查询词典 bleaching liquid

In this paper, the properties,generation and application of singlet oxygen were introduced briefly,especially,some study and attempt utilized singlet oxy- gen for pulp bleaching in recent years were Introduced in detail.

相关研究表明，单线态氧对木素具有较强的降解能力，在漂白过程中具有较好的选择性，尤其是采用光催化法制备单线态氧用于纸浆的漂白，化学药品消耗少，对环境友好，进一步深入研究将具有广阔的应用前景。

By experiment, we can concluded that stabilizers, chelatingagents, activators are necessary. 2.5%～5% sodium silicate,0.25%～1% magnesium sulfate,1%～2.5% citric acid,1.5%～2% OOBS are appropriate for peroxy bleaching.

通过实验证实，在过氧漂白中，稳定剂、漂白活化剂、螯合剂是必不可少的添加剂。2.5%～5%的硅酸钠、0.25%～1%的硫酸镁、1%～2.5%的柠檬酸、1.5%～2.5%的OOBS对于过氧化氢开释活性氧起到稳定或活化的作用，达到较好的漂白效果。

Bleaching of rutin was also observedunder 380～490nm, which indicated the destroying of the colorific system of rutinduring its reaction with peroxyl radicals.

在380～490nm观察到了芦丁的褪色反应，这表明在芦丁与有机过氧自由基反应的过程中其发色体系受到了破坏。

Based on a new, patent- pending polymeric phosphonate, this digester additive controls the metals that interfere with bleaching and with the sulfur chemistry of a kraft cook.

基于这项新的待申请的磷酸酯聚合物。这项消化添加剂能够控制干预牛皮纸蒸调的硫化处理和漂白的金属。

In this paper the studies are focused on the puling technology, pulping mechanism, black liquor recycling and alkaline-oxygen pulp bleaching.

本论文对麦草氧碱制浆特性、制浆机理、制浆黑液回用及氧碱浆的漂白特性等进行了初步研究。

The department has begun to "De-tat Longkou fans" sampling. Longkou fans for the incident was found formaldehyde sulfoxylate experts,"formaldehyde sulfoxylate" is a toxic industrial bleaching agent, there are serious side effects to the human body.

昨天，北京市食品安全办通报说，烟台德胜达龙口粉丝有限公司生产的龙口粉丝中被检出&甲醛次硫酸氢钠&，昨天下午，记者紧急联系事发地的山东省招远市质量技术监督局，该部门已经开始对&德胜达龙口粉丝&进行抽检。

Keywords: laccase; Laccase/Mediator system; kraft bamboo pulp; totally-chlorine-free bleaching; veratryl alcohol

动力学。关键词：漆酶；漆酶/介体系统；硫酸盐竹浆；TCF漂白；黎芦醇

The electrochemically mediated bleaching of aspen kraft pulp with violuric acid as the mediator was investigated in this paper.

结果表明，采用钌钛涂层电极为阳极，不锈钢为阴极，以紫脲酸为介体对杨木硫酸盐浆进行无隔膜电化学处理，能有效脱除纸浆中的残余木素，而浆的黏度损失较小。

Zooxanthellae isolated from these two corals also had different bleaching rate in cultured condition under light. Those of A.

在简单轴孔珊瑚的白化过程中，各类不同的色素会因为环境的压力而有不同的变化趋势。

The same phenomenon was also observed in laboratory experiment A. austera bleached within two days in 33℃. The bleaching process included losing the number of zooxanthellae and the reduction of the pigments in zooxanthellae.

而实验室中的白化实验也发现：简单轴孔珊瑚在水温33℃时，第二天即开始白化，而白化时珊瑚不仅共生藻数目会减少，其单位共生藻的色素量也会减少。

It has to be computed by the host for the actual clock rate.

主控制器可以用来计算实际的时钟速率。

Let's see what you got.

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