Mechanistic study of fischer tropsch synthesis for clean fuel production

... mechanisms for the Fischer- Tropsch Synthesis The proposed FT mechanisms normally consist of a sequence of C−O bond scission and C−C bond formation steps Each of the FT mechanisms comprises of initiation, ... proposed for the conversion of CO and H2, in order to account for the formation of different types of products Two main categories of mechanisms that have been proposed are the carbide mechanism (Fischer ... Theory Study of the CO Insertion Mechanism for Fischer- Tropsch Synthesis over Co Catalysts”, Journal of Physical Chemistry C, 113 (2009), 8357 Mingkun Zhuo, Armando Borgna, Mark Saeys, “Effect of...

Catalysts development and mechanistic study of ethanol steam reforming for low temperature h2 production

... CATALYSTS DEVELOPMENT AND MECHANISTIC STUDY OF ETHANOL STEAM REFORMING FOR LOW TEMPERATURE H2 PRODUCTION CATHERINE CHOONG KAI SHIN (B.Eng & M.Eng National University of Singapore, ... Reaction Network of Ethanol Steam Reforming Ethanol steam reforming is an endothermic reaction which produces CO2 and H2 from CH3CH2OH and steam (Eqn 2.1) C2H5OH + 3H2O → 2CO2 + 6H2 (2.1) Due to ... preadsorbed of steam followed by continuously flow of ethanol and a heating ramp of 15 K min-1 over (a) Pt/Ca-Al2O3 and (b) Rh/Ca-Al2O3 155 Figure 6.9 Product distribution of ethanol steam reforming...

Theoretical and experimental studies on the promoting effect of boron on cobalt catalyst used for fischer tropsch synthesis

... THEORETICAL AND EXPERIMENTAL STUDIES ON THE PROMOTING EFFECT OF BORON ON COBALT CATALYST USED FOR FISCHER- TROPSCH SYNTHESIS (FTS) TAN KONG FEI (B Eng & M Phil., University of Malaya, ... Armando Borgna, Mark Saeys, Effect of Boron Promotion on the Stability of Cobalt Fischer- Tropsch catalyst , Journal of Catalysis, 280 (2011), 50 XX CHAPTER INTRODUCTION Fischer- Tropsch Synthesis ... 2010) The objective of this thesis is therefore to first understand the mechanism responsible for the deactivation of Co catalyst under realistic FTS conditions The deactivation of Co catalysts...

A study of idioms containing terms for plants in english and vietnamese

... is easy to understand literal and transparent meaning 4.4 SIMILARITIES AND DIFFERENCES IN ENGLISH AND of an English and Vietnamese idiom containing TsFPs because its VIETNAMESE IDIOMS CONTAINING ... concerning idioms containing TsFPs with regard to syntactic and semantic features - Suggesting some implications for teaching and learning this popular kind of idioms in English and Vietnamese as a ... history allusion and cultural background containing TsFPs in particular as well as finding the translational 5.2.2 Implication for Teaching Idioms Containing TsFPs equivalents are not an easy task...

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Báo cáo khoa học: "A Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing" potx

... algorithm can be viewed as a form natural for it; thus we limit the comparison to the of incremental training procedure (e.g., using sto- two kinds of ME models for CMMs Note that our chastic ... string 𝑦 Performance of the application is measured in terms of character error The result of ME/L2 is better than that reported in Andrew and Gao (2007) due to the use of the variant of L2-regularized ... iter 467 85 Table Performance summary of estimators on POS tagging accuracy of the two kinds of regularizations, and indeed the differences were not statistically significant Estimation with L1...

comparative study of nanocrystalline sno2 materials for gas sensor application

... reducing gases [12] To investigate the oxidation activity of synthesized and commercial materials, we performed TPR study of SnO2 with and without Pd (Fig 6) TPR proﬁle of the synthesized SnO2 displays ... target gas is of the same order of magnitude as the resistance of the sensors on the basis of commercial SnO2 The use of synthesized SnO2 results in the highest signals (deﬁned as Rair /Rgas ) to ... 30 nm for synthesized and commercial SnO2 , respectively The temperature range for TXRD study of crystallite growth kinetics was chosen by several reasons The usual process of formation of metal...

Báo cáo khoa học: "A Comparative Study of Target Dependency Structures for Statistical Machine Translation" ppt

... constructed a string-to -dependency translation platform for comparing non-isomorphic target dependency structures Specially, we proposed an algorithm for generating word-based dependency trees from ... evaluation In Proceedings of NTCIR-9, pages 579– 584 David Magerman 1995 Statistical decision-tree models for parsing In In Proceedings of of the 33rd Annual Meeting of the Association for Computational ... toolkit for statistical machine translation In Proceedings of the ACL 2007 Demo and Poster Sessions, pages 177–180 Jeff Ma and Spyros Matsoukas 2011 Bbn’s systems for the chinese-english sub-task of...

báo cáo khoa học: "Phase 1-2a multicenter dose-escalation study of ezatiostat hydrochloride liposomes for injection (Telintra®, TLK199), a novel glutathione analog prodrug in patients with myelodysplastic syndrome" doc

... phase 1- 2a study was the first clinical study of ezatiostat hydrochloride liposomes for injection in patients with all FAB classification types of MDS In phase 1, patients with MDS were administered ... for evaluation of ezatiostat in patients with MDS Pre-clinical data have shown that ezatiostat was well tolerated at single and repeated doses (up to 1920 mg/m2/ day and 3200 mg/m2/day) in rats ... Harmonization and Good Clinical Practice standards Institutional Review Board (IRB) approval was obtained from all participating institutions (Note: authors Azra Raza and Naomi Galili moved to St Vincent's...

Báo cáo y học: "A prospective study of mental health care for comorbid depressed mood in older adults with painful osteoarthritis" potx

... Conclusions Among older adults living with painful OA, depressed mood is common and associated with increased mental health- related health care, including visits to primary care physicians and psychiatrists, ... this article as: Gleicher et al.: A prospective study of mental health care for comorbid depressed mood in older adults with painful osteoarthritis BMC Psychiatry 2011 11:147 ... significantly related to greater OA pain Depressed mood in the setting of chronic pain has been linked with greater pain intensity, anxiety[35], sleep disturbances, decreased energy, decline in cognitive...

báo cáo khoa học: " Assisted injection in outdoor venues: an observational study of risks and implications for service delivery and harm reduction programming" pps

... as: Lloyd-Smith et al.: Assisted injection in outdoor venues: an observational study of risks and implications for service delivery and harm reduction programming Harm Reduction Journal 2010 7:6 ... Discussion In our study, between and 15% of local IDU reported receiving assistance with injecting in outdoor settings and this practice was independently and positively associated with being female, ... self-inject safely In the present study, reporting assisted injection outdoors was associated with daily cocaine injection There is a dearth of information on the relationship between assisted injection...

A case study of brand develop strategy for VIDA beer

... Because of above reasons, Branding Strategy plays an important and integrated role in any organizations As many other organization, VIDA also need a good Branding Strategy and the research was carried ... The brand makes this person feel kike a Good Samaritan, ready to help other 1.1.2 Components of a brand  Brand name – that part of a brand that can be spoken  Brand mark- the element of a brand ... Brand Awareness The proportion of target customers that recall a brand Realisation by a consumer of the existence and availability of a particular product Brand awareness is a common measure of marketing...

A study of advanced control charts for complex time between events data

... Literature review Chapter 3-6 Advanced control charts developed Chapter EWMA chart for transformed Weibull data Chapter Two MEWMA charts for GBE data Chapter Design of the MEWMA chart for raw GBE ... An example of constructing MEWMA chart on raw GBE data Figure 4-3 An example of constructing MEWMA chart on transformed GBE data Figure 4-4 (a) The in -control ARL for the MEWMA chart on raw data ... Weibull data into Normal data using Box-Cox transformation Many transformation methods like the simple power transformation, exponential transformation and Box-Cox transformation for transforming...

Discovery and mechanism of action study of anti viral compounds for dengue virus

... BIOLOGY OF DENGUE VIRUS 1.2.1 Taxonomy of dengue virus Dengue virus (DENV) belongs to the family of Flaviviridae that consists of three genera, flavivirus (e.g dengue virus, West Nile virus, and ... BIOLOGY OF DENGUE VIRUS 1.2.1 Taxonomy of dengue virus 1.2.2 Structure and genetic organization of dengue virus 1.2.3 Viral infection cycle 1.2.4 Viral proteins ... cases of dengue fever occurring every year, hence there is a need for drug -discovery and vaccine development for dengue fever The aim of this thesis is to identify and characterize three antiviral...

A comparative study of low cost biomaterials for the removal of chromium (VI III) from aqueous solutions

... A COMPARITIVE STUDY OF LOW- COST BIOMATERIALS FOR THE REMOVAL OF CHROMIUM (VI/ III) FROM AQUEOUS SOLUTIONS SYAM KUMAR PRABHAKARAN (B.Tech (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER ... studied for Sargassum, Ulva, used tea and coffee dusts The adsorption capacity of Ulva was lower compared to that of Sargassum The removal of hexavalent chromium by seaweeds was observed as a process ... storage of the algal sample 3.2.2 Ulva The green colored marine algae Ulva fasciata sp., used in the present study, was collected from the coastal belt of Thiruvananthapuram, Kerala, India The...

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