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Sulfonated Carbon Catalyzed Biginelli Reaction for One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones and -thiones（图）
sulfonated carbon solid acid Biginelli reaction heterogeneous catalysis solvent-free condition
2013/10/8
A sulfonated carbon material was shown to be a highly efficient, eco-friendly, and recyclable solid acid catalyst for the Biginelli reaction of β-ketoester, aldehyde, and urea or thiourea under solven...
Creep of thermoplastic polyurethane reinforced with ozone functionalized carbon nanotubes
nanocomposites carbon nanotubes mechanical properties creep
2015/3/30
This work focused on the mechanical behavior, especially creep resistance, of thermoplastic polyurethane (TPU) filled with ozone-treated multi-walled carbon nanotubes (MWCNTs). It was found that the o...
Potential Source Regions Contributing to Seasonal Variations of Black Carbon Aerosols over Anantapur in Southeast India
BC aerosol Potential sources regions AOD Å ngströ m exponent PM2.5
2016/3/25
Continuous measurements of black carbon (BC) mass concentration performed at Anantapur [14.62°N, 77.65°E, 331 m
asl], a suburban location in southeast India, using an Aethalometer from January to Dec...
New Modified-Multiwall Carbon Nanotubes Paste Electrode for Electrocatalytic Oxidation and Determination of Hydrazine Using Square Wave Voltammetry（图）
hydrazine determination modified carbon nanotubes paste electrode electrocatalytic measurement voltammetry
2013/10/8
The application of p-aminophenol as a suitable mediator, as a sensitive and selective voltammetric sensor for the determination of hydrazine using square wave voltammetric method were described. The m...
Performance Assessment of Received and Formulated Carbon Animalis: A Comparative Adsorption Isotherm Test
Methyl Red Dye Activated Carbon Adsorption Isotherm Carbon Animalis
2013/3/11
With the stated advantages of finer adsorbent of high surface area, why then do manufacturers design unspecified active carbons of granular size even for the removal of medium size particles? This res...
Compressive properties of homemade carbon fiber composite laminates with delamination defect
homemade carbon fiber composite compressive strength virtual crack closure technique element simulation
2014/5/19
Large numbers of aircraft composite structures were researched, and the distribution of delamination sizes and though thickness positions in the composite laminates were investigated. An experiment wa...
Asymmetric Variation in Soil Carbon Emission in Sub-Tropics
Soil Respiration Carbon Emission Bacterial Abundance
2013/2/26
Carbon dioxide emission from soil, known as soil respiration, is one of the major sources of the atmospheric carbon. Understanding the relationship between emission rate and the factors associated wit...
Exposure to PM10, PM2.5, PM1 and Carbon Monoxide on Roads in Lahore, Pakistan
Pakistan Particulate matter Carbon monoxide Exposure Air pollution
2016/3/28
Particulate matter pollution is one of the major environmental concerns in Pakistan. Over the past 20 years there has
been a considerable increase in the number of motor vehicles. The present study w...
An alternate approach to the preparation of transfer-free graphitic carbon films is proposed in this paper. Using a standard radio-frequency sputtering system and a high-temperature annealing procedur...
Sensitive Voltammetric Determination of Captopril Using a Carbon Paste Electrode Modified with Nano-TiO2/Ferrocene Carboxylic Acid（图）
electrocatalysis modified electrode nano-TiO2 ferrocene carboxylic acid captopril cyclic voltammetry
2013/10/10
A carbon paste electrode (CPE) modified with ferrocene carboxylic acid (FcCA) and TiO2 nanoparticles was constructed by incorporating TiO2 nanoparticles and ferrocene carboxylic acid into the carbon p...
韩国Han Kuk Carbon9日表示，与现代重工签署了624亿韩元规模的LNG船货仓保冷配件供给合同，这相当于公司最近销售的47.71%。
Human Discharge and Phytoplankton Takeup for The Atmospheric Carbon Balance
Natural Asset Financial Value Neural Network
2013/2/26
By the data of the Jiaozhou Bay (Shandong, China) from May 1991 to February 1994 and those of Hawaii from March 1958 to December 2007, with the statistics and differential equations analyzed were the ...
Estimating the Effect of Carbon Tax on CO2 Emissions of Coal in China
Carbon Tax CO2 Emissions Coal Consumption
2013/3/12
Using the co-integration model and the VAR model, this article estimates the effect of carbon taxes on CO2 emissions of coal in 2020. The estimation for the long-run price elasticity of coal in China ...
Carbon Storage in Agroecosystems: A Case Study of the Cocoa Based Agroforestry in Ogbese Forest Reserve, Ekiti State, Nigeria
Carbon Sequestration Cocoa Agroforestry Forest Conversion Global Climate Change
2013/3/12
Large areas of the indigenous tropical forests in the southwestern part of Nigeria are being converted into agricultural lands and this has been reported to have serious implications for biodiversity ...
On some studies about the dynamic mechanisms of carbon monoxide flow and diffusion during high energy gas fracturing
Low permeability High energy gas fracture CO flow/diffusion Numerical model
2012/4/12
High energy gas fracturing (HEGF) technique has been one of central stimulating measures to enhance oil recovery in low permeability reservoirs. But, in recently few years, some serious CO poisoning a...