-
761
Afocal Mirror Systems with Small Axial Dimensions
Published 2020-03-01“…A study was made of systems in which the diameter of the aperture diaphragm in the primary mirror is modified, which leads to a more compact system.A calculation algorithm of new the systems is proposed, with correction of the image curvature. …”
Get full text
Article -
762
Numerical Analysis of Bearing Behavior of the Prebored Precast Pile with an Enlarged Base
Published 2021-01-01“…The calculation results show that the existence of the enlarged base can greatly improve the compressive bearing capacity, increasing the diameter and height of the enlarged base is beneficial to the bearing capacity, and the influence of the diameter expansion ratio is more effective. …”
Get full text
Article -
763
Bucking Policy Optimization of Teak Log to Increase the Revenue of KPH Madiun.
Published 2017-01-01“…The log assortment was identified by its diameter, length, and quality, as raw materials of veneer, parquet, and local industry. …”
Get full text
Article -
764
Evaluation of the Primary Stability of 73 Implants with a New Macrogeometry in the Treatment of the Edentulous Maxilla by the All-on-Four Technique
Published 2024-07-01“…Evaluate the primary stability of 73 implants subjected to immediate loading and correlating this result with implant diameter and length. A cross-sectional clinical study. …”
Get full text
Article -
765
Echocardiographic evaluation of cardiac function among male adolescents at high risk of coronary heart disease
Published 2023-07-01“…A statistically significant differences between diabetics and controls for left ventricular posterior wall diameter, inter-ventricular septal diameter, and early and late diastolic flow velocity. …”
Get full text
Article -
766
Stress intensity factors analyses for external semi-elliptical crack for repaired gas-pipeline by composite overwrap under pressure
Published 2019-06-01“…When the edge of the crack is close to the outer diameter, the mode III (KIII ) is dominant and this regardless of the state of the pipelines. it can also be noted that the composite repair reduces the SIF KI by 46% and the KII by 55% and the KIII by 72% near the outside diameter of the pipe in each zone of domination. …”
Get full text
Article -
767
Torque Prediction In Deep Hole Drilling: Artificial Neural Networks Versus Nonlinear Regression Model
Published 2025-12-01“…Unlike many previous studies, this model uses hole depth as an input vector element instead of hole diameter. The model has been validated through experiments drilling AISI-304 stainless steel with hole depth-to-diameter ratios of 8 under continuous drilling conditions with ultrasonic-assisted vibration. …”
Get full text
Article -
768
Numerical Investigation of Droplet Properties of a Liquid Jet in Supersonic Crossflow
Published 2021-01-01“…Eventually, abundant numerical cases under different operational conditions were launched to investigate the correlations of SMD (Sauter Mean Diameter) with the nozzle diameter as well as the airflow Mach number, and at the same time, modified multivariate power functions were developed to describe the correlations.…”
Get full text
Article -
769
Mechanical Behavior and Calculation Method for RC Fifteen-Pile Cap of Mixed Passenger and Freight Railway Bridge
Published 2020-01-01“…Results indicated that ultimate load-bearing value of the cap increased linearly with the increase of concrete strength grade, and an increasing load-bearing capacity of the reinforcement distributed in the pile diameter range was larger than that of the uniform reinforcement; when the reinforcement ratio was 0.15%, it increased by 9.3%. …”
Get full text
Article -
770
Horizontal Vibration of Pile in Transversely Isotropic Saturated Soil Based on Saturated Porous Medium Theory
Published 2023-01-01“…The influence of soil anisotropy parameter, liquid-solid coupling coefficient, diameter-length ratio, and modulus ratio on the horizontal dynamic impedance of a single pile in transversely isotropic saturated soil was analyzed through numerical examples. …”
Get full text
Article -
771
Electrospun PET/Ag nanofiber filter membrane preparation and performance research for individual dust protection
Published 2025-01-01“…The results show that the fiber diameter of the nanofiber membrane can be effectively controlled by adjusting the mass fraction of the spinning solution, but the shape of the fiber diameter is almost unaffected; materials with different filtering effects on particulate matter can be obtained by controlling the spinning time; when the spinning solution mass fraction was 10% and the spinning time was 2 h, the PET nanofibrous membrane had the highest quality factor (0.041 Pa−1) and the best comprehensive protection performance. …”
Get full text
Article -
772
UJI ZPT HANTU DAN PUPUK NPK TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq) DI MAIN NURSERY
Published 2018-04-01“…Test of ZPT Hantu and NPK fertilizer significantly affect the growth of oil palm seedlings in Main Nursery that is on the parameters of seed height, stem diameter, leaf number and leaf area, whereas the combination of both only on bar diameter parameters that gives a real effect, with best treatment is combination giving ZPT Hantu 2 cc / l water and NPK 20 grams / plant. …”
Get full text
Article -
773
Mechanism and Control of Roadway Floor Rock Burst Induced by High Horizontal Stress
Published 2021-01-01“…Based on the above research, field tests were carried out, and the microseismic monitoring results showed that the floor pressure relief of large diameter boreholes and concrete-filled steel tube pile support effectively relieved the floor rock burst and guaranteed the safety and efficiency of roadway excavation. …”
Get full text
Article -
774
Repeated axial compressive performance of GCFST columns: Test investigation and numerical analysis
Published 2025-01-01“…The results indicate that under different length-diameter ratios, the variation trends of the load–displacement curves for the specimens are slightly different, while the stiffness degradation curves present similar variation laws. …”
Get full text
Article -
775
Inconsistent Growth Response to Fertilization and Thinning of Lodgepole Pine in the Rocky Mountain Foothills Is Linked to Site Index
Published 2012-01-01“…The increase in diameter growth with thinning and nitrogen-only fertilization was positively related to site index but not to any other site factors or pretreatment foliar variables such as nutrient concentrations, ratios, or thresholds.…”
Get full text
Article -
776
Numerical Simulation of Turbulent Fluid Flow and Heat Transfer in a Ribbed Rotating Two-Pass Square Duct
Published 2005-01-01“…The in-line <math alttext="$90^{circ}$"><msup><mn>90</mn> <mo>∘</mo> </msup> </math> ribs were arranged on the leading and trailing walls with rib height-to-hydraulic diameter ratio and pitch-to-height ratio of <math alttext="$0.136$"><mn>0.136</mn> </math> and 10, respectively. …”
Get full text
Article -
777
Records of Three Immature Gelatinous Specimens for the Turkish Mediterranean Coast with an Emphasis on Alternative Pathways
Published 2024-01-01“…Referring to the literature, Gastroblasta raffaelei was presumably about 4-5-day old (1.05 x 1.56 mm in elliptical diameter), and Podocorynoides minima about a stage of liberated eumedusoid (0.327 x 0.316 mm in bell diameter x height). …”
Get full text
Article -
778
Experimental Investigation on the Load-Carrying Capacity of Steel-to-Laminated Bamboo Dowel Connection I: Single Fastener with Slotted-In Steel Plate under Tension
Published 2021-01-01“…The effects of the thickness, dowel diameter, and end distance on the yield load, ultimate load, initial stiffness, and ductility of the connections were studied. …”
Get full text
Article -
779
Our Experience of Managing Central Airway Tumors: Anesthesia Perspectives
Published 2025-01-01“…These patients may remain asymptomatic until more than half of the airway diameter is obliterated. Anesthesia for debulking a central airway tumor is challenging. …”
Get full text
Article -
780
Biomass and Carbon Inventore of Teak (Tectona grandis L.f.) in the Community Forest of Jatimulyo Village, Karanganyar
Published 2011-01-01“…The results showed that diameter at breast height ( about 1.3 m above the ground, D) was a good predictor of tree height (H) with r2 more than 0.8886. …”
Get full text
Article