Coorbits for projective representations with an application to Bergman spaces

Recently representation theory has been used to provide atomic decompositions for a large collection of classical Banach spaces. In this paper we extend the techniques to also include projective representations. As our main application we obtain atomic decompositions of Bergman spaces on the unit ball through the holomorphic discrete series for the group of isometries of the ball

Utilization of Oyster Shell Powder for Hydration and Mechanical Properties Improvement of Portland Cement Pastes

Supplementary cementitious materials (SCMs) are usually partially substitueted at the expense of Portland cement (OPC) to reduce as possible the CO2 emmision. There has been limited studies invoved the use of Oyster shell (OS) to replace OPC. The current study investigated the properties of a ternary base batch containing Oyster shell powder (OSP). The ternary cement batch was consisting of OPC, granulated blast furnace slag (GbfS) and metakaolin (MK). The results indicated that the water of consistency and setting times (initial and final) are gradually increased. The water absorption and total porosity are decreased, while the bulk density and combined water content increased. This behaviour continued up till 16 % OSP content, but then the reverse was obtained with any further increase of OSP content. The same trend was achieved with the compressive strength. The addition of OSP often formed mono- and/or hemicarbonate instead of monosulfate because it is mainly composed of carbonates, and moreover it is stabilizing the formation of trisulphate or ettringite in the hydrated samples. The decrease of free lime contents proved that the OSP is a pozzolanic material. This was confirmed by FT-IR spectra. The optimum content of OSP was at most 16 %. &nbsp

Colorizing gray level images by using wavelet filters

© 2019 IEEE. This paper discusses a new algorithm to produce colored version of gray scale natural still images. This algorithm employs artificial neural network (ANN) to predict RGB channels using the Discrete Wavelet Transform (DWT). A group of natural color images are used to train three ANNs. The trained networks estimate low resolution RGB layers of the gray scale image which are the best match to the trained images. The colored version of the image is produced form the predicted RGB layers and information form grayscale image. The performances of the new algorithm are analyzed subjectively and objectively using the peak signal to noise and Structural Similarity, as well as it is compared to similar algorithm based on discrete cosine transform. Acceptable colorized images were obtained from different still images

Ceramic Wall and Floor Tiles Containing Local Waste of Cement Kiln Dust-Part II: Dry and Firing Shrinkage as well as Mechanical Properties

Abstract The effect of using the local electrostatic precipitator cement kiln dust waste (EPCKD) collected from Tourah Portland cement factory on the production of ceramic wall and floor tiles was studied. The EPCKD as received from the factory was used to replace gradually a part of the total ceramic batch composition of a traditional wall and floor tile composition (clay, feldspar, limestone, quartz). The thermal properties in terms of dry and firing shrinkage as well as mechanical properties in terms of bending strength of the resulting wall and floor tiles were investigated. The results showed that the EPCKD can be used with an amount of 5 up to 25 wt. % from the total batch as previously illustrated (Part I) without any dangerous adverse effects. In the second part, the results showed that the dry shrinkage was nearly unchanged, while the firing shrinkage increased as the firing temperature as well as the EPCKD content increased to reach 2.8-7.9 % at 1170-1200 °C. The green bending strength was improved and enhanced by the addition of EPCKD to reach 23.43 kg/cm 2 compared with that of the control batch (C0) 12.24 kg/cm 2 . The bending strength of the fired articles was also improved and enhanced to reach 474.31 kg/cm 2 compared with 249.09 kg/cm 2 of the control mix. Furthermore, an excellent ability to coloration of the tiles was detected

Structural Study of Basins Configuration in Mesopotamian Area

Mesopotamian Zone is a foreland basin formed by a collision between Arabian and Iranian plates. A subsurface structural study made for Mesopotamian area based on the information of the oil wells, which were used in the construction of five structural cross-sections. The sections reveal information about the difference in thickness of sedimentary formations in the basin during the geological time of Mesozoic and Cenozoic Era. As well as studied the most important reasons for the formation of surface and subsurface structures, which are attributed to three main reasons: the basement rocks and their longitudinal and transverse faults, tectonic movements that happened to the region as well as the role of salt layers or structures and their rush to the top

Image Encryption using Resilient Boolean Function and DCT

The information security is becoming more important in data storage and transmission, where images are widely used in it. The Stream cipher cryptosystems are extensively used for provide a reliable and efficient method of security. The new propose system image encryption investigated by encrypt the powerful frequency coefficients in DCT by used saturated best resilient Boolean function that constructed by Zhang's constructions that implement Maiorana-McFarland like constructions technique and its modifications. The simulation results of the proposal system calculate correlation test (Corr1) and PSNR1 to compare between original and encrypted image as parameter of robustness, and correlation test (Corr2) and PSNR2 as correlation parameter between original and decrypted image as parameter of quality in reconstruct image

New accessory palatine canals and foramina in cone beam computed tomography

Background: Palatal surgeries are associated with many complications. Accessory foramina may be a cause of concern.  The present study was conducted to assess the presence of and to evaluate the anatomical characteristics of accessory palatine foramina and related bony canals in cone beam CT scans. Materials and methods: The incidence, location, and types of foramina on the palate were evaluated in 170 CBCT scans.  Readings from coronal, sagittal, and axial planes were recorded using a computer program and evaluated. Results: Other than nasopalatine, greater and lesser palatine foramina, 278 foramina were seen in the palate in different locations. New accessory palatine foramina were found posteriorly in 14.71% of the studied scans with wide anatomical variations. Unusual foraminal canals were seen crossing the antral floor laterally. The anterior accessory palatine foramina were seen in 73.53% of scans while bilateral accessory palatine foramina were found in 43.53% of cases. Conclusions: Accessory palatine foramina and related canals are frequently seen in CBCT with many anatomical variations. New unusual connecting canals are found passing through the antral floor from palatine foramina to the lateral antral wall. These anatomical structures should be considered in preoperative planning for local analgesia and surgical interventions in the palate

Vocational Interests of Middle and High School Students in the UAE

This paper investigated the vocational interests of students in the UAE and determined its relationship to gender and grade level. The Emirates Scale for Vocational Interests- Revised (ESVI-R) was used to attain the goal of the investigation. The ESVE-R was administered to 1920 students in the different emirates who were in the 9th, 10th, 11th, and 12th grades. Accordingly, the sample was comprised of 866 (45.1%) male and 1054 (54.9%) female students. The data were analyzed using the appropriate descriptive and inferential statistical protocols. The results showed that there are significant gender differences in most of the subscales of ESVI-R whereas there are significant differences in some of the subscales according to students' grade level. The study concluded that the vocational interests of the students demonstrated stability along grade levels and that there was a notable shift in the vocational interests of female students in the trajectory of seeking an equal opportunity with their male counterparts. Keywords: Vocational interests, gender differences, grade level, UAE school students

Vocational Interests of Middle and High School Students in the UAE

This paper investigated the vocational interests of students in the UAE and determined its relationship to gender and grade level. The Emirates Scale for Vocational Interests- Revised (ESVI-R) was used to attain the goal of the investigation. The ESVE-R was administered to 1920 students in the different emirates who were in the 9th, 10th, 11th, and 12th grades. Accordingly, the sample was comprised of 866 (45.1%) male and 1054 (54.9%) female students. The data were analyzed using the appropriate descriptive and inferential statistical protocols. The results showed that there are significant gender differences in most of the subscales of ESVI-R whereas there are significant differences in some of the subscales according to students' grade level. The study concluded that the vocational interests of the students demonstrated stability along grade levels and that there was a notable shift in the vocational interests of female students in the trajectory of seeking an equal opportunity with their male counterparts. Keywords: Vocational interests, gender differences, grade level, UAE school students

Rationale and design to evaluate the PRIME Parkinson care model:a prospective observational evaluation of proactive, integrated and patient-centred Parkinson care in The Netherlands (PRIME-NL)

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