美国海洋及大气管理局在最近的一项研究中发现,使用低含硫量燃料可以减少百分之90的有害废气。
A recent study by the National Oceanic and Atmospheric Administration (NOAA) found that using this type of fuel reduced harmful emissions by as much as 90 percent.
但剑桥能源咨询公司认为,如果是以“从油井到车轮”的方式,只计算汽车排气管排出的二氧化碳量,从油砂中提取石油只增加了5 ~ 15%的排放量。
But from "well to wheels", counting emissions from cars' exhaust pipes, tar sands are only 5-15% dirtier, says IHS CERA.
输往欧洲的绿溪(Greenstream)天然气管道预计在数周内重启,该管道从西利比亚到西西里的年运输量为110亿立方米。
Gas should begin to flow again in weeks to Europe through the Greenstream pipeline, which carries 11 billion cubic metres a year from western Libya to Sicily.
本系统中的数字量由PLC控制,数字量主要控制真空系统、烧结炉和化学气相沉积炉中各通气管路中的开关量。
In the system the digital is controlled by PLC, digital is mainly used to control the switch data of pipeline in the vacuum system and metallurgical vessel and CVD vessel.
采取进、排气管隔热措施,降低进气温度来提高进气充量。
Adopt measure to prevent the heat transmit between intake pipe and exhaust pipe, lower the intake air temperature to increase volumetric efficiency.
结果发现棉花根醇提物、水提物均能延长小鼠的咳嗽潜伏期,减少咳嗽次数,均能增加气管内的酚红排泌量,对二甲苯所致的耳肿胀均有显著的抑制作用。
Ethanol extract and water extract from cotton root both could significantly decrease cough times, prolong incubation period of cough, increase phenol red output in trachea and inhibit ear swelling.
基于GIS数据库的燃气管道风险评估能指导燃气管道日常运行管理,对其进行较为客观的分析和决策,减少管道事故的发生和日常维护的工作量。
Gas pipeline risk grounded on GIS database instruct daily management of pipeline network by objective analysis and decision, reducing pipeline accident and work load of routine maintenance.
阐述了燃料气管网压力、过柜循环量、气柜容积及其操作位置的确定。
The determination of pressure of fuel gas pipe network, the amount of recycle across the holder, the volume of holder and the allocation of the holder in flow diagram were described.
基于GIS的油气管线设计系统是以GIS数据为基础,确定管道设计中线的位置,包括平面位置和纵向埋深;并提取管线数据自动进行工程土方量、占地面积、工程拆迁等方面的工程概预算。
Pipeline design system based on GIS is based on data of GIS to locate the center line of pipeline in plane and portrait, and extract pipeline data to make automatically project budget estimate.
结果玄麦咽康含片能显著抑制慢性肉芽肿的形成;抑制角叉菜胶引起的足跖肿胀;还能增加小鼠气管的酚红排泌量。
Results XBT could significantly inhibit the chronic cotton ball induced subcutaneous granulation hyperplasia in rats and had inhibitory effects on carrageenan induced swelling PAWS.
通常天然气管道的泄漏量一般大约要占输气总量的 10%。
Usually, the leakage of natural gas transport pipelines account for 10% of the total amount of transported gas.
摘要:目的评价动态肺量测定在支气管哮喘诊断和鉴别诊断中的价值。
ABSTRACT: Objective to evaluate the diagnostic specificity of dynamic assessment and monitoring using a portable spirometer in diagnosis and differential diagnosis of asthma.
例如亚马逊的植物,持有一千亿吨的碳量,相当于重工业和排气管15年的排射量。
Amazon flora, for instance, holds more than 100 billion metric tons of carbon, equal to 15 years of tailpipe and smokestack emissions.
得到动态肺量测定证实的支气管哮喘患者126例,占87%。
Of 145 patients with physician-diagnosed asthma, 126 (87%) could be conclusively confirmed for a diagnosis of asthma.
得到动态肺量测定证实的支气管哮喘患者126例,占87%。
Of 145 patients with physician-diagnosed asthma, 126 (87%) could be conclusively confirmed for a diagnosis of asthma.
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