Co-benefits from CO2-emission reduction measures in Shanxi, China: A first assessment

This paper analyses a set of CO2-reducing abatement options related to coal consumption in Shanxi, China. The costs and potential for abatement are investigated for different economic sectors, and the entailed emission reductions are estimated in terms of CO2, SO2, and particles. The present population-weighted exposure level for particles and SO2 is estimated using air quality monitoring data, and a simplified methodology is applied to estimate the reduced population exposure resulting from the abatement measures. By means of exposure-response functions from Chinese and international epidemiology, the health effects from implementing the measures are indicated. An economic evaluation of the reduced health effect is made by employing unit prices of health impacts based on the damage cost approach. Estimates of the present agricultural crop loss attributable to enhanced levels of surface ozone are also given. The impact of emission reductions within Shanxi province is, however, limited due to the regional feature of ozone formation. This first assessment of CO2-reducing abatement options in Shanxi demonstrates that the measures are profitable in a socioeconomic sense. However, the study also demonstrates a certain lack of synergy between the options with respect to their effectiveness in meeting local, regional and global environmental concerns

Surfactant-Assisted in situ Chemical Etching for the General Synthesis of ZnO Nanotubes Array

In this paper, a general low-cost and substrate-independent chemical etching strategy is demonstrated for the synthesis of ZnO nanotubes array. During the chemical etching, the nanotubes array inherits many features from the preformed nanorods array, such as the diameter, size distribution, and alignment. The preferential etching along c axis and the surfactant protection to the lateral surfaces are considered responsible for the formation of ZnO nanotubes. This surfactant-assisted chemical etching strategy is highly expected to advance the research in the ZnO nanotube-based technology

Data mining of graduation project selection database

AbstractIn order to improve the quality of graduate project, a database system of hundreds of graduation project selection results was established in C# language of Visual Studio. The information system was data mined with ID3 algorithm, and a decision tree is gained for researching these graduation projects choices. The mining results of software testing demonstrate that the quality of graduation project selection is associated with the difficulty, project direction and major direction mostly, which guilds the students to choose their suitable graduation projects in time, improving the efficiency and quality of graduation project selection greatly

Co-benefits from CO2-emission reduction measures in Shanxi, China: A first assessment

This paper analyses a set of CO2-reducing abatement options related to coal consumption in Shanxi, China. The costs and potential for abatement are investigated for different economic sectors, and the entailed emission reductions are estimated in terms of CO2, SO2, and particles. The present population-weighted exposure level for particles and SO2 is estimated using air quality monitoring data, and a simplified methodology is applied to estimate the reduced population exposure resulting from the abatement measures. By means of exposure-response functions from Chinese and international epidemiology, the health effects from implementing the measures are indicated. An economic evaluation of the reduced health effect is made by employing unit prices of health impacts based on the damage cost approach. Estimates of the present agricultural crop loss attributable to enhanced levels of surface ozone are also given. The impact of emission reductions within Shanxi province is, however, limited due to the regional feature of ozone formation. This first assessment of CO2-reducing abatement options in Shanxi demonstrates that the measures are profitable in a socioeconomic sense. However, the study also demonstrates a certain lack of synergy between the options with respect to their effectiveness in meeting local, regional and global environmental concerns

A proposed industrial-boiler efficiency program in Shanxi: potential CO2-mitigation, health benefits and associated costs

An industrial boiler-efficiency improvement program (IBEI) that focuses on simple, inexpensive measures to improve the operating efficiency of coal-fired industrial boilers in Shanxi, China, is presented. The potential mitigation of CO2 emissions and its cost, based on this program, are calculated together with estimates of health benefits associated with the reduction of air pollution. The results show that, if the average efficiency of industrial boilers were improved from 60 to 70%, 3 million tons of coal could be saved, and CO2 emissions be reduced by 5 million tons annually at a cost of less than US$2 per ton of CO2. The health benefits are valued at about US$86 million per year, including the avoidance of about 700 premature deaths annually. The proposed IBEI program would, therefore provide an ideal case by which to address the issue of global warming in China and to achieve national goals concerning the growth of the economy, and environmental protection.

Genetic and pathological findings in a boy with psoriasis and C3 glomerulonephritis: A case report and literature review

Abstract Background Psoriasis is a chronic inflammatory dermatosis with complex genetic basis supported by family investigation. Renal involvement in psoriasis is sparsely studied and its pathogenesis is still unclear. Methods and Results We describe the case of a 7‐year‐old boy presented new onset of nephropathy two weeks after a flare‐up of psoriasis. His mother had a long history of psoriasis without abnormal urinalysis records. The case showed non‐nephrotic range proteinuria, microscopic hematuria without any other abnormal results including renal function, complement cascade, and ultrasound. Renal pathological demonstrated the diagnosis of C3 glomerulonephritis (C3GN) showing mesangial proliferative glomerulonephritis with C3 staining only, effacement of podocyte process and intramembranous electron dense deposit by electric microscopy. Parent‐child trio WES performed to screening the common variants of psoriasis susceptibility locus and also the rare variants associated with C3GN. We identified a missense single nucleotide polymorphism of CARD14 (*607211, rs34367357, p.Val585Ile) carried by the proband and his mother. Meta‐analysis proved the association of rs34367357 and psoriasis (p = 0.006, OR = 1.23). A hemizygouse mutation of CLCN5 (*300008, c.1904A＞G,p.Asn635Ser) was identified for diagnosis of Dent disease (*300009). Conclusion The case highlights the genetic study is necessary to facilitate disease differentiation in new onset of nephropathy with psoriasis in children