-
661
Research on Modeling and Suppression of the Tooth Profile Envelope Error of Non-circular Gear Hobbing
Published 2023-09-01“…The tooth profiles at different positions of the non-circular gear pitch curve have the characteristics of equal modulus but unequal curvature radius and polar diameter. The distribution characteristics of the envelope curve of each tooth profile formed during the hobbing process are different, which lead to the unequal envelope error of the tooth profile at different positions. …”
Get full text
Article -
662
Analysis of Model Parameters for a Polymer Filtration Simulator
Published 2011-01-01“…A filter may have multiple layers, characterized by thickness, porosity, and average pore diameter. In this work, the thickness of each layer is fixed, while the porosities and pore diameters vary for a two-layer and three-layer study. …”
Get full text
Article -
663
Optimization of Process Parameters for Friction Stir Welding of Different Aluminum Alloys AA2618 to AA5086 by Taguchi Method
Published 2022-01-01“…Consideration was given to a variety of factors including rotational and cross-sectional speeds, geometry, and the tool-to-pin-diameter ratio. The tensile strength of the joint was used to identify the best procedure parameters. …”
Get full text
Article -
664
Effects of Electrospinning Parameters on the Morphology of Electrospun Fibers
Published 2024-10-01“…Different parameters such as polymer concentrations, diameter of needles, and applied voltage were tested to study the influence on the hydrophobicity of electrospun fibers. …”
Get full text
Article -
665
Anatomical and chemical characterization of Alstonia boonei for pulp and paper production
Published 2021-11-01“…The basic density (BD), fibre characteristics [fibre length (FL), fibre diameter (FD), lumen diameter (LD) and wall thickness (WT)], derived anatomical indices [Flexibility Ratio (FR), Slenderness Ratio (SR), Rigidity Coefficient (RC), Luce’s Shape Factor (LSF), Solids Factor (SF) and Runkel Ratio (RR)] and chemical composition (lignin, holocellulose, 1% NaOH solubility and ash contents) of A. boonei were studied to evaluate variation along the trunk (base, middle and top portions) and ascertain its suitability for pulp and paper production. …”
Get full text
Article -
666
Fourier-invariant autofocused Laguerre-Gaussian beams
Published 2024-04-01“…Thus, while maintaining the beam topological charge, the effective diameter of the central dark intensity spot can be increased or decreased by changing the radial index of the Laguerre polynomial. …”
Get full text
Article -
667
Numerical Simulation of Solid-liquid Phase Flow in Siphon Axial-flow Pump Unit
Published 2020-01-01“…The results show that:Compared with the clear water conditions at the same flow rate, both the efficiency and lift ofthe unit operating in sediment-laden water are lower, as well as the flow state in the outletchannel and the guide vane is worse; With the increase of the solid-phase particle diameter,the volume fraction of particles on the impeller blades surface increases gradually, while theuniformity of the particle volume distribution is worse. …”
Get full text
Article -
668
A Comparative Study between Via-Hole and Via-Free Grounded Coplanar Waveguide to Microstrip Transitions on Thin Polymer Substrate
Published 2015-01-01“…Bandwidth of optimized via-holed transitions increases with the via-hole diameter, up to 75 GHz with 300 μm via-hole diameter. …”
Get full text
Article -
669
Impact of Core Cell Size on Selected Properties of Honeycomb Paperboard
Published 2025-01-01“…Five paperboards made of the same fibrous materials of the same thickness and different core cell diameter D were tested, equal to 10, 12, 14, 17, and 22 mm, respectively. …”
Get full text
Article -
670
Isolation of Cellulose-Degrading Bacteria and Determination of Their Cellulolytic Potential
Published 2012-01-01“…To indicate the cellulase activity of the organisms, diameter of clear zone around the colony and hydrolytic value on cellulose Congo Red agar media were measured. …”
Get full text
Article -
671
The Shoot Growth of Several Selected Clones of Teak after Coppicing in the Nursery
Published 2017-01-01“…The results showed that clones significantly affected the shoot growth: number, length, diameter, number of internode and number of leaf. At 6 weeks after hedging, the average of shoot number was 4.3, shoot length of 9.1 cm, shoot diameter of 5.9 mm, the number of internode of 2.4, and the average number of leaves was 5.1. …”
Get full text
Article -
672
The Effect of the Taro Corm Type and Storage on Morphophysiological Deterioration and Early Growth in the Field
Published 2023-01-01“…Weight, length, and diameter loss were positively correlated with sprouting and negatively correlated with hardness and growth vigor. …”
Get full text
Article -
673
Laboratory Model Test Research on Mechanical Characteristics of Anchor in Loess Tunnel under the Action of Pull-Out Load
Published 2021-01-01“…It is proposed that the maximum shear stress of loess anchor under the action of pull-out load appears in the section 25 times the anchor diameter from the anchor head, and the shear stress in the middle and rear part of the anchor body can only be brought into full play when the length-to-diameter ratio of the anchor body is 110 or more. …”
Get full text
Article -
674
Recovery Gonad Betina dan Kontrol Produksi Sperma Secara Hormonal pada Ikan Heterobranchus longifilis
Published 2007-07-01“…The first experiment was to evaluate the recovery of Heterobranchus longifilis females' gonad after induced ovulation, under tropical condition. Eggs diameter was used as indicator of the recovery rate following by induced breeding, hatching rate and abnormality of larvae. …”
Get full text
Article -
675
Morphological Variation and Ecological Structure of Iroko (Milicia excelsa Welw. C.C. Berg) Populations across Different Biogeographical Zones in Benin
Published 2010-01-01“…On the basis of morphological parameters, M. excelsa individuals and populations were clustered into four and discrimination of groups indicated that most of variations were highly related to edaphic factors and annual rainfall. Erratic diameter distribution was found for many populations although most of them showed bell shaped diameter distribution.…”
Get full text
Article -
676
Coal and Gangue Underground Pneumatic Separation Effect Evaluation Influenced by Different Airflow Directions
Published 2016-01-01“…In the following analysis, the effects of gangue diameter (d), conveyor velocity (v0), and the height difference between conveyor belt and air nozzle (hp) are mainly considered. …”
Get full text
Article -
677
An investigation of cracks caused by concrete shrinkage and temperature differences in common reinforced concrete bridge structures
Published 2024-04-01“…This is especially prevalent in larger structures with high hydration heat. The use of smaller diameter reinforcement can significantly reduce crack width compared to larger ones, given the same steel ratio. …”
Get full text
Article -
678
Hydrodynamic Performance of an Oscillating Water Column Device Installed in an Offshore Wind Turbine
Published 2025-01-01“…The effects of key factors, such as chamber diameter, chamber draft, and pneumatic damping, on the energy capture performance were analyzed. …”
Get full text
Article -
679
Comparison of Uplift Capacity and Nonlinear Failure Surfaces of Single-Belled Anchor in Homogeneous and Layered Sand Deposits
Published 2019-01-01“…This experimental study explains the contribution of embedment ratios, diameter ratios, and bell angles to uplift capacities of single-belled anchors and formation of nonlinear failure surfaces in homogeneous and layered sand deposits. …”
Get full text
Article -
680
Analysis of Koo-Kleinstreuer-Li model water-based nanofluid: Interval Type 2 fuzzy approach
Published 2025-03-01“…Interval type-2 trapezoidal fuzzy sets are used in this fuzzy analysis to investigate the role of several physical factors on velocity and temperature distribution, shear rate, Nusselt number (rate of heat transfer), nanoparticle diameter, fluid temperature, and volume concentration. …”
Get full text
Article