本研究从气象条件和减排两方面探讨了COVID-19封锁期间严重雾霾发生的原因”研究目的”,并定量的分析了气象条件和减排对PM2.5浓度......

Mercury pollution has caused significant impacts to human health and the ecosystem.It has been considered as one of the ......

Mercury emissions from a pulverized coal-fired boiler(250MW)equipped with SCR,cold side-ESP+FF and wet FGD(limestone)in ......

The occurrence,material flows,technical applications and environmental pollution by Platinum Group metals(PMG)and Rare E......

As a new type of fuel additive based on nitroparaffin, MAZ has received worldwide attention. An experimental study was c......

Low Pressure Exhaust Gas Recirculation(EGR)is one of several technologies that are being investigated to deliver fu-ture......

With the development of auto technology,efficiency and environmental friendly technology is more and more attention by a......

In response to the energy crisis and the changes of global-scale environment, further improvement of fuel economy and ad......

An experimental investigation of multiple injection at intake stroke under warm up conditions was performed in a GDI eng......

为了解决空气稀释对降低天然气发动机NOx排放有限的问题，在一台CA6SE3-21E4N天然气发动机上，采用废气再循环（EGR）和过量空气双重稀释的......

2.1Development background2.1.1Greenhouse gas emission reduction is imminent Climate change is one of the most severe glo......

Interest in hydrogen-powered rail vehicles has gradually increased worldwide over recent decades due to the global press......

The overall objective of this study was to establish the effects of steel industrial effluent on Nairobi metropolitan wa......

Climate change and food security are among the pressing challenges facing humanity in the 21</span><sup><span style=“fo......

The utilization of coal mine methane (CMM) through porous medium combustion (PMC) contributes to energy saving and envir......

In this study,ammonia emissions characteristics of typical light-duty gasoline vehicles were obtained through laboratory......

Using a bottom-up estimation method,a comprehensive,high-resolution emission inventory of gaseous and particulate atmosp......

With the increasing international consensus concerning the negative effects of climate change,reducing greenhouse gases ......

Extreme ultraviolet(EUV) spectra emitted from low-Z impurity ions in the wavelength range of10–500Å were observed in E......

Developed regions of the world represent a major atmospheric methane(CH_4) source,but these regional emissions remain po......

This study takes Kunming City, Yunnan Province, China as the research area, to provide reference basis for revealing the......

A type of novel electrospun supramolecular hybrid microfibers comprising poly(9-(4-(octyloxy)-phenyl)-2,7-fluoren-9-ol)(......

Maritime shipping is a strategic sector with a strong international vocation and management.The need to define regulatio......

The international community has taken extensive actions to achieve carbon neutrality and sustainable development with th......

　　China s passenger car market continues to see impressive growth.Improvements to fuel economy and exhaust emissions h......

...

Based on the annual production data collected by the Statistic Center of the Ministry of Railways of the People’s Repub......

In the context of global fight against the climate change and reductions in carbon emissions,a worldwide wave of energy ......

Sustainable development is facing new challenges especially in relation to energy use.Energy economics,an emerging and r......

Monoterpenes in ambient air were determined in various sites in Guangzhou, and it was revealed that monoterpene concentr......

【正】 On October 17th,Bayer Material Science an-nounced it has successfully started produc-tion at its new 350000 t/a d......

【正】 BASF has issued its second annual reporton economic,environmental and social performancein Greater China.Environm......

【正】 China’s wastewater discharge totaledaround 209 billion tons in 2007 while thewaste gas emissions amounted to 63.......

【正】 Low-carbon economy is proposed mainly toaddress the climate change issue. Artificialemissions of carbon dioxide a......

【正】 Integrated gasification combined cycle (IGCC)power & polygeneration system is seemed asa perfect solution for eff......

【正】 The Ministry of Environmental Protection’s environmentcomplaint office said on December 21 st,2009that more than......

This paper is to provide quantitative data on some critical issues in anticipation of the forthcoming international nego......

Based on the Chinese thermal coal and power generation data,such as ultimate analysis,proximate analysis,low heat value(......

Ecological objective promotes local government who is in a reservoir area adopting new environmental policies which enco......

Methane (CH 4 ) and nitrous oxide (N 2 O) emissions from paddy soils have seldom been estimated when leguminous green ma......

Nitrous oxide (N 2 O) emissions from a maize field in the North China Plain (Wangdu County,Hebei Province,China) were in......

Phosphors Ca4(PO4)2O:Ce3+/Li+,Eu2+ were prepared by solid state reaction successfully, and characterized by X-ray diffra......

The effect of Zn 2+ ions codoped on the upconversion emission of Er 3+ ions in Er:LiNbO 3 crystal under different excita......

A new acid-base fluorescent switch containing both imidazo[4,5-f][1,10]-phenanthroline and triphenylamine groups has bee......

The novel phosphors of La 2 MoO 6 activated with the trivalent rare earth Ln 3+ (Ln=Eu, Sm, Dy, Pr, Tb) ions were synthe......

A novel β-diketone, 1-(3,4,5-trisbenzyloxy)benzoyl-5-benzoyl acetylacetone (TBAA), and its corresponding binary Tb(Ⅲ) ......

One-dimensional La2O2S:Eu3+ nanowires(NWs) were fabricated with a simple hydrothermal method.The structures were charact......

The ionization current generated by two-color laser interaction with different gas atoms can produce strong terahertz(TH......

Colloidal LiYbF4:Er3+ nanorods were synthesized in an aqueous system which had the ratio of length to diameter of～2.These......

The strong yellow upconversion (UC) light emission was observed in Ho3+/Yb3+ co-doped Gd2Mo3O9 phosphor under the excita......