On the lanzhou index

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August undefined, 2024

WebABSTRACT. The Lanzhou index of a graph G is defined as the sum of the product between and square of du over all vertices u of G, where du and are respectively the degree of u … http://www.lanzhou.gov.cn/col/col15361/index.html

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WebIn a vertex--degree--based topological index called the Lanzhou index, $Lz(G)$, is defined as $$ Lz(G)=\sum_{i=1}^n (n-1-d_i)d_i^2. $$ According to (11) the following relation … Web10 de fev. de 2009 · This study investigated the soil nematode community structure along the Yellow River in the Lanzhou area of China, and analyzed the impact of heavy metals (Cd, Pb, Cr, Cu, and Zn) and polycyclic aromatic hydrocarbons (PAHs) on the nematode community. Soil samples from five locations (named A–E), which were chosen for soil … deviantart warrior cat names

Fault Diagnosis of Signal Equipment on the Lanzhou-Xinjiang …

WebLa Universidad de Lanzhou (chino simplificado: 兰州大学; chino tradicional: 蘭州大學; pinyin: Lánzhōu Dàxué) es una importante universidad de investigación en Lanzhou, Gansu, China.Fundada en 1909, es una de las universidades clave del Ministerio de Educación de China (Proyecto 985 y Proyecto 211).Es una universidad de doble primera … Web1 de jan. de 2024 · Let G be a simple graph with vertex set V (G). The Lanzhou index of G is defined as Lz(G) = u∈V (G) d G (u)dG(u) 2 , where dG(u) denotes the degree of the vertex u in G and G is the complement of G. Web6 de dez. de 2024 · Lanzhou University, China. 31 3,855 111. Our research was coordinated by Imed Bouchrika, PhD, a computer scientist with a well-established record of collaboration on a number of international research projects with different partners from the academic community. His role was to make sure all data remained unbiased, accurate, … churches pismo beach ca

Unicyclic graphs with extremal Lanzhou index

Lanzhou - Wikipedia

WebThe Lanzhou index of a graph is defined by , where denoted by the degree of the vertex v in . In a chemical graph, the topological index can help determine chemical, biological, … WebChenguanying station (Chinese: 陈官营站) is a station in Xigu District, Lanzhou, Gansu.Built in 1953, it is a minor station on the Lanzhou–Xinjiang railway, with only one local train per day stopping in each direction. A new station building was constructed together with the construction of the Lanzhou-Zhongchuan Airport Intercity Railway, … deviantart twilight sparkleWeb21 de nov. de 2024 · Water, energy and food are three essential resources for the socio-economic system, and they are interlinked. The coordination of their internal relations is worth studying. We conduct a coordination evaluation method to assess the water-energy-food nexus (WEF Nexus) in China’s provinces. By combining the coupling model and the … churches pittsburg ca

"WebLanzhou index is an important topological index. It is closely related to the forgotten index and first Zagreb index of graphs. In this note, we characterize the bound of Lanzhou … " - On the lanzhou index

On the lanzhou index

Topological Indices on Central Graph SpringerLink

WebIbis hotels (lanzhou west square shop) is located in the chengguan district lanzhou city qingyang road, 19. Hotel has business rooms, to provide quality bedding, broadband … WebLanzhou er höfuðborg Gansu héraðs, í norðvestanverðu Kína. Borgin er í suðausturhluta héraðsins og situr við bakka efri hluta hins mikla Gulafljóts, þar sem fljótið kemur úr …

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WebLanzhou Nuclear Fuel Complex. 504 Plant. 36°09' N 103°29' E. In July 1955 the USSR agreed to construct atomic reactors in Lanzhou and Baotou, which were to be completed in 1960 [no reactor was built in Lanzhou]. Construction of this gaseous diffusion plant probably began in 1957, and the facility was estimated to be producing weapons grade U ... WebLanzhou index Damir Vuki cevi c1, Qiuli Li2, Jelena Sedlar3, Tomislav Do sli c4 1Department of Mathematics, University of Split, R. Bo skovi ca 33, 21000 Split, …

Web10 de dez. de 2024 · The Lanzhou index of a graph is defined by , where denoted by the degree of the vertex v in . In a chemical graph, the topological index can help determine … Web20 de set. de 2024 · Lanzhou index Lz(G) can be expressed as (n − 1)M1(G) − F (G), where M1(G) and F (G) denote the first Zagreb index and the forgotten index of G respectively, and n is the number of vertices in G. It turns out that Lanzhou index outperforms M1(G) and F(G) in predicting the logarithm of the octanol-water partition …

http://www.amjcu.zju.edu.cn/amjcub/2024-2029/202403/350-365.pdf Web5 de mar. de 2024 · The Lanzhou index of a graph $G$ is defined by $Lz (G)=\sum\limits_ {u \in V (G)} d_u^2\overline {d}_u$, where $d_u$ ($\overline {d}_u $ resp.) denotes the …

Web1 de ago. de 2024 · ON THE LANZHOU INDEX OF GRAPHS Qinghe Tong, Chenxu Yang, Wen Li Mathematics International Journal of Research -GRANTHAALAYAH 2024 Let be …

WebThe Yibisi Lanzhou Railway Bureau Hotel is located at No. 298, Dongfang East Road, Chengguan District, Lanzhou City. The hotel is a 3-minute walk from the Lanzhou Dongfanghong Plaza shopping district, surrounded by specialty snacks, shopping malls and tou rist attractions.The surrounding environment is beautiful and the transportation is … churches pittsboro ncWebLanzhou index Lz(G) can be ex-pressed as (n 1)M1(G) F(G), where M1(G) and F(G) denote the ﬁrst Zagreb index and the forgotten index of G respectively, and n is the … churches plainview texasWebLocated in the heart of Lanzhou's business district, the 150 room ibis Lanzhou Zhangye RD Hotel is only an hour away from Lanzhou airport, and 20 minutes away from the train station. The hotel provides a range of guest and family rooms and has many facili ties, making it the ideal choice for both business and leisure travellers. deviantart watermarkWebLanzhou Index of Trees with Fixed Maximum and Second Maximum Degree Authors: Laxman Saha doi: 10.46793/match.88-3.593S Volume 88 Issue 3 Year 2024 Pages 593 … deviantart wedgedtight deviantart weight gain comicsWeb1 de jun. de 2024 · A topological index of a graph G that depends on the degrees of the vertices of G is known as a vertex-degree-based topological index; similarly, edge … churches plainfield ilWebAncient Silk Road. Five Springs Mountain Park. Gansu Provincial Museum. Waterwheel Garden. White Pagoda Park. Yellow River. Zhangye Road Pedestrian Street. Zhongshan Bridge - the First Bridge over the Yellow … deviantart weight gain morph