Study on preparation

The specific objectives of this study are: 1. To conduct a literature review on carbon-based hydrogen storage electrodes and direct proton absorbance in various forms of carbon; 2. To prepare and characterise activated carbon samples with proper porosity for the present application; 3. To manufacture and characterise a range of composite materials containing carbon material and a proton-conducting medium such as nafion in various levels of hydration 4. To fabricate a number of membrane-electrode-assembly (MEA) from the composite materials;…

264p runthenight05 01-03-2023 8 3   Download

This study focuses on the stability of nano-emulsions produced by phase inversion temperature method using n-Decane and n-Dodecane as the dispersed phase and pure water/brine as the aqueous phase (continuous phase). A non-ionic surfactant (Brij 30) was used in the preparation of the nano-emulsions. Three different types salt namely \(NaCl\), \(KCl\) and \(MgC{l_2}\) were used at different concentrations.

173p runthenight07 01-03-2023 6 3   Download

The focus of this study is to investigate its optical and conductive properties under different conditions of doping environments, temperature and polymerization conditions. Optical characterization technique such as UV-Visible spectroscopy is developed to carry out the investigation. The developed nanofibers have been demonstrated to possess optical and conductive properties to be dependent on doping variables. Study of these optical properties could prove very useful in the development of electrochromic devices and gas sensors.

103p runthenight07 01-03-2023 8 3   Download

The objectives of this research work are: Study the clay intercalation by organic dye and develop a process to produce nanoclay-dye pigment with better stability and good performance; Conduct structural characterization to verify the level of intercalation and stability of clay-dye pigment by using X-Ray diffraction (XRD) and Transmission Electron Microscopy (TEM); Investigate the thermal stability of clay dye pigment using Thermo Gravimetric Analysis (TGA) to reveal the effect of dye intercalation into the clay on improving thermal stability of organic dye; Compound the clay- pigment with ...

141p runthenight07 01-03-2023 5 3   Download

The study will provide a detailed examination on the views of the finance officers and council policies on IA and depreciation information for decision-making by internal and external users. This is an important area because the preparers of GPFRs have a significant influence on the information used for both internal and external purposes. Conclusions on the consequences of current practices and recommendations for change will be developed to assist local authorities and enhance information to be included in council policies (for example accrual budgets and rating estimates) and GPFRs.

460p runthenight04 02-02-2023 12 3   Download

This thesis comprises an historical examination of the ‘Stay or Go’ policy of bushfire safety in Australia, with a particular focus on the state of Victoria, Australia. The bushfire management strategy practised in Victoria is unusual, in that public safety advice recommends residents take responsibility for deciding their response to a threatening fire. This approach is based on the belief that it is the most effective way to prevent losses.

312p runthenight04 02-02-2023 8 2   Download

The study is to help students at HaiPhong University of Management and Technology understand clearly the importance of English in interviews to prepare carefully before joining in an interview. Using English well in job interviews will give you more opportunities to get the job.

52p linyanjun_2408 21-04-2022 52 10   Download

Objectives of the dissertation: Research on the degradation process of PE films containing prooxidant additives and recycled polyethylene. After that, preparing plant polybags with different time of degradation.

27p extraenglish 24-05-2021 25 4   Download

Aims of the study: On the basis of clarifying the concept of guided self-study, teaching in the direction of helping school students with guided self-study, indicate neccessary skills as well as opportunities and ways to train university students with necessary skills so that after graduation they can teach math in the direction of helping school students self-study with guidance, contributing to training innovation at the University of Education.

28p extraenglish 26-05-2021 35 3   Download

My study is about to help the first year English majored students at Hai Phong Management and Technology University improve their speaking skill through extra- techniques and to prepare for them to the basic knowledge of speaking skill with higher requirement for the levels.

76p trinhthamhodang10 16-03-2021 36 6   Download

Objectives of this dissertation: Develop the optimal preparation procedure of modified biochar and activated carbon derived from an agricultural byproduct, such as corncob wastes; Investigate the physical and chemical properties of modified biochar and activated carbon; apply modified biochar and activated carbon in removal of ammonium from synthesised and real water under batch and column experiments.

28p capheviahe27 23-02-2021 23 3   Download

Develop a rapid and simple method for analysis of multi-residue pesticides, including organophosphate, organochlorine, carbamate, and pyrethroid compounds in soil, with sample preparation based on QuEChERS technique and determination by GC-MS.

26p capheviahe26 25-01-2021 32 4   Download

The thesis was designed to find appropriate technological conditions such as pH of solution, calcination temperature, firing time, measures of titanium metal surface treatment to fabricate hydroxyapatite coatings. (HA and FHA) on titanium substrate by solgel method capable of applying biomedical.

27p capheviahe26 25-01-2021 17 5   Download

The objective of the thesis is to successfully build up a process for preparation of bioactive water-soluble low molecular weight β-glucan product from from spent brewer’ yeast by irradiation method.

31p capheviahe26 25-01-2021 43 5   Download

The research using some advanced, environmentally friendly materials such as water-absorbing polymers and soil-binding polymers in potting medium is also a new direction to improve water retention. The study of manufacturing polybags with different degradation time combined with the use of SAP and PAM in substrates of pots to improve some features of the current nursery.

27p larachdumlanat129 20-01-2021 20 2   Download

Formulate a process to prepare dried extract powder from T. palmata leaves at a laboratory scale. Establish the quality standard and initially assess the stability of dried extract powder from T. palmata leaves. Evaluate the immune enhancement effect and the toxicity of dried extract powder from T. palmata leaves on experimental animals.

33p gaocaolon7 18-09-2020 33 1   Download

Polypropylene/ maleic anhydride /organic montmorillonite nanocomposites (PP/ MA/ Org-MMT) have been prepared via direct melt intercalation in an internal mixer. Maleic anhydride (MA) was used as a compatibilizer to improve the dispersability of the clay. The structures of nanocomposites have been characterized by X-ray diffraction (XRD), transmission electron microscopy (TEM) and scanning electron microscopy (SEM). Mechanical properties and thermal stability were determined by tensile analysis and thermogravimetric analysis (TGA), respectively.

8p 12120609 01-06-2020 23 2   Download

The superabsorbent polymers based on acrylic acid have been prepared in the presence of ammonium persulfate (APS) as initiator and N,N-methylene- bis- acrylamide (MBA) as crosslinking agent. The suspension polymerisation occurred in aqueous drops dispersed in toluene and stabilised by sorbitan monooleate. Some effects on the swelling degree and size particles such as concentrations of MBA and initiator, neutralization degree (Dn) were studied. Swelling degree 405g/g, reach maximum at 85◦C and 0.09% crosslinking agent, 1.

6p 12120609 01-06-2020 13 2   Download

The blends based on polyvinyl chloride (PVC), nitrile-butadiene rubber (NBR), natural rubber (NR) and polyethylene (PE) were made by three different methods. The mechanical properties of these blends in dependence of mixing time and temperature were characterized. The result showed that the two-step blending method, where PVC and NBR were first mixed together and then blended with NR and PE, is the best one to prepare blends with high mechanical properties.

6p 12120609 01-06-2020 16 0   Download

My study is about to help the first year English major students at Hai Phong Private University improve their speaking skill to prepare for them to the basic knowledge of speaking skill with higher requirement for the next graders.

63p queencongchua3 26-09-2019 136 17   Download