scholarly journals Overdurability and Technical Wear of Materials Used in the Construction of Old Buildings

Materials ◽  
2021 ◽  
Vol 14 (2) ◽  
pp. 378
Author(s):  
Jarosław Konior
Keyword(s):  
Inverse Relationship ◽  
Residential Buildings ◽  
A Priori ◽  
Natural Aging ◽  
Distribution Functions ◽  
A Posteriori ◽  
Technical Maintenance ◽  
The Subject ◽  
Materials Used ◽  
The Many

The technical maintenance of old tenement houses traditionally constructed is an ongoing problem, and will continue to be so in the coming years. The subject of the article includes old residential buildings from the turn of the XIX and XX centuries, which are a part of Wroclaw’s downtown district. They can be understood as an essential link in the process of shaping the cultural and social microenvironment of man. The ability of them to meet the multiple expectations of residents depends on the natural aging of tenement houses’ materials, the methods of their maintenance and use, and the influence of the many factors that cause their accelerated wear. The assumed durability is the main reference parameter of the changing age of the inspected tenement houses. The course of the theoretical and observed degree of the technical wear of these buildings was compared with their durability. For the age of these buildings, the technical wear should reach 100%. It was observed that in the first period of use of tenement houses, the phenomenon of “infradurability” occurs, and after exceeding a certain age—depending on the maintenance conditions of the building—the phenomenon of “overdurability” of the building occurs. It was shown that the durability of important elements of old buildings, as a parameter that was defined “a posteriori”, ranges from 153 to 177 years, and is greater than the corresponding literature values indicated “a priori”. The probability of reaching such an age of an element, in which the observed values of technical wear exceed the theoretical values, is much higher than the probability of an opposite event. A comparative analysis of the distribution functions of these probabilities indicates that the probabilities of theoretical wear values are higher than those observed in the case of the assumed literature durability of elements. There is also an inverse relationship for durability that corresponds to the age of the oldest examined elements of tenement houses.

Do We Have Reason to Doubt the Importance of the Distinction between A Priori and A Posteriori Knowledge?

2020 ◽  
pp. 137-155
Author(s):  
Paul Boghossian ◽  
Timothy Williamson
Keyword(s):  
A Priori ◽  
A Posteriori ◽  
Top Down ◽  
Justified Belief ◽  
Central Argument ◽  
The Subject ◽  
Type Of Exercise

This essay defends the a priori–a posteriori distinction against two skeptical challenges posed by Williamson in Chapter 8. Against the argument that no top-down characterization of the distinction can line up with the intuitive paradigm examples, it contends that the argument’s reliance on the distinction between ‘inner’ and ‘outer’ experience renders it ineffective. An alternative way of running the argument is shown to lead to a different conclusion, one about the nature of justifiers. Against Williamson’s central argument, which presents a pair of cases designed to show that whatever distinction the paradigm examples mark it cannot be one of epistemological significance, the essay argues that Williamson fails to draw the correct conclusions from his cases, and in particular fails to show that the subject in either case can acquire justified belief via the type of exercise of the imagination that he describes.

A Study of the Mechanism of the Deactivation Effect

1954 ◽  
Vol 27 (1) ◽  
pp. 157-164 ◽  
Author(s):  
Jacques Le Foll
Keyword(s):  
Chemical Structure ◽  
A Priori ◽  
Natural Aging ◽  
Chain Scission ◽  
Nitro Compounds ◽  
Active Part ◽  
Relaxation Phenomena ◽  
Chain Molecules ◽  
Vulcanized Rubber ◽  
The Subject

Abstract The only method by which significant differences between the effects of antioxygenic agents and deactivating agents can be detected has been found to be a study of relaxation phenomena. An investigation by this method has also furnished further support to the theories of Tobolsky and his coworkers. The changes which take place during aging in the physical properties of vulcanized rubber are the result of two independent phenomena which occur simultaneously: (1) chain scission, and (2) formation of intermolecular bonds. As far as the aging of vulcanizates of natural rubber under normal conditions, e.g., socalled natural aging, is concerned, the chief phenomenon involved is scission of the chain molecules. In principle, therefore, there are two methods for combatting the deterioration of rubber on aging: (1) to impede chain scission by obstructing the fixation of oxygen, and (2) to promote the progressive formation of intermolecular bonds which compensate for the effects of the scission process. The first of these processes is that in which antioxygenic agents play the active part; in the second process, deactivating agents play the active part. From this viewpoint, deactivating agents play a part analogous to that of accelerators, and they may be regarded as representing a special type of acceleration. This theory makes possible a better understanding of a number of facts which, a priori, seem surprising: (1) the relationships of both chemical structure and mode of action of accelerators and deactivating agents, and (2) the protective effect of litharge, peroxides, and nitro compounds, all of which are vulcanizing agents. With respect to the intimate mechanism of the deactivating effect, one question remains unanswered, viz., how are intermolecular bonds formed under the influence of deactivating agents? This question recalls the question of the function of vulcanization accelerators, which has been the subject of many investigations, but which still remains a mystery.

scholarly journals Non-Naturalism and Reference

2017 ◽  
Vol 11 (2) ◽  
pp. 1-25 ◽  
Author(s):  
Jussi Suikkanen ◽  
Jussi Suikkanen
Keyword(s):  
Social Sciences ◽  
Subject Matter ◽  
A Priori ◽  
Causal Mechanism ◽  
A Posteriori ◽  
Natural Properties ◽  
The Subject ◽  
Causal Theories ◽  
Qua Problem

Metaethical realists disagree about the nature of normative properties. Naturalists think that they are ordinary natural properties: causally efficacious, a posteriori knowable, and usable in the best explanations of natural and social sciences. Non-naturalist realists, in contrast, argue that they are sui generis: causally inert, a priori knowable and not a part of the subject matter of sciences. It has been assumed so far that naturalists can explain causally how the normative predicates manage to refer to normative properties, whereas non-naturalists are unable to provide equally satisfactory metasemantic explanations. This article first describes how the previous non-naturalist accounts of reference fail to tell us how the normative predicates could have come to refer to the non-natural properties rather than to the natural ones. I will then use the so-called qua-problem to show how the causal theories of reference of naturalists also fail to fix the reference of normative predicates to unique natural properties. Finally, I will suggest that, just as naturalists need to rely on the non-causal mechanism of reference magnetism to solve the previous problem, non-naturalists, too, can rely on the very same idea to respond to the pressing metasemantic challenges that they face concerning reference.

scholarly journals The subject and competences of the methaphysics of law

2000 ◽  
Vol 72 (8-9) ◽  
pp. 131-141
Author(s):  
Janko Kubinjec
Keyword(s):  
A Priori ◽  
A Priori Knowledge ◽  
A Posteriori ◽  
The Subject ◽  
The Law ◽  
Priori Knowledge

The subjective and objective spirit do not differ by the degree of their authenticity, but only by different spheres to which they extend. The law reaches both the subjective sphere and the objective sphere of the spirit, but the laws on which it is based belong exclusively to the sphere of the subjective spirit. The laws on which the law is based are imanent to man as a spiritual being and they are transcendental to man as the subject of knowledge. They are the object of an a priori knowledge, in contrast to the law itself which is the object of an a posteriori knowledge. The subject of methaphysics is a priori knowledge of the laws on which the law is based and this is. at the same time, the limit of its competences.

scholarly journals Risks in export deliveries of SMEs

2021 ◽  
Vol 14 (2) ◽  
pp. 140-149
Author(s):  
V. V. Balakirev ◽  
E. Yu. Kamchatova
Keyword(s):  
Foreign Trade ◽  
A Priori ◽  
Risk Groups ◽  
Foreign Market ◽  
A Posteriori ◽  
Specific Level ◽  
Industrial Enterprises ◽  
The Many ◽  
Large Groups ◽  
Working Out

The article is devoted to the analysis of the main risks associated with export deliveries by small and medium–sized industrial enterprises. Of all the many risks that arise in foreign trade deliveries of SMEs, the author identifies two large groups: a priori risks, which are a theoretical plan for working out certain commercial issues of the company’s entry into the foreign market, and a posteriori risks, which become known to the business entity only after entering a foreign market, organizing a specific supply chain, conducting an advertising campaign, etc. The described risk groups — apriori, aposteriori, most specific level — the level of commercial risks of an enterprise engaged in foreign trade deliveries.

The future role of the psychiatrist in Europe – a UEMS perspective

2014 ◽  
Vol 11 (01) ◽  
pp. 35-42
Author(s):  
M. Hermans
Keyword(s):  
Mental Health ◽  
Mental Health Professionals ◽  
Health Professionals ◽  
General Interest ◽  
Future Role ◽  
Personal Opinion ◽  
The Future ◽  
The Subject ◽  
The Many

SummaryThe author presents his personal opinion inviting to discussion on the possible future role of psychiatrists. His view is based upon the many contacts with psychiatrists all over Europe, academicians and everyday professionals, as well as the familiarity with the literature. The list of papers referred to is based upon (1) the general interest concerning the subject when representing ideas also worded elsewhere, (2) the accessibility to psychiatrists and mental health professionals in Germany, (3) being costless downloadable for non-subscribers and (4) for some geographic aspects (e.g. Belgium, Spain, Sweden) and the latest scientific issues, addressing some authors directly.

‘More, I prithee, more’: Melancholy, Musical Appetite and Medical Discourse in Shakespeare’s Twelfth Night

2018 ◽  
Author(s):  
Pierre Iselin
Keyword(s):  
Early Modern ◽  
Early Modern England ◽  
Medical Discourse ◽  
Modern Music ◽  
Twelfth Night ◽  
The Tempest ◽  
Dramatic Text ◽  
Musical Event ◽  
The Subject ◽  
The Many

Pierre Iselin broaches the subject of early modern music and aims at contextualising Twelfth Night, one of Shakespeare’s most musical comedies, within the polyphony of discourses—medical, political, poetic, religious and otherwise—on appetite, music and melancholy, which circulated in early modern England. Iselin examines how these discourses interact with what the play says on music in the many commentaries contained in the dramatic text, and what music itself says in terms of the play’s poetics. Its abundant music is considered not only as ‘incidental,’ but as a sort of meta-commentary on the drama and the limits of comedy. Pinned against contemporary contexts, Twelfth Night is therefore regarded as experimenting with an aural perspective and as a play in which the genre and mode of the song, the identity and status of the addressee, and the more or less ironical distance that separates them, constantly interfere. Eventually, the author sees in this dark comedy framed by an initial and a final musical event a dramatic piece punctuated, orchestrated and eroticized by music, whose complex effects work both on the onstage and the offstage audiences. This reflection on listening and reception seems to herald an acoustic aesthetics close to that of The Tempest.

A priori/a posteriori

2017 ◽  
Author(s):  
Heinrich Schepers ◽  
Giorgio Tonelli ◽  
Rudolf Eisler
Keyword(s):  
A Priori ◽  
A Posteriori

Educación y valores

2014 ◽  
pp. 83
Author(s):  
Sabino de Juan López
Keyword(s):  
Key Words ◽  
A Priori ◽  
Palabras Clave ◽  
The Subject ◽  
The Relationship ◽  
Problem Of The Criterion

RESUMEN En el artículo se ofrece una reflexión en torno a la educación y valores. Tras una referencia a los diferentes sentidos en que se puede plantear el problema en función de la forma como se puede entender la relación entre los dos sustantivos “educación” y “valores”, la reflexión se centra en algunos problemas relacionados con los valores en cuanto contenidos de la educación. Primeramente se refiere al problema del criterio en función del cual determinar los valores de la educación, concluyendo en que el criterio no podía ser ni de carácter a priori, ni empírico, sino “sintético”. A continuación, se afronta el problema del principio, de la fuente de los valores, o la concreción del criterio de los valores de la educación, entendiendo que éstos deberían ser determinados a partir del sujeto de la educación. Se concluye con la referencia a una exigencia de los valores de la educación, la configuración de una totalidad unitaria e interactiva. Palabras clave: educación, valores, fuente de valores, integración, cultura EDUCATION AND VALUES ABSTRACT The article offers a reflection on education and values. After a reference to the different senses in which one can pose the problem in terms of how you can understand the relationship between the two nouns “education” and “values”, reflection focuses on some problems related to the values in the contents of education. First, it concerns the problem of the criterion against which to determine the values of education, concluding that the criterion could be neither a priori in nature, not empirical, but “synthetic”. Herein, the problem of principle is faced, the source of values, or the realization of the criterion of the values of education, understanding that these should be determined from the subject of education. It concludes with the reference of a requirement of the values in education, setting up a unitary and interactive whole. Key Words: education, values , power values , integration, culture

Book Review: Writing for Academic Journals Second Edition

2021 ◽  
Author(s):  
Andi Asrifan ◽  
Abd Ghofur
Keyword(s):  
Health Service ◽  
Professional Life ◽  
Professional Lives ◽  
Academic Journals ◽  
Writing For Publication ◽  
Undergraduate Level ◽  
Publish Or Perish ◽  
The Subject ◽  
The Many

Anyone who wants to get ahead in academic or professional life today knows that it’s a question of publish or perish. This applies to colleges, universities, and even hospital Trusts. Yet writing for publication is one of the many skills which isn’t formally taught. Once beyond undergraduate level, it’s normally assumed that you will pick up the necessary skills as you go along.Writing for Academic Journalsseeks to rectify this omission. Rowena Murray is an experienced writer on the subject (author of How to Write a Thesis and How to Survive Your Viva) and she is well aware of the time pressures people are under in their professional lives. What she has to say should be encouraging for those people in ‘new’ universities, people working in disciplines which have only recently been considered academic, and those in professions such as the health service which are under pressure to become more academic.

Sign in / Sign up

Export Citation Format

Share Document