Airborne Infection Isolation Rooms – A Review of Experimental Studies

2011 ◽  
Vol 20 (6) ◽  
pp. 584-594 ◽  
Author(s):  
Marko Hyttinen ◽  
Anna Rautio ◽  
Pertti Pasanen ◽  
Tiina Reponen ◽  
G. Scott Earnest ◽  
...  
Keyword(s):  
Disease Transmission ◽  
Experimental Studies ◽  
Air Leakage ◽  
Crucial Issue ◽  
Actual Knowledge ◽  
Airborne Infection ◽  
The Us ◽  
Air Cleaners ◽  
Long Time ◽  
Save Energy

Ventilation guidelines for airborne infection isolation rooms (AIIRs) are highly variable in different countries indicating lack of actual knowledge about the guidance needed. However, US guidelines for AIIRs are extensive and have been widely adopted outside the US. AIIR performance has also been evaluated in numerous studies. For a long time, the aim has mainly been to evaluate how well the existing AIIRs meet US guidelines. For historical reasons, mixing-type ventilation has been emphasised and attention has been paid to air exchange rates, although the use of auxiliary devices, such as portable room-air cleaners and ultraviolet germicidal irradiation systems, has also been examined. Recently, the scope of the investigations has been widened. The most crucial issue is to minimise the potential for disease transmission and prevent the escape of contaminated air from the AIIR. Airflow direction inside the AIIR is also important and AIIRs minimise air leakage to save energy. On the other hand, it has been observed that efficient containment can be achieved even by using simple and inexpensive construction by considering pressure differential and air flow patterns. Nevertheless, additional research is needed to assist hospitals with improving their preparedness to cope with the threat of pandemics by building and using effective AIIRs.

Challenges of the parliamentary system in Iraq after 2003

2019 ◽  
Vol 3 (10) ◽  
pp. 101
Author(s):  
Emad Wakaa Ajil
Keyword(s):  
Political System ◽  
Separation Of Powers ◽  
Political Process ◽  
The United States ◽  
Arab Countries ◽  
The Political ◽  
Parliamentary System ◽  
Political Transformations ◽  
The Us ◽  
Long Time

Iraq is one of the most Arab countries where the system of government has undergone major political transformations and violent events since the emergence of the modern Iraqi state in 1921 and up to the present. It began with the monarchy and the transformation of the regime into the republican system in 1958. In the republican system, Continued until 2003, and after the US occupation of Iraq in 2003, the regime changed from presidential to parliamentary system, and the parliamentary experience is a modern experience for Iraq, as he lived for a long time without parliamentary experience, what existed before 2003, can not be a parliamentary experience , The experience righteousness The study of the parliamentary system in particular and the political process in general has not been easy, because it is a complex and complex process that concerns the political system and its internal and external environment, both of which are influential in the political system and thus on the political process as a whole, After the US occupation of Iraq, the United States intervened to establish a permanent constitution for the country. Despite all the circumstances accompanying the drafting of the constitution, it is the first constitution to be drafted by an elected Constituent Assembly. The Iraqi Constitution adopted the parliamentary system of government and approved the principle of flexible separation of powers in order to achieve cooperation and balance between the authorities.

scholarly journals Kittel’s Brief Comments Endorsing an Alternative View on Barium Titanate

2021 ◽  
Vol 6 (1) ◽  
pp. 10
Author(s):  
Akira Kojima
Keyword(s):  
State Physics ◽  
Barium Titanate ◽  
Cell Structure ◽  
Experimental Studies ◽  
Alternative View ◽  
Solid State Physics ◽  
Text Book ◽  
Long Time ◽  
Unit Cell Structure ◽  
Displacive Type

Charles Kittel has written a masterpiece book, “Introduction to Solid State Physics” (ISSP). He mentions in the chapter on ferroelectrics in detail that barium titanate is the typical displacive-type ferroelectric compound where the Ti4+ displacement develops a dipole moment, which has made a deep impression in our mind. The author’s group, however, has arrived at an alternative viewpoint on the unit cell structure of barium titanate based on their exhaustive experimental studies. Accordingly, the author sent his relevant papers in 2006 and 2007 to Kittel. He endorsed the results frankly with reminiscence. He mentioned revising the ferroelectric chapter of ISSP according the author’s suggestions. It appears to be admissible to publish details now after Kittel has passed away. A long time misunderstanding of the phase transition in barium titanate is due to the text book knowledge of ISSP.

Currency Manipulations and Bilateral Trade Between China and the USA

2017 ◽  
Vol 52 (3) ◽  
pp. 171-184 ◽  
Author(s):  
Masoud Moghaddam ◽  
Jie Duan
Keyword(s):  
Exchange Rate ◽  
Gravity Model ◽  
Bilateral Trade ◽  
Trade Deficit ◽  
The Us ◽  
Spot Exchange Rate ◽  
Main Culprit ◽  
Long Time ◽  
The Usa ◽  
Strong Relation

The US trade deficit with China has existed for a long time, and its dollar value has been on the rise recently. It is widely believed that the main culprit is the manipulated value of Renminbi relative to the US dollar. Towards that end, this article re-examines the spot exchange rate and bilateral trade nexus using the Fourier approximation and a variant of the well-known gravity model during the sample period 1993: q1–2014: q1. Although China’s exports to the US Granger cause the exchange rate in a co-integrated space, the findings of a vector error correction model indicate that there is not a strong relation between the two. Indeed, within the aforementioned sample, only 15.52 per cent of changes in China’s exports to the USA are attributable to changes in the spot exchange rate. This is noticeably much smaller than impacts of the other variables utilized in the estimated gravity model. As such, the palpable trade imbalance between the USA and China cannot be single-handedly blamed on the spot exchange rate manipulations.

The future of musical theatre: An animation of a video call between collaborators, 30 September 2020

2021 ◽  
Vol 15 (1) ◽  
pp. 25-40 ◽  
Author(s):  
Joy Brooke Fairfield ◽  
Krista Knight ◽  
Barry Brinegar
Keyword(s):  
Musical Theatre ◽  
First Century ◽  
Us South ◽  
Social Justice Movements ◽  
Art Form ◽  
Gender Minorities ◽  
The Us ◽  
The Future ◽  
Long Time ◽  
Justice Movements

In the first autumn of the COVID-19 pandemic, long-time theatre collaborators in two different cities in the US South discuss the future of an art form that has currently gone dark. Influenced by punk culture, twenty-first-century internet aesthetics, social justice movements and their pets, this decade-strong creative team reflects in a multimedia format on their past work and enumerates their priorities for the future of musical theatre: cheap, remote, inexperienced, local, radical and full of women and sexual/gender minorities.

Secrecy, State-Private Networks and Operational Effectiveness in Cold War Europe

2016 ◽  
Vol 25 (3) ◽  
pp. 551-560
Author(s):  
ERIC PULLIN
Keyword(s):  
Central Intelligence Agency ◽  
Unintended Consequences ◽  
Freedom Of Information ◽  
Public Attention ◽  
Operational Effectiveness ◽  
Intelligence Agency ◽  
The Us ◽  
Long Time ◽  
To Come ◽  
Us Senate

Secrecy has unintended consequences. The release on 9 December 2014 of the US Senate Intelligence Committee's report on the torture of terrorism detainees focused public attention on the secret activities of the Central Intelligence Agency (CIA). Regrettably, lost amidst debate over justifying or condemning state-sponsored torture is a more basic concern, the issue of state secrecy, which underlies the discussion of how governments promote national ends. Only two days after the issuance of the Senate Intelligence Committee's report, the US House of Representatives adjourned without taking action on the Freedom of Information Act reform bill – despite receiving unanimous approval in both houses. This bill would not have required complete openness, but it would have eliminated many of the arbitrary mechanisms that enable the CIA and other governmental agencies to suppress requests for information. Although the House Republican leadership failed to put the act on the legislative calendar, the Obama administration's Department of Justice also deserves opprobrium for surreptitiously opposing the act behind the scenes. The US government's disregard for establishing reasonable rules of transparency virtually guarantees that the CIA will continue to suppress its records, and thus public scrutiny of its unchecked activities, for a very long time to come.

scholarly journals Writing Conflict to End Conflict: Reconciliatory Writing in Cristina García’s "Dreaming in Cuban," "The Agüero Sisters," and "King of Cuba"

2019 ◽  
Vol 1 (1) ◽  
pp. 95-116
Author(s):  
Inger Pettersson
Keyword(s):  
Diplomatic Relations ◽  
Dreaming In Cuban ◽  
Cuban Diaspora ◽  
The Us ◽  
Long Time ◽  
The Relationship

The building of bridges between Cuba and the US has been ongoing for a long time, not least by artists. Reconciliation work preceding the commencement of diplomatic relations between Cuba and the US encompasses, for example, novelist Cristina García’s Dreaming in Cuban (1992), The Agüero Sisters (1997), and King of Cuba (2013). I argue that these novels take on the task of lessening polarizations with the aspiration of furthering reconciliation processes through concentrating on the divisiveness between families and politics within the Cuban communities, focusing on the island Cubans and the US Cuban diaspora. García writes conflict to end conflict and this is, I claim, her strongest contribution to the reconciliation processes. In the last part of the article I briefly discuss how I use the concept of translation to theorize the relationship between fiction and reality.

scholarly journals MODERN CONCEPTION AS TO THE FUNCTIONAL MORPHOLOGY OF THE OLFACTORY SYSTEM AND ITS CHANGES UNDER THE INFLUENCE OF SOME EXOGENOUS POLLUTANTS

2019 ◽  
Vol 23 (3-4) ◽  
pp. 37-40
Author(s):  
A.D. Shkodina ◽  
R.M. Hrinko ◽  
I.I. Starchenko
Keyword(s):  
Environmental Factors ◽  
Olfactory Epithelium ◽  
Functional Organization ◽  
Morphological Changes ◽  
Human Life ◽  
Experimental Studies ◽  
Experimental Models ◽  
Functional Changes ◽  
Olfactory Analyzer ◽  
Long Time

The interaction between a body and an environment provides the main aspects of human life. The study of the functional structure of the olfactory analyzer plays an important role both in clinical and in experimental studies, but the question of its features in humans needs detailed research. The paper presents the modern data of the structural and functional organization of the olfactory analyzer. Particular attention is paid to the structural organization of olfactory bulbs as most complicated and least studied component of the olfactory analyzer. The morphological and functional changes of the olfactory analyzer are developing in some diseases and in action of adverse environmental factors are described while the accentuation is placed on the differences of the mechanism in the pathogenesis of damage to the olfactory analyzer, depending on the nature of the influence of pathogenic factors. In this way as the result of short-term intense effects of the pollutant, irreversible atrophic changes are primarily affected to the olfactory epithelium, thus, to some extent, preventing the spread of the toxin to other analyzer structures. Conversely, a long-term exposure to low doses usually retains the functional activity of the olfactory epithelium, while harmful substances penetrate the central unit of the olfactory analyzer. In such cases, the olfactory dysfunction can be diagnosed after a long time after the start of the cohort with certain pollutants. Currently, studies of the influence of exogenous toxins on various parts of the olfactory analyzer on animal experimental models are quite active. At the same time, the issue of functional and morphological changes in various structural components of the human olfactory analyzer under the influence of negative environmental factors remains poorly understood and requires further morphological and biochemical studies, in order to be able to further develop effective therapeutic and prophylactic means.

scholarly journals HUBUNGAN PIJAT BAYI DENGAN PERKEMBANGAN MOTORIK BAYI USIA 1 – 12 BULAN DI DESA PUNDUNGSARI BULU SUKOHARJO

2015 ◽  
Vol 3 (1) ◽  
Author(s):  
Rahayu Setyaningsih ◽  
Kristiani Eka Prasetyo Wat ◽  
Asri Utami
Keyword(s):  
Rapid Growth ◽  
Experimental Studies ◽  
Sampling Technique ◽  
Test Results ◽  
Infant Massage ◽  
Chi Square ◽  
The Public ◽  
Touch Therapy ◽  
Mother And Child ◽  
Long Time

AbstractIntroduction: Infant massage is a touch therapy oldest known to the public. Infant massage is one of the communication between mother and child is communication through touch. Infant massage has been known to man for a long time and reduced down - generations. Age 1-12 months is a period of rapid growth that is traversed by the child, including motoric development. Infant massage can provide a stimulus to promote weight and to increase motoric development.The purpose: Of this study was to correlate of infant massage and motoric development in infants aged 1-12 months in District Pundungsari Bulu Sukoharjo.The subjects: Were mother with infants aged 1-12 months, in the District Pundungsari. Sampling is done with total sampling technique. They are 33 sample in this research.Methods: This study was a non-experimental studies, correlation approach. Data obtained by the method of questionare, which is mother has filled the questionare about baby massage in infants aged 1-12 months and motoric development. The data have been collected and analyzed by chi square with p= 0.05. The research found that respondents do baby massage with continue and not continue and motoric development found delayed, normal and advance. After the test results obtained chi square p 0.000 to p <0.05, which means Ha accepted and Ho rejected.The conclusion: Of this study is infant massage correlate with motoric development in infants aged 1-12 months in District Pundungsari Bulu Sukoharjo.Keywords: Infant massage, motoric development

scholarly journals How Perceived Processing Fluency Influences the Illusion of Knowing in Learning From TV Reports

2020 ◽  
Vol 32 (1) ◽  
pp. 2-13 ◽  
Author(s):  
Fabian A. Ryffel ◽  
Werner Wirth
Keyword(s):  
Experimental Studies ◽  
Processing Fluency ◽  
Background Music ◽  
Perceived Knowledge ◽  
Actual Knowledge ◽  
Metacognitive Judgments ◽  
Processing Heuristic ◽  
Illusion Of Knowing

Abstract. The present two-study work aims to contribute to an understanding of the causes and consequences of perceived processing fluency. Regarding its causes, the experimental studies ( N1 = 399; N2 = 337) found that features of television reports (e.g., footage used, background music) can heighten perceptions of processing fluency. Regarding its consequences, it was found that heightened perceived fluency biases metacognitive judgments. Specifically, considering perceived knowledge in relation to actual knowledge, recipients experiencing fluency have been found to overestimate their knowledge about the issue depicted in the experimental stimuli. The resulting illusion of knowing was particularly pronounced under conditions of low involvement, indicating that the so-called ease-of-processing heuristic underlies the effect.

scholarly journals A theoretical verification of the integral fluctuation theorem for accelerated colloidal systems in the long-time limit

2021 ◽  
Author(s):  
Yash Lokare
Keyword(s):  
Steady State ◽  
Time Scales ◽  
Numerical Study ◽  
Quantitative Description ◽  
Experimental Studies ◽  
Fluctuation Theorem ◽  
Nonequilibrium Steady States ◽  
Small Scale ◽  
Colloidal Systems ◽  
Long Time

A quantitative description of the violation of the second law of thermodynamics in relatively small classical systems and over short time scales comes from the fluctuation-dissipation theorem. It has been well established both theoretically and experimentally, the validity of the fluctuation theorem to small scale systems that are disturbed from their initial equilibrium states. Some experimental studies in the past have also explored the validity of the fluctuation theorem to nonequilibrium steady states at long time scales in the asymptotic limit. To this end, a theoretical and/or purely numerical model of the integral fluctuation theorem has been presented. An approximate general expression for the dissipation function has been derived for accelerated colloidal systems trapped/confined in power-law traps. Thereafter, a colloidal particle trapped in a harmonic potential (generated by an accelerating one-dimensional optical trap) and undergoing Brownian motion has been considered for the numerical study. A toy model of a quartic potential trap in addition to the harmonic trap has also been considered for the numerical study. The results presented herein show that the integral fluctuation theorem applies not only to equilibrium steady state distributions but also to nonequilibrium steady state distributions of colloidal systems in accelerated frames of reference over long time scales.

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