Results 11 to 20 of about 325,651 (334)

Surface metallization of solid lubricants and its effect on the mechanical properties of Fe-based bit matrix

open access: yesJin'gangshi yu moliao moju gongcheng, 2023
Self-lubricating impregnated diamond bit can provide a new technical solution to the lunar drilling problem, but the poor wettability between the solid lubricants and the bit matrix can lead to degradation of physical and mechanical properties of the bit
Chengkai GUAN   +4 more
doaj   +1 more source

CsCLE3 delays female flower anthesis in cucumber

open access: yesActa Societatis Botanicorum Poloniae, 2023
A corolla opening is a necessary process affecting the quality of fruits and market competitiveness in cucumber ( Cucumis sativus ). In the previous paper, we identified a unique cucumber line (‘6457’) that possesses extra-long ovaries and shows a ...
Mingyue Lei   +4 more
doaj   +1 more source

Numerical investigation into the effect of various surcharge loadings on propped wall excavations and embankments [PDF]

open access: yes, 2020
Several guidance and formulation have been developed in the literature to account for the analysis of external surcharges adjacent to a propped excavation but less attention has been paid to the presence of sloping ground or embankments.
Ahangar Asr, A, Ogunyemi, OF
core   +2 more sources

Excavating “Excavating AI”: The Elephant in the Gallery [PDF]

open access: yesSSRN Electronic Journal, 2020
Two art exhibitions, “Training Humans” and “Making Faces,” and the accompanying essay “Excavating AI: The politics of images in machine learning training sets” by Kate Crawford and Trevor Paglen, are making a substantial impact on discourse taking place in the social and mass media networks, and some scholarly circles.
openaire   +5 more sources

MdNup54 Interactions With MdHSP70 Involved in Flowering in Apple

open access: yesFrontiers in Plant Science, 2022
Flowering-related problems in “Fuji” apple have severely restricted the development of China’s apple industry. Nuclear pore complexes (NPCs) control nucleoplasmic transport and play an important role in the regulation of plant growth and development ...
Chenguang Zhang   +10 more
doaj   +1 more source

Numerical Analysis of the Deformation Performance of Monopile under Wave and Current Load

open access: yesEnergies, 2020
The research on the deformation mechanism of monopile foundation supporting offshore wind turbines is significant to optimize the design of a monopile foundation under wave and current load.
Libo Chen   +6 more
doaj   +1 more source

An Investigation into the Performance of Excavation with Inclined Struts Connected to Adjacent Buildings [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2020
One practical excavation support system is the inclined struts connected to adjacent buildings. This method is very common in small excavations, because of simplicity and minimum cost, when soil is cohesive and depth of excavation is less than stability ...
Zahra Sabzi, Ali Fakher
doaj   +1 more source

The Excavations at Babylon [PDF]

open access: yesThe Journal of Egyptian Archaeology, 1915
n ...
Leeper, A. W. A.   +2 more
openaire   +4 more sources

Deformation of a Collinear Tunnel Induced by Overlying Long-Distance Excavation

open access: yesShanghai Jiaotong Daxue xuebao, 2021
Overlying excavation will inevitably cause uplift of the existing tunnel due to the stress relief and rebound of soil, and the impact will be more significant when the long-distance is in line.
CHEN Shuan, WU Huaina, CHEN Renpeng, SHEN Shuilong, LIU Yuan
doaj   +1 more source

Time-Frequency Analysis and Application of a Vibration Signal of Tunnel Excavation Blasting Based on CEEMD-MPE-HT

open access: yesShock and Vibration, 2021
The traditional empirical mode decomposition method cannot accurately extract the time-frequency characteristic parameters contained in the noisy seismic monitoring signals.
Chen-yang Ma, Li Wu, Miao Sun, Qing Yuan
doaj   +1 more source

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