primary emission
英 [ˈpraɪməri iˈmɪʃn]
美 [ˈpraɪmeri iˈmɪʃn]
初级发射，一次发射，原发射
双语例句
- Combined with life cycle assessment principle, the total primary energy consumption and green house gases ( GHGs) emission of methanol-gasoline pathway are analyzed.
在所考虑的四种煤气化方法中，谢尔法的一次能源消耗与温室气体排放最低。 - What appear to be the primary waste/ emission sources for the neighborhood?
社区中主要的废水／排放源头看来是什么？ - Relation Between the Incident Angle of High Energy Primary Electron of Metal and the Real Efficient Emission Coefficient of Secondary Electron
金属的有效真二次电子发射系数与高能原电子入射角的关系 - An energy flow chart is also given from primary to secondary energy source and then to waste gas emission through consumption and transformation, with a model developed showing energy flow in iron& steel industry.
针对能量流动过程，构造从一次能源到二次能源产品的生产、转换和使用直至废气排放的能量流图，并建立钢铁企业能量流模型； - A primary analysis of global n_2o emission and relative contributions of some sources
全球N2O年释放总量及各类源相对贡献率初步分析 - About the primary market and secondary market of pollutant emission right
关于排污权的一级市场和二级市场问题 - A Primary Study on CO_2 Emission from Alpine Potentilla fruticosa Scrub Meadow Ecosystem
高寒灌丛草甸生态系统CO2释放的初步研究 - Primary Analysis in the Effects of Elevated [ CO_2] on Emission of CO_2 from Rice Paddy Field
高CO2浓度对稻田CO2排放影响的初步分析 - The simulation results have provided useful references for these problems such as thermal cathode primary electron emission, the determination of ion beam derivation area and the effective confinement of discharge plasma in the design of ion source.
计算结果对于离子源设计中的阴极热电子发射、离子束有效引出面积确定及等离子体的有效约束等重要问题有一定参考价值。 - Analysis of Life Cycle Primary Energy Consumption and Greenhouse Gases Emission of Methanol-gasoline as Vehicle Fuel
车用甲醇汽油的生命周期能源消耗与温室气体排放分析 - This study was conducted indirectly in primary analysis of the effects of elevated CO2 on CO2 emission from different pools in rice paddy field based on the direct response of crops biomass to elevated CO2 and 13C isotope technique.
此项研究主要通过高CO2浓度对作物生物量的直接影响，利用δ13C技术间接地初步分析土壤呼吸CO2排放不同来源贡献的差异。 - This paper discusses the relation of energy power of higher energy range primary electrons which belong to the same energy band and primary electron energy and real efficient secondary electron emission coefficient in metal in theory.
论述了某一个能区入射电子对金属平均射程的能量幂次与入射能量、金属的有效真二次电子发射系数的关系，并简化推导了表达式。 - Three different pulverized coals were combusted in a drop tube furnace and an 8-stage particle sizing impactor was used to separate and collect the primary particulate matter for investigating the emission features of inhalable particulate matter.
在实验室条件下，以沉降炉作为燃烧设备，用8级Andersen粒子撞击器分离并收集燃烧后的颗粒物，研究了3种煤粉燃烧后生成的一次颗粒物中可吸入颗粒物排放的特性。 - How acts to carry on the dangerous forecast, the determination the source of acoustic emission according to these signal is the primary mission of The Monitors and diagnoses system in earthquake and landslide based on acoustic emission technique.
如何根据检测到的声发射信号进行危险预报，确定声发射源，是基于声发射的地震、山体滑坡监测诊断系统的主要研究任务。 - The result of experiments indicates that primary aeration levl is main factor on emission of NOx, and that the relation between the primary aeration level and NOx emission is different in case of gas burning at closed chamber and open space.
大量的实验研究表明，一次空气是NOx生成的最主要影响因素，一次空气对于燃气在封闭空间内燃烧的NOx产生与在大气中燃烧的NOx产生有不同的影响。 - Compared with fuel power generation, the consumption of primary energy is reduced by 21%, the emission amount of CO_2 is reduced by 27%, and NO_x by 66%.
计算显示，与火力发电比较，一次能源的消费量削减21%，温室气体CO2排放量削减27%，大气污染物质NOx排放量削减66%。 - A series of methods for the measurement of characteristic signals of solid propellant including the primary and secondary smoke, radiation emission, plume temperature and the smoke of inhibitors are presented.
介绍了固体火箭发动机装药的特征信号需要检测的内容，诸如一二次烟雾、辐射、羽流温度和包覆层烟雾。 - The change of molecular structure and special solvent effect are, respectively, the primary factors that influence the emission character of Rhodamine 101 powder and solution under high pressures.
在压力作用下，Rhodamine101分子结构的变化和特殊的溶剂效应，分别是影响其在粉末状态和溶液中荧光性质的主要因素。 - A Primary Study on CO_2 Emission from Soil-Plant Systems of Kobresia Humilis Meadow
矮嵩草草甸植被-土壤系统CO2的释放特征 - Primary exploration for the sustainable development zero emission ecological city model
可持续发展的零排放生态城市模式初探 - The effects of various parameters, in terms of the ratio of petroleum coke over coal, the excess air coefficient, the bed temperature, the primary air fraction, the Ca/ S ratio on the N_2O emission in the flue gas are revealed in this paper.
对于石油焦与煤不同的燃料配比，不同的锅炉运行参数，如一次风率、过量空气系数、床温和Ca/S比等对烟气中N2O排放浓度的影响规律进行了研究。 - Coal is the primary energy in China, mainly for power generation and heating. Emission of dust, SO2 and NOx due to coal combustion is the largest source of air pollution.
煤炭是我国主要一次能源，80%左右用于燃烧发电和供热，所排放的粉尘、S02（硫）和NOx（硝）是我国大气污染的最大源头。 - In addition, as the emission legislation of diesel engine is becoming more and more rigorous, the primary measures to achieve the emission standard of Euro IV can hardly work.
加之，我国柴油机排放法规越来越严格，要实现欧IV以上的排放标准，单一的机内净化技术很难满足要求。 - Coal is the principal part of the primary energy in China. Morn than 70% of the CO2 emission in China came from burning coal. The ultimate way which could largely reduce the carbon emission is to develop new coal combust technologies with carbon capture ability.
煤是我国一次能源的主体，燃煤排放的CO2占我国CO2排放量的70%以上，开发具有碳捕集的新型燃煤技术是实现大规模碳减排的根本途径。 - Coal-fired power plants are primary sources of mercury emission into the atmosphere, which seriously harmed the ecological environment and human health.
煤燃烧产生的汞排放是大气汞污染最主要的来源，对生态环境和人类健康造成极大危害。 - In order to understand the approaches of biogenic sulfur gases emission from soil-plant ecosystem and primary emission mechanism and flux, first using the laboratory incubation method, to investigate the main factors influencing the sulfur gases emitted from soil in detail.
为了了解土壤&植物生态系统中生物含硫气体的释放途径、主要释放机制及释放通量，首先采用室内模拟培养土壤的研究方法，对影响土壤含硫气体释放的主要因素进行了较详尽的考察。 - The investigation on the morphology, microstructure and size distribution of primary carbon particle in-cylinder particulates were conducted on a field emission gun transmission electron microscopy ( FEG TEM), and the results were analyzed by the image technology.
运用场发射透射电镜和图像处理技术，考察了微粒的形态特性、基本碳粒子的微观结构和粒径分布规律。 - Then, this software was used to simulate energy consumption of the original and the heat recovery system, results showed that heat recovery system could reduce annual primary energy consumption 30.4 tce and CO2 emission 74.14t, and recover waste heat up to 90.6 tce.
然后利用该软件分别模拟了原有空调系统和热回收系统的运行能耗，结果表明该系统每年可降低一次能源消耗30.4tce、减少二氧化碳排放74.14t、回收热量90.6tce，具有较好的环保效益。 - In our country, coal is the primary energy, and the NOx emission during coal combustion is the main source of NOx.
我国能源以煤炭为主，煤燃烧排放的氮氧化物成为氮氧化物主要来源之一，控制煤燃烧过程中氮氧化物生成意义重大。