查询词典 sulfur dioxide

In this work we put forward a reasonable technique to desorb sulfur dioxide gas in citrate solution by ultrasonic.

本课题提出在超声作用下脱除柠檬酸盐溶液中二氧化硫的可行性方案，首次将超声波应用于二氧化硫烟气的治理。

Sulfur dioxide is sometimes used as a preservative in dried fruit.

二氧化硫有时候会被用于干果的保存。

At present the company mainly engaged in natural fatty alcohol products (C8-10, C12-14, C16-18 and various pure distillate), fatty alcohol polyoxyethylene ether, the basic sub-nonyl polyoxyethylene ether, polyethylene glycol and penetrant series over 100 varieties and zinc powder Insurance Law, Insurance Law sodium powder, hair bleaching agent, carved white block , carved white zinc, zinc oxide, zinc borate, sulfur dioxide and so on.

目前公司主要经营产品有天然脂肪醇（C8-10、C12-14、C16-18及各种纯馏分）、脂肪醇聚氧乙烯醚（AEO、OS及平平加O）、壬基本分聚氧乙烯醚、聚乙二醇和渗透剂系列100多个品种和锌粉法保险粉、甲酸钠法保险粉、漂毛剂、雕白块、雕白锌、氧化锌、硼酸锌、二氧化硫等。

Experts believe the project with the traditional lead-smelting technology, has the following characteristics: First, the smelting process to adopt internationally advanced level of oxygen blowing at the end of smelting - to restore the blast furnace method, the use of lead refining electrolysis ; Second, the use of sulfur dioxide gas double-absorption acid technology, the production of domestic water use of recycled water sewage treatment process; Third, the use of waste heat for power generation, waste to make full use of energy reduces energy consumption; Fourth, the high level of automation, low power consumption , Investment, raw materials adaptable, comprehensive recovery rate of high-quality products.

专家认为，该项目与传统炼铅工艺技术相比，具有以下特点：一是冶炼工艺采用具有国际先进水平的氧气底吹熔炼-鼓风炉还原法，铅精炼采用电解法；二是二氧化硫烟气采用两转两吸制酸工艺，生产生活用水采用循环水污水处理工艺；三是利用余热发电，充分利用废弃能源降低了能耗；四是自动化水平高、能耗低、投资省、对原材料适应性强、综合回收率高、产品质量好。

The invention controls nitrogen oxide, mercury and sulfur dioxide in smoke gas without increasing main device and using no catalyst.

本发明在不增加主要设备、不使用任何催化剂的情况下，实现烟气中的氮氧化物、汞和二氧化硫的综合控制，系统运行可靠。

The matter is degraded under high temperature, and then they can oxide mercury and selectively reduce nitrogen oxide into innocuous nitrogen; smoke gas is treated in desulfurization unit to absorb bivalent mercury and sulfur dioxide.

这些物质在高温烟气中分解后，能够将烟气中的单质汞氧化并将氮氧化物选择性还原为无害的氮气，烟气再经脱硫装置处理，将其中的二价汞和二氧化硫同时吸收净化。

Another type of pollution is the release of harmful gases , such as sulfur dioxide , carbon monoxide , nitrogen oxides , and chemical vapors.

另一类污染是有毒气体的排放，如二氧化硫、一氧化碳、氮氧化物及化学蒸气。

At present, the urban levels of government, departments and enterprises focus on sewage, pollution abatement is important as a breakthrough point and handle and the promotion of economic growth pattern, and promote industrial restructuring and upgrading, to ensure completion by the end of sulfur dioxide and chemical oxygen demand reduction, respectively, 5% and 4% target.

目前，市区两级政府、有关部门和重点排污企业，正以污染减排为突破口和重要抓手，促进经济增长方式转变，推进产业结构调整和升级，确保年底完成二氧化硫和化学需氧量分别削减5%和4%的目标。

Arsenic trioxide was prepared by leaching arsenic sulfide slag in NaOH solution, oxidating with air and reducing with sulfur dioxide.

摘 要：硫化砷渣经氢氧化钠溶液浸出、空气氧化脱硫和SO2还原制备得到As2O3。

The experimental results show that sodium chloride can reduce sulfur dioxide emission in coal combustion process and enhance desulfurization.

实验结果表明，NaCl的存在延长了SO2在煤样中的停留时间，抑制了SO2的排放，有利于在煤燃烧过程中进行SO2的脱除。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。