A. Z. Moshfegh Professor of Physics Department, Sharif University of Technology, Tehran, Iran Verified email at sharif.edu Rasoul Malekfar Professor of Physics, Department of Physics, Tarbiat Modares University, Tehran P.O. Box 14115-175 Verified email at modares.ac.ir
9/4/2019· Synergistic effect of three-dimensional multi-walled carbon nanotube–graphene nanofiller in enhancing the mechanical and thermal properties of high-performance silicone rubber. Polymer Int …
Some limited models have been suggested to determine the conductivity of polymer carbon nanotube (CNT) nanocomposites (PCNTs). However, earlier models (e.g., the Kovacs model) cannot properly consider the roles of the interphase regions or tunneling properties on the percolation threshold and subsequent conductivity of PCNTs.
5/8/2020· Polymer-based nanocomposite foams containing carbonic fillers have greatly facilitated scientific research efforts in electromagnetic interference (EMI) shielding, as well as piezoresistive sensing devices. The carbon-based fillers not only provide superior EMI shielding properties and extraordinary gauge factor but also offer critical advantages of electromagnetic wave absorption and …
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Graphitic carbon nitride (g-C3N4) is a metal-free conjugated polymer constructed from two-dimensional sheets with a bandgap energy of 2.7 eV, which makes it an applicable and efficient visible-active photoalyst for H2 production. In the present study, the basic
Behnam Ben Taleblu on the G-7 Summit and Iran''s Nuclear Program Paul Gionfriddo on Mental Health Care Alex Flint on Carbon Tax and Climate Change 367 Views Program ID: …
25/3/2019· Only a mutually reinforcing coination of low-carbon development and resource efficiency can shift our world economy to a low carbon pathway. The 2019 Circularity Gap report warns the rate of raw material extraction at 92 billion tonnes per year is already exceeding planetary boundaries, and that due to population and economic growth this figure could swell to a staggering 184 billion tonnes
Most of Iran''s forecast production growth comes from Iran''s preexisting crude oil production capacity that is currently shut in, while the remainder comes from newly developed fields. Iran has a nuer of new oil fields that Iranian and Chinese companies have been developing over the past several years, which have the potential to add 100,000 b/d to 200,000 b/d of crude oil production capacity
4/2/2019· Li X, Zhao Z and Pan C 2016 Ionic liquid-assisted electrochemical exfoliation of carbon dots of different size for fluorescent imaging of bacteria by tuning the water fraction in electrolyte Microchimica Acta. 183 2525–32
3/11/2003· Carbon dioxide is by far the largest of these by volume, representing about 80% of the total emissions of these six gases. Almost all carbon dioxide is emitted during the coustion of fossil fuels and OECD countries account for over half of the total carbon dioxide emission in the world while an additional four countries (Brazil, China, India and Russia) together account for a further quarter
Un avión de línea ucraniano con 176 personas a bordo, principalmente iraníes y canadienses, se estrelló este miércoles en Irán poco después de despegar de Teherán, sin dejar sobrevivientes
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29/2/2020· The IEA data coincided with Jan. 17 figures from the U.S. Energy Information Administration, which found that energy-related carbon-dioxide emissions fell by 2.1% in 2019, and predicted a 2.0%
“While nomads in Iran migrate from summer climates, for those who remain in Yadz replace the long migration by a short intra mural migration, within the walls of a single house.” In the summer, when temperatures soar to over 40 degrees C, this means using the ground floor in morning and evening, whilst escaping to the roof at night – a popular pastime in cities like Tel Aviv.
13/12/2019· Low Carbon Cities: Malaysia’s Response to the Global Climate Emergency By Nasha Lee, Environment Analyst The 2019 UN Climate Change Conference, known as COP 25, is currently underway in the Spanish capital of Madrid.
We present the first density functional theory study on α-ketoglutarate dependent halogenases and focus on the mechanism starting from the iron(IV)-oxo species. The studies show that the high-valent iron(IV)-oxo species reacts with substrates via an initial and rate
According to the International Energy Agency, the cement sector is the third-largest industrial energy consumer in the world and responsible for 7% of global carbon dioxide emissions.
Omsk Carbon Group is a manufacturer of high-tech products ensuring a significant boost in plastics and rubber production More about products go to New quality level Carbon black enhances physical and mechanical properties of materials, which makes end
An improved model for growth of multiwall carbon nanotube (MWCNT) arrays in a floating alyst (FC) reactor is developed. The model predicts the height of MWCNT arrays produced from xylene as a carbon source and ferrocene as the alyst precursor. Based on this model, growth of CNTs was studied at various operating conditions, such as temperature, alyst concentration in the feed, and
10/8/2020· Among many types of carbon based support, graphitic carbon nitride (g-C 3 N 4) has been considered as an ideal support for various metal nanoparticles 25,26,27,28,29.
15/2/2020· Irán lucha contra un problema interno: la drogadicción. En este país las drogas suelen distribuirse con mucha facilidad por dos razones, la cercanía con Afganistán (donde se …
Carbon black is used primarily as a reinforcing agent for rubber, utilized largely in the manufacturing of automotive tires. It is also used as a colorant in inks, paints, plastics, and paper. The primary hazardous air pollutant (HAP) emitted and controlled from carbon black facilities is …
2/2/2013· Free Online Library: Iranian Oil Industry Researchers Produce 8 Carbon Nanostructured Products. by "FARS News Agency"; News, opinion and commentary Petroleum industry Printer Friendly 34,341,443 articles and books
22/6/2020· Carbon pricing helps countries steer their economies towards and along a carbon-neutral growth path. This paper considers how the design of carbon pricing instruments affects their effectiveness, efficiency and feasibility. Design choices matter both for taxes and
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