Zobrazeno 1 - 10
of 1 430
pro vyhledávání: '"ZHANG Qingsong"'
Publikováno v:
Xibei Gongye Daxue Xuebao, Vol 41, Iss 3, Pp 480-489 (2023)
Aerial safety separation is an important indicator to evaluate the flight performance of medium and low speed combination aircraft. In this paper, the concept of impact box and safe separation corridor will be introduced for the air separation proble
Externí odkaz:
https://doaj.org/article/4d637082658d4a5eb93af03fea0eae07
Publikováno v:
High Temperature Materials and Processes, Vol 42, Iss 1, Pp pp. 1137-1158 (2023)
AA2195-T8 Al–Li alloy plates were welded by friction stir welding (FSW) at tool rotational speed of 1,000 rpm and tool traverse speeds (TS) of 100–400 mm·min−1 under three types of butting surface conditions, i.e., (1) without butting surface
Externí odkaz:
https://doaj.org/article/23704bace17140f98a42c62de57b1fed
Publikováno v:
Earth's Future, Vol 9, Iss 9, Pp n/a-n/a (2021)
Abstract Growing evidence indicates that climate change has significant impacts on crop production. However, the spatial variability and extent of the impacts on N concentrations in crops have yet to be explicitly described, although N concentration
Externí odkaz:
https://doaj.org/article/727bd9a2021c4642b305680d2a6b9730
Publikováno v:
Ceramics-Silikáty, Vol 63, Iss 2, Pp 164-173 (2019)
A geopolymer blended with fly ash (FA) and ground granulated blast-furnace slag (GGBS) was designed to investigate the properties of geopolymer (GP) - based grouting materials from different aspects. The workability, i.e. flowability, bleeding capaci
Externí odkaz:
https://doaj.org/article/68e290bc60834ae09b9b60d0139352a9
Publikováno v:
Civil Engineering Journal, Vol 2018, Iss 4, Pp 599-612 (2018)
The grouting method has been widely adopted to improve the soft and broken ground properties in tunnelling engineering. This paper carries out numerical and experimental investigation to study the diffusion characteristics of grout in layered fault,
Externí odkaz:
https://doaj.org/article/ee484044d3204b19ac261a2a3e7d2e47
Publikováno v:
Civil Engineering Journal, Vol 2018, Iss 3, Pp 364-379 (2018)
The low flow rate and efficiency of existing grouting pumps such as piston pumps and diaphragm pumps result in difficulty in managing sudden water and slurry discharges. In this study, a new design for grouting pumps is proposed to improve the grouti
Externí odkaz:
https://doaj.org/article/838e754250f44e2e99ca3517acd7a6c4
Publikováno v:
Jixie qiangdu, Vol 39, Pp 321-326 (2017)
A newly-developed precision seeder,model 2BFQ-6,combined multiple field tasks of seeding rapeseed,including straw chopping,rotary tillage,fertilizing,precision sowing,and straw covering into a single operation,has been expanded and applied in major r
Externí odkaz:
https://doaj.org/article/9ede58b4b6af41bcad8ba67e1889127f
Publikováno v:
Advances in Materials Science and Engineering, Vol 2019 (2019)
The water-rich sand layer is a common source for underground engineering disasters. Considering the poor performance, high cost, and serious environmental pollution of conventional grouting materials, based on the requirements of environmental grouti
Externí odkaz:
https://doaj.org/article/b22c469b292b41bca604b07e7751e859
Vertical Federated Learning (VFL) attracts increasing attention because it empowers multiple parties to jointly train a privacy-preserving model over vertically partitioned data. Recent research has shown that applying zeroth-order optimization (ZOO)
Externí odkaz:
http://arxiv.org/abs/2306.16077
Publikováno v:
Shanghai Jiaotong Daxue xuebao, Vol 58, Iss 6, Pp 846-854 (2024)
Non-intrusive load disaggregation (NILD) can deeply explore the value of customer power consumption data, providing an important reference for decision analysis such as power equipment fault monitoring and demand response. Aimed at the conflict betwe
Externí odkaz:
https://doaj.org/article/4a2d4b3219d74f9a9027b31c22053dcf