Reaction conditions

This study focuses on evaluating the effectiveness of surface response analysis methodology in experimental design, modeling, and optimizing manufacturing conditions for the properties of PP/BCSi composite materials. Parameters including mixing temperature, mixing time, and screw speed have been carefully selected to optimize technological factors in material fabrication.

10p vijaychest 16-05-2024 2 0   Download

In this study, the gold nanoparticles (AuNPs) were synthesized via redox reaction, by using ethylene diamine tetra-acetic acid (EDTA) as a protecting and reducing agent, with tetrachloroauric acid (HAuCl4) as precursor and seed solution. The ultraviolet-visible spectroscopy (UV-Vis) method was utilized to investigated the reaction conditions (the EDTA:HAuCl4 ratio, the amount of seed solution and stirring solution time) at room temperature. The synthesized AuNPs were deposited on the surface of fluorine doped tin oxide (FTO) by electrophoresis deposition.

8p dianmotminh02 03-05-2024 6 1   Download

A series of chalcone analogues were synthesized using Claisen-Schmidt condensation and assayed for in vitro inhibitory activity against α-glucosidase. The synthesis involved in solvent-free reaction conditions including NaOHcatalyzed grinding or microwave irradiation in the presence of a clay-based catalyst. Hydroxychalcones and 2′-hydroxychalcones were not isolated when using grinding method, while the microwave-assisted, clay-catalyzed synthesis gave these desired products. In addition, flavanones, cyclization products from 2′-hydroxychalcones were formed in both methods.

8p dianmotminh02 03-05-2024 5 1   Download

Ebook "On-surface synthesis II: Proceedings of the International workshop on-surface synthesis, San Sebastián, 27–30 June 2016" is appearing as an extremely promising strategy to create organic nanoarchitectures with atomic precision. Molecular building blocks holding adequate functional groups are dosed onto surfaces that support or even drive their covalent linkage. The surface confinement and the frequent lack of solvents (most commonly being performed under vacuum conditions) create a completely new scenario fully complementary to conventional chemistry.

231p tracanhphuonghoa1007 22-04-2024 4 4   Download

TiO2 nanoparticles with crystallite size less than 15 nm were prepared from TiCl4 precursor by a modified sol-gel route. As-prepared TiO2 nanoparticles were extensively characterized using X-ray diffractometry, and their crystallite size was calculated using Debye-Scherrer formula.

11p viohoyo 25-04-2024 4 2   Download

Ebook "Brewing science: A multidisciplinary approach" walks students through the entire spectrum of the brewing process. The different styles of beer, the molecular makeup and physical parameters, and how those are modified to provide different flavors are listed. All aspects of the brewery process, from the different setup styles to sterility to the presentation of the final product, are outlined in full. All the important brewing steps and techniques are covered in meticulous detail, including malting, mashing, boiling, fermenting and conditioning.

412p tracanhphuonghoa1007 22-04-2024 7 3   Download

Ebook "Porosity: Establishing the relationship between drying parameters and dried food quality" provides a comprehensive overview of porosity's effects on dried food quality. The factors influencing porosity during the various drying methods are explored in depth, as well as porosity's overall effect on food properties. The chemical reaction and stability of porosity are also covered, including sensory and mechanical properties. The work looks closely at the relationship between drying conditions, pore characteristics, and dried food quality.

81p tracanhphuonghoa1007 22-04-2024 2 2   Download

Ebook "Pulse voltammetry in physical electrochemistry and electroanalysis: Theory and applications" provide a comprehensive and consistent presentation of all techniques available in this field. They rigorously analyze the behavior of different electrochemical single and multipotential step techniques for electrodes of different geometries and sizes under transient and stationary conditions. The effects of these electrode features in studies of various electrochemical systems (solution systems, electroactive monolayers, and liquid-liquid interfaces) are discussed.

678p tracanhphuonghoa1007 22-04-2024 4 3   Download

Ebook "Polyoxomolybdates as green catalysts for aerobic oxidation" describes the importance of the selective oxidation of alcohols and advantages of heterogeneous catalysts over conventional catalysts, use of environmentally benign oxidants, and the design of selective catalysts by tailoring of polyoxometalates at the molecular level. Chapter 2 describes synthesis, characterization 11-molybdophosphate based supported materials and their use as heterogeneous catalysts for oxidation of alcohols with molecular oxygen under solvent free mild reaction condition.

63p tudohanhtau1006 29-03-2024 2 1   Download

Ebook "Development of new catalytic performance of nanoporous metals for organic reactions" focus is on the study of new catalytic properties of unsupported nanoporous metals in heterogeneous organic reactions under liquid-phase conditions. The author was the first to fabricate nanoporous copper with tunable nanoporosity and apply it for organic reactions.

134p tudohanhtau1006 29-03-2024 2 1   Download

Ebook "Chemical reactions: Basic theory and computing" begins with the problem of determining the chemical reaction properties by first decomposing complex processes into their elementary components. Next, the problem of two colliding mass points is investigated and relationships between initial conditions and collision outcomes are discussed. The failure of classical approaches to match experimental information is discussed and a quantum formulation of the calculation of the properties of two colliding bodies is provided.

214p coduathanh1122 27-03-2024 7 1   Download

Part 1 book "The principles of chemical equilibrium" includes content: Sirst and second laws, auxiliary functions and conditions of equilibrium, thermodynamics of gases, equilibria of reactions involving gases, phase rule, phase equilibria in single component systems.

233p muasambanhan09 12-03-2024 2 0   Download

Ebook "Hydrosilylation: A comprehensive review on recent advances (Advances in silicon science, Volume 01)" is to comprehensively review the advances of hydrosilylation processes since 1990. The survey of the literature published over the last two decades enables the authors to discuss the most recent aspects of hydrosilylation advances (catalytic and synthetic) and to elucidate the reaction mechanism for the given catalyst used and the reaction utilization. New catalytic pathways under optimum conditions necessary for efficient synthesis of organosilicon compounds are presented.

424p manmanthanhla0201 26-02-2024 2 1   Download

In this study, methyl ester was produced through the transesterification of UCO using calcined eggshell as a heterogeneous base catalyst. The objectives of this study were to: (a) investigate the production of a renewable catalyst through eggshell calcination; (b) assess the effect of MeOH/UCO molar ratio, catalyst/ UCO catalyst content, and reaction temperature on the ester content in biodiesel; and (c) use response surface methodology (RSM) to design, analyze, and optimize experimental conditions.

8p vibego 02-02-2024 5 1   Download

Part 2 book "An introduction to chemical engineering kinetics and reactor design" includes content: Selectivity and optimization considerations in the design of isothermal reactors; temperature and energy effects in chemical reactors; deviations from ideal flow conditions; reactor design for heterogeneous catalytic reactions; illustrative problems in reactor design.

278p muasambanhan06 03-02-2024 4 1   Download

Ebook "Growth and form of self-organized branched crystal pattern in nonlinear chemical system" introduces the oscillatory reaction and pattern formation in the Belousov-Zhabotinsky (BZ) reaction that became model for investigating a wide range of intriguing pattern formations in chemical systems. So many modifications in classic version of BZ reaction have been carried out in various experimental conditions that demonstrate rich varieties of temporal oscillations and spatio-temporal patterns in non- equilibrium conditions.

79p lamquandat 28-12-2023 5 2   Download

In conclusion, the geotechnical properties of the unhydrated sand-mixed GBFS become more advantageous than those of natural sand. In addition, by mixing with natural sand, the hydration reaction rate and the solidification of GBFS are controlled. This means that it is possible to keep the compressive strength and the permeability at the predetermined conditions and, in turn, to satisfy requirements for the SCP method with LSRAR.

21p vialfrednobel 21-12-2023 3 2   Download

In this study, saline wastewater is treated by electrochemical oxidation with two types of Graphite and Ti/RuO2 electrodes. Experiments were conducted to investigate the effect of reaction conditions such as salt concentration, current density, electrolysis time and pH on COD removal efficiency and electrode activity.

8p vishekhar 25-10-2023 10 3   Download

Intravenous immunoglobulin (IVIG) is used to treat immunodeficiency conditions, neuro-immunological, infection-related, autoimmune, and inflammatory disorders and is typically well tolerated. A hematological adverse reaction such as hemolytic anemia and neutropenia is known to occur with IVIG, which is usually transient and subclinical.

5p viintuit 26-09-2023 1 0   Download

Crystalline iron boride (Fe2B) nanoparticles were successfully synthesized with magnesiothermic reduction reactions triggered by mechanochemical synthesis (MCS) and purified using selective hydrochloric (HCl) acid leaching. Various parameters of MCS were investigated in detail to optimize the synthesis conditions.

14p viberbers 09-08-2023 5 2   Download