查询词典 bleaching agent

Younger leaves faded green and lusterless; older leaves marginal scorch, interveinal blotchy chlorosis, necrotic patches bleaching and withering; characteristic of some soil acidity conditions.

甜菜锰和铝合并中毒：幼叶褪绿失去光泽，老叶边缘枯黄，脉间有坏死褐色斑点，接着白化，枯萎。这是酸性土壤特有的。

The three towns of Xiangzhi,hongshan,Jinshang in Shishi city have 84 industrial enterprises,mainly specialized in the develop the heavy pollution industries such as dyeing and finishing,bleaching and dyeing and electroplating.

石狮市的祥芝、鸿山和锦尚三镇集控区现有工业企业84家，着重发展以印染、漂染、电镀为主的重污染企业，现有的小锅炉分散不集中，造成对环境大气较严重的污染。

The sub-acute toxicity test was conducted for CEH bleaching effluent containing AOX upon eggs and larvae of Sparus macrocephalus.

用含AOX的造纸漂白废水对人工养殖的黑鲷鱼卵和早期仔鱼进行了毒性实验。

NOBS PAG , can obviously activate hydrogen peroxide thus , the efficiency of hydrogen peroxide bleaching can be advanced greatly .

研究结果初步表明，此类有机酰化剂类如：四乙酰乙二胺，四乙酰甘脲，异壬酰氧基苯磺酸钠，五乙酰葡萄糖等有着非常明显的活化过氧化氢的作用，从而能在很大程度上提高纸浆过氧化氢漂白的效率。

From activated sluge of SBR system, to obtain dominant mixed bacteria, such as Nocardia and Pseudomonas by screening and acclimatization. When mixed and applied to degradation experiment of bleaching wastewater, degradation of chloride aromatic compounds very well.

从SBR系统的活性污泥中筛选、培育得到优势菌，经组合后，选取具有高效降解芳香族化合物的优势混合菌即假单胞菌和诺卡氏菌的组合菌，应用于造纸漂白废水的氯代芳香族化合物的降解实验。

Laccases are able to oxidise both phenolic and nonphenolic compounds. They have broad ranges of subsrate specificity. Therefore, they are very useful for applications on pulp bleaching, textile dye decolouration, effluent detoxification, bioremediation and biosensors.

由于漆酶能够氧化芳香类化合物和其它一些非芳香类有机物，具有广泛的底物特异性，因此在纸浆漂白、纺织品染料脱色、有毒废弃物的去除、生物修复和生物传感器等方面具有巨大的应用潜力。

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。

World War II: Battle of Saipan - Americans take Saipan.

1944年的今天，美国在塞班战役中拿下塞班岛。

When the scorner, the rejecter of truth, has become presumptuous; when the routine of work in the various money-making lines is carried on without regard to principle; when the student is eagerly seeking knowledge of everything but his Bible, Christ comes as a thief.{DA 635.3

当讥诮和拒绝真理的人，到了任意妄为时，当追求财利者罔顾按道义经营谋利时，当学人正在兢兢业业地研究各种知识，而单把圣经丢在一边时，基督要像贼一样来临。