During green liquor pretreatment-kraft pulping process, both pretreatment and kraft cooking variables influence the carboxyl groups content of the pulp.
绿液预处理和硫酸盐蒸煮工艺参数影响纸浆的羧基含量。
Treatment of ground pulp with lipase was investigated to reduce resin content of pulp.
本研究用脂肪酶对磨木浆进行处理,以降低浆料中树脂含量。
Adopting bicomponent retention system greatly improved filler retention rates, thereby increasing the amount of filler to increase the content of filler in paper, lower pulp consumption and costs.
通过改用助留系统,大大提高填料留着率,从而提高纸张中填料的含量,降低浆耗和成本。
At the same bulk lignin content level, the surface lignin coverage was found to be higher in the non - wood pulp than in the softwood pulp.
在总木素含量相同的条件下,非木浆的表面木素覆盖率要高于针叶木浆。
The results showed hydroxyethylated pulp has higher resistance to beating than origin pulp. The reasons rested with the change of fiber shape, hemicellulose content and fines content.
结果表明羟乙基化浆的打浆抗拒力明显高于原浆,其原因主要在于纤维形态的变化、以及纸浆中半纤维素含量及细小纤维含量的变化。
Compared with the original pulp, resin content of the treated ground pulp with lipase under optimum condition decreased by 52.58 % and strength of the treated pulp increased in varying degrees.
在脂肪酶最佳处理工艺条件下,磨木浆与原浆相比,树脂含量下降了52.58%,而强度均有不同程度的提高。
The pulp has a comparatively high resin content, since the acid cooking liquor dose not remove the resinous matter found in the wood.
由于这种酸性蒸煮液不能去除木材中的树脂类物质,所以浆料中树脂含量相对较高。
Lignin content in the pulp descreases, while carbonyl and phenolic hydroxylgroups in the residual lignin increase, and so do carbonyl groups in polysaccharides, after theactivating treatment.
经活化处理后纸浆中木素含量降低,残余木素中的羰基和酚羟基增多,聚糖中的羰基也增多。
Carboxyl groups content of various pulp suspension were determined by conductivity titration method, detailed investigation was carried out, some points for attention in determination were suggested.
采用电导滴定法测定了不同浆种的羧基含量,并提出了测定过程中需要注意的事项。
Ash Content of wheat straw pulp during Soda-AQ cooking and effect of cooking conditions on ash Content are studied.
本文研究了麦草在烧碱-蒽醌蒸煮过程中灰分的变化及蒸煮条件对浆料灰分含量的影响。
The research content included the renewal of secondary fiber's activity, the effective removal of gluey materials and the bleaching of high-kappa number pulp made of secondary fiber.
研究内容包括:二次纤维活性的恢复、胶粘物的有效去除以及高硬度二次纤维纸浆的漂白。
Proanthocyanidin content in pineapple peel was about 5 times to fruit pulp, and the total phenol content was approximately 50% higher, chlorophyll mainly exists in peels.
菠萝果皮中原花青素含量是果肉的5倍,总酚含量高约50%,叶绿素主要存在于果皮中,这些物质是引起带皮榨汁法比去皮榨汁法产品褐变严重的主要原因。
Due to large content of silicon, semi-cellulose and non-fiber elements, the black liquids of wheat straw alkaline pulp showed a higher viscosity.
由于草浆中含有大量的硅、半纤维素和杂细胞,碱法草浆的黑液粘度较大。
Enrichment of platinum in ore was completed by adoption of active carbon and paper pulp in certain acidity. The content of platinum was determined by DDO spectrophotometry method.
采用在一定酸度下的活性炭,纸浆完成对矿石中的铂的富集,用DDO光度法测定铂的量。
Resistant to storage and transportation. Carmine compact pulp texture riched in juicy. The central soluble solids content is 11.5%, no hollow, good quality.
果肉大红色,肉质致密,多汁,中心含糖量11.5%左右,品质佳,不空心,不倒瓤。
The dryness and mass flow rate of inlet pulp have much effect on distribution of dried plant fibers, so the suitable preceding water content ratio is 376%.
进入干燥系统的竹纤维浆料含水率和载带率对干燥后竹纤维原料的分散性影响较大。
The dryness and mass flow rate of inlet pulp have much effect on distribution of dried plant fibers, so the suitable preceding water content ratio is 376%.
进入干燥系统的竹纤维浆料含水率和载带率对干燥后竹纤维原料的分散性影响较大。
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