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Four comments for the paper from Liu et al. (2019)
Jorge Luis Bazán 한국통계학회 2019 Journal of the Korean Statistical Society Vol.48 No.4
We give comments for the paper from Liu et al. (2019) about the Item Response Theory (IRT) model under consideration, the justification to compute Marginal likelihood, about what we learn with the data analysis performed and finally, about the computational issues in this paper.
Hemostatic state of children with type 1 diabetes
Aleman Mariano Nicolás,Díaz Elba Irma,Luciardi Maria Constanza,Mariani Ana Carolina,Bazán Maria Cristina,Abregu Adela Victoria 대한소아내분비학회 2021 Annals of Pediatirc Endocrinology & Metabolism Vol.26 No.2
Purpose: Hyperglycemia is one of the factors responsible for the molecular alterations that modify hemostasis. The aim of this study was to determine the levels of circulating molecules that have a prothrombotic impact on the child and adolescent population with type 1 diabetes mellitus. Methods: There were 35 patients with type 1 diabetes mellitus (11.0±2.5 years of age and a median 3.7±2.0 years of the disease) with no vascular complications and 20 healthy controls with similar age, sex, and body mass index included in the study. The evaluated parameters were fibrinogen, plasminogen activator inhibitor-1 (PAI-1), von Willebrand factor antigen, and standard coagulation tests (platelet count, prothrombin time, and activated partial thromboplastin time). Glycemic control was evaluated by hemoglobin A1c and fasting blood glucose tests, and the presence of retinopathy and nephropathy was ruled out. The data obtained were analyzed by IBM SPSS Statistics ver. 20.0 and expressed as mean±standard deviation. The Pearson correlation coefficient was applied to investigate correlations between variables. Results: Diabetic patients showed significantly higher levels of fibrinogen (308±66 mg/dL vs. 246±18 mg/dL, P=0.0001), PAI-1 (41.6±12 ng/mL vs. 11.7±1.0 ng/mL, P=0.0001), and von Willebrand factor antigen (284%±55% vs. 121%±19%, P=0.0001). However, standard coagulation tests did not show differences between the 2 groups. PAI-1 was correlated with glycemia, hemoglobin A1c, fibrinogen, and von Willebrand factor antigen. Conclusion: Elevated levels of fibrinogen, PAI-1, and von Willebrand factor antigen were found in the pediatric and adolescent population with type 1 diabetes mellitus, which suggests a prothrombotic state.
Diego Deville,Gustavo Sanchez,Sergio Barahona,Carmen Yamashiro,Daniel Oré-Chávez,Roger Quiroz Bazán,Tetsuya Umino 한국해양과학기술원 2020 Ocean science journal Vol.55 No.1
We evaluated the influence of areas with dissimilar upwelling intensity along the Humboldt Current System on the morphological variation of the economically important sea silverside Odontesthes regia by using geometric morphometric (GM) and meristic data of populations sampled off Northern Peru, Central Peru, Southern Peru-Northern Chile, and Central-Southern Chile (CSCH). Multivariate analyses of variance, a UPGMA tree, and discriminant analyses of meristic counts separated CSCH individuals, which had slightly higher numbers of gill rakers and radius of the anal fin. Permutation tests and canonical variate analyses of GM data distinguished all populations and highlighted deformations in the head and fins. Variations in GM and meristic analyses were significantly correlated with values of the sea surface temperature and surface chlorophyll-a concentrations. Morphological differences among populations might be associated with the spatial coastal upwelling dynamic of the Humboldt Current System, which highlights the role that this system plays in relation to the phenotypic variation of fish.
Pakistan’s Water Security Issue & Impacts of Floods
Mir Sher Baz Khetran(Mir Sher Baz Khetran ) 아시아사회과학학회 2023 Jornal of Asia Social Science Vol.10 No.1
Water security is a crucial issue for Pakistan due to its heavy dependence on agriculture and limited water resources. The country has been facing multiple challenges in managing its water resources, including population growth, climate change, and water pollution. Among these challenges, floods pose a significant threat to Pakistan's water security, as they not only cause significant damage to infrastructure but also have long-term impacts on water availability and quality. This paper examines the impacts of floods on Pakistan's water security and highlights the key factors that contribute to the country's vulnerability to flooding. The paper reviews the existing literature on Pakistan's water resources and flood management strategies and identifies gaps in knowledge and policy. It also analyzes the socioeconomic impacts of floods on the local communities and the wider economy, emphasizing the role of water security in achieving sustainable development.The findings of this study suggest that Pakistan needs to adopt a holistic approach to water management that takes into account the complex interplay of factors that affect water security. This approach should involve the development of sustainable water use practices, the promotion of water conservation, and the implementation of effective flood management strategies. The study concludes that addressing Pakistan's water security challenges requires a coordinated effort by the government, civil society, and private sector, and calls for the development of a national water policy that prioritizes water security and sustainability.
Distributed Sensing and Control of Smart Structural Composites
Baz,Amr 대한기계학회 1993 Korea - U. S. Vibration Engineering Seminar Vol.1 No.1
Considerable emphasis has been recently placed on the development of SMART structural composites with built-in distributing sensing and actuation capabilities. The underlying phenomena and fundamentals governing the operation of this new class of composites will be presented with particular focus on NITINOL-reinforced composites. Utilization of these composites in controlling the whirling of flexible shafts and the buckling of beams will demonstrate the potential of this new class of composites.
Food Security challenges in Pakistan
Sher Baz Khetran,Mahrukh Khan 아시아사회과학학회 2022 International Science Research Vol.2 No.3
Food security in Pakistan is threatened with a litany of challenges on multiple fronts. The challenges not only constitute insufficient financial resources and undersized policies but also a growing unstable geopolitical environment and extreme weather conditions. The economic challenges created in the wake of the Covid pandemic have further added to the difficulties to address the food security nexus in Pakistan.
China-US Relations in the Post Trump Era
Mir Sher Baz Khetran,Saad Bin Zafar Sraw,Mohammad Anjum Saeed 아시아사회과학학회 2021 Jornal of Asia Social Science Vol.3 No.1
Since US President Donald Trump took charge of White House in 2017, his government termed China as revisionist power and started a Trade war with China that worsened already ongoing geopolitical rivalry between two global giants. It also challenged the established norms of international relations on many fronts by reshaping geopolitical alliances. Trump imposed tariffs and other trade barriers on China with the goal of forcing it to make changes to what the U. S. states unfair trade practices , disrupted a longstanding bipartisan consensus on U. S. policy towards China. The U. S always has had a relation with China based on its own interests. Biden during his tenure as a vice president advocated engagement with Beijing but he criticised the paradigm shift in dealing with China during Trump reign and also objected to 2020 January s trade deal with President Xi Jinping as hollow .
Pakistan-Central Asia Connectivity: Role of Railways
Mir Sher Baz Khetran,Mian Ahmad N. Salik,Mahrukh Khan,Muhammad Taimur Khan 아시아사회과학학회 2021 Jornal of Asia Social Science Vol.5 No.2
Prosperity and progress require shared inter regional and intra-regional collaboration, utilizing resources at their maximum and exploring new avenues for transit and trade. Being part of a landlocked but resource-rich region, Central Asian states require improved access to regional markets including Pakistan, China, India and the countries of West Asia. And countries like Pakistan also need to boost trade with Central Asia. As a result of this possible mutual collaboration and economic benefits, railways can constitute a strategic opportunity for Turkmenistan, Uzbekistan, Kyrgyzstan, Kazakhstan and Tajikistan to transport their goods and market them more competitively on the regional and global market, while also benefiting other countries through CPEC. Uzbekistan s Deputy Prime Minister Elyor Ganiev paid a two day visit to Pakistan on 27th of May and met with Prime Minister Imran Khan and briefed him on the transport railway corridor Uzbekistan-Mazar-i-Sharif-Kabul-Peshawar. Uzbekistan shared with Pakistan its plan for an international railway route connecting the two countries via Afghanistan.