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11 Results Found

  • Article
  • Open Access
3 Citations
1,369 Views
25 Pages

10 January 2025

This study uses the implementation of the watershed compensation policy as a quasi-natural experiment and selects a sample of 53 cities located within the four major watersheds from 2005 to 2022. By employing a staggered difference-in-differences mod...

  • Article
  • Open Access
29 Citations
11,482 Views
15 Pages

19 February 2019

As an important type of centrifugal pump, the double-suction pump has been widely used due to its high efficiency region and large flow rate. In the present study, the complex flow in volute of a double-suction centrifugal pump is investigated by num...

  • Article
  • Open Access
1 Citations
1,825 Views
19 Pages

Study on the Sand Reduction Effect of Slope Vegetation Combination in Loess Areas

  • Fucui Wang,
  • Hu Tao,
  • Xi Shi,
  • Shilong Bu,
  • Ziming Bao and
  • Dezhi Zhang

21 October 2024

Slope erosion in the Loess Plateau region has long been a concern, and vegetation plays an important role in slowing down erosion and controlling sedimentation. However, a single vegetation model shows some limitations when facing complex natural con...

  • Article
  • Open Access
1 Citations
2,799 Views
20 Pages

29 June 2024

Emphasizing the importance of acoustic attenuation in maintaining compliance with stringent noise regulations and enhancing workplace safety, this analysis covers theoretical and practical aspects of prediction methods used for the development of sou...

  • Article
  • Open Access
17 Citations
2,643 Views
14 Pages

Longitudinal Deformation of Deep Shield Tunnels Caused by Upper Load Reduction

  • Jinlei Zheng,
  • Shaohui He,
  • Yiming Li,
  • Jiaxin He and
  • Jihua He

29 June 2021

Above-crossing excavations may cause uplift damages on existing shield tunnels. Therefore, to accurately calculate the deformation of shield tunnels is very necessary for geotechnical engineers. At present, the single-sided elastic foundation beam mo...

  • Article
  • Open Access
3 Citations
2,853 Views
19 Pages

np-Pair Correlations in the Isovector Pairing Model

  • Feng Pan,
  • Yingwen He,
  • Lianrong Dai,
  • Chong Qi and
  • Jerry P. Draayer

2 August 2021

A diagonalization scheme for the shell model mean-field plus isovector pairing Hamiltonian in the O(5) tensor product basis of the quasi-spin SUΛ(2) ⊗ SUI(2) chain is proposed. The advantage of the diagonalization scheme lies in the fact that not onl...

  • Article
  • Open Access
5 Citations
1,809 Views
27 Pages

6 December 2024

Low-carbon transition is a wide-ranging and deep economic and social transformation. Can we enhance high-quality development of the manufacturing industry (HQDM) during the low-carbon transition process? The enactment of the low-carbon city pilot pol...

  • Article
  • Open Access
447 Views
43 Pages

7 January 2026

Using panel data from 273 prefecture-level cities in China from 2008 to 2020, this study employs the Entropy Weight Method -Technique for Order Performance by Similarity to Ideal Solution (EWM-TOPSIS) model to measure people’s well-being and ap...

  • Article
  • Open Access
2 Citations
847 Views
18 Pages

Numerical Simulation of Wind and Sand Resistance in Three Typical Shrubs

  • Huimin Zhang,
  • Liang Pei,
  • Juyan Li,
  • Fan Wang and
  • Zhongdong Yin

13 June 2025

The sand-laden airflow fields surrounding Artemisia desertorum Spreng., Reaumuria soongorica, and Hedysarum scoparium were investigated. The study focuses on a configuration of double rows with staggered shrub distribution. Computational Fluid Dynami...

  • Article
  • Open Access
2 Citations
2,420 Views
14 Pages

27 January 2022

Double-sided permanent magnet linear synchronous machine with 120° phase belt toroidal windings (120°-TWDSPMLSM) suffers from large detent force due to the end effect and slot effect. Many existing methods can reduce the detent force of the 1...

  • Article
  • Open Access
2 Citations
1,113 Views
29 Pages

Against the backdrop of China’s “East-West Computing Resource Transfer” and “Digital-Real Integration” national strategies, computing power has emerged as a core engine driving the digital economy. However, existing rese...