نتایج جستجو برای: blended amine mea mdea
تعداد نتایج: 35949 فیلتر نتایج به سال:
In the present study, an enzyme-linked immunosorbent assay (ELISA) standardized with vesicular fluid of Taenia solium cysticerci was used to screen for IgG (total and subclasses) and IgE antibodies in cerebrospinal fluid (CSF) samples from patients with neurocysticercosis showing intrathecal production of specific IgG antibodies and patients with other neurological disorders. The following resu...
The medial amygdala (MeA) is a critical center for processing pheromonal signals that regulate social and reproductive behaviors, but the fundamental cellular mechanisms underlying signal processing in the MeA have remained largely unknown. Some studies suggest that the MeA belongs to the striatum and provides inhibitory output to hypothalamic areas including the ventromedial hypothalamus (VMH)...
The morphology and molecular conformation of Langmuir-Blodgett deposited and floating monolayers of a selection of straight chain (eicosanoic acid, EA), iso (19-methyl eicosanoic acid, 19-MEA), and anteiso (18-methyl eicosanoic acid, 18-MEA) fatty acids have been investigated by Vibrational Sum Frequency Spectroscopy (VSFS), AFM imaging, and the Langmuir trough. While the straight chain fatty a...
A classical force field approach was used to characterize the solvation dynamics of high-density CO₂(g) by monoethanolamine (MEA) at the air-liquid interface. Intra- and intermolecular CO₂ and MEA potentials were parameterized according to the energetics calculated at the MP2 and BLYP-D2 levels of theory. The thermodynamic properties of CO₂ and MEA, such as heat capacity and melting point, were...
Acid gas removal from gaseous streams such as flue gas, natural and biogas is mainly performed by chemical absorption with amines, but the process highly energy intensive can generate emissions of harmful compounds to atmosphere. Considering emerging interest in carbon capture, associated increasing environmental concerns, there much current effort develop innovative solvents able lower impact ...
The optimisation of Post Carbon Capture (PCC) from a Waste-to-Energy plant has been studied using Kriging surrogate models trained set rigorous process simulations. allow fast and efficient calculation model responses required for the operating parameters. Optimisation is performed Differential Evolution (DE) requiring vast amount function calculations (>1000) which would be extremely time c...
در این رساله به بررسی روش های فعالسازی mea در پیل سوختی پلیمری پرداخته شد تا بتوان درک بهتری از مکانیسم فعالسازی mea بدست آورد و براساس آن روش های فعالسازی سریع تر و موثرتری در بهبود عملکرد پیل ارائه نمود. در بررسی روش های فعالسازی mea بعد از مونتاژ پیل، اثر سه روش فعالسازی متداول (روش ولتاژ ثابتv 6/0، جریان ثابتa cm-2 25/0 و روش ارائه شده توسط انجمن پیل سوختی امریکا (usfcc)) بر عملکرد mea در ط...
معمولا در واحدهای تصفیه گاز، علاوه بر جذب H2S درصد زیادی از CO2 نیز جذب حلال میشود. جذب گاز CO2در واحدهای پالایش گاز باعث اتلاف انرژی و موجب کاهش ظرفیت واحد بازیافت گوگرد میشود. وجود درصد بالای CO2 در منطقه گازی سرخس (6/41 مول درصد درگازترش) و توجه به این مساله که اتلاف و تجزیه حلالهای شیمیایی در واحدی که مقدار CO2 درخوراک آن واحد بالاتر باشد، بیشتر است، بنابراین این تحقیق به عملکرد جذب CO2 ...
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous environmental and occupational toxicants, which are a major human health concern in the U.S. and abroad. Previous research has focused on the genotoxic events caused by high molecular weight PAHs, but not on non-genotoxic events elicited by low molecular weight PAHs. We used an isomeric pair of low molecular weight PAHs, namely 1-Methylanth...
As the aircraft industry is moving towards the all electric and More Electric Aircraft (MEA), there is increase demand for electrical power in the aircraft. The trend in the aircraft industry is to replace hydraulic and pneumatic systems with electrical systems achieving more comfort and monitoring features. Moreover, the structure of MEA distribution system improves aircraft maintainability, r...
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