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It exists the option of an alkaline or a neutral cooking to produce bleachable paper pulp, and of acid hydrolysis of the straw to produce furfural and fermentable pentoses to produce methanol.

在生产漂白工艺条件是可以选择如碱法,中性蒸煮,且利用酸法水解草原料可以生产糠醛和发酵戊糖生产甲醇.

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The pollution and harm caused by dioxine had been paid attention in all over the world.And the bleaching process in pulp and paper making industry is also a source of dioxine.

英对环境污染和对人危害已引起全世界制浆造纸行业漂白工艺也是产生来源之一。

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The beat method of reducing attack on the cellulose and still obtain a bleachable pulp is to use strong acid, low cooking temperature, and relatively short cooking time.

生产纤维损失小、漂白性能好浆料最佳方法是使用强酸、低蒸煮温度、相对较短蒸煮时间蒸煮工艺。

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In this paper, the protection measures of carbohydrate during pulp TCF bleaching, such as oxygen, ozone, peroxide, peracid and photochemistry reaction of bleaching, were respectively.

本文综述了纸浆氧气漂白、臭氧漂白、过氧化氢漂白、光催化漂白、过氧酸漂白中碳水化合物保护措施。

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Chlorine dioxide is almost the best disinfectant and fibre decolourant, it also have good application in food industry.

它几乎是目前最好消毒杀菌剂和最好纤维漂白剂,在食品工业也有很好应用前景。

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美丽新世界

The rock was like bleached bones in the moonlight.

月光下岩石像漂白骷髅。

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咱们裸熊

And I'll bleach myself again if I have to because that is what brothers do.

而且如果有必要的话,我会再漂白,因为兄弟就应该这么做。

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察双语版

It's made with a nutritious blend of unbleached flour.

由未漂白面粉制成,多种混合营养。

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经济人(汇总)

This " bleaching" is happening five times as often as it did in the 1970s.

这种“漂白”现象发生频率是上世纪70年代5倍。

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CNN 10 生英语 2024年5月合集

Amid the reef sharks and sea turtles, there's coral bleached white.

在珊瑚礁鲨鱼和海龟之间,还有被漂白珊瑚。

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摩登家庭第十季_Modern Family-Season10

I'm thinking about getting my chompers bleached, and there's only half of you up there.

我现在都在考虑去漂白牙了呢,那还只是剩下一半广告牌呢。

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雅思听力最新机试真题

For parchment, that was the end of the process, but for vellum there was an additional stage where it was bleached, in order to achieve the desired colour.

对于羊皮纸来,这就是处理过程终点,但对于牛皮纸(犊皮纸)来,还有一个额外漂白阶段,以达到所需颜色。

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中级英语短文

A simple bleach product is typically good for just six months.

简单漂白产品通常只能保持有效约六个月。

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BBC 听力 2018年4月合集

New research in Australia suggests that a marine heat wave that bleached large parts of the Great Barrier Reef two years ago was so severe that it cooked vast weeds of coral.

澳大利亚新研究表明,两年前将大堡礁很大一部分地方漂白海洋热量太过强大而导致大量珊瑚死亡。

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纽约时报 (New York Times)

But she said soaring ticket prices had made her reconsider going to concerts if the artists weren't her " all-time favorites" like Ms. Swift or Bleachers, the rock band fronted by Jack Antonoff.

但她,飙升她重新考虑是否要去演唱会,除非那些歌手是她“一直以来最爱”,比如斯威夫特,或者杰克·安东诺夫领衔漂白剂摇滚乐队。

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美语情景对话

They take small strands of the hair and color that so overall it looks like it's more sunkissed, like it's bleached in the sun.

理发师把小缕头发染上颜色,使头发整体看起来更耀眼,就像在太阳下漂白一样。

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VOA常速英语_美洲

And unfortunately with the rate at which we saw the bleaching come on, we're looking at a lot of mortality.

不幸是,以我们看到漂白速度,将会出现大量死亡。

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Newsweek

Some of these " photobleached" bugs died, and others became so weakened that they lost their resistance to ordinary antibiotics.

这些“光漂白细菌中,有些已经死亡,而另一些则变得虚弱,以至于对普通抗生素失去了抵抗力。

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CNN 10 生英语 2023年9月合集

The National Sanitation Foundation recommends using a weak bleach solution to sanitize kitchen drains and disposals once a month.

国家卫生基金会建议每月使用稀释漂白水溶液清洁厨房下水道和垃圾桶。

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CCTV 见闻

Bleached wood pulp alone accounts for 1 billion dollars followed by cow skin at about the same value.

漂白木浆就占了10亿美元,其次是同等牛皮。

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60秒 听力 2016年7月合集

In April the world learned that more than 90 percent of Australia's Great Barrier Reef had become bleached.

今年4月,全世界知道了澳大利亚大堡礁有超过90%珊瑚出现漂白现象消息。

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Discovery纪录片《认识细菌》

For example, high levels of chlorine, a chemical use of bleached paper, have been found in Lake Michigan.

例如,在密歇根湖,人们发现了大量漂白纸中所含有氯。

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大揭秘

For example, bleaching powder, bearing the chemical name calcium hypochlorite, contains chlorine, whereas peroxidase-based bleach doesn't contain chlorine.

例如,化名称为次氯酸钙漂白粉含有氯,而基于过氧化物酶漂白剂不含氯。

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VOA常速英语_

We usually try to combine this sodium carbonate with the bleaching solution and precipitate out a powder.

我们通常尝试把这种碳酸钠和经过漂白溶液结合,然后沉淀出粉末。

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当月 CNN 10 生英语 2021年4月合集

The organization says bleach is toxic.

该组织表示,漂白剂是有毒

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