查询词典 bleaching process

The system is continously operated for two months and the efficiency follows: 65-68% COD〓 reduction, 89-92% BOD〓 reduction, 58-62% TOCl reduction.(The condition of treatment: 35℃-39℃, pH4. 0-4. 5, gas-water ratio: 15-20: 1, retention time: 8-12hr). After the bleaching effluents are further floculated by limewash, the drain away water basically has accorded with the national effluent discharge standard.

控制温度35℃-39℃、pH值4.0-4.5，添加少量简单的营养物、保持15-20：1的实际气水比，接触停留时间8-12小时，连续运行两个月，COD〓去除率保持65-68%，BOD〓去除率89-92%，TOCl去除率58-62%；用石灰水进行混凝后处理，可进一步去除70%COD〓、脱色率90%，SS去除率95%，排水清亮，基本达到国家废水排放标准。

Hydrogen peroxide solution with sodium metasilicate and magnesium sulfate had an enhanced effect on bleaching activity,whitening and softening Luffa pith.

在漂白液中加入硅酸钠和硫酸镁；可以增大双氧水的漂白活性，提高丝瓜络的白度，经EDTA溶液浸泡过的作品不易返黄。

Nick Polunin, a marine scientist at the U.K.'s Newcastle University, said continuing damage to coral reefs due to bleaching could affect food webs and cause the localized extinction of fish species.

英国的纽卡斯尔大学的海洋科学家Nick Polunin说，由于漂白对珊瑚礁造成的持续损害，会影响食物网，并造成局部鱼类物种的灭绝。

Flushes is cool when should take down the jewelry, meets 碱 a kind of product by against jewelry, after specially contains the chlorine bleaching agent and the silver contact, can have the chlorination to respond, causes the silver personal ornament rapid nigrescence.

冲凉时应取下首饰，以防首饰遇到碱类产品，特别是含氯的漂白剂和银接触后，会起氯化反应，使银饰迅速变黑。

This system has good thermal stabi ity in ground state. When excited, it can undergo intra-ion-pair electron transfer, leading to the bleaching of the dye and the decomposition of the onium salt. The later results in the formation of initiating radical species.

在基态，这种体系具有良好的热稳定性，而在激发态时能发生离子对内光诱导电子转移反应，导致其发生漂白和碘鎓盐的分解反应，产生具有引发作用的自由基。

Walls with mould should be washed with bleaching solution, followed by fresh water. Allow the surface to dry before overcoating.

若墙面霉菌滋生，须用漂白粉溶液清洗干净，彻底清除霉菌，并用清水冲洗干净，待表面干燥后，才可涂漆。

Oxalic acid is also used in bleaching of wood and leather.

草酸也用于漂白的木材和皮革制品。

The perborate bleaches are not used commercially but are available for use by the consumers. Their bleaching action is similar to that of hydrogen peroxide.

过硼酸盐在工业生产中并不使用，但可供消费者使用，它们的漂白作用与过氧化氢相似。

The perborate bleaches aer not used commercially but are available for use by the consumers. Their bleaching action is similar to that of hydrogen peroxide.

过硼酸盐在工业生产中并不使用，但可供消费者使用，它们的漂白作用与过氧化氢相似。

The bleaching performance of the in-situ produced peroxide with sodium perborate and sodium percarbonate on deinked pulp was compared with that of general peroxide in this paper.

介绍了采用过硼酸钠和过碳酸钠就地产生H2O2与通常的采用H2O2水溶液进行脱墨浆漂白效果的比较与评价。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。