氧

After years' effort, a new aerobic denitrifier that can deoxidize NO3- to N2 and N2O has been isolated from ocean environment.

本项目经过多年努力，从海洋环境分离到1株能在好氧条件下将NO3-还原成N2和N2O的好氧还硝化菌。

After years' effort, a new aerobic denitrifier that can deoxidize NO 3 - to N 2 and N 2 O has been isolated from ocean environment. Compound bacterial production is made up of aerobic denitrifying bacteria, nitrifying bacteria and organic compound degrading bacteria.

本项目将好氧还硝化菌、硝化细菌和有机质高效降解菌制成复合微生物制剂，通过多种微生物共同作用，在好氧的条件下能同时进行有机质降解、硝化作用和反硝化作用，可有效降低水中的三氮（ NH 4 +、 NO 2 -、 NO 3 -）。

Light touches the intermediary is one catalyst, itself does not consume, the essential component is a nanometer carbon dioxide (TI02), under the illumination, Shui who the light touches in the intermediary union air He the oxygen forms the strong oxidized in the surface oxyhydrogen free radical, can decompose in the air the noxious gas and the bacterium, and releases C02 and the water, achieves the sterilization, the air purification, to deodorize.

光触媒是一种催化剂，本身并不消耗，主要成份是纳米二氧化碳（TI02），在光照下，光触媒结合空气中的水和氧气在表面形成强氧化性的氢氧自由基，能分解在空气中的有害气体和细菌，并释放出C02和水、达到杀菌、空气净化、除臭。氢氧自由基释放时模拟人体气味，有效把蚊子引过来。

A new type of active iron deoxidant is introduced which is of little harm,of high effectiveness,and stable in property and can be used in normal temperature.

为此，研制了新型的高效活性铁除氧剂，可在常温操作，物理性能优良，有害元素含量极低，是应用于水处理系统的优质除氧剂

It is concluded that mixture of deoxidant elements, reduction of oxygen and hydrogen source and improvement of escaping condition of oxygen from surfaced layers can prevent surfaced layers of copper-nickel alloy from producing gas holes efficiently.

本文分析了铜镍合金堆焊时所产生的气孔的主要原因及影响因素，认为粉末中脱氧元素的加入；减少氢、氧的来源；改善氢、氧从堆焊层中的逸出条件可有效防止铜镍合金堆焊层中气孔的产生。

New type of water chemistry for utility drum boiler and its principle and characteristic Two kinds of water chemistry's main principle and characteristic are detailedly analyzed. Against the problem of high eroding speed, high Fe content in feed water and boiler water, high scaling speed, short chemical cleaning interval, needing poisonous chemical deoxidant, etc for drum boiler's deoxidization water chemistry and difficulty of using oxidation water chemistry, a new type of water chemistry is put forward on the basis of analyzing the characteristic of whole power station's water steam cycle system, principle of two kinds of water chemistry and their practical effect in every cycle stage. Considering two water chemistry's merit, a new water chemistry called Limited Oxidation Water Chemistry is put forward, which is a local slight oxidization no-deoxidant water chemistry. And the proposed method's principle, control parameter, applying condition, start-lay up and emergency measures are initially calculated and analyzed.

三、新型汽包炉水化学工况的提出及其原理和特点详细分析了国内外现行两大类水化学工况处理的核心原理和特点，针对现行汽包炉还原性水化学工况处理所存在的系统腐蚀速度相对较大、给水和炉水铁浓度高、锅炉结垢速度快、机组酸洗间隔短、无法避免有毒化学除氧剂的使用以及氧化性水化学工况在汽包炉机组上应用的困难等问题，在详细分析电站整个水蒸汽循环系统的特点、两类水工况处理的原理和对循环中各段处理的实际效果等的基础上，综合两者的优点，提出了一种新型的局部轻微氧化性无除氧剂汽包炉水化学工况－"汽包炉有限氧化性水化学工况"处理原理，并初步计算、分析和确定了该种新型水化学工况的主要工艺控制参数、应用条件、启停与紧急情况处理等。

The effect of concentration of Co(NO3)2,concentr ation of Ca++、Mg++ and pH value on the deoxidation rate of Na2SO 3 were studied respectively.

研究了Na2SO3的除氧效果，讨论了pH值、Ca和Mg 离子浓度、催化剂Co(NO3)2的浓度对Na2SO3除氧效果的影响。

Many condensers can fully deoxidize with the high load but has bad deoxidization performance with the low load.

许多凝汽器在高负荷下能充分地除氧，但在低负荷下除氧效果不良。

As a technological company integrating scientific research, production and sale, it specializes in the research and development of deoxidizer and the technology of storage by deoxidizing and sealing.

是集科研、生产、销售为一体的专门从事除氧剂与除氧封存技术研发的科技公司。

Atmosphere thermal deaerators are widely applied to supply water deoxygenation of industrial boilers.

大气热力除氧器广泛应用于工业锅炉的给水除氧。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。