optimization of the catalyst distribution in a reactor

... In analysis, data were compared graphically and by an ANOVA analysis at the significant level α = 0.05 to test for differences (Neter et al., 1996) The visual appearance of the sand in CSFW was ... Materials and methods Sand sampling was done during January 2007 in the experimental constructed subsurface flow wetland (CSFW) located at Campus I of Can Tho University (Figure 1) The main part of the ... Soil organic matter (OM) is the organic fraction of soil, including wastewater pollutants, plant roots, animal and plant residues, and microbial biomass OM influences the chemical and physical properties...

Ngày tải lên: 24/01/2014, 00:20

... because of the way of speaking and because of the way speaking is taught As Nunan (1991) wrote “Success is measured in term of the ability to carry out a conversation in a target language” As you ... of the matches and mismatches in frequency of techniques adopted by teachers and their effectiveness Since then, we can balance them and find out the reality of teaching and learning in a class ... attitude of students and teachers toward English teaching and learning in general and a speaking lesson in particular  To get more information about the situation of teaching speaking skill in 9th...

Ngày tải lên: 15/03/2014, 10:03

... And, apart from the defence of the realm, there is no duty as important as maintaining the rule of law; and just as every fundamental aspect of the defence of the realm must be real and practical, ... that that bargain could be maintained by entirely virtual hearings It may be hard to maintain the seriousness of litigation and the trial process unless court hearings take place in a physical ... trial and the decrease in the length of the average marriage, we may be approaching a cross-over And a trial, whether criminal or civil, is the state in action, or the state in microcosm, and is therefore...

Ngày tải lên: 31/03/2014, 03:20

... the skin in the setting of a minor trauma has also been reported [10] Walking and normal weight bearing subjects the implant and bone surface to combined axial and torsional load that may play ... fixation devices developed for the management of these fractures, with majority of them belonging to either the intrameduallary or the sliding hip plate category The advantages of intrameduallary ... then placed in the dynamized position of the Gamma nail We theorized that over time with the compression of the fracture and dynamization of the nail in the setting of an unstable fracture pattern,...

Ngày tải lên: 20/06/2014, 04:20

... the skin in the setting of a minor trauma has also been reported [10] Walking and normal weight bearing subjects the implant and bone surface to combined axial and torsional load that may play ... fixation devices developed for the management of these fractures, with majority of them belonging to either the intrameduallary or the sliding hip plate category The advantages of intrameduallary ... then placed in the dynamized position of the Gamma nail We theorized that over time with the compression of the fracture and dynamization of the nail in the setting of an unstable fracture pattern,...

Ngày tải lên: 20/06/2014, 07:20

... submission All authors read and contributed to the editing and review of the manuscript and gave their approval for the final manuscript Page of Competing interests The authors declare that there are no ... publication of this case report and any accompanying images A copy of the written consent is available for review by the Editor -in- Chief of this journal Author details Department of Trauma-, Hand-, and ... events [15] Then again, Kerry et al state in their critical literature review in 2008 addressing the association between cervical spine manual therapy and cervical artery dysfunction, that ‘it is...

Ngày tải lên: 10/08/2014, 23:20

... stromal sarcoma; and adenocarcinoma with metaplasia [3] The mechanism of formation of bone and cartilage differs in the above noted groups In the lesions classified as adenocarcinoma with metaplasia, ... number of patients suggest that adjuvant chemotherapy may be of value in patient management [8] Distinguishing metaplastic carcinoma and carcinosarcoma from osteosarcoma of the breast is important, ... metaplasia, there is metaplasia of the epithelial cells to cartilage or bone while in the cystosarcoma and intra-ductal papilloma there is metaplasia of the stromal cells [4] Pathological bone formation...

Ngày tải lên: 10/08/2014, 23:21

... contributions SS was the main author who wrote the manuscript SR helped with taking the photographs AR was the senior author and managed the patient’s surgery Senevirathna et al Journal of Medical Case Reports ... suprapatellar in twothirds of patients and infrapatellar in one-third of patients [3] Arumilli et al [15] reported a case of bilateral simultaneous complete quadriceps tendon rupture in a patient ... emphasized the importance of the position of the limb and the degree of knee flexion at the time of injury In people younger than 50 to 60 years of age, the patellar tendon is the weakest link in the...

Ngày tải lên: 10/08/2014, 23:22

... with an unusual predilection for the gastrointestinal tract Gastrointestinal invasion is a rare condition and is often associated with the invasion of other visceral organs [6] Malignant melanoma ... an intraabdominal location The mean survival time of these patients is consistently less than one year The exact clinical incidence of gastrointestinal melanoma cannot be determined from any large ... (MART-1): A new monoclonal antibody for malignant melanoma diagnosis Page of terminal metastasis It has been reported that almost all the areas of the human body can be affected by melanoma metastases...

Ngày tải lên: 11/08/2014, 00:22

... in the drafting and editing of the final manuscript, and MA performed critical revisions of the manuscript DB O’C and MA performed the operation All authors read and approved the final manuscript ... mesothelioma of the peritoneum (in Italian) G Ital Oncol 1989, 9:39-42 Bansal A, Zakhour HD: Benign mesothelioma of the appendix: an incidental finding in a case of sigmoid diverticular disease ... flattened mesothelial cells sometimes described as a hobnail configuration Squamous metaplasia and papillae may also be seen (3) The clinical presentation is usually abdominal or pelvic pain, a mass found...

Ngày tải lên: 11/08/2014, 02:22

... mass of intermediate signal intensity with inhomogeneous enhancement in the suprapatellar pouch The tumour has an intra-articular (white arrow) and an extra-articular part (black arrow) and is ... films are often of poor diagnostic value because they are normal in over half of patients, and in other cases they show soft tissue density, suggesting joint effusion or a mass They may contain ... vessels or an associated arteriovenous malformation [1,2] It must be performed early in cases of associated cutaneous hemangioma or abnormal varicosity, because these findings are indicative of a more...

Ngày tải lên: 11/08/2014, 12:20

... mildly increased intra-abdominal pressure through the inferior vena cava and cranial dural sinuses At a cabin pressure of 575 mmHg, gas expands to 132% of its baseline volume at sea level [10] Expansion ... Expansion of intestinal gas may have brought about a mild elevation of intra-abdominal pressure with consequent venous rupture or thrombosis within the intra-cranial tumor The increased transmural pressure ... hemorrhage during flight ME helped during management and was a major contributor in writing the manuscript MM performed the histological examination of the tumor sample All authors read and approved...

Ngày tải lên: 11/08/2014, 12:20

... presentation A 42-year-old Greek woman was referred to the Department of Otolaryngology of Chania General Hospital, complaining of facial pain and deformity, and a radiographic finding of a round, radiolucent, ... tomography of the paranasal sinuses showing a round osteolytic lesion of the right maxillary sinus Figure Coronal magnetic resonance imaging of the paranasal sinuses showing a round, bone-expanding ... incidentally during routine laboratory testing; hypophosphatemia and increased alkaline phosphatase levels in blood may also be seen [2] Any of the skeletal bones may be affected, including the...

Ngày tải lên: 11/08/2014, 14:20

... flat epithelial atypia and lobular neoplasia, tubular carcinoma and low-grade intraductal carcinoma [5-7] Retrospective analyses have suggested that they may represent a marker of a slightly increased ... described the coexistence of, including the morphologic inter-transitions between, MLT and a variety of breast proliferations, including intraductal carcinoma, invasive carcinoma, atypical ductal hyperplasia ... continuum between MLT and mucinous carcinomas [3] The spectrum of breast alterations characterized by variably enlarged terminal-ductal lobular units lined by variably hyperplastic and variably atypical...

Ngày tải lên: 11/08/2014, 23:21

... compatible with paratuberculosis in animals (Table 1) There was granulomatous in ammation with acid-fast bacilli in the intestine and jejunal lymph nodes in the oldest animal and in the distal ... century, and there has been uncertainty whether the M a paratuberculosis strains in goats in Norway are pathogenic in cattle (Saxegaard 1990) However, several observations indicate that strains isolated ... health and had an average milk and meat production No clinical signs of paratuberculosis were noted in any animals at the time of culling Serological examinations Serological examination was...

Ngày tải lên: 12/08/2014, 15:21

... CRH in the hypothalamus and ACTH and GR in the pituitary The parameter values that can be measured are the degradation rates of CRH, ACTH, and cortisol The scaled parameter values used in simulation ... unstable steady state of GR (Figure 3a) At this point, the HPA axis reached the basin of attraction of the second stable steady state and remained there even after the removal of stress The higher ... the correlative nature of much of the existing data Since the organization of the HPA axis has been characterized to detail the feedback and feed forward signalling that regulates HPA axis function...

Ngày tải lên: 13/08/2014, 16:21

... CONCLUSIONS In this paper, we have theoretically investigated the possibility of the acoustoelectric current in the RQW with an infinite potential We have obtained analytical expressions for the acoustoelectric ... by using quantum mechanical methods We also consider the acoustic wave as a packet of coherent phonons Therefore, first we have to first find the Hamiltonian describing the interaction of the ... consider the acoustoelectric current in a GaAs RQW with an infinite potential This quantity is considered as a function the frequency ωq of ultrasound, the temperature of system T , and the parameters...

Ngày tải lên: 31/10/2015, 10:39

... Heat against Temperature 63 Figure 4.3 Variation of Argon Entropy against Temperature 64 Figure 4.4 Variation of Argon Enthalpy against Temperature 64 Figure 4.5 Variation of Argon Viscosity against ... pressure The advantages and disadvantages of the stored expendable cryogen are tabulated below: National University of Singapore Filename:TeoHY.pdf CHAPTER INTRODUCTION Table 1.2 Advantages & Disadvantages ... predict the characteristics of the cryogen, argon along the helical coil capillary tube on a miniature J-T cryocooler; ii To validate the simulation results against the experimental data obtained...

Ngày tải lên: 27/11/2015, 11:20

... of opening (b) Backward ray tracing of opening (c) Forward ray tracing of table (d) Backward ray tracing of table 118 xi List of Tables Table 4.1: Data types required for the ports of the RayTracer ... looking at the advantages of using natural daylight as an alternative to electric lighting Daylight system represents a free source of illumination of building’s internal spaces After installation, ... forward ray tracing Ray tracing algorithms could be generally categorized into two types: forward ray tracing and backward ray tracing In a forward ray tracing process as shown in Figure 4.4, a...

Ngày tải lên: 05/10/2015, 21:24

... Formation of Aerobic Granular Sludge Two AUFB reactors were used for the formation of aerobic granular sludge Air was introduced from the bottom of the reactor, and aeration rate was gradually increased ... zone) and aeration rate in continuous upflow reactors govern the washout of sludge from the reactor, and therefore, we investigated the effect of surface loading rate and aeration rate on the selection ... SVI gradually decreased due to aerobic granulation, as shown in Figs and As sludge settling ability increased, surface loading and aeration rates were gradually increased, and finally set at 1.8...

Ngày tải lên: 05/09/2013, 10:15