Zobrazeno 1 - 10
of 3 804
pro vyhledávání: '"GAO Jia"'
Publikováno v:
Zeitschrift für Kristallographie - New Crystal Structures, Vol 239, Iss 2, Pp 159-161 (2024)
C26H36N4O20Zn2, triclinic, P1‾$P\overline{1}$ (no. 2), a = 6.9872(4) Å, b = 8.9052(5) Å, c = 8.9052(5) Å, α = 94.441(4)°, β = 93.552(4)°$93.552(4){}^{\circ}$, γ = 90.045(5)°$90.045(5){}^{\circ}$, V = 1651.61(16) Å3, Z = 2, Rgt${R}_{gt}$(F
Externí odkaz:
https://doaj.org/article/c44606de824646008357858de4c0a6d1
Autor:
Wang Panpan, Gao Jia
Publikováno v:
Shuitu baochi tongbao, Vol 43, Iss 6, Pp 185-192 (2023)
[Objective] The ecological value of cultivated land and compensation standards at multiple scales in a watershed was measured and analyzed in order to provide scientific reference for improving the compensation mechanism for cultivated land protectio
Externí odkaz:
https://doaj.org/article/8fa866671fb64bc8af1f4b25324f3006
Publikováno v:
Shuitu baochi tongbao, Vol 43, Iss 4, Pp 347-355 (2023)
[Objective] The characteristics of cultivated land ecological supply and demand were analyzed in order to provide theoretical surpport for ensuring the sustainable supply of ecological functions of cultivated land and to maintain regional food securi
Externí odkaz:
https://doaj.org/article/716a29b6974b4ed792d90f9db34ad4cd
Research on China’s tourism marketing model in the data perspective: based on ecological perspective
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
With the continuous improvement of technology and residents’ living standards. Should actively adapt to the opportunities and challenges brought by the Internet to the tourism marketing model, For the sustainable and rapid development of tourism on
Externí odkaz:
https://doaj.org/article/98e38c45926b488f90a57ec15539e74b
Publikováno v:
Shipin yu jixie, Vol 39, Iss 11, Pp 125-130,172 (2023)
Objective: Optimized cushioning packaging. Methods: Taking Hami melon and its packaging as the research object, conducted sweep frequency vibration test on 5-layer stacked packaging, measured the natural frequency, maximum power Spectral density and
Externí odkaz:
https://doaj.org/article/a82756d4e7fd44e08def65eee7b8b412
Publikováno v:
Zeitschrift für Kristallographie - New Crystal Structures, Vol 238, Iss 5, Pp 991-993 (2023)
C27H28N4O16Zn2, monoclinic, C2/c (no. 15), a = 13.0720(3) Å, b = 15.7589(5) Å, c = 15.7589(5) Å, β = 95.373(3)°, V = 3062.48(18) Å3, Z = 4, Rgt(F) = 0.0499, wRref(F2) = 0.1059, T = 294 K.
Externí odkaz:
https://doaj.org/article/9a9e625307b242b9827db5b90ff361c7
Publikováno v:
BMC Cardiovascular Disorders, Vol 23, Iss 1, Pp 1-7 (2023)
Abstract Background Focal atrial tachycardia (FAT) always originates from atrium specific sites and can be successfully cured by radiofrequency (RF) ablation. However, the middle cardiac vein (MCV) is a rare site of focal atrial tachycardia. Herein,
Externí odkaz:
https://doaj.org/article/7461c3ff21a340f7bebfad11e1774241
Publikováno v:
Liang you shipin ke-ji, Vol 30, Iss 6, Pp 34-45 (2022)
Yeast plays an important role in fermented cereal products, especially fermented flour products, affecting the texture, aroma, appearance and nutrition of the products. In order to select grain microbial starter and improve the quality of fermented f
Externí odkaz:
https://doaj.org/article/4faeb114f27148e9b0acef7e2d4a06a8
Publikováno v:
Electronic Journal of Qualitative Theory of Differential Equations, Vol 2022, Iss 58, Pp 1-8 (2022)
This paper is concerned with the following quasilinear Schrödinger equations of the form: \begin{equation*} -\Delta u-u\Delta (u^2)+u=|u|^{p-2}u, \qquad x\in \mathbb{R}^3, \end{equation*} where $p\in\left(2,12\right)$. By making use of the constrain
Externí odkaz:
https://doaj.org/article/9ad83ec843204412a575065fab90e459
Publikováno v:
Zeitschrift für Kristallographie - New Crystal Structures, Vol 237, Iss 5, Pp 869-872 (2022)
C44H43N11O12Co2, triclinic, P 1‾ $\overline{1}$ (no. 2), a = 10.7333(11) Å, b = 13.6796(11) Å, c = 16.751(2) Å, α = 113.982(2)°, β = 90.578(2)°, γ = 105.7310(10)°, V = 2142.7(4) Å3, Z = 2, R gt(F) = 0.0460, wR ref(F 2) = 0.1015, T = 296(
Externí odkaz:
https://doaj.org/article/7946477b5d534745911eb3d11e42c9b0