Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Jizhi Zhang"'
Autor:
George W. Bohrnstedt, Jizhi Zhang, Mengyi Li, Sakiko Ikoma, Bitnara Jasmine Park, Markus Broer
Publikováno v:
AERA Open, Vol 10 (2024)
Using structural equation modeling, a previous study investigated the longitudinal relationships of role-related mathematics identity, efficacy, and interest to grade 12 mathematics performance. The results indicated that both mathematics identity an
Externí odkaz:
https://doaj.org/article/f2677fc49100474291c49a7f83f9ebc1
Autor:
Jizhi Zhang
Publikováno v:
Journal of Asian Architecture and Building Engineering, Vol 22, Iss 2, Pp 402-414 (2023)
Building energy consumption has seriously affected the economic development of various countries. Through in-depth analysis of the basic characteristics of passive buildings in Germany, this paper establishes a building geometric model with tradition
Externí odkaz:
https://doaj.org/article/eef86b08ff9f4f0c8a431f9d15e004f8
Publikováno v:
AI Open, Vol 4, Iss , Pp 175-182 (2023)
The rapid development of AI technologies has found numerous applications across various domains in human society. Ensuring fairness and preventing discrimination are critical considerations in the development of AI models. However, incomplete informa
Externí odkaz:
https://doaj.org/article/e42037641d864261b9e734e3858f6726
Publikováno v:
Shiyou shiyan dizhi, Vol 44, Iss 4, Pp 712-719 (2022)
The oil content in shale is still a contentious issue due to the evaporative losses of free hydrocarbon. Considering the objective of the evaluation of oil content in shale and the demand of fast analysis at wellsite, a newly developed sealed rock th
Externí odkaz:
https://doaj.org/article/6a2fc64a110644a6ae7904045a93e35c
Autor:
Yao Du, Xingzhi Wang, Rongrong Zhao, Chi Chen, Siying Wen, Ruifeng Tang, Qianwen Mo, Jizhi Zhang, Yu Zhang, Shuo He
Publikováno v:
Frontiers in Earth Science, Vol 10 (2022)
The continental lake basin is a favorable accumulation area of shale oil and gas; however, the organic matter enrichment regularity in continental lake facies is still controversial, which hinders the exploration of continental shale oil and gas in t
Externí odkaz:
https://doaj.org/article/849d0dda125f4ee78a955fadf0374d26
Publikováno v:
Petroleum Exploration and Development, Vol 44, Iss 1, Pp 40-47 (2017)
The origin and differential accumulation of hydrocarbons in the Cambrian sub-salt dolomite reservoirs in Zhongshen Area were studied based on comprehensive geochemical analysis of core samples, crude oil samples and natural gas samples. Mass spectrom
Externí odkaz:
https://doaj.org/article/405bd669a069428e9d3a18358844c134
Publikováno v:
BioResources, Vol 10, Iss 2, Pp 3265-3276 (2015)
Melamine-urea-formaldehyde (MUF) resin was synthesized by adding melamine with a first and second portion of urea, named M1 and M2, respectively. Different allocation proportions of M1:M2 (4:0, 3:1, 2:2, 1:3, and 0:4) were used to develop five MUF (M
Externí odkaz:
https://doaj.org/article/f13391e289b84e2f8256b0e29749664b
Publikováno v:
BioResources, Vol 10, Iss 1, Pp 782-792 (2014)
Three types of hyperbranched poly(amidoamine)s (PAMAMs), namely HB(MA-EDA)1, HB(MA-EDA)3, and HB(MA-DETA)1.2, were synthesized and used as modifiers for urea-formaldehyde (UF) resin. Particleboards bonded with these modified UF resins were fabricated
Externí odkaz:
https://doaj.org/article/6ab69a77661249e4b6f9b6f9ac90a799
Characterization and Application of Urea-Formaldehyde-Furfural Co-condensed Resins as Wood Adhesives
Publikováno v:
BioResources, Vol 9, Iss 4, Pp 6267-6276 (2014)
Furfural, as an organic compound derived from biomass materials, was used to partially substitute for formaldehyde in the synthesis of UF resin. Urea-formaldehyde-furfural co-condensed (UFFR) resins with different substitute ratios of furfural to for
Externí odkaz:
https://doaj.org/article/b1aace7c99d541b3ae58feb940191d62
Publikováno v:
BioResources, Vol 9, Iss 2, Pp 2975-2986 (2014)
The effects of assembly time on the properties of plywood were investigated in detail in this study. Three-layer plywood was fabricated, and its wet shear strength and formaldehyde emission were measured. The assembly time was varied to create three
Externí odkaz:
https://doaj.org/article/5a7b0c5c6fe04420858a6104da00cccd