Showing 1,981 - 2,000 results of 3,994 for search '"diameter"', query time: 0.06s Refine Results
  1. 1981

    Risk Analysis and Control Measures for Slurry Shield Tunneling Diagonally under an Urban River Embankment by Yu Liang, Xiangyu Chen, Junsheng Yang, Linchong Huang

    Published 2020-01-01
    “…Based on a cross-river tunnel project in China, the construction risks caused by the additional stress on the embankment substratum, asymmetrical embankment load, and shield tunneling in saturated fine sand are analyzed during a large-diameter slurry shield tunneling below an urban river embankment diagonally. …”
    Get full text
    Article
  2. 1982

    Bird Species Abundance and Their Correlationship with Microclimate and Habitat Variables at Natural Wetland Reserve, Peninsular Malaysia by Muhammad Nawaz Rajpar, Mohamed Zakaria

    Published 2011-01-01
    “…Results revealed that the habitat characteristics such as vegetation composition (i.e. emergent and submerged vegetations, grasses, shrubs, and trees), vegetation structures (tree diameter and height) and microclimate variables (temperature, relative humidity and light intensity) were the key factors that influenced the distribution, diversity and density of the wetland bird species. …”
    Get full text
    Article
  3. 1983

    Thermal Performance Improvement of Solar Parabolic Dish System Using Modified Spiral Coil Tubular Receiver by Rajkumar Malviya, Prashant V. Baredar, Anil Kumar

    Published 2021-01-01
    “…Material used for the reflective surface is anodized aluminum and copper for the absorber. The diameter of the aperture for the parabolic dish collector is 1.4 m. …”
    Get full text
    Article
  4. 1984

    Mechanical Properties of Steel-FRP Composite Bars under Tensile and Compressive Loading by Zeyang Sun, Yu Tang, Yunbiao Luo, Gang Wu, Xiaoyuan He

    Published 2017-01-01
    “…The increase in the postyield stiffness of SFCB rsf can delay the postyield buckling of SFCB with a large length-to-diameter ratio, and an empirical equation for the relationship between the postbuckling stress and rsf is suggested, which can be used for the design of concrete structures reinforced by SFCB to consider the effect of reinforcement buckling.…”
    Get full text
    Article
  5. 1985

    Optimization of Highly Porous Mannitol Preparation using Ammonium bicarbonate and Citric acid as Templating Agents with Spray Drying Technique by Nindya Kusumorini, Adhyatmika

    Published 2023-12-01
    “…The surface area of mannitol increased from 1.167 m2/g to 3.571 m2/g, followed by an increase in pore volume from 0.0022 cc/g to 0.012 cc/g and pore diameter from 75.33 Å to 115.2 Å. The scanning electron microscope (SEM) results are consistent with the surface area measurement results using the Surface Area Analyzer (SAA). …”
    Get full text
    Article
  6. 1986

    Effect of Two Different Ultrafast Curing Exposure Durations on the Surface Hardness of Bulk Fill Composite - An In-Vitro Study by Shekar Shobana, Anandavelu Sujareetha, Sundaresan Balagopal, Sarath Kumar, Sriganesh Angusamy, Sebatni Anisha

    Published 2023-10-01
    “…Forty-five cylindrical composite specimens were prepared to a dimension of 5 mm height and 4 mm diameter. Curing was done using three different exposure modes and duration with dual mode LED curing light as follows: Group I: Ultrafast curing mode for 1 second at 2300 mW/cm2 (n = 15); Group II: Ultrafast curing mode for 3 second at 2300 mW/cm2 (n = 15) and Group III: Standard exposure mode for 20 second at 1000 mW/cm2 (n = 15). …”
    Get full text
    Article
  7. 1987

    An investigation on the population parameters of freshwater crayfish (Pontastacus leptodactylus Eschscholtz, 1823) in Lake Yeniçağa (Bolu) by Gençay İrem, Sorguç Bura Uğur, Saygı Yasemin

    Published 2024-09-01
    “…The female specimens carried between 103 and 841 eggs each, with a diameter ranging from 2.03 to 2.82 mm. The research revealed a size range of 80–168 mm and weight range of 15–133 g for crayfish specimens. …”
    Get full text
    Article
  8. 1988
  9. 1989

    Molecular Dynamics Simulation of the Coalescence and Melting Process of Cu and Ag Nanoparticles by Hui Guo, LinFu Zhang, Qiang Zhu, ChuanJie Wang, Gang Chen, Peng Zhang

    Published 2021-01-01
    “…The coalescence point and melting temperature increase as cluster diameter increases. Moreover, the arrangement of Cu and Ag nanoparticles has a certain effect on the stability of the initial joint interface, which will affect subsequent coalescence and melting behavior.…”
    Get full text
    Article
  10. 1990

    Aqueous Extract of Saraca indica Leaves in the Synthesis of Copper Oxide Nanoparticles: Finding a Way towards Going Green by Kollur Shiva Prasad, Alakananda Patra, Govindaraju Shruthi, Shivamallu Chandan

    Published 2017-01-01
    “…The images from SEM investigation revealed that the particles are spherical in shape with average diameter of 40–70 nm. TEM and HRTEM images clearly indicate the crystallinity and spherical nature of as-synthesized CuO nanoparticles with interplanar distance between two neighboring lattice fringes of 0.315 nm.…”
    Get full text
    Article
  11. 1991

    Basic Violet Decolourization Using Alginate Immobilized Nanozirconium Tungestovanadate Matrix as Cation Exchanger by M. F. Elkady, H. Shokry Hassan, Eman M. El-Sayed

    Published 2015-01-01
    “…The SEM and TEM images of the prepared zirconium tungestovanadate identified that it was prepared in homogeneous structure with spherical shape in average diameter 22 nm. However, the optical microscope image of the composite matrix confirms the good distribution of nanozirconium tungestovanadate into the polymeric matrix. …”
    Get full text
    Article
  12. 1992

    Clinical efficacy of antibiotic-loaded bone cement and negative pressure wound therapy in multidrug-resistant organisms diabetic foot ulcers: a retrospective analysis by Huihui Guo, Zhenqiang Xue, Siwei Mei, Tengfei Li, Haiyang Yu, Tao Ning, Yongbin Fu

    Published 2025-01-01
    “…Measurements of blood inflammatory indicators, foot hemodynamic indicators, wound bacterial clearance time, wound healing time, and hospital stay were taken before and after treatment for both groups.ResultsInflammatory indexes, Vascular endothelial growth factor(VEGF), and internal diameter of dorsalis pedis arteriosus of both groups after treatment were significantly better than those before treatment, and the improvement of the experimental group was more obvious than that of the control group; the experimental group had a significantly shorter time of trauma bacterial turnover, healing time of trauma, and hospitalization time compared with that of the control group (P<0.05).…”
    Get full text
    Article
  13. 1993

    Corrosion Resistant Coating from Nano Printed Circuit Board Powder for the Reinforced Concrete Structures by R. Mohana, D. Selvaganesh, A. Anto Issac, M. Vignesh Kumar

    Published 2023-01-01
    “…From the results, it was observed that the nano PCB-coated specimens exhibited 3.5 times reduced rate of corrosion and lost only 46.15% strength and 52.5% diameter under the accelerated rate of 6 V after 48 hours. …”
    Get full text
    Article
  14. 1994

    Experimental and Numerical Simulation Study on the Evolution Mechanism of Soil Plugging Effect of Pipe Piles by Sifeng Zhang, Chaonan Wang, Wei Fan, Jianyong Han, Qian Liu, Guozhang Ren

    Published 2025-01-01
    “…The findings indicate that as wall thickness decreases, tube diameter increases, inner wall roughness diminishes, and relative density of sand and soil rises, along with an uptick in pile sinking rates, the soil plug’s height within the pile increases. …”
    Get full text
    Article
  15. 1995

    STRUCTURAL OPTIMIZATION AND FATIGUE LIFE STUDY OF AIR HAMMER BIT by FENG ChunYu, YANG ShuangQing, FAN LiMing, LIU HanGuang, LAI ShuBin, LIU YuanRi

    Published 2024-04-01
    “…Among the basic dimensions of the drill bit body, the diameter has the greatest impact on the fatigue life of the drill bit. …”
    Get full text
    Article
  16. 1996

    Effect of High Temperature Heating on Chemical Compounds in Magnesium Composite Materials by Rezza Ruzuqi, Eko Tavip Maryanto

    Published 2024-06-01
    “…Next, the materials were pelletized using a manual compacting machine with a diameter and compressive strength of 10 mm and 150 kg/cm2 respectively. …”
    Get full text
    Article
  17. 1997

    The Segmental Morphometric Properties of the Horse Cervical Spinal Cord: A Study of Cadaver by Sadullah Bahar, Durmus Bolat, Muhammet Lutfi Selcuk

    Published 2013-01-01
    “…The segmented CSC from five mature animals was used. Length, weight, diameter, and volume measurements of the segments were performed macroscopically. …”
    Get full text
    Article
  18. 1998

    Dependence of Geometric and Spectroscopic Properties of Double-walled Boron Nitride Nanotubes on Interwall Distance by Metin Aydin

    Published 2014-10-01
    “…The calculated nonresonance Raman spectra of (0,6) @(0,n)-DWBNNTs (with cell lengths of one unit and n=12-18) indicated that the radial breathing modes (RBMs) of inner (0,6) and outer (0,n) tubes are not only diameter dependent, but also exhibit a strong blue-shift for the ΔR below ~0.35 nm and rapidly approach zero with increasing ΔR reference to the position of the RBM in the spectrum of the corresponding single wall boron nitride nanotubes, (0,n)-SWBNNTs. …”
    Get full text
    Article
  19. 1999

    Rationality of the FIGO2023 staging for early-stage endometrial cancer, compared with the FIGO2009 staging by Yiqin Wang, Jianliu Wang, Xingchen Li, Aoxuan Zhu, Yangyang Dong

    Published 2024-04-01
    “…The new staging was more predictive of death postoperatively. Lesion maximum diameter (LMD) was one of the independent risk factors associated with prognosis. …”
    Get full text
    Article
  20. 2000

    Functionally graded AZ91/WC nanocomposite fabricated via friction stir processing using a novel way by Subhi A.D., Abdulkareem M.H., Hussein H.A.

    Published 2022-01-01
    “…In this work, functionally graded AZ91/WC nanocomposites were prepared by a novel multi-step chamber diameter reduction method. The WC nanoparticles were packed into chambers with graded diameters and processed by friction stirring using a tool with four-sided grooved probe. …”
    Get full text
    Article