complementary methods
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Internext ◽  
2022 ◽  
Vol 17 (1) ◽  
pp. 105-127
Author(s):  
Diogenes de Souza Bido ◽  
Antonio Carlos de Oliveira Barroso ◽  
Eric David Cohen

Objectives of the study: to demonstrate the methodological gaps in empirical work that use structural models in the area of International Business, and prescribe complementary methods to mitigate the problem of collinearity Method: a simulation was developed to evidence the effects of collinearity with respect to the importance and significance of predictors, and actions aimed at controlling the undesired effects of collinearity was developed Main results: the proposition of complementary methods that include grouping the latent variables that present multicollinearity into a second-order model, and the use of the technique that shows the relative importance of predictors Theoretical and methodological contributions: the contribution is based on the complementary methods offered for the academic community to conduct empirical research that are laid out by the findings of this research paper Relevance and originality: from the gaps pointed out in the recent scientific production of the field of knowledge of international business, complementary methods are presented to mitigate the problem of collinearity, which may render the results of empirical studies invalid Social contributions and management: among the main managerial and social implications achieved through our findings of, we stimulate the development of robust, relevant and reliable empirical research


Materials ◽  
2021 ◽  
Vol 14 (21) ◽  
pp. 6347
Author(s):  
Konrad Skowron ◽  
Mirosław Wróbel ◽  
Michał Mosiałek ◽  
Léa Le Joncour ◽  
Ewa Dryzek

Microstructural changes in grade 2 titanium generated by surface mechanical attrition treatment (SMAT) were studied using positron annihilation lifetime spectroscopy and complementary methods. A significant increase in the mean positron lifetime indicated many lattice defects introduced by SMAT. Two positron lifetime components were resolved in the positron lifetime spectra measured. The longer lifetime revealed the presence of vacancy clusters containing about 3 or 4 vacancies, while the shorter one was attributed to the annihilation of positrons trapped at dislocations. The changes of the positron lifetime indicated a decreasing dislocation density and the presence of a deeper layer with a higher concentration of vacancy clusters at the distance from the treated surface for which the microhardness approached the value for the strain-free matrix. Electrochemical impedance spectroscopy showed the positive effect of SMAT on the corrosion resistance of the titanium studied in a saline environment also after removal of the original oxide layer that was formed during the SMAT.


2021 ◽  
Author(s):  
Zhoulong Fan ◽  
Xiangyang Chen ◽  
Keita Tanaka ◽  
Han Seul Park ◽  
Nelson Y. S. Lam ◽  
...  

Through consecutive selective C–H functionalization at multiple sites, the direct molecular editing of heteroarene carbon-hydrogen (C–H) bonds has the potential to grant rapid access into diverse molecular space; a valuable but often challenging venture to achieve in medicinal chemistry. Contrasting with electronically-biased heterocyclic C–H bonds, remote benzocyclic C–H bonds on bicyclic aza-arenes are especially difficult to differentiate due to lack of intrinsic steric/electronic biases. Through careful consideration of distance and geometric parameters, we herein report a unified catalytic directing template strategy that enables the modular functionalization of chemically-similar and adjacent remote positions on bicyclic aza-arene scaffolds. Differentiated by using two structurally distinct catalytic directing templates, this method enables direct C–H olefination, alkynylation, and allylation at previously inaccessible C6 and C7 positions of quinolines, and is amenable to the iterative, modular, and late-stage C–H editing of quinoline-containing pharmacophores and pharmaceuticals. This report, in combination with our previous C5-selective template and other complementary methods, now fully establishes a unified ‘molecular editing’ strategy to directly modify aza-arene heterocycles at any given site.


2021 ◽  
Vol 10 (4) ◽  
pp. 0-0

This article is the result of an action-research carried out on the territory of the Rennes metropolis (SmartRennes project). We propose a description and analysis of the governance of the smart city based on qualitative approach. Contrary to the idea of a centralised smart city strongly managed by one public actor, we note that the Rennes-style Smart city is the result of governance distributed between different poles. We provide complementary methods of description of this governance: a historical vision of smart city’s actions and measures, an analysis of the values and issues raised by the stakeholders and a network analysis of governance. Based on qualitative surveys, these results demonstrate the value of a monographic approach in the study of urban innovation and smart city.


Author(s):  
SAHMUN SAHMUN ◽  
MUJIBURRAHMAN MUJIBURRAHMAN ◽  
M. SAMSUL HADI

The Influance of Social Personal Guidance on the Social Adjustment Ability in X The problem in this study is that there is poor social adjustment showing destructive attitudes, disturbing others, and excessive shame so that they do not want to hang out with other people. The formulation of the problem in this study is whether there is an Influance of Social Personal Guidance on the Social Adjustment Ability in X grade Students of SMAN 1 East Praya in the Academic Year 2020/2021. The purpose of this study was to determine Influance of Social Personal Guidance on the Social Adjustment Ability in X grade Students of SMAN 1 East Praya in the Academic Year 2020/2021. The sample used in this study were 18 people. The instrument used in collecting data is the questionnaire method as the main method, while the interview, observation and documentation methods are complementary methods. In this case the questionnaire was developed in terms of social adjustment. Data analysis using t-test. In accordance with the results of the analysis with a significant level of 5%, it turns out that the calculated "t" value is greater than the "t" table or (10.687>2.110). So, the null hypothesis (Ho) reads "There is Influance of Social Personal Guidance on the Social Adjustment Ability in X grade Students of SMAN 1 East Praya in the Academic Year 2020/2021." stated "rejected" while the alternative hypothesis (Ha) which reads "There is an Influance of Social Personal Guidance on the Social Adjustment Ability in X grade Students of SMAN 1 East Praya in the Academic Year 2020/2021." declared "accepted". So it can be concluded that this research is "significant".


Synthesis ◽  
2021 ◽  
Author(s):  
Xin-Ge Yang ◽  
Xue-Qiang Wang ◽  
Shen-Huan Li ◽  
Cheng-Yu Long

AbstractRecently, intense efforts have been dedicated to the development of novel synthetic strategies to access aromatic amines due to their importance in the pharmaceuticals, agrochemicals, materials, and natural product areas. Although numerous transition-metal-catalyzed C–N formation strategies have been described for the preparation of aromatic amines in the past few decades, complementary methods under transition-metal-free conditions are still required. We present the recent advances in the exploration of innovative amination approaches via C(sp2)–O/C(sp2)–S bond cleavage in this review.1 Introduction2 Stoichiometric Base-Promoted Amination3 Base-Catalyzed Amination4 Photoredox-Catalyzed Amination5 Acid-Promoted Amination6 Conclusion and Perspectives


GYNECOLOGY ◽  
2021 ◽  
Vol 23 (2) ◽  
pp. 137-143
Author(s):  
Natalia V. Artymuk ◽  
Olga A. Tachkova ◽  
Tatiana Yu. Marochko

Aim. To conduct an analytical review of modern publications highlighting modern approaches to improving the quality and increasing life expectancy in postmenopausal women. Materials and methods. The analysis of 47 foreign and domestic literature sources on this topic is carried out. Results. Menopause is a time of significant change for women and a good time to assess and promote health. Patient counseling should include information on lifestyle, contraception, individual and family risks of cancer and osteoporosis. Hormonal, non-hormonal and complementary methods can be used to correct the symptoms of menopause. MHT is the most effective treatment for symptom relief and can be offered to most women. Topical vaginal oestrogen treatment is effective in relieving urogenital symptoms. Women should be able to make informed choices regarding the use of MHT, based on balanced and accurate information about its benefits and risks. Conclusion. Menopause is a time of change for women and provides an opportunity for health assessment and promotion. The decision to treat menopausal symptoms using hormonal, non-hormonal and complementary methods should be made on an individual basis depending on the presence of risk factors and the patients preferences.


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