the effect of decomposition by changing the lignin component of transgenic plants, and the possibility of transgene horizontal transfer.

本文以转COMT（咖啡酸-O-甲基转移酶）基因白桦为材料，研究由于转基因使木质素成分改变对白桦环境降解的影响，以及转化的目的基因水平转移向土壤环境微生物的可能性。

The Role of Several Low-molecular-weight Compounds Involved in Lignin Degradation

多种小分子物质在木素降解中的作用研究进展

Study on determination fruit weight, fruit shape index, hard-shell structure, moisture content, organic extracts, polyphenols, lignin and cellulose content of different strains.

对不同品系核桃坚果的单果重、果形指数、硬壳结构以及硬壳中的水分含量、有机抽出物、多酚、木质素、纤维素含量进行测定比较。

Relationship between the hard-shell structure and each ingredient in the shell, the results showed that the content of lignin is not only positively correlated with seal grade and mechanical strength, also very significantly correlated with the thickness of shell.

对不同品系核桃坚果硬壳结构与硬壳中各成分含量的相关性分析表明：木质素含量与缝合线紧密度、机械强度之间显著正相关，木质素含量与硬壳厚度极显著正相关。

methods for study chromophores in lignin during the bleaching process

漂白过程中木素发色基团的研究方法

The difference in cellulose content between yellow-and black-seeded lines was not obvious during the growth of seed, but the differences in lignin content and hull percentage was up to highly significant level.

在种子发育进程中，种皮纤维素含量在黄、黑籽间的差异不显著，而皮壳率及种皮木质素含量在黄、黑籽间的差异达显著水平。

Study on the Bonds between Lignin and Cellulose by()~ ( 13) Carbon Isotope Tracer Method

~（13）C同位素示踪法研究木素与纤维素连接键的形成

Determination of the Content of Phenolic Hydroxyl Groups in Lignin and Pulp with FC-Method

FC法测定木素和纸浆中的酚羟基

The carboxylic groups in hemicellulose and the phenolic hydroxyl and ester groups in lignin are the major bonding sites for copper, as confirmed by FTIR.

另外，经FTIR证实，铜与木材作用时，主要是半纤维素中的羧基团和木质素中的酚羟基及芳基酯基与铜成键。

There are large amounts of phenyl hydroxyl groups and a-carbonyl available in the residual lignin of poplar APMP pulps by using' H-NMR spectra analysis.

对杨木APMP浆残余木质素进行了~1H NMR测定，结果表明，残余木质素结构中含有大量的对酚羟基基团和α羰基等结构。

Wheat straw oxygen alkaline lignin has more alcohol hydroxyl, so it is advantageous to synthesize lignin-based polyurethane ( LPU).

麦草氧碱木素含有较多的醇羟基，更适合木素型聚氨酯的合成。

In addition, compared with acidic lignin from stalk, aliphatic hydroxyl content of the lignin from pith was higher, phenolic hydroxyl and methoxy content were lower;

另外，与秆部木素相比，髓芯木素中醇羟基含量较高，酚羟基和甲氧基含量较低。

Oxygen alkaline wheat straw lignin was modified by reacting with hydroxypropyl, the reactivity of the modified lignin which had more phenolic and alcoholic hydroxyls and diisocyanate was increased.

将麦草氧碱木素与环氧丙烷反应得到改性木素，其酚羟基和醇羟基含量增加，提高了木素与二异氰酸酯的反应性能；

As a main component of black liquid from papermaking industries adopting alkaline pulping, the high-efficient utilization of alkali lignin focuses on how to improve the chemical reactivity caused by its plentiful methoxyl and few aliphatic hydroxyls.

碱木质素是造纸工业碱法制浆黑液的主要成分，其甲氧基含量较高，醇羟基含量较低，导致化学反应活性低，因此提高其反应活性成为碱木质素高效利用的关键。

The results indicate that compared with reed lignin, residual lignin in reed kraft pulp had higher contents of oxygen and phenolic and alcoholic hydroxyl groups, lower contents of methoxyl group, residual carbohydrates and total aldehydes after alkaline nitrobenzene oxidation.

研究发现，苇浆残余木素比起芦苇木素具有较高的氢含量和较低的氧含量；较低的甲氧基含量和较高的酚羟基和醇羟基含量；

High boiling solvent ( HBS) lignin is a renewable natural polymer with a lot of ethanol hydroxyl groups and phenol hydroxyl groups in the molecular structure, which shows better chemical activities.

高沸醇木质素是一种天然可再生的高分子材料，在分子结构中含有大量的醇羟基和酚羟基，具有较高的反应活性。

chinese silvergrass is suitable as materials for producing fuel ethanol due to its high content of decomposable cellulose and hemicellulose, totally more than 80 percent, only 19 percent is unmanageable materials, such as phenyl compounds, lignin.

芒草含有80%以上的可降解的纤维素和半纤维素，仅含有19%的不被酸降解的苯环化合物，木质素，适于作为生产燃料乙醇的原料。

the chemical modification of lignin and 1,2-epoxy propane in the presence of alkali metal hydroxide and organic solvent and the catalyst, the reaction should be carried out at temperature above the glass transition temperature of lignin.

经纯化后的木质素与环氧丙烷进行化学改性，加入适当的碱金属氢氧化物、溶剂、引发剂对改性反应有利，改性温度高于木质素的玻璃态温度。

this study utilizes the supermolecular feature of lignin and modifies it. the surface groups of modified lignin action macromolecule protein, were removed them as flocculent precipitate thereby to increase non-biological stability of beer.

利用木素的超分子特性，并通过改性而使其表面基团与高分子蛋白质作用，进而将其絮凝沉淀除去，从而提高啤酒的非生物稳定性。

It was investigated about effects of nutrient conditions on lignin peroxidase ( LiP) activity.

研究营养条件对白腐菌合成木素过氧化物酶（lignin peroxidase，LiP）的影响。