Experiment research synthesis of additive by chemical conversion of lignin sulfonate introduced.

The aim of the pulp industry is to remove lignin and cellulose.

制浆行业目标是脱除木质素,留下纤维素.

The reaction with lignin.

与木素的反应.

Alkali lignin is an abundant, cheap and renewable resource.

碱木素是一种来源丰富 、 价格低廉的可再生资源.

The more densely packed the fibers and lignin, the stronger the bamboo.

纤维和木质素结合越紧密, 竹子就越坚韧.

Corn stalk is composed of cellulose, hemicellulose and lignin.

玉米秸秆主要由纤维素 、 半纤维素、木质素组成.

The corn stover mainly consists of cellulose, hemicellulose and lignin.

玉米秸秆主要由纤维素 、 半纤维素和木质素组成.

The high purity of guaiacyl lignin in Douglas fir fiber.

而且花旗松纤维的愈创木基木质素含量较高.

The crane lignin has the anti-mutagenesis and the anti-allergy characteristic.

香叶木素具有 抗 诱变和 抗 变应性特性.

The study of the applications of lignin in and agriculture are investigated.

介绍了木质素在工农业等领域应用的研究现状.

Lignin is a characteristic component of secondary walls.

木质素是次生壁成份的特征.

A new syntan product prepared with tar phenol and lignin sulfonic acid.

以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂.

In Han lignin that direct way, higher reliability, more convenient and safe.

在韩沙宁看来,这种直接的方式, 可信度更高, 也更方便、安全.

The slurryability of lignite and its mixture with different percent of petroleum coke have been investigated.

考察了褐煤的单独成浆性及其加入不同比例石油焦的共成浆性.

Therefore, the conventional gas content measurement is invalid to lignite.

因此, 传统的煤层气含量确定方法不适用于褐煤.

Lignite and peat show acid when mixing with water.

褐煤和泥炭遇水后呈现酸性.

The free gas in the lignite matrix is more than 50 percent of total gas.

实验表明,褐煤对甲烷的吸附能力很低;褐煤基质中的游离气含量通常占总气含量的50%以上.

The basic properties of extract and utilization of lignite were also investigated.

研究了萃取物的基本性质,探讨了残煤的利用途径.

Minerals are mainly graphite and magnesium, while lignite, iron, oil and natural gas.

矿产主要有石墨和镁, 另有褐煤 、 铁 、 石油和天然气等.

This paper describes the principles and methods of extracting humic acid product from lignite.

摘要论述了褐煤中提取腐殖酸产品的方法及原理.

In the lignite matrix , the porosities are mainly and macroporosities.

褐煤基质中的孔隙以中孔、大孔为主.