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5621
Experimental Study on the Performance and Microstructure of Cementitious Materials Made with Dune Sand
Published 2016-01-01“…Correspondingly the specimens present a lower porosity and total volume of pores at different curing ages. The SEM observation indicates that there are quite a lot of hydrate products such as calcium silicate hydrate gel in the matrix which verifies the formation of cementitious compounds. …”
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5622
A comprehensive review of composting from coffee waste: Revalorization of coffee residue in Colombia
Published 2024-03-01“…The conversion of this coffee biomass waste into compost, and using it as a soil amendment, can reduce the waste volume, improve soil physico-chemical properties, enhance the nutrient use efficiency of crops, and correct the typical soil acidity of Colombian soils used for coffee production. …”
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5623
Effects of Nb–Ti double microalloying on the grain structure and precipitates of hot compressed FeCrAl alloys
Published 2025-03-01“…Additionally, incomplete recrystallization was observed at 1100 °C, with a limited increase in the grain size and a decrease in the size and volume fraction of the Nb-rich and Ti-rich precipitates. …”
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5624
NaI(Tl) Detector Efficiency Computation Using Radioactive Parallelepiped Sources Based on Efficiency Transfer Principle
Published 2015-01-01“…This method is straightforwardly useful in setting up the efficiency calibration curve for NaI(Tl) scintillation detector, when no calibration sources exist in volume shape. The values of the efficiency calculations using theoretical method are compared with the measured ones and the results show that the discrepancies in general for all the measurements are found to be less than 6%.…”
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5625
Comparing the trend of changes in oxygen pulse (RH/VO2) during maximal exercise after severe and moderate warming in women basketball players
Published 2017-08-01“…The indicators of oxygen volume and oxygen pulse were measured using the device of breath-to-breath analysis. …”
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5626
Crackle Pitch Rises Progressively during Inspiration in Pneumonia, CHF, and IPF Patients
Published 2012-01-01“…Increased crackle pitch at larger lung volumes is likely a result of recruitment of smaller diameter airways. …”
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5627
Big Data-Based E-Commerce Transaction Information Collection Method
Published 2021-01-01“…With the rapid growth of transaction volume on e-commerce platforms, a large amount of transaction data has been accumulated. …”
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5628
Blue photoluminescence from active carboxyl adatoms on nanoporous anodic alumina films
Published 2025-01-01“…Therefore, it is suggested that controlling the adsorption of the carboxylate on the alumina membrane having large surface-to-volume ratio can be an efficient way to generate the blue light for the optoelectronic applications.…”
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5629
A Large-Scale Network Data Analysis via Sparse and Low Rank Reconstruction
Published 2014-01-01“…Moreover, the experiments have demonstrated the robustness of the algorithm as well even when the network traffic is polluted by the large volume anomalies and noise.…”
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5630
Calculation of Cracks in Partially Steel Fiber Reinforced Concrete Beams with BFRP Bars
Published 2022-01-01“…The effects of steel fiber volume rate and steel fiber concrete thickness on the crack development and crack resistance of basalt fiber reinforced polymer (BFRP) beams were investigated by flexural tests on six partially reinforced BFRP steel fiber reinforced concrete beams. …”
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5631
Internal Spreading of Papillary Thyroid Carcinoma: A Case Report and Systemic Review
Published 2018-01-01“…Preoperative CT and intraoperative frozen section are helpful for surgical volume selection of PTC with internal spread.…”
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5632
Evaluation of Small-Scale Irrigation Scheme Performance and Proposed Alternative Mitigation for Improved Water Management on Wezeqa and Gatto Irrigation Schemes, Southern, Ethiopia
Published 2024-01-01“…To solve the water shortage for both systems, water-harvesting technology was proposed having a net volume of harvesting water during the night storage of 13,093.7 and 15,897.6 m3 for Wezeka and Gatto, respectively. …”
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5633
Presumed Pediatric Isolated Oculomotor Nerve Schwannoma - A Case Report
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5634
Research Progress and Frontal Analysis of Sponge Cities in China During the “13th Five-Year Plan”
Published 2021-01-01“…In order to deeply explore the research progress of sponge cities in China during the “13th Five-Year Plan” period,and to predict the development direction of the research in the “14th Five-Year Plan”,taking a total of 1 157 documents from CNKI in 2016—2020 as data base,this article sets the node types in the CiteSpace to authors,institutions,and keywords in turn,and prepares various visual knowledge graphs about sponge city research and analysis,as well as summarizes and analyzes the research on sponge cities in terms of research status,focus,and development trends.The results show that:①During the “13th Five-Year Plan” period,research on sponge cities showed a steady upward trend.②There were more and more cooperation among authors with a high volume of articles,but the cooperation is still limited to the same institution or the same region.③The research institutions mainly include universities,urban or municipal planning and design enterprises,and scientific research institutes,which are mainly located in Beijing and the eastern coastal areas of China.Although the communication between institutions are less,there is also a trend of cross-regional cooperation in the later period.④The research hotspots of sponge cities are closely related to the national policies and the construction needs of sponge cities.⑤How to improve the drainage and waterlogging prevention capacity of urban facilities,and to slow down and eliminate the waterlogging in cities are still the key topics of future research.How to build sponge cities according to local conditions and promote the mutual adaptation of cities and the environment can also be one of the research focuses in the future.…”
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5635
Scale Effect on the Anisotropy of Acoustic Emission in Coal
Published 2018-01-01“…This may result from the increasing amount of both preexisting discontinuities and cracks (volume/number) needed for specimen failure and the lower energy dissipation AE counts generated by them. …”
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5636
Analysis of the Hybrid of Mudar/Snake Grass Fiber-Reinforced Epoxy with Nano-Silica Filler Composite for Structural Application
Published 2022-01-01“…The composites showed that the highest mechanical properties were found at 30% fiber volume. The maximum tensile strength is 45 MPa, and the flexural strength is 51 MPa. …”
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5637
The Role of Quantitative Easing on the Stability of Financial Markets in Iran
Published 2024-12-01“…To estimate the model from some observable variables, the effects of quantitative easing on financial market variables, including (liquidity volume, capital adequacy rate, credits granted to the private sector by banks, bank deposit interest rate, stock market index and exchange rate) were estimated. …”
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5638
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5639
Effect of Crushed Concrete on Some Properties of Modified Reactive Powder Concrete Reinforced With Micro Steel Fibers
Published 2025-01-01“…Micro steel fibres (1% by volume of the concrete) and crushed concrete (25% and 100%) of the original reactive powder concrete were added to the mix instead of fine sand and micro steel fibres before the casting. …”
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5640
Quantitative Characterization of Tight Rock Microstructure of Digital Core
Published 2022-01-01“…The results show the following: (i) It is highly accurate to determine 3D digital core by comparing porosity measurement and calculating porosity; (ii) the average pore radius of the three samples is more than 7 μm, the pore number is less than 651, the average throat length is greater than 159 μm, and the percentage of connected pore volume is above 95%; (iii) large pores are mainly developed in the reservoir, while a certain number of isolated pores exist, and the connected pores are distributed in sheets and strips; (iv) the pores of tight reservoir are mainly micron pores, and the distribution frequency histogram of pore radius is single peak; (v) porosity is related to connectivity, pore radius, and pore number; and (vi) the influence of throat on porosity and permeability is greater than that of pore. …”
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