Catalytic converters reduce carbon monoxide, oxides of nitrogen, and volatile organic compounds in emissions and necessitated the use of lead-free fuel. 催化转炉减少了一氧化碳,氧化氮和挥发性有机混合物等的排放,而且无铅燃料的应用也当成为必要。
Clinical Research on the Levels of Blood-Lipid and Plasma Monoxide Nitrogen in Type ⅱ Diabetes Mellitus Patients with Vascular Complications 2型糖尿病血管并发症患者血脂及血浆NO水平的临床研究
Control of Carbon Monoxide and Nitrogen Oxides Produced by Gas Water Heater 燃气热水器燃烧产物中CO和NOx的产生与控制
The product of gasification is so-called synthesis gas, or syngas, which is composed mostly of carbon monoxide and hydrogen, undiluted with nitrogen. 这个气化过程的产物为合成气,成份主要是一氧化碳与氢,并不含氮。
A toxic mixture of gases ( including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine. 矿山沼气爆炸后留下的一种有毒的气体混合物(含二氧化碳、一氧化碳和氮)。
Carbon monoxide percent by volume The apparent transportation percentage of nitrogen and NSC were both low, but NHI and HI were both high; 一氧化碳容积百分率氮素和非结构性碳水化合物的表观运转率低,氮素收获指数和经济系数高;
Determines Trace Nitrogen Monoxide in Nitrogen Trifluoride by Gas Chromatography-Mass Spectrometry 气相色谱/质谱法测定三氟化氮中痕量一氧化二氮
A gas made of carbon monoxide and hydrogen and nitrogen; made by passing air over hot coke. 含一氧化碳、氢和氮的煤气,将空气通过热焦炭而制成。
Motor vehicles are the primary source of several important air pollutants: carbon monoxide, volatile organic compounds, and nitrogen oxides. 机动车辆是如下几种主要的空气污染物的基本来源:一氧化碳,挥发性有机混合物和氧化氮。
Such issues are drawing international concern, because Beijing's high levels of carbon monoxide and nitrogen dioxide could cause breathing problems for Olympic athletes. 这些问题引起了全球关注。由于北京空气中的一氧化碳和二氧化氮浓度很高,会给运动员的呼吸系统带来伤害。
"Diesel engine emissions Determination of carbon monoxide, carbon dioxide and nitrogen oxide Nondispersive infrared method ( NDIR)" GB/T8191-1987柴油机排放气中一氧化碳、二氧化碳和氮氧化物的测定不分光红外线法
The smoke concentrations such as oxygen, carbon monoxide, nitrogen monoxide, nitrogen dioxide, sulfur dioxide etc, were also respectively measured on-line by the M-9000 combustion analyzer before and after the application of water mist. 采用M-9000燃烧分析仪对细水雾施加前后火灾烟气(如氧气、二氧化碳、一氧化碳、一氧化氮、二氧化氮、二氧化硫)的浓度进行了在线测量。
Outdoor carbon monoxide, nitrogen dioxide, and sudden infant death syndrome 户外一氧化碳、二氧化氮及婴儿猝死综合征
At the same time of liver biopsy, serum was to be measured for monoxide nitrogen ( NO), the tumor putrescence factor ( TNF-a), endotoxin ( LPS). 所有患者肝穿刺活检的同时,取血清测一氧化氮(NO)、肿瘤坏死因子-α(TNF-α)、内毒素(LPS)。
Biological Toxicology of Harmful Reactive Products in Fire(ⅱ)& Nitrogen Monoxide, Nitrogen Dioxide 火灾常见有害燃烧产物的生物毒理(Ⅱ)&一氧化氮、二氧化氮
Gasoline blending with ethanol can not only decrease the discharge volume oi automobiles, but also decline the poisonous gases, for instance, hydrocarbon compound, monoxide and nitrogen oxide. 乙醇调和汽油可有效降低汽车尾气排放,其碳氢化合物、CO、氮氧化合物等有毒气体排放都有所降低。
The presence of carbon and the evolution of carbon monoxide guaranteed the quantitative extraction of oxygen, besides its beneficial effect on the evolution of nitrogen. C的存在和CO的析出保证了氧的定量析出,对氮的析出也有良好的影响。
Automobile emission is one of major sources of air pollution. The main pollutants contained are carbon monoxide, hydrocarbons and oxides of nitrogen. 汽车排放造成大气污染严重,排放物中主要有害物质是一氧化碳、烃类和氮氧化物。
Studies on the adsorption and catalytic conversion of carbon monoxide and nitrogen monoxide on metal-containing activated carbon fibers 负载金属基活性炭纤维对一氧化氮和一氧化碳的吸附及催化性能研究
Results The major occupational hazards in the construction project were gasolene, benzene, toluene, xylene, ethyl acetate, carbon dioxide, carbon monoxide, nitrogen dioxide, sulfur dioxide, hydrogen sulfide, graphite dust, borax dust, alloys dust, noise, radiant heat etc. 结果该建设项目职业病危害因素主要是溶剂汽油、苯系物、乙酸乙酯、二氧化碳、一氧化碳、氮氧化物、二氧化硫、硫化氢、石墨粉尘、硼砂烟尘、氧化铁皮粉尘、噪声和辐射热等。
Development of standard materials of methane and carbon monoxide gas in nitrogen 氮中甲烷、氮中一氧化碳气体标准物质的研制
Study on the Dynamic Adsorption Behaviors of Carbon Monoxide, Nitrogen, Methane and Other Components on Adsorbent NA CO与N2、CH4等组分在NA吸附剂上的动态吸附分离性能研究
Space-time Distribution Regularity of Nitrogen Monoxide and Nitrogen Dioxide in Atmosphere of Shenyang Urban District 沈阳区域环境空气中一氧化氮与二氧化氮时空分布规律
The thesis discusses in a thermodynamic way the reductive reactions that take place between nitrogen monoxide and metal, and meanwhile analyzes the possibilities and trends of the reactions between nitrogen and common metals. 用热力学方法讨论一氧化二氮和金属发生氧化还原反应的情况,同时对一氧化二氮和常见金属反应的可能性和趋势作了分析。
This paper analysis the mixture of methane and carbon monoxide gas in nitrogen in bottle with weight method, the range of concentration is 10 × 10-6~ 1 × 10-2 mol/ mol. 用称量法研制了瓶装的氮中甲烷与氮中一氧化碳标准气体的混合物,其组份浓度范围为10×10-6~1×10-2mol/mol。
Objective: To study the changes of heme oxygenase/ carbon monoxide and nitricoxide synthase/ nitrogen monoxide systems of diet-induced atherosclerosis in rabbits. 目的本研究通过动物实验,研究喂饲高脂饲料的大白兔动脉粥样硬化进程中血红素加氧酶/一氧化碳系统与一氧化氮合酶/一氧化氮系统的变化。
Six air pollutants, i.e., Particulate matter, ozone, carbon monoxide, sulfur oxides, nitrogen oxides and lead, are common or criteria pollutants set by US Environmental Protection Agency ( EPA). 颗粒物、臭氧、一氧化碳、二氧化硫、氮氧化物和铅这6种污染物被美国环境保护署(EnvironmentalProtectionAgency,EPA)定义为常见污染物,也被称为标准污染物。
However, like other fossil fuels, methane combustion process will inevitable produce carbon dioxide, carbon monoxide and toxic gases such as nitrogen oxides. 然而,如同其它的化石燃料一样,甲烷的燃烧过程中将不可避免的产生二氧化碳、有毒的一氧化碳和氮氧化物等气体。
Furthermore, it discusses the quantitative analysis of harmful gases, using radial basis function neural network to identify, and the identification of formaldehyde, carbon monoxide and nitrogen oxides shows that this algorithm can obtain higher accuracy. 本文进一步讨论了有害气体的定量识别,使用径向基神经网络进行识别,通过对甲醛,一氧化碳和二氧化氮气体的识别结果表明,该算法能够获得较高的识别精度。
In the paper, the dimension of the array signal is reduced firstly, and then sent into the probabilistic neural network. The results from quantitative analysis show that the probabilistic neural network classifier can achieve the accurate classification of the formaldehyde, carbon monoxide and nitrogen dioxide. 文中首先对阵列信号进行降维,然后再送入概率神经网络识别,对甲醛,一氧化碳和二氧化氮三种气体的定性分析表明,概率神经网络分类器可以实现正确的分类。