Zobrazeno 1 - 10
of 1 673
pro vyhledávání: '"Han Juan"'
Publikováno v:
Zhipu Xuebao, Vol 43, Iss 2, Pp 210-219 (2022)
Carbonate cements formed at different stages in sandstone have different mineral compositions, structural characteristics and carbon and oxygen isotope compositions. Carbon stable isotope compositions in cements can be used to indicate the source of
Externí odkaz:
https://doaj.org/article/5ef84c37862d43c7a3d4aaa286d4ebf0
Publikováno v:
Reviews on Advanced Materials Science, Vol 60, Iss 1, Pp 503-518 (2021)
This article proposed an innovative composite sandwich structure reinforced with trapezoidal latticed webs with angles of 45°, 60° and 75°. Four specimens were conducted according to quasi-static compression methods to investigate the compressive
Externí odkaz:
https://doaj.org/article/ad9bc8f65b6640ab884a08065126cfc6
Publikováno v:
中西医结合护理, Vol 7, Iss 6, Pp 37-42 (2021)
Objectives To investigate the risk factors of delayed gastric emptying (DGE) after laparoscopic pancreaticoduodenectomy (LPD), and summarize the nursing measures of prevention and treatment for DGE, so as to provide reference basis for clinical nursi
Externí odkaz:
https://doaj.org/article/2bcd8cf9d5a44327835c28fa2e0bf555
Publikováno v:
Yankuang ceshi, Vol 40, Iss 3, Pp 451-459 (2021)
BACKGROUND The measurement of 40Ar content in K-Ar dilution method includes sample melting and releasing gas, gas purification and enrichment, mass spectrometry measurement. With the application of a newly designed double vacuum furnace and gas purif
Externí odkaz:
https://doaj.org/article/51af87915497444cbcfec1cf1c3a9853
Publikováno v:
Yankuang ceshi, Vol 38, Iss 4, Pp 365-372 (2019)
BACKGROUND The oxygen isotopic composition of sulfate radical in mineral or water can be used to identify the source and transformation process. At present, the common method is to convert sulfate radical into barium sulfate and the oxygen isotopic c
Externí odkaz:
https://doaj.org/article/7ba22c18774d4c7aa67f28bc0429c290
Publikováno v:
Zhongliu Fangzhi Yanjiu, Vol 46, Iss 7, Pp 600-604 (2019)
Objective To detect the expression of FBXL20 in gastric cancer cells, and determine its effect on the proliferation, migration and invasion of gastric cancer cells. Methods The expression levels of FBXL20 in gastric cancer cell lines BGC-823, AGS, MK
Externí odkaz:
https://doaj.org/article/57d67a3fb52a4d518edd70fdcf70da2e
Autor:
ZHANG Jian-feng, LIU Han-bin, SHI Xiao, JIN Gui-shan, LI Jun-jie, ZHANG Jia, HAN Juan, GUO Dong-qiao, ZHONG Fang-wen
Publikováno v:
Yankuang ceshi, Vol 38, Iss 1, Pp 45-54 (2019)
BACKGROUND Reagent purification, sample pretreatment, environmental humidity, reactor cleanliness and experimental quality control are the main influence factors for determination of oxygen isotopic composition of silicates and oxide minerals by BrF5
Externí odkaz:
https://doaj.org/article/e3abd0febdfa460191eb316eb961f8d1
We have investigated both inter-band and intra-band second order nonlinear optical conductivity based on the velocity correlation formalism and the spectral expansion technique. We propose a scenario in which the second order intra-band process is no
Externí odkaz:
http://arxiv.org/abs/2402.17126
We design an unfitted interface penalty DG-FE method (UIPDG-FEM) for an elliptic interface problem, which uses the interior penalty discontinuous Galerkin methods locally along the interface together with additional penalty terms on the interface (or
Externí odkaz:
http://arxiv.org/abs/2312.15402
Color image completion is a challenging problem in computer vision, but recent research has shown that quaternion representations of color images perform well in many areas. These representations consider the entire color image and effectively utiliz
Externí odkaz:
http://arxiv.org/abs/2309.03764