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This paper examines portfolio optimization using both the Markowitz Model (MM) and the Index Model (IM), with a focus on the S&P 500 Index and 21 of its OEX constituent stocks over a 20-year sample period. Daily prices were converted into monthly returns, resulting in over 200 months of data. Using...

In this study, interaction system of hydrogen (two hydrogen) with Pt(111) surface has been investigated theoretically by using density functional theory DFT method. With respect to the definitions of interactions of H-Pt(111) and 2H-Pt(111), the potential energy curves PECs belonging to these interactions...

Learning is an activity that is very important in improving student skills. Problem-based learning model is a learning model that aims to improve students’ ability to make decisions. This study aims to determine the effectiveness of the implementation of problem-based learning in improving students’...

Objectives: Arterial elasticity is determined by passive mechanical properties of wall components modulated by neurogenic effects on smooth muscle. We assessed denervation effects on viscoelastic properties of the aorta of Lewis Polycystic Kidney (LPK) disease rats, compared to controls (Lewis). Methods:...

With the development of The Belt and Road construction, the business communication between those Countries which located in GMS has been more frequent and deeper. Thus, intercultural network communication is urgent demanded indeed. However, the so-called intelligent translation software does not fully...

Earthworm (Lumbricus sp.) is a biomass of soil organisms that has important agroecological functions because it can affect the dynamics of organic matter and soil structure. This study aims to de- termine differences in earthworm biomass and analyze the levels of nu- trients nitrogen (N), phosphorus...

The development of counseling based on local wisdom uses the integration of cultural content in the counseling approach. The integration of Madura proverbs in narrative counseling makes students more able to create new stories under the values in their environment. This research aims to develop a product...

Power quality issues and drive performance under dynamic conditions are the major concern in traction. This paper proposes an active front-end converter (AFEC) fed 6-ϕ voltage source inverter (VSI) driven induction motor (IM) drive for traction. The AFEC at the 1-ϕ grid side and 6-ϕ VSI at the induction...

In the virtual training simulation software, users through graphical interfaces to fullfill in-formation exchange. By adopting the method of black box testing, treating the virtual training simula-tion software as a black box and input data to drive the software running, could test the interaction of...

To study all kinds of elementary reactions at the level of gasoline hydrocarbon molecules has always been a core content of basic combustion research, but for a long time, studies often focus on the physical process in cylinder and don’t go deep into chemical details about the molecular structure and...

Adoption of technology such as social media and e-commerce has a posi-tive impact on Small and medium-sized enterprises (SMEs), supported by external and internal factors, one of the external factors that predict SMEs wanting to use social media is during the COVID-19 pandemic, was when customers prefeed...

Introduction: Grey scale median of the carotid artery intima-media complex (IM-GSM) is a recently introduced measurement thought to reflect the composition of the arterial wall. Carotid artery intima-media thickness (IMT) has been shown to be a predictor of a future stroke incidence, but the relationship...

Alloy nanoparticles (NPs) of gold and palladium were found to be more active in oxidation of benzyl alcohols than supported gold or supported palladium NPs. The enhanced activity of benzyl alcohol oxidation at the surface of the alloy NPs can be explained by the charge heterogeneity. To confirm the charge...

We present a density functional theory (DFT) study of the dissociation pathway of monomeric H2O into adsorbed hydroxyl (OHads) and hydrogen (Hads) on the Pt(111) surface. Here we consider the Langmuir-Hinshelwood process of adsorbed monomeric H2O, which is then dissociated on the surface model. By calculating...

The Chinese civilization has been bursting with vitality and vigor in the process of dialogue with other cultures, especially with the Western classic Bible. The “best” translation of the supreme master of Christianity is one of the core issues in the process of translating the Bible into Chinese. In...

Literature courses in German as a foreign language often struggle with low reading motivation, limited listening input, and misalignment between textual complexity and learners’ proficiency. This study reports the design, development, and classroom piloting of an AI-generated audiobook based on an original...

Least square (LS) algorithm based on least square criterion has poor estimation performance under low signal to noise ratio, if we directly use this method in tunnel environment, it will lead to larger estimation error. Considering the defects of the LS algorithm, this paper propose an improved LS channel...

Nowadays, Ebola epidemic situation is more and more severe and out of control. Taking Sierra Leone as an example, we build a reliable and extensive model to control or at least inhibit the spread of Ebola. We select 16 cities that are affected by Ebola according to the news re¬ports. Taking advantage...

Integration processes in economy suggest an increase in the im-portance of logistics in solving national economic problems. One of the topical scientific directions in logistics and supply chain management (SCM), which are of practical importance, is a com-prehensive study of the problems of territorial...

Structures and catalytic activities of CO molecule on monoclinic ZrO2(111)(M = Ce, Ca and Pr) surface has been studied by using density functional theory (DFT). Calculations indicate that on the stoichiometric ZrO2(111) surface, the preferential adsorption structure is the Zr-CO configuration. The adsorption...

Postpartum haemorrhage (PPH) is a leading cause of maternal morbidity and mortality in the world. It requires a higher level of standard care. Peripartum haemorrhage is bleeding that occurs during pregnancy (antepartum), at birth (intrapartum) and after birth (postpartum). Management of postpartum haemorrhage...

The stability of underground mine excavations is frequently im proved through the technique of backfilling, which enhances both environmental sustainability and operational efficiency. Accurately assessing vertical stress (σₓ) in inclined mine stopes with backfill is essential for the safe and optimal...

This study discusses the relation between text and picture elements and analyzes the semiotic signs that appears in anti-exploitation of wild animals in the circus advertisements. The methodology used in this study is a descriptive analysis methodology with a corpus of three poster adverts of Keine Wildtiere...

The article presents a comprehensive study of the mechanisms for the formation, implementation and effectiveness evaluation of the resource potential use. The evaluation is based on a multilevel system of indicators taking into account the specified charac-teristics of the corresponding resources. While...

A theoretical study of alkaline earth extraction using a 15-crown-5 derivative has been carried out. The selectivity of the crown ether derivatives to extract alkaline earth metal cations (Be2+, Mg2+, Ca2+) is studied by Density Functional Theory (DFT). The DFT calculations use 6-31G(d) and LANL2DZ basis...

A theoretical study of alkaline earth extraction using 12-crown-4 derivative has been carried out. The capability of the crown ether derivative to extract alkaline metal cations (Li+, Na+, K+) is studied by Density Functional Theory (DFT) Method. The DFT calculations uses 6-311G(dp) basis set at the...

Collection and acquisition of water meter, electric meter, heat meter and gas meter is an effective way to im-prove the intelligence and automation level in the energy field. In this paper, the data collection technology scheme of public utilities was introduced. Using construction achievements and experience...

Copper (I) complexes comprise an important class of luminescent materials in organic light emitting diodes (OLED). A Cu(I) complexes, [Cu(POP)(fluPy-Imidazole)]+ (1), where fluPy-imidazole = 2-(4,5-dihydro-1H-imidazol-2-yl)-5-(9H-fluoren-2-yl)pyridine, POP= bis[2-diphenylphosphino]-phenyl]ether, was...

This thesis studies SRS noise estimation method with multi-users in the Long Term Evolution(LTE), and proposes a Discrete Fourier Transform (DFT) time-domain filtering algorithm based on interference cancellation. By calculating signal power in the system protecting band, decision threshold of time domain...

Multimodality has become an exciting frontier of research. In this study, I de-ploy the Appraisal theory of discourse semantics within systemic-functional lin-guistics and the social semiotic approach of multimodal discourse analysis on im-ages and texts to analyze the interperson-al meaning-making of...

Linear Optimization (LO) course is one of the important courses in Industrial Mathematics (IM) and Operations Research (OR) field of applied mathematics. As the curricula now change into a competency based curricula, thus the instructional objective, course content, and approaches of teaching have to...

Introduction: Arterial restenosis after angioplasty/stenting has hindered coronary artery disease treatment, especially in diabetics. We theorized that gastrin-releasing peptide (GRP) antagonists and growth hormone-releasing hormone (GHRH) antagonists might decrease neointimal hyperplasia and restenosis...

This study examines the portrayal of gender in the media, specifically focusing on the use of language by Wu Youli in Su Zhexian’s film “野夏天” (Summer). The objective is to analyze how the representation of gender and societal rolesin the film aligns with feminist perspectives. Additionally, the study...

Most countries adopt film rating system for protect their children from bad content. But there are often disagree with the rating results because of subjective judging system. This study tried to develop evaluation algorithm for film rating using human response data like EEG and eye movement. Eye-tracking...

With proliferous usage in CMC (Computer-Mediated Communication), textspeak (such as c u means see you) has become common words appears in email, SMS, IM, Blog and Twitter. Little research has explored how text-speak affects people’s intimacy when interacting through CMC tools. Thus, this study investigates...

This study attempts to explore the online offence through the analysis of its linguistic devices and the revelation of its pragmatic features. Enlightened by the theory of (im) politeness, the present study firstly attempts to define online offence and identify the participation framework in online discussion...

The application of ultraviolet absorption detector (UV) and circular dichroism (CD) detectors in series in HPLC systems has been increased in recent years. In this work, an effective method to determine the enantiomer concentration on line in chiral drugs was explored. Ibuprofen (IBP) racemate was applied....

Bullying is a serious issue among elementary school students that can negatively impact their social and emotional development. To address this problem, a Community Partnership Program was conducted at SDN 03 Kawak Jepara, focusing on digital literacy training as a strategy to combat bullying. The training...

The Launching of School Literacy Movement (SLM) is intended to involve schools, academics, publishers, mass media, and the public in order to support the reading habituation of students. Data were taken in SD Laboratorium Unesa and SDN 21 Ampenan at West Nusa Tenggara. The research involves the im-plementation...

Coadsorption of oxygen (O) and carbon monoxide (CO) on Platinum-alloy (Pt-alloy) surfaces is investigated by using density functional theory (DFT). Simultaneous coadsorption and alloying are considered in order to get more realistic picture of the electrode condition, i.e., in relation with surface CO...

For Influence Maximization(IM) problem based on social network, effective and personalized probability learning method was still not theoretical guaranteed. In this paper, we proposed a PPV probability model based on IM problem, which effectively learnt influence probabilities and personal-ized influence...

The hydroponic effect as growing systems and media on the growth of lettuce (Lactuca sativa L). Based on the results of identification in the hydroponic farming group, hydroponic cultivation of plants is used as a solution to the problem of lack of land in farming, and lettuce is a top priority that...

This paper presents an appropriate call admission control (CAC) scheme which admits Instant Message (IM) traffic with conventional traffic for the next-generation OFD MA wireless network. In the proposed scheme, we consider three types of traffic having different quality-of-service (QoS) requirement,...

Xun Zi was a Confucian philosopher who lived during the Warring States Period and contributed to the Hundred Schools of Thought. The famous classical “Xunzi” book was traditionally attributed to Xun Zi. This book consists of thirty two chapters philosophical essays on specific topics ranging from economic...

The optimal management of hemodynamic disorders among critically ill patients requires an accurate assessment of hemodynamic status. Global End Diastolic Index (GEDI) is taken for a more reliable indicator of preload in critically ill patients than central venous pressure and doctors tend to arrange...

With the development of diversified communication services in smart grid, user demand and communication capacity have increased constantly, which imposes severe challenges on electric power telecommunication. Especially, the Metro Access Network (MAN) needs to aggregate and exchange a wider variety of...

Background: Interleukin-6 (IL-6) was considered to be with the severity and mortality in COVID-19 patients, which implies a potential therapeutic target for treatment. We aimed to evaluate the safety and initial efficacy of Tocilizumab treatment for COVID-19 patients. Methods: In the retrospective study,...

The process smoothly turning the college students into professionals is very im-portant for the community In China. Em-ployee’s income is the main part of the cost of the employer hire the employees. so, the employer’s benefit conflict with the student’s benefit In this process, The only solution is...

The molecular model of PVDF is established by the calculation method of density functional theory(DFT). A process of applying an electric field of different magnitude to PVDF to cause a phase transition was simulated. The transformation of the molecular chain of PVDF molecules under the electric field...

COVID-19 pandemic broke out at the beginning of 2020. Since then, it has spread all over the world. Restriction of its fatal effects demands understanding and management of human behavior, in order to mitigate the spread of the pandemic and deal with abrupt outbreaks across the globe. The objective of...