On the lanzhou index

Author: lhrg

August undefined, 2024

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 … 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 …

ibis Lanzhou Zhangye Road - ALL - Accor

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 … 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 … sugar beets in spanish

ON THE LANZHOU INDEX OF GRAPHS - ResearchGate

Web27 de ago. de 2024 · In order to understand the current status and influencing factors of ecological security in various regions of Lanzhou, and to explore the intrinsic connection … Web22 de fev. de 2024 · This paper analyzed the effectiveness of the chemical compounds pyroxene, amphibole, detour-saturated plants, and several antiviral medications listed for the Lanzhou index. The obtained results demonstrate a significant relationship between the Lanzhou index under investigation and the physicochemical features of potential … WebVDOMDHTMLtml>. 兰州市人民政府政府工作报告. 政府工作报告. 政府工作报告. Produced By 大汉网络大汉版通发布系统. paint shop for car

Lanzhou - Wikipedia, la enciclopedia libre

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 … 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 … paint shop flyer nlWebLanzhou (en chino, 兰州; pinyin, Lánzhōu) es la capital de la provincia de Gansu en la República Popular China.. Lanzhou está situada a orillas del río Amarillo.Fue fundada durante la dinastía Han y su historia está ligada a la Ruta de la Seda ya que era uno de los centros de tránsito de las caravanas que comerciaban con Occidente. En esa época se … paint shop for mac

"Web17 de set. de 2024 · The Health Commission of Lanzhou, the capital city of Gansu province, confirmed that 3,245 people had contracted the disease brucellosis, which is often caused by contact with livestock carrying ... " - On the lanzhou index

On the lanzhou index

Relations between degree-based graph invariants - ScienceDirect

Web29 de jun. de 2024 · A graph invariant is a topological index based on graph isomorphism. The Wiener index was the first distance-based topological index. Wiener index W\left ( … Web15 de mar. de 2024 · Abstract. In this paper, we consider the relations between three degree-based graph invariants, namely, the second Zagreb index , forgotten index and Lanzhou index for a general graph and a tree . We prove that for a graph with independence number , there exists , there exists with equality if and only if.

Did you know?

http://www.lanzhou.gov.cn/col/col15361/index.html Web21 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 …

Web17 de jan. de 2024 · Journal of Applied Mathematics and Computing - The max–min rodeg ( $${M\!m_{sde}}$$ ) index is a useful topological index in mathematical chemistry. ... Unicyclic graphs with extremal Lanzhou index. 20 September 2024. Qian-qian Liu, Qiu-li Li & He-ping Zhang. Extremal values of the Sombor index in unicyclic and bicyclic graphs. 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 fjöllunum og rennur frá austri til vesturs og sameinast Huangshui-fljóti suðvestur af borginni.. Suður og norður af borginni liggja Qilian fjöll.. Lanzhou liggur að Wuwei-borg í norðvestri ...

WebDirections to Lanzhou Mee Tarik (Kuala Lumpur) with public transportation. The following transit lines have routes that pass near Lanzhou Mee Tarik. Bus : 103 104 450 600 780. Train : 1 2. MRT & LRT : 3 5 9. WebThe hotel is located at the east exit of Lanzhou West Passenger Station, adjacent to Lanzhou West Railway Station, the northwest transportation hub. The straight line distance is only 200 meters. It can be reached by walking for 5 minutes.There are coffee , cocktail and other kinds of afternoon tea in the lobby, which can meet the different needs of guests.

Web26 de ago. de 2024 · In 2024, Dehgardi and Liu characterized trees with fixed maximum degree using the Lanzhou Index. We can easily calculate F-coindex, using formula given by equation , for some well-known graphs. Let ,,, and be the path, cycle, star, and complete graphs on vertices. Then, F-coindex for these graphs is as follows: (1). (2). (3 ... paint shop for automobile wheelsWeb1 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 … sugar beets harvesting machineryWeb28 de jul. de 2024 · The Lanzhou-Xinjiang (Lan-Xin) high-speed railway is one of the principal sections of the railway network in western China, and signal equipment is of great importance in ensuring the safe and efficient operation of the high-speed railway. Over a long period, in the railway operation and maintenance process, the railway signaling and … paintshop for macWebIbis 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 … paint shop for cars in pasco county flWeb25 de mai. de 2024 · Very recently, a new degree-based molecular structure descriptor, called Sombor index is denoted by SO (G) and is defined as SO=SO (G)=∑vivj∈E (G)dG (vi)2+dG (vj)2, where dG (vi) is the degree of the vertex vi in G. In this paper we present some lower and upper bounds on the Sombor index of graph G in terms of graph … sugar beets near meWebLanzhou index. MATCH-Communications in Mathematical and in Computer Chemistry, 80, 863--876. [Google Scholor] Category: ODAM - Vol 2 - Issue 3 (2024) By pisrt. Share this. Share on Facebook Share on Facebook Tweet Share on Twitter Share on … paint shop for carsWebLanzhou 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 … paint shop for kids