1)Nonmethane hydrocarbon(NMHC)非甲烷总烃(NMHC)
1.Nonmethane hydrocarbon(NMHC)is one of the important parameter in implementing the integrated emission standard of air pollutants(GB 16297—1996),but the methods for determination of NMHC and the presentations of its results are imprecision.非甲烷总烃(NMHC)是在执行《大气污染物综合排放标准》(GB 16297—1996)时常常涉及到的一个重要参数。
英文短句/例句
1.Determination Methods and Result Presentations of Nonmethane Hydrocarbon关于非甲烷总烃(NMHC)的测定及结果表示
2.A Review on Non-methane Hydrocarbons in Air and Seawater大气和海水中非甲烷烃类的研究进展
3.Research on the Oxygen's Disturbance to the Analysis of Methane and Total Hydrocarbon氧气对空气中甲烷、总烃分析的干扰研究
4.STUDY ABOUT THE CHARACTERISTIC OF NON-METHANE HYDROCARBONS IN THE ROAD-AIR IN BEIJING北京市道路空气中非甲烷烃的分布特征
5.Study on Methane Conversion to C2 Hydrocarbons with Non-equilibrium Plasma;非平衡等离子体强化甲烷转化制碳二烃过程研究
6.Stable Carbon Isotope Composition Characteristics and Source Apportionment of Atmospheric Nonmethane Hydrocarbons环境空气中非甲烷烃的碳同位素组成及其来源研究
7.Gaseous non-methane hydrocarbons(NMHC) emitted from petrochemical industry and countermeasures石油化工生产排放的气态非甲烷烃及其防治对策
8.Gaseous non-methane hydrocarbons(NMHC) emission from petrochemical industry and its remediation strategy石油化工生产中气态非甲烷烃的排放及其防治对策
9.technical alkane sulphonates-determination of total alkane sulphonates content工业烷烃磺酸盐-总烷烃磺酸盐含量的测定
10.The Study of Non-oxidative Aromatization of Methane with Propane;甲烷和丙烷混合烷烃的无氧芳构化研究
11.The Research of Making C_2 Hydrocarbon by Coupling Methane Using Microwave Plasma;微波等离子体偶联甲烷制C2烃的研究
12.Study on Conversion of Methane to C_2 Hydrocarbons Through Dielectric-barrier Discharge;甲烷介质阻挡放电转化制C_2烃研究
13.Surface active agent-Technical alkane sulphonates-Determination of total alkane sulphonates contentGB/T11987-1989表面活性剂工业烷烃磺酸盐总烷烃磺酸盐含量的测定
14.The Study of Catalyst for Non-oxidative Aromatization of Methane with Propane;甲烷和丙烷混合烷烃的无氧芳构化反应及其催化剂研究
15.Plasma-Catalytic Conversion of Methane to Aromatics and Hydrogen under Oxygen-free Conditions;等离子体—催化作用下甲烷无氧转化制芳烃和氢
16.Toluene Disproportionation and C_9 Transalkylation Reaction Catalyzed by Modified Nanosized HZSM-5;改性纳米ZSM-5催化甲苯、C_9芳烃烷基转移反应
17.The Role of Methanogenic Archaea on the Process of Anaerobic Crude Oil Degradation;石油烃厌氧生物降解过程中的产甲烷古菌研究
18.Synthesis and Study of Polydimethylsiloxane with a Diol End Group单端双羟烃基聚二甲基硅氧烷的合成及研究
相关短句/例句
non-methane hydrocarbon (NMHC)非甲烷烃类;非甲烷碳氢化合物 NMHC
3)non-methane hydrocarbons (NMHC)非甲烷总烃
1.The atmospheric non-methane hydrocarbons (NMHC) in petroleum storage area was quantitatively analysed by combination of gas chromatography-mass spectrometry.采用气相色谱-质谱联用方法对油品仓储区大气中的非甲烷总烃(NMHC)进行分类定量测定,通过对仓储区内不同点位NMHC浓度的差异和各自日变化规律进行分析,可以认为烷烃和烯烃有较高的浓度水平,其中烯烃含量最高。
4)non-methane hydrocarbons (NMHCs)非甲烷碳氢化合物(NMHC)
5)non-methane hydrocarbon非甲烷烃
1.Non-methane hydrocarbons in the gas sample are analyzed simultaneously by GC with double columns and double FIDs.介绍了用双柱双氢火焰离子化检测器同时进样气相色谱法分析气体样品中非甲烷烃。
6)Non-methane hydrocarbons(NMHCs)非甲烷烃(NMHCs)
延伸阅读
非甲烷总烃
非甲烷总烃
非甲烷烃(nmhc)通常是指除甲烷以外的所有可挥发的碳氢化合物(其中主要是c2～c8)，又称非甲烷总烃。大气中的nmhc超过一定浓度，除直接对人体健康有害外，在一定条件下经日光照射还能产生光化学烟雾，对环境和人类造成危害。监测环境空气和工业废气中的nmhc有许多方法，但目前多数国家［1，2］采用气相色谱法。由于直接测定nmhc所用仪器价格昂贵，因此我们采用双柱双氢火焰离子化检测器气相色谱法分别测出总烃和甲烷的含量，两者之差为nmhc的含量。在规定的条件下所测得的nmhc是于气相色谱氢火焰离子化检测器有明显响应的除甲烷外碳氢化合物总量，以碳计。
