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Deepwater oil and gas field development in South China Sea

Engineering Sciences 2013年第4期11卷 2-9页

作者： Zhang Dagang Wybro Pieter Kang Yongtian DMAR Engineering Inc. independent contractor Former President of Sea Engineering Inc.

This paper focuses on potential development models of future oil and gas exploration in South China Sea. A detailed study of current development models worldwide is performed through some examples of industry installed/ongoing projects and major technical issues encountered during these practice. Key technologies are discussed for the success of field development. Some of the technologies and field development experience can be used for South China Sea project. Several models are studied in field development for different scenarios,including marginal field,large oil field and gas field. With the massive investment activities,continued improved technologies,and rapidly growing pool of professionals,the offshore industry in China will soon encounter a golden period.

关键词： field development deepwater exploration development model deepwater technology combinedsystem

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The Standard Model Theory [May Be] a Wrong Theory

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Journal of High Energy Physics, Gravitation and Cosmology 2023年第3期9卷 602-610页

作者： Vaggelis Talios National Technical University of Athens (NTUA) Athens Greece independent Researcher E/M Projects Designer and Contractor Engineer Athens Greece

The Standard Model is the theory of Physics that describes the elementary particles of matter and the strong, weak and electromagnetic interactions, between them. The theory of the Standard Model does not include the description of the gravitational interactions. It is a very well founded theory that has predicted many experimental results, such as the existence of many particles and has withstood many experimental tests. The key missing piece of the theory to fill in was the Higgs boson, whose existence was reasonably suspected and confirmed by CERN’s ATLAS and CMS experiments in 2012. The current synthesis of the theory was completed in the mid-1970s, after the experimental confirmation of the existence of the quarks, and then confirmed, with the discovery of the Higgs boson, in 2012. All these, are according to the established views of science. But according to the opinions of many scientists, opinions with which I as the author of this paper agree, the theory of the Standard Model is a wrong theory because, while it makes some successful predictions, it does not answer to a number of many other questions that it should answer for its final establishment. Specifically and according to established views, the theory cannot explain the existence of dark matter and dark energy, the behavior of neutrinos and the existence of particles with very different masses. It is also questionable whether the Higgs boson, discovered in the ATLAS experiment is actually the particle that contributes to the creation of the mass of the elementary particles of matter, and whether the Higgs mechanism is theoretically a correct mechanism. There is doubt if the interactions, actually be created by the exchange of bosons? If bosons are really exist? And not any convincing explanation is given by the theory, for the case that, the bosons exist as particles, where were they found? And how do they work? For replace, or fill the void will be left by the theory of the Standard Model, which I b

关键词： Standard Model Elementary Particles Higgs Boson New Model Interactions

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The military as a neglected pathogen transmitter,from the nineteenth century to COVID-19:a systematic review

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Global Health Research and Policy 2021年第1期6卷 11-22页

作者： Claudia Chaufan Ilinca A.Dutescu Hanah Fekre Saba Marzabadi K.J.Noh Faculty of Health York UniversityTorontoCanada independent Scholar OaklandUSA

Background:The risk of outbreaks escalating into pandemics has soared with ***,understanding transmission mechanisms of infectious diseases has become critical to formulating global public health *** systematic review assessed evidence in the medical and public health literature for the military as a disease ***:We searched 3 electronic databases without temporal *** researchers independently extracted study data using a standardized *** team discussions,studies were grouped according to their type of transmission mechanism and direct quotes were extracted to generate themes and sub-themes.A content analysis was later performed and frequency distributions for each theme were ***:Of 6477 studies,210 met our inclusion criteria and provided evidence,spanning over two centuries(1810–2020),for the military as a pathogen transmitter,within itself or between it and *** mechanisms driving transmission included person-to-person transmission,contaminated food and water,vector-borne,and airborne *** food and/or water were the most common biological transmission *** mechanisms facilitating transmission included crowded living spaces,unhygienic conditions,strenuous working,training conditions,absent or inadequate vaccination programs,pressure from military leadership,poor compliance with public health advice,contractor mismanagement,high-risk behaviours,and occupation-specific freedom of *** conditions were the most common social transmission mechanism,with young,low ranking military personnel repeatedly reported as the most affected *** social mechanisms,such as employment-related freedom of movement,were unique to the military as a social *** few studies explicitly studied civilian populations,considerably more contained information that implied that civilians were likely impacted by outbreaks described in the ***

关键词： COVID-19 Military as transmission vector Military civilian transmission of infectious disease Global public health policy

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The Suh Muscle Hook: A New Muscle Hook for Tight Extraocular Muscles during Strabismus Surgery

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Open Journal of Ophthalmology 2017年第1期7卷 51-56页

作者： Lin Luo Linda A. Morgan Donny W. Suh Elise K. Morgan University of Nebraska Medical Center Omaha NE USA Department of Ophthalmology and Visual Sciences Truhlsen Eye Institute University of Nebraska Medical Center Omaha NE USA Children’s Hospital & Medical Center Omaha NE USA independent contractor Omaha NE USA

Purpose: To introduce an advanced muscle hook to decrease risks and create more feasible extraocular muscle surgeries for physicians. Case Report: Tight extraocular muscles during strabismus surgery could be extremely challenging even in experienced hands due to restricted globe rotation, limited view, and lack of muscle elasticity. Although a variety of surgical instruments have been introduced through the years, traditional muscle hooks such as the Jameson hook are largely unchanged and are bulky and cumbersome. Using the traditional muscle hook under situations such as pediatric strabismus surgery with smaller eyes and extraocular muscles may increase the risk of perforating the globe or even rupturing the muscles. We developed the “Suh muscle hook”, which has a 0.55 mm wide grooved track in a 1.1 mm wide horizontal bar, a semi-sharp dissecting tip, and a 30-degree bending near the handle accommodating for nasal bridge to better facilitate surgeons dealing with tight extraocular muscles and minimize risks during strabismus surgery.

关键词： Suh Muscle Hook Strabismus Surgery Extraocular Muscles

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