نتایج جستجو برای: multiple fuels
تعداد نتایج: 777024 فیلتر نتایج به سال:
Ecological disturbances frequently control the occurrence and patterning of dominant plants in high-diversity communities like C(4) grasslands and savannas. In such ecosystems disturbance-related processes can have important implications for species, and for whole communities when those species are dominant, yet mechanistic understanding of such processes remains fragmentary. Multiple bunchgras...
The use of amine scrubbers to trap carbon dioxide from flue gas streams is one of the most promising avenues for atmospheric carbon dioxide reduction. However, modifications are necessary to efficiently scale these scrubbers for use in fossil fuel plants. Current advances in tailoring amines for CO2 capture involve improvements of bulk kinetic and thermodynamic parameters, with little considera...
Specific Surface Area Increment of Alumina Nanoparticles Using Mineral Fuels in Combustion Synthesis
Ammonium carbonate and ammonium sulfate have been proposed and used as two new fuels for synthesizing gamma alumina nanoparticles. The prepared samples have been characterized by X-ray diffraction (XRD), 2 N adsorption (BET) and Transmission electron microscopy (TEM). A comparison has been made between the properties of the nanoparticles synthesized by these two fuels and other conventio...
Triacylglycerols from plants, familiar to most people as vegetable oils, supply 25% of dietary calories to the developed world and are increasingly a source for renewable biomaterials and fuels. Demand for vegetable oils will double by 2030, which can be met only by increased oil production. Triacylglycerol synthesis is accomplished through the coordinate action of multiple pathways in multiple...
There continues to be significant interest in the development, certification, and use of alternative (non-petroleum) aviation fuels. The motivation for this is driven by many factors, including the growing demand and reduced supply of petroleum-derived fuels, cost volatility, and desire for a reliable domestic fuel supply. In addition, the production of alternative fuels from renewable/biologic...
Cancer-associated fibroblasts (CAFs) are major participants in the crosstalk between tumor cells and their microenvironment. CAFs provide not only multiple soluble factors but also metabolic fuels to promote tumor growth, invasion, and metastasis. We discuss recent developments delineating the effects of metabolic symbiosis between CAFs and tumor cells on tumor growth.
Chemical Looping with Oxygen Uncoupling (CLOU) is an advanced approach proposed for improving the utilization degree of solid fuels and speeding up the reaction rate in Chemical-Looping Combustion technology (CLC). In CLOU system, OC circulates between fuel reactor (FR) and air reactor (AR), providing gaseous oxygen for the combustion of fuels (in FR) and then being regenerated by absorbing gas...
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