removal of concrete for repairs
Utilization of activated carbon for the removal of basic dyes in fixed-bed microcolumn
... the resulting shape of the breakthrough curve Comparing the performance of F400 with that of PAC2 at the same experimental conditions, F400 is more effective for the removal of MB and BY from aqueous ... time = 62 (min) Comparing the performance of F400 with that of PAC2 at the same experimental conditions, it is recognised that F400 is more efficient for the removal of MB from aqueous solution using ... performance than PAC2 for the removal of BY dye This is evident from a comparison of the time required to reach breakthrough point, time = 46 (corresponding to volume = 92 cm3) in the case of...
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Báo cáo sinh học: " Research Article A New Switching-Based Median Filtering Scheme and Algorithm for Removal of High-Density Salt and Pepper Noise in Images" pptx
... Results of different filters for Lena image (a) Output of SMF (b) Output of PSMF (c) Output of AMF (d) Output of DBA (e) Output of REMF (f) Output of PA Row 1–Row show processed results of various ... Results of different filters for Boat image (a) Output of SMF (b) Output of PSMF (c) Output of AMF (d) Output of DBA (e) Output of REMF (f) Output of PA Row 1–Row show processed results of various ... Results of different filters for Cameraman image (a) Output of SMF (b) Output of PSMF (c) Output of AMF (d) Output of DBA (e) Output of REMF (f) Output of PA Row 1–Row show processed results of various...
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Báo cáo hóa học: "Research Article A Novel Semiblind Signal Extraction Approach for the Removal of Eye-Blink Artifact from EEGs" potx
... 22] for a set of synthetic mixtures of analytic sources Four signal sources, namely, two sinusoids of frequencies of 10 Hz and 12 Hz representing brain rhythmic waves, a spiky source standing for ... array of spacetime frequency In other words, for I EEG channels, we compute the energy of the time-frequency transform for J time instants and K frequency bins By stacking these I matrices (of size ... distribution of the extracted factor as a prior information, eye-blink artifacts are effectively removed In Kianoush Nazarpour et al Before artifact removal After artifact removal Spectral signature of...
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Báo cáo hóa học: " Research Article A Nonlinear Decision-Based Algorithm for Removal of Strip Lines, Drop Lines, Blotches, Band Missing and Impulses in Images and Videos" docx
... better solution for removal of impulse noise with better edge and fine detail preservation Several adaptive algorithms [6–9] are available for removal of impulse noises However, none of these algorithms ... log10 √ (10) The performance of several new algorithms [12–14] in respect of impulse noise removal is shown in Table The proposed algorithm also performs well in removal of impulse noise along ... median/mean algorithm for removal of drops lines, strip lines, white bands, black bands, blotches, and impulses with minimum of blurring is developed The performance is evaluated in terms of MSE, PSNR,...
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Magnetic chitosan nanoparticles for removal of Cr(VI) from aqueous solution
... the form of H2CrO4, while in the pH range of 1–6, different forms of chromium 2− − 2− − such as Cr2O7 , HCrO4 , and Cr3O10 coexist while HCrO4 predominates 2− 2− As the pH increases, those form ... sorption experiments were performed by batch method Samples of 0.1 g of magnetic chitosan nanoparticles were equilibrated with 50 mL of solution containing various amount of Cr(VI) The pH value X-ray ... capacity of Cr(VI) absorption occurred at pH of The explanation would be addressed as the pH of the aqueous solution affects to stability of chromium speciation and the surface charge of the adsorbent...
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Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution
... isotherms are one of the most useful data to understand the mechanism of the adsorption and the characteristics of isotherms are needed before the interpretation of the kinetics of the adsorption ... chitosan (high loading of Fe3O4 core, thin layer of chitosan shell) on Fe3O4 particles Therefore, maintaining such a high saturation magnetization Fig Schematic formation process of chitosan/magnetite ... 1, δ(N–H), amide II of primary amine: 3400, 1638 cm− By comparison of IR spectra of a, b, c samples it can be noted that the presence of chitosan did shift IR vibrations of Fe3O4 but did not...
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Standard Method of Test for Slump Loss of Portland Cement Concrete ppsx
... 3.5.2 Isolate the concrete from vibration for the duration of the test 3.5.3 Obtain concrete from the simulated in-place concrete and perform slump every hour until slump has ... Number Project Number Class of Concrete Ready Mixed Plant Date of Test Contractor/Company and signatures of persons performing tests: SCDOT Witness: Notes: SCDOT OMR Form No 712.1 ... whichever comes first 3.6.2 After performing the initial tests, slowly agitate the mixer drum just prior to performing the next set of tests Mix the test batch concrete for at least one minute at mixing...
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báo cáo khoa học: "Use of 3D-computed tomography angiography for planning the surgical removal of pineal region meningiomas using Poppen''''s approach: a report of ten cases and a literature review" pptx
... performed during the follow-up period to check for any recurrence of meningiomas Criteria of inclusion (1) The sites of the meningiomas were restricted to the quadrigeminal cistern or the rear of ... is clinically feasible for the treatment of meningiomas within the pineal region, and it provides a good prognosis for patients Page of and blood supply [9] The degrees of staining were severe ... Except for the falx and tentorium, the surgical removal of pineal region meningioma is also affected by the VC of the pineal region [17,18] Pineal region meningioma commonly results in a shift of...
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Báo cáo y học: "Treatment of stasis dermatitis using aminaphtone: Removal of a below knee plaster cast worn for 28 months: a case report" docx
... demonstrating the appearance of leg after cast removal Figure Photograph of showing small skin pits with pink granulation tissue following removal of scales Ingoe et al Journal of Medical Case Reports ... informed consent was obtained from the patient for 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 ... Report of a case Arch Dermatol 1968, 98:159-161 doi:10.1186/1752-1947-5-74 Cite this article as: Ingoe et al.: Removal of a below knee plaster cast worn for 28 months: a case report Journal of Medical...
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báo cáo khoa học: " Piezoelectric-assisted removal of a benign fibrous histiocytoma of the mandible: An innovative technique for prevention of dentoalveolar nerve injury" pps
... frequency of Piezosurgery is optimal for mineralized tissue it does not cut soft tissue and therefore provides a technique for osteotomy to remove bony mass of the mandible and prevent anatomic soft ... Armed Forces Institute of Pathology (U.S.): Tumors of bone and cartilage, by Harlan J Spjut [et al.] Washington,: Armed Forces Institute of Pathology; 1971 White RD, Makar J Jr: Xanthofibroma of ... Written informed consent was obtained from the patient for publication of this case report and accompanying images A copy of the written consent is available for review by the Editor-in-Chief of this...
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báo cáo khoa học:" Endoscopically assisted procedure for removal of a foreign body from the maxillary sinus and contemporary endodontic surgical treatment of the tooth" ppt
... sinus Figure Intraoperative endoscopic view of the foreign body removal Intraoperative endoscopic view of the foreign body removal Page of (page number not for citation purposes) Head & Face Medicine ... roots Discussion Removal of foreign bodies through an endonasal endoscopic approach is the treatment of choice [1] Endoscopically assisted Caldwell-Luc procedure for removal of a surgical bur ... Intraoperative endoscopic view of the foreign body in the supero medial aspect of the maxillary sinus Intraoperative endoscopic view of the foreign body in the supero medial aspect of the maxillary sinus...
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commentary on standard practice for design and construction of concrete silos and stacking tubes for storing gran
... description of the vertical slipform process The rate of advancement of the slipform system shall be slow enough that concrete exposed below the bottom of the forms will be capable of supporting ... construction method of controlling the initial set of concrete and, therefore, the rate at which slipforms and/or jumpforms may be raised During the actual construction operation, the amount of admixture ... constant rate of rise for the forms COMMENTARY ON DESIGN AND CONSTRUCTION OF CONCRETE SILOS AND STACKING TUBES Concrete which includes accelerators or retarders should be placed in uniform depths...
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considerations for design of concrete structures subjected to fatigue loading
... influence of range of loading For a zero static loading.3,44Fatigue strength of concrete for a life of ten minimum stress level, the maximum stress level the concrete million cycles -for compression, ... for Structural Concrete for Buildings Building Code Requirements for ReinACI 318-89 forced Concrete ASTM A 416-90 Standard Specification for Uncoated Seven Wire Stress Relieved Steel Strand for ... PROPERTIES OF COMPONENT MATERIALS The fatigue properties of concrete, reinforcing bars, and prestressing tendons are described in this section Much of this information is presented in the form of diagrams...
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guide for consolidation of concrete
... centrifugal force of form vibrators needed to provide adequate consolidation: For plastic mixtures in beam and wall forms: Centrifugal force = 0.5 [(mass of form) + 0.2 (concrete mass)] For stiff ... Consolidation of Concrete in Congested Areas 318 Building Code Requirements for Reinforced Concrete 347 Recommended Practice for Concrete Formwork 544.1R State -of- the-Art Report on Fiber Reinforced Concrete ... 9.4(c)—Systematic vibration of concrete layer CONSOLIDATION OF CONCRETE ed, the top of the coarse aggregate should be approximately at the level of the concrete surface The amount of concrete that can...
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guide for design and construction of concrete parking lots
... Plain Bars for Concrete Reinforcement Specification for Axle-Steel Deformed and Plain Bars for Concrete Reinforcement Specification for Low-Alloy Steel Deformed Bars for Concrete Reinforcement ... Specification for Steel Welded Wire Fabric, Deformed, for Concrete Reinforcement Specification for Deformed and Plain Billet-Steel Bars for Concrete Reinforcement Specification for Rail-Steel, Deformed ... Design of Concrete Overlays for Pavements Guide to Sealing Joints in Concrete Structures Guide for Concrete Inspection Specification for Steel Welded Wire Fabric, Plain, for Concrete Reinforcement...
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guide for determining the fire (reapproved 1994) endurance of concrete elements
... the information in Table 4.1 be used for designing reinforced concrete columns for exposure to fire This information is based on the results of a comprehensive series of fire tests on concrete ... I,,, Aggregate Concrete Thickness of Concrete Bose Slob, in Fig 2.4.2.4(d)-Dashed line indicates fire endurance of hr for carbonate aggregate concrete base slabs with overlays of concrete having ... Institute’s Information Sheet No 14 on “Fire Resistance of Expanded Shale, Clay and Slate Concrete Masonry.” CHAPTER 4-REINFORCED CONCRETE COLUMNS 4.1-General Reinforced concrete columns have performed...
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standard practice for design and construction of concrete silos and stacking tubes for storing granular materials
... Materials 214 Recommended Practice for Evaluation of Strength Test Results of Concrete 214.1R Use of Accelerated Strength Testing 215R Considerations for Design of Concrete Structures Subjected to ... dimension between sides of wall forms, nor larger than three-eighths of the minimum clear spacing between individual reinforcing bars or vertical bundles of bars 2.4—Water Water for concrete shall be ... fraction thereof 3.3.2 Accelerated curing and testing of concrete cylinders shall conform to ASTM C 684 3.4—Details and placement of reinforcement 3.4.1 Horizontal tensile reinforcement in silo...
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guide for the analysis, design, and construction of concrete-pedestal water towers
... and Plain Bars for Concrete Reinforcement A 706/A 706M Standard Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement C 33 Standard Specification for Concrete Aggregates ... Verification of concrete strength by one of the methods in Section 3.2.8.2 is recommended for form removal A3.4—Reinforcement ACI 315 provides guidance for detailing reinforcement A3.5 Concrete finishes ... and Detailing of Concrete Reinforcement ACI 318 Building Code Requirements for Structural Concrete ACI 336.3R Design and Construction of Drilled Piers ACI 347R Guide to Formwork for Concrete ACI...
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practices for evaluation of concrete in existing massive structures for service conditions
... Hardened Concrete Test Method for Static Modulus of Elasticity and Poisson’s Ratio of Concrete in Compression Test Method for Pulse Velocity Through Concrete Test Method for Resistance of Concrete ... Metals in Concrete 224.1R Causes, Evaluation, and Repair of Cracks in Concrete Structures 228.1R In-Place Methods for Determination of Strength of Concrete 437R Strength Evaluation of Existing Concrete ... Survey of Concrete in Service 201.2R Guide to Durable Concrete 210R Erosion of Concrete in Hydraulic Structures 221R Guide for Use of Normal Weight Aggregates in Concrete 222R Corrosion of Metals...
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guide for submittal of concrete proportions
... Recommended Practice for Evaluation of Strength Test Results of Concrete 301 Specifications for Structural Concrete 318 Building Code Requirements for Structural Concrete 544.3R Guide for Specifying, ... American Concrete Institute (ACI) 104R Preparation of Notation for Concrete 116R Cement and Concrete Terminology 211.1 Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete ... Specification for Lightweight Aggregate for Structural Concrete C 494 Standard Specification for Chemical Admixtures for Concrete D 448 Classification for Sizes of Aggregate for Road and Bridge Construction...
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