bluuebunny/crossref_metadata_2025 huggingface dataset:
Structure of the cavalry group of the Crown Standard-Bearer Mikołaj Hieronim Sieniawski, stationed in Moldavia after the battle of Khotyn (Chocim) in 1673
Authors: Hundert Zbigniew
Published: January 2024

On 10 and 11 November 1673 Commonwealth’s armies crushed Ottoman forces at the battle of Khotyn. Victory open new theatre of the operations against High Porte: towards river Danube and on the Polish territories lost in 1672 (Podolia with Kamianets-Podilskyi and Right-bank Ukraine). Polish and Lithuanian troops were very weary after the campaign, what’s more death of King Michał Korybut Wiśniowiecki led to interregnum. Polish command decided to set up the system of border defence, to protect country until the election of new monarch, which should later lead to the new offensive. As such cavalry detachments were spread out in Podolia and Moldavia, while corps under command of Mikołaj Hieronim Sieniawski, Crown Standard-bearer was sent to occupy the latter country. Previous research mentioned that this group had between 6000 and 8000 soldiers. Thanks to document from National Library in Warsaw, we can now identify much more detailed organisation of Sieniawski’s force. He had 48 pancerni banners and two light horse banners, in total 5206 horses. Despite capturing Iași, capitol of Moldavia, Sieniawski’s troops were forced on 17 January 1674 to retreat to Poland, under pressure from the fresh Tatar attack. Despite of the withdrawal from Moldavia, border defence system was still functional and Commonwealth managed fairly quickly to elect new king.
Corpus-Based Diachronic Analysis on the Representations of China’s Poverty Alleviation in People’s Daily
Authors: Tang Qingye , Mu Yujia
Published: January 2024

Poverty, as a global issue, challenges the sustainable development of the world. In the past 40 years, China has made great achievements in poverty alleviation which arouses the media interest across the world. This article examines how People’s Daily reported China’s poverty alleviation from the beginning of China’s reform and opening up in 1978–2020, particularly with regard to the interaction between discourse and social practice. Through corpus-based discourse analysis, it has found that, first, the number of the reports changed with the process of poverty alleviation and the national policies. Second, it has shown differences in lexical choices in different periods, with an overall shift from the agricultural reform and economic investment to education, culture and ecology poverty alleviation; third, China’s involvement in the world’s poverty alleviation causes changed from initially seeking help to gradually becoming a leading voice calling for cooperation and offering aid for other countries. The findings reveal that there is a strong correlation between the discourse and social change: the social context is echoed in the discourse features in different periods; meanwhile, news discourse also plays a positive role in publicizing the Chinese government’s achievements and promoting the process of poverty alleviation.
Short conditional complete diagnostic tests for circuits under one-type constant faults of gates
Authors: Popkov Kirill A.
Published: January 2024

We prove that any (almost any) n-place Boolean function can be implemented by a logic circuit in the “conjunction, disjunction, implication, negation” basis admitting a conditional complete diagnostic test of length at most n (at most n − 1, respectively) relative to constant faults of type 0 on outputs of gates.
Approximation of vectorial functions over finite fields and their restrictions to linear manifolds by affine analogues
Authors: Ryabov Vladimir G.
Published: January 2024

The nonlinearity of vectorial functions and of their restrictions to manifolds are defined as the Hamming distance to the set of affine mappings and of their restrictions to the manifold, respectively. Relations between the parameters of the nonlinearity of a vectorial function and their analogues for its coordinate functions and its restrictions to manifolds are established. An analogue of the Parseval identity for such parameters of vectorial functions is proved, which implies the upper bound (qk
− 1)q

n−k
− q

n/2−k
for the nonlinearity of a mapping over a q-element field of n variables with k coordinates. Attainability conditions for this estimate are found, and a class of Boolean vectorial functions with high value of nonlinearity is constructed. Estimates characterizing the distribution of the nonlinearity of a vectorial function and of its restrictions to manifolds are obtained.
On statistical convergence of order α of sequences in gradual normed linear spaces
Authors: Choudhury Chiranjib , Das Bijoy , Debnath Shyamal
Published: January 2024

In the current paper, we introduce the notion of statistical convergence of order α and strongly
p-Cesàro summability of order α of sequences in the gradual normed linear spaces.
We investigate several properties and a few inclusion relations of the newly introduced notions.
Why Evolutionary Psychology Is Not Feminist: Assessing the Core Values and Commitments of the Evolutionary Study of Gender Differences
Authors: Somcutean Cristina
Published: January 2024

Evolutionary psychology (EP) theorizes that contemporary women and men differ psychologically, particularly in mating and sexuality. It is further argued that EP research on gender-specific psychological differences is compatible with feminist perspectives. This paper analyzes if integrating EP scholarship on gender differences into feminist scholarship is possible by investigating EP’s core scientific commitments. I will argue that EP’s theories, hypotheses, and empirical findings that pertain to the study of gender do not align with its core values based on Longino’s feminist theoretical virtues as outlined in the 1996 article “Cognitive and Non-Cognitive Values in Science: Rethinking the Dichotomy.” I employ feminist theoretical virtues as tools for revealing how certain theories, models, and hypotheses rely upon, promote contentious norms, and suppress gender. I will defend the thesis that EP theories, hypotheses, and empirical findings are often empirically inadequate, androcentric, and ontologically too homogeneous. Further, EP employs single-factor control models, has no straightforward practical application, and might even be politically dangerous. These characteristics challenge a successful integration of EP into feminism.
Uniqueness of exponential polynomials
Authors: Wang Ge , He Zhiying , Fang Mingliang
Published: January 2024

In this article, we study the uniqueness of exponential polynomials and mainly prove: Let

n

n

be a positive integer, let

p

i

(

z

)

(

i
=
1
,
2
,
…
,
n

)

{p}_{i}\left(z)\hspace{0.33em}\left(i=1,2,\ldots ,n)

be nonzero polynomials, and let

c

i

≠
0

(

i
=
1
,
2
,
…
,
n

)

{c}_{i}\ne 0\hspace{0.33em}\left(i=1,2,\ldots ,n)

be distinct finite complex numbers. Suppose that

f

(

z

)

f\left(z)

is an entire function,

g

(

z

)

=

p

1

(

z

)

e

c

1

z

+

p

2

(

z

)

e

c

2

z

+
⋯
+

p

n

(

z

)

e

c

n

z

g\left(z)={p}_{1}\left(z){e}^{{c}_{1}z}+{p}_{2}\left(z){e}^{{c}_{2}z}+\cdots +{p}_{n}\left(z){e}^{{c}_{n}z}

. If

f

(

z

)

f\left(z)

and

g

(

z

)

g\left(z)

share

a

a

and

b

b

CM (counting multiplicities), where

a

a

and

b

b

are two distinct finite complex numbers, then one of the following cases must occur:

(i)

n
=
1

n=1

.

If

a
≠
0

a\ne 0

,

b
=
0

b=0

, then either

f

(

z

)

≡
g

(

z

)

f\left(z)\equiv g\left(z)

or

f

(

z

)

g

(

z

)

≡

a

2

f\left(z)g\left(z)\equiv {a}^{2}

;

If

a
=
0

a=0

,

b
≠
0

b\ne 0

, then either

f

(

z

)

≡
g

(

z

)

f\left(z)\equiv g\left(z)

or

f

(

z

)

g

(

z

)

≡

b

2

f\left(z)g\left(z)\equiv {b}^{2}

;

If

a
≠
0

a\ne 0

,

b
≠
0

b\ne 0

, then either

f

(

z

)

≡
g

(

z

)

f\left(z)\equiv g\left(z)

or

f

(

z

)

g

(

z

)

≡

(

a
+
b

)

g

(

z

)

−
a
b

f\left(z)g\left(z)\equiv \left(a+b)g\left(z)-ab

.

(ii)

n
≥
2

n\ge 2

,

f

(

z

)

≡
g

(

z

)

f\left(z)\equiv g\left(z)

.

This is an extension of the result obtained in an earlier study on meromorphic functions in 1974.
Study on the influence of in-mold sequential injection molding process parameters on mechanical properties of self-reinforced single composites
Authors: Lu Yong , Wang Chen
Published: January 2024

In this paper, the self-reinforced single polymer composites (SR-SPCs) with different mechanical properties were obtained by compound injection molding technology, and the micro-morphology of these samples was observed. Then, using structured statistical methods, analysis of variance, and response surface methodology, study the effects of various molding variables on material morphology and properties and determine the most important molding variables and their interactions. Finally, the associated experimental data are fitted by the least squares minimization program, and the relevant dimensionless equations are obtained. The purpose is to objectively analyze the influence mechanism of molding parameters on SR-SPCs and establish a mechanism model. It was found that temperature change was the most important factor affecting the morphology and mechanical properties. The degree of molecular orientation is the most important factor to determine the tensile strength and elastic modulus of the sample. The change of crystallinity is the most important factor related to the elongation at break. By establishment relevant dimensionless equations, the influence of molding parameters on the mechanical properties of SR-SPCs, such as tensile strength and elastic modulus, was preliminarily studied.
A kivetített Münchausen-szindróma vizsgálata a szociális szakemberek szempontjából
Authors: Domokosné Szabó Hajnalka , Jávor Rebeka
Published: January 2024

Jelen tanulmány egy szűk körben ismert és kevesek által vizsgált témakört jár körül, egy betegséget, ami annak ellenére, hogy érdekesnek és nem mindennapinak mondható, nehezen felismerhető, sokszor még az orvostudomány számára is. Ez a Münchausen-szindróma. A betegségnek két fajtája van: az egyik esetben a betegségben szenvedő személy magának okoz egészségügyi károkat, hogy a környezete felfigyeljen rá, a másik esetben pedig egy számára kiemelkedően fontos személyben (leginkább az anya–gyermek kapcsolatban alakul ki és rendszerit az anya a „bántalmazó”) okoz egészségügyi problémát, ami akár maradandó vagy végzetes is lehet.
ISA-guided mentorship and teacher turnover
Authors: Passmore Graham
Published: January 2024

A large proportion of teachers are prone to leaving the profession in their first five years of work. This phenomenon, teacher turnover, is a long-standing and costly societal ill. To offset it, governments have implemented mentorship and induction programs. Despite the successes of these programs, turnover is still a troublesome issue. A weakness of the government programs is that they are generalized in nature and cannot cater to the needs of the individual teacher. Identity Structure Analysis can uncover stresses and conflicts of both individual and groups of teachers. It is presented as means for generating mentorship advice that holds potential for overcoming the generalized nature of induction programs. To illustrate how this personalized mentorship advice might manifest, a summary analysis of a single teacher in crisis (teachers in a state of identity crisis are considered the teachers most likely to leave the profession) is generated. In addition, a nomothetic analysis of five teachers in a state of identity crisis is generated to illustrate how from a larger study involving more teachers in crisis, Identity Structure Analysis might reveal something of the nature of the teacher identity crisis.
Az irodatér komfortjának vizsgálata a munkavállalók szempontjából
Authors: Grozdics Anett Tímea , Girán János , Cakó Balázs , Borsos Ágnes
Published: January 2024

A kutatás célja a stresszmenedzsment egyéni és szervezeti aspektusainak bemutatása, mely keretében a parametrizált komfortot a fizikai terekben, továbbá a munkavállalói well-being összefüggésében vizsgálja, mindezt a munkahelyi teljesítménynövelés összefüggésében, valamint annak pozitív hatásait a munkahelyek és a munkavállalók számára. A kutatás során arra kerestük a választ, hogy a munkakomfort érzet milyen mértékben járul hozzá a munkavállalók stressz szintjének alakulásához, illetve, hogy ez befolyásoljae az egyén teljesítő képességét, ami kihathat a szervezeti hatékonyságra. Kutatásunk során választ kerestünk arra, hogy a stressz miként hat az egyénre, ez milyen hatással van a szervezetre. Összefüggést mutatunk be az irodai munkaterek - ergonómia kialakítása és a hatékony munkavégzés kapcsolatáról, bizonyítva az egymásra való hatásukat, kitekintéssel a stressz befolyásoló képességére. Az adott munkafolyamathoz a lehető legoptimálisabban szükséges kialakítani a megfelelő munkateret, ezáltal feltételezhető, hogy kevesebb distressz éri a munkavállalókat, akik így hatékonyabban tudnak együtt, illetve csoportosan dolgozni. Ezen kívül a munkakomfort pozitív irányú kivitelezése során az egyénekben, és ezáltal közvetetten a szervezetben is eustressz alakulhat ki, mely fokozza a teljesítő képességet, így növelve a hatékonyságot, ami gazdasági fellendüléshez vezethet.
RUNIN – Az Európai Unió regionális gazdaságfejlesztési kísérlete a felsőoktatási szektor célzott támogatásával
Authors: Pozsár Dániel Károly
Published: January 2024

Napjaink globális gazdasági kihívásai az Európai Unió fejlesztési politikájának fókuszát is meghatározzák. Különösen igaz ez az innovációs ökoszisztémára és a regionális gazdaságfejlesztésre, amelyek mindig is kiemelt területeit jelentette az uniós fejlesztéseknek. A 21. század első évtizedeiben a regionális fejlesztések talán legfontosabb szereplőivé váltak a felsőoktatási intézmények. Az egyetemek megfelelő és hatékony részvétele nélkül már nehezen elképzelhető egy területi alapú gazdasági fejlesztés vagy innováció kidolgozása. Tanulmányomban a RUNIN projekt bemutatására vállalkoztam, amely az Európai Unió Horizon 2020 programjának keretein belül került megvalósításra. A RUNIN tervezet lényege, hogy összetett képet kapjunk arról, hogy az egyetemek miként járulnak hozzá a regionális gazdasági fejlődéshez és innovációhoz, akár a regionális ipar erősítésén, akár a megfelelő munkaerő kiképzésén keresztül. A RUNIN programmal egy komplex cél került kijelölésre: Nemcsak a fentebb kifejtett kérdésekre való válaszok megtalálása, de egy olyan jól felkészített PhD-hallgatói réteg szakmai tudásának a megalapozása is, akik a későbbiekben akár az egyetemi, az ipari vagy az állami, önkormányzati szektorban is megfelelő tudás birtokában lesznek képesek a becsatlakozásra. A tanulmány feltárja a RUNIN program legfontosabb céljait, stratégiáját, kutatási témáit és eredményeit, emellett röviden összefoglalja az egyetemi szféra regionális gazdaságfejlesztésre gyakorolt hatásának a kialakulását és elterjedését, ezzel kontextusba helyezve a vizsgált program relevanciáját.
Recenzió a „Magyarország mozdonyai” című kötetről
Authors: Bércesi Richárd
Published: January 2024

.
Apresentação do Dossiê
Authors: Martins de Castro Bruno , Fernandes de Souza Cleudiza
Published: January 2024

Apresentação do Dossiê: Escravidões, experiências de liberdades e pós-abolição no Brasil
Trabalho, moralidade e controle social na Doca das Frutas (Porto Alegre/RS, 1947)
Authors: Mendes Reis Furini Vinícius
Published: January 2024

O presente artigo tem o objetivo de investigar – através de inquéritos policiais e processos-crime, localizados no acervo do Arquivo Público do Estado do Rio Grande do Sul (APERS) – a perseguição e o controle social estabelecido sobre trabalhadores informais que foram alvos da vigilância e repressão policial, medidas mais evidentes do controle social que era exercido sobre esses sujeitos, considerados como “vadios” pelas instituições policiais e judiciárias, observando a forma como a cor era operacionalizada e exercia importante papel na diferenciação destes sujeitos.
Fraudes, Tensões e Violência
Authors: Wesley do Nascimento Martins Antônio
Published: January 2024

O trabalho analisa a eleição de Pe. Odílio Lopes de Melo Galvão para Prefeito de Senador Pompeu-CE (1963-1965) e as tensões que marcaram sua gestão, compreendendo-o enquanto um “coronel de batina” (REIS, 2008). Analisando Atas da Câmara Municipal da cidade e matérias de jornais colhidas no site da Hemeroteca Nacional, atentando para os silêncios, interesses e escolhas que envolvem a produção de documentos oficiais (BACELLAR, 2008) e de impressos (LUCA, 2008), percebemos que sua eleição demarcou uma interessante mudança no cenário político da cidade ao passo em que seu mandato fora marcado pela descoberta de fraude, além de discordâncias com o Legislativo que culminaram em agressões e até mesmo no assassinato de um edil opositor. Para tal, dialogamos com Bernstein (2003), Farias (2012; 2022), Le Goff (1990), Nogueira Júnior (2004), dentre outros.
ULTRASES PROSESİNİN BİTKİSEL ATIK VE YAN ÜRÜNLERDEN PROTEİN ELDESİNDE KULLANIMI VE PROTEİNLERİN FONKSİYONEL ÖZELLİKLERİ ÜZERİNE ETKİSİ
Authors: GÜMÜŞ Sümeyye , YILDIZ Semanur
Published: January 2024

Değişen çevresel ve yaşamsal koşullar, artan dünya nüfusu, sınırlı besin kaynakları ve çeşitlenen beslenme tercihleri sebebiyle gıda kaynaklarının etkin kullanımını ve sürdürülebilir gıda üretim sistemlerinin geliştirilmesini hedefleyen farklı stratejilerin araştırılması günümüzde dikkat çeken güncel araştırma konuları arasındadır. Bitkisel proteinler ise artan nüfusun beslenme ihtiyacını karşılayabilmek için alternatif bir kaynak olarak karşımıza çıkmakta olup bitkisel atık ve yan ürünlerin proteinlerinin değerlendirilerek döngüsel ekonomi politikası çerçevesinde yeniden ekonomiye kazandırılması beslenme kaynaklarının etkin kullanımı için önem arz etmektedir. Bitkisel protein üretimindeki geleneksel yaklaşımlara alternatif olarak yenilikçi ekstraksiyon stratejileri geliştirilmekte olup ultrases destekli protein ekstraksiyonu bu yöntemlerden birisidir. Ultrases prosesi lignoselülozik bileşenlerin olduğu bitkisel matriksten proteinlerin ekstraksiyonunda daha yüksek verim elde edilmesini sağlamanın yanı sıra aynı zamanda proteinlerin fonksiyonel özelliklerini geliştirme yönünde etki gösterme potansiyelinden dolayı dikkat çekmektedir. Bu derleme ise, bitkisel atık ve yan ürünlerden ultrases prosesiyle protein ekstraksiyonu ve proteinlerin fonksiyonel özellikleri üzerindeki olası etkileri konularındaki güncel gelişmeleri değerlendirmeyi amaçlamaktadır.
Effect of microwave-assisted impregnation on the leaching resistance of ACQ in refractory spruce wood
Authors: Gündüz Vaydoğan Kübra , Şahin Kol Hamiyet
Published: January 2024

Microwave (MW) treatment is an environmentally friendly and time-saving technique with great potential for generating wood-impregnation innovations. In this study, a microwave-assisted impregnation (MWAI) approach was developed to achieve adequate retention and fixing of alkaline copper quaternary (ACQ) in refractory spruce wood. The synergistic effect of MW pre- and post-treatments in the impregnation procedure on wood’s compressive strength (CS) and copper leaching resistance and valence conversion was investigated. In conclusion, high-intensity MW pre-treatment and low-intensity MW post-treatment provided optimum results for the fixation of copper. Based on the results of the copper conversion assays, the same MWAI procedure is also predicted to give high biological efficiency.
Modified logistic differential equation of neutral type with time delay
Authors: Švitra Donatas
Published: January 2024

The following differential equation is considered:N(t) = rN[1 + a(1 − {N(t)}/K) − {N(t − h) + ρN(t − h)}/K].The stable periodic solution based on the bifurcation theory of that differential equation is constructed.
Assessing the impact of usage of steroids among newly detected diabetes patients in a study among covid-19 patients across India
Authors: Maheshwari Anuj , Sachan Amod Kumar , Shukla Abhishek , Hasnani Dhruvi , Bhattacharya Meenakshi , Prabhu M Mukhyaprana , Saxena Divya , Khandelwal Bidita , Nawal CL , Makkar Brij Mohan , Ansari Sajid , Chawla Prahlad , Agrawal Prabhat , Saxena Ashish , Verma Narsingh , Saboo Banshi , Singh Uday Pratap , Arora Vanshika , Chavda Vipul
Published: January 2024

Background: There is a bidirectional relationship between COVID-19 and diabetes. New-onset diabetes and severe metabolic complications of pre-existing diabetes in patients with COVID-19 have been observed. Steroids are medications used for treatment of several diseases, including COVID-19. Its pharmacological action increases blood glucose and poses additional challenges in the management. Aim: To study the impact of steroids on newly detected diabetes patients with a history of COVID-19 in a cohort group. Method: 2263 patients from 15 different sites across India were analysed following a specific eligibility criterion. The patients were segregated into three groups - No steroids, Low steroids [less than or equal to the median dose (50mg)], and High steroids [greater than the median dose (50mg)]. Two-way Analysis of Variance (ANOVA) test was used to test the relationship between Diabetes status and Steroid usage. Results: The steroid dosage for the management of COVID-19 in the Newly-Detected Diabetes (NDD) group received higher doses of steroids. All steroid doses were adjusted and standardized to prednisolone 5mg. The average maximum doses of steroids used in the management of COVID-19 for NDD was 86.6 mg/day. Within the NDD group, those who received a lower steroid dose had a higher HRCT score as compared to the No steroid and High steroid groups. Also, amongst all patients who did not receive steroids for management of COVID-19, NDD had a statistically higher HRCT score. Conclusion: The prevailing hypothesis that increased application of steroids causes diabetes-like disease spectrums in patients recovering from COVID-19. The findings however require reconsidering steroid usage as the leading cause of COVID-induced diabetes.
Practice and Capabilities of Program Housing Policy Implementation in Ukraine
Authors: NOVIKOV VALERII , HVELESIANI ANNA
Published: January 2024

The need for the growth of housing construction is considered through the prism of increasing the affordability of housing for citizens, which is determined, in particular, by the development of preferential housing financing programs. Availability of housing is a primary socioeconomic task in the difficult conditions of martial law. State and local programs make it possible to purchase housing, creating additional demand for it on the part of the population of different income levels. The aim of the article is to systematize preferential programs within the state housing policy and analyze the capacity of the most significant mechanisms for their implementation, and to identify organizational forms of increasing housing affordability by applying a programmatic approach. The study was carried out on the basis of general scientific methods: generalization, analysis and systematization. To present the results of the study, statistical methods are used: groupings, comparisons, tables. The novelty of the study is in author s’ position on the issue and basic methods of application and implementation of the program approach to increase housing affordability for the population, in particular, an effective tool for attracting funds for the local investment projects – bonds of local development funds. The article systematizes the main goals, objectives, basic principles of preferential programs; the effectiveness of the most significant mechanisms for their implementation was studied, with the determination of urgent organizational forms of application of the program approach from the point of view of the availability of housing for the population. The banks’ participation in financing the construction of housing and other infrastructure facilities in the role of escrow agents that protect and defend the interests of future property owners was proposed. The importance of ensuring the availability of mortgage insurance in conditions of high war risks was indicated. In order to improve the situation with condominium lending, it would be important to strengthen the role of budget sources as a basic element of assistance, in order to encourage lower-level bud gets to increase their contribution to programs for providing housing to the population.
Фізики зазирнули… в приватне життя електронів
Authors: Вовк Руслан Володимирович , Пойда Володимир Павлович , Лимар Валентин Іванович
Published: January 2024

Цього року Нобелівську премію з фізики присуджено трьом дослідникам: П'єру Агостіні (Pierre Agostini) з Університету штату Огайо (США), Ференцу Краушу (Ferenc Krausz) з Інституту квантової оптики Макса Планка та Мюнхенського університету Людвіга Максиміліана (Німеччина), а також Енн Л'Юйє (Anne L’Huillier) з Лундського університету (Швеція) за «експериментальні методи, які генерують атосекундні імпульси світла для вивчення динаміки електронів у матерії». Лауреати виконали основоположні фізичні експерименти, спрямовані на отримання гранично коротких лазерних імпульсів, що привело до зародження нового наукового напряму — атосекундної фізики, метою якої є вивчення та розвиток методів вимірювання й контролю швидкоплинних явищ електронної динаміки в атомах речовини. З іншого боку, залишається актуальною більш технічна експериментальна проблема, пов’язана з генерацією окремих високоенергетичних атосекундних лазерних імпульсів, придатних для подальшого використання як джерела надшвидкої накачки досліджуваних зразків.
Вплив тривалого радіонуклідного забруднення на водні організми
Authors: Гудков Дмитро Ігорович
Published: January 2024

У доповіді наведено найважливіші результати фундаментальних та прикладних досліджень науковців Інституту гідробіології НАН України щодо вивчення особливостей поведінки радіонуклідів та їх фізико-хімічних форм в абіотичних і біотичних компонентах прісноводних екосистем, а також досліджень з оцінювання радіаційно-індукованих цитогенетичних і соматичних порушень у гідробіонтів внаслідок тривалої дії малих доз іонізуючого випромінювання.
Multivariable Regression 3D Failure Criteria for In-Situ Rock
Authors: Mahetaji Mohatsim , Brahma Jwngsar , Kumar Vij Rakesh
Published: January 2024

Wellbore stability problems increase with the exploration and development of oil and gas reservoirs. A new 3D non-linear failure criterion is proposed as a trigonometric function considering the intermediate principal stress (2)  on the triaxial compression test data. Mohr-Coulomb and Hoek-Brown are well-known failure criteria, but they do not consider the influence of (2) on rock strength. This new criterion produces a concave surface on the principal stress space (1,2, 3) with the influence of intermediate principal stress. In this study, sensitivity analysis for the variable is also done to understand the significant influence of parameters on the accuracy of the proposed criterion. Further validation of this non-linear criterion on three principal stresses (1,2, 3) was done compared with linear regression and second-degree polynomial regression results. It has been observed that the new non-linear 3D criterion with five material parameters reveals a good fit compared to linear regression and second-degree polynomial regression, which have four and six material parameters, respectively. The new non-linear criterion was further validated by comparison with existing criteria like the Priest, Drucker-Prager, and Mogi-Coulomb. It has been observed that the new 3D non-linear criterion shows a more accurate result than these existing criteria as certain rock types exhibit coefficient of determination (DC) values near one, precisely 0.95 for inada granite, 0.94 for orikabe monzonite, and 0.91 for KTB amphibolite. In contrast, other rock types have DC values ranging from 0.7 to 0.9. The new 3D non-linear criterion also yields lower root means square error (RMSE) values than the Mogi-Coulomb criterion for seven rock types. Specifically, the RMSE values by the new criterion are as follows: KTB amphibolite - 40.03 MPa, Dunham dolomite - 15.16 MPa, Shirahama sandstone - 9.08 MPa, Manazuru andesite - 22.14 MPa, Inada granite - 35.47 MPa, and Coconino sandstone - 19.047 MPa. This new 3D criterion gave precise predictions of the failure of the formation under in-situ stresses and was further helpful for the simulation of the wellbore in the petroleum industry. The variable in the new 3D criterion should be calculated from triaxial compression test data for each formation rock before applying this criterion to the wellbore stability problem and the sand production problem.
Mudanças sociais e espaciais em um bairro de classe média
Authors: Matos Lara de Assis Lívia , Teixeira de Andrade Luciana
Published: January 2024

Este artigo tem como objetivo analisar as mudanças nas dinâmicas residenciais e comerciais de um bairro da Zona Sul de Belo Horizonte. Utilizando o cadastro do Imposto sobre a Propriedade Predial e Territorial Urbana e o cadastro do Imposto sobre a Transmissão de Bens Imóveis, foi possível, não apenas identificar e mapear os novos imóveis residenciais e comerciais construídos no bairro na última década, mas esboçar o perfil de seus novos moradores e consumidores. Leva-se em conta o conceito de gentrificação enquanto um processo de substituição de uma classe social com status inferior por outra com status superior, para examinar os resultados encontrados. Os dados apontam para um processo de mudança física, marcada pela maior oferta de edifícios com alto padrão de acabamento e alto valor, voltados para um grupo social com status superior ao dos antigos moradores. Tais mudanças têm como principal ator o mercado imobiliário.
Pesticides used in tobacco (Nicotiana tabacum) cultivation in Cuba: toxicological and ecotoxicological pressure
Authors: López Dávila Edelbis
Published: January 2024

Introduction. Pesticides are used to control pests and diseases in agricultural activities. Improper handling of these products constitutes a potential risk to human health and the environment. Objective. To evaluate the toxicological (eco) pressure exerted by synthetic pesticides on tobacco (Nicotiana tabacum) crops in the province of Sancti Spíritus, Cuba. Materials and methods. A database of the Provincial Directorate of Plant Health for the period 2016-2019 was used, where the pesticides assigned to the province for this crop were taken and compared with those declared by the farmers interviewed. The dual indicator POCER was used to obtain the results, which determined the pressure exerted by the different pesticides and their harmful reference on humans and the environment. Results. The trend in pesticide consumption (summarized in tables and graphs) showed a decrease of 50 %, which corresponds to the country's crop protection policy. Farmers mentioned the use of authorised and unauthorized active ingredients in the surveys carried out. Sixteen high-risk active ingredients were detected in the samples analyzed. Evaluation of the POCER results and analyzed samples shows that there is a high (eco)toxicological pressure on both the environment and human health exerted by a group of highly toxic active ingredients used in tobacco cultivation in the province. Conclusion. With the use of the dual indicator POCER, an evaluation of the toxicological (eco) pressure exerted by the synthetic pesticides used in the cultivation of tobacco (Nicotiana tabacum) in the province of Sancti Spiritus, Cuba for the study period is obtained.
Capacidad de resiliencia del agroecosistema café en Tezonapa, Veracruz, México
Authors: Quiroz Guerrero Ismael , Pérez-Vázquez Arturo , Landeros Sánchez Cesáreo , Gallardo López Felipe , Velasco Velasco Joel , Benítez Badillo Griselda
Published: January 2024

Introducción. El agroecosistema de café presenta gran importancia ambiental, social y económica en regiones subtropicales de México, pero también es vulnerable a eventos inesperados de crisis como el cambio climático. En la historia reciente, se ha documentado que el agroecosistema de café presenta un proceso constante de autoorganización basada en la adaptación y el aprendizaje ante los diversos escenarios adversos. Objetivo. Determinar la capacidad de resiliencia del agroecosistema cafetalero en la región centro del estado de Veracruz. Materiales y métodos. La investigación se realizó de diciembre de 2017 a noviembre de 2018 en Tezonapa, Veracruz, México. Se realizaron 52 entrevistas a caficultores para medir el índice de resiliencia, integrado por 30 variables correspondientes a siete factores (social, económico, tecnológico, infraestructura, comunicaciones, institucional y ambiental). Estos factores fueron normalizados por el método de escalamiento mínimo-máximo La resiliencia se estimó en una escala de 0-1, donde valores cercanos a cero representan baja capacidad de resiliencia y cercanos a uno, alta resiliencia. Los datos fueron analizados mediante estadística descriptiva y pruebas de Kruskal-Wallis y chi-cuadrada Resultados. Se encontraron diferencias estadísticamente significativas (p<0,5) para los indicadores de las dimensiones económica (0,06) y tecnológica (0,22), con la menor contribución a la resiliencia. Por el contrario, las dimensiones sociales (0,78) y ambiental (0,74) tuvieron mayor contribución a la capacidad de resiliencia, determinado por el gradiente altitudinal. Conclusiones. Los indicadores con el mayor aporte a la capacidad de resiliencia del agroecosistema de café fueron los de dimensiones social y ambiental, y con bajo aporte las dimensiones económica y tecnológica.
Percepción de agricultores sobre el manejo de enfermedades fúngicas de la soja (Glycine max x (L.) Merr.) en Paraguay
Authors: Caballero-Mairesse Gabriela Giuliana , Mendes Flávio Henrique , Arrua Andrea Alejandra , Lopez-Nicora Horacio Daniel , Enciso-Maldonado Guillermo Andrés
Published: January 2024

Introducción. Paraguay es el sexto productor y tercer exportador mundial de soja (Glycine max x (L.) Merr.), este cultivo es el de mayor importancia socioeconómica en el país. Sin embargo, su productividad puede verse afectada por enfermedades causadas por hongos fitopatógenos. Además, la información fitosanitaria sobre el cultivo de soja en Paraguay es limitada. Objetivo. Comprender la percepción de agricultores sobre las principales enfermedades de la soja y su manejo. Materiales y Métodos. Entre abril y mayo de 2022, se aplicó un cuestionario en formato de Google Forrms con preguntas abiertas y cerradas de selección múltiple a 45 productores de soja de entre 30 y 50 años, quienes cultivan en superficies de entre 200 y 1000 ha en los departamentos de Alto Paraná, Itapúa y Caaguazú en Paraguay. Resultados. El 56 % de los encuestados consideró que el mayor problema fitosanitario asociado al cultivo es la roya asiática de la soja [RAS] (Phakopsora pachyrhizi), seguida por las enfermedades de final de ciclo [EFC], como la mancha marrón (Septoria glycines) y mancha ojo de rana (Cercospora kikuchii). Los entrevistados indicaron que utilizan de tres a cuatro aplicaciones de fungicidas como medida de control de enfermedades, su elección fue basada en el tipo de formulación de los productos. En su mayoría, los entrevistados señalaron que el costo y la cantidad de aplicaciones aumentó con el transcurso del tiempo. El 53 % mencionó que los fungicidas biológicos son una buena alternativa para el manejo integrado de enfermedades. Conclusión. Las respuestas obtenidas en esta investigación permitieron obtener la percepción de las tácticas de manejo de enfermedades de los productores de soja en Paraguay, lo que resaltó la importancia de la RAS y las EFC. No obstante, resulta necesario que se realicen más investigaciones que puedan explorar todos los aspectos del manejo de los patógenos.
Mucuna pruriens peletizada y Trichoderma harzianum aplicados en tomate (Solanum lycopersicum L.) como enmienda y biocontrolador
Authors: Martínez-Alfaro Arnaldo , Zuñiga-Orozco Andrés
Published: January 2024

Introducción. En agricultura orgánica, se utilizan abonos verdes y biocontroladores como métodos de fertilización y control de plagas. Sin embargo, la aplicación independiente de estos incrementa los costos de producción. Se propone una presentación peletizada que permita aplicar ambos insumos de forma conjunta. Objetivo. Evaluar el efecto de Mucuna pruriens L. peletizada e inoculada con Trichoderma harzianum Rifai en el aporte nutricional, el rendimiento agrícola y la regulación de Fusarium oxysporum f. sp. lycopersici en tomate (Solanum lycopersicum L.). Materiales y métodos. El experimento se ejecutó durante el año 2022 en Tablón del Guarco, Cartago (Costa Rica), con un diseño experimental de bloques completos al azar con siete tratamientos y siete réplicas. Se aplicaron dos formulaciones (A y B) de biopélet (M. pruriens + zeolita + T. harzianum) en tres dosificaciones (15, 30, 50 g/planta). La adición de T. harzianum se efectuó a razón de 5 g por cada kilo de biopélet. Cada 15 días se realizaron aplicaciones de cada tratamiento para un total de ocho. Al momento de la siembra se inoculó F. oxysporum (100 mL/planta con una concentración de 1 x 103 UFC). Resultados. Con la aplicación del biopélet se alcanzó un rendimiento y peso de frutos de primera calidad similar al testigo comercial. En frutos de segunda y tercera calidad, no hubo diferencias significativas entre tratamientos. La eficiencia técnica en control de F. oxysporum alcanzó el 97,6 % con biopélet. Esta enmienda aumentó los niveles de C, N y M.O en el suelo y afectó el contenido nutricional del follaje de las plantas en los primeros 60 dds. Conclusiones. El biopélet tiene la capacidad de realizar aportes químicos y orgánicos al suelo, por lo cual mejora la nutrición del cultivo del tomate. Algunas dosificaciones tuvieron un rendimiento similar al testigo comercial. Es una alternativa de biocontrol contra F. oxysporum y compatible con T. harzianum. Se debe profundizar en la dosificación y composición de esta enmienda para la sustitución parcial o total de la fertilización química en el cultivo.
Actividad biológica de maíz (Zea mays) de color mejorado cultivado en el sur de sonora
Authors: Cadena Cadena Francisco , Arias Moscoso Joe Luis , Rodríguez Pérez Gilberto , García Ramírez Alejandro , Meza Ochoa Alba Roció , Cuevas Acuña Dulce A.
Published: January 2024

Introducción. En México, el 85 % de las siembras son maíces blancos, el 10 % amarillo blanco y el 5 % de otros colores. Hay estudios bioquímicos de maíces nativos pigmentados, pero poca información en maíces mejorados en color. Objetivo. Evaluar el contenido de fitoquimicos y capacidad antimicrobiana de dos híbridos de maíz pigmentado cultivados en el Tecnológico Nacional de México-Valle del Yaqui. Materiales y métodos. En los híbridos de maíz de color rojo y de color morado se realizó la extracción de biocompuestos a partir de una porción del maíz cultivado en el sur de Sonora, México, durante el ciclo verano-invierno 2020. Se utilizó una solución de etanol, ácido acético y agua en una proporción de treinta partes. La composición proximal, contenido de antocianinas, polifenoles y flavonoides se determinaron mediante métodos estandarizados. La capacidad antioxidante se evaluó mediante las metodologías ABTS (2,2'–azino–bis–(3–ethylbenzothiazoline–6–sulphonic acid)) y DPPH (2,2-difenil-1-picrilhidracilo). Además, se determinó la capacidad antimicrobiana y la concentración mínima inhibitoria. Resultados. El maíz morado presentó mayor contenido de antocianinas (340,98±5,21 mg/100 g) y polifenoles (173,68±24,23 mg de ácido gálico/100 g), en comparación con el maíz rojo. Los flavonoides son más abundantes en el maíz morado (575,10±27,88 mg de quercetina/100 g). Ambos híbridos de maíz exhibieron una capacidad antioxidante superior al 50 % frente a los radicales ABTS y DPPH. Respecto a la actividad antimicrobiana, se observó mayor inhibición para Escherichia coli y Salmonella (18 % y 47 %), y menor para Staphylococcus aureus y Shigella (19 % y 34 %) en comparación con la gentamicina. Conclusión. El maíz morado mostró mayor contenido de antocianinas, polifenoles y flavonoides. Ambos híbridos tuvieron mas del 50 % de capacidad antioxidante. La actividad antimicrobiana fue mayor contra E. coli y Salmonella, pero menor contra S. aureus y Shigella.
Design em tempos de consumo de música por streaming
Authors: Rosa de Medeiros Franciane , Lopes Damasceno Profª. Drª. Patricia , De Araujo Neves (orientadora) Profª. Drª. Helena
Published: January 2024

Este artigo é um recorte de uma pesquisa que propôs o desenvolvimento de um projeto de design fictício para o músico Vitor Ramil, considerando as particularidades do meio digital na contemporaneidade. O estudo, que se utilizou de revisão bibliográfica e pesquisa documental, surgiu com o propósito de investigar a atuação do designer no segmento musical na era do streaming. Neste artigo será apresentado o conceito visual desenvolvido como resultado prático da referida pesquisa — elaborado a partir de uma metodologia adaptada pautada nas três principais fases do processo de design que, segundo Ellen Lupton (2013), são: definição de problemas, geração de ideias e criação da forma.
Enhancing Public Services in the West Java Provincial Government: Unraveling Challenges, Defining Essence, and Proposing Solutions
Authors: Engkus Engkus
Published: January 2024

Public service is the linchpin of good governance, profoundly impacting community quality of life. This research delves into the redefinition of public service within the West Java Provincial Government, scrutinizing its essence and confronting primary challenges to effective service delivery. Amidst hurdles like intricate bureaucracy, deficient inter-agency coordination, and incongruent service standards, understanding these issues is imperative for a nuanced comprehension of public service. The research objective is to meticulously explore and redefine the core of effective public service at the West Java Provincial Government level, establishing a foundation for comprehending factors influencing service quality. Employing a qualitative approach encompassing in-depth interviews, observations, and document analysis, the study aims to gain profound insights into perceptions, experiences, and practices related to public service at the provincial government level. The findings pinpoint key aspects contributing to a comprehensive definition of public service. Recommendations derived from these findings propose initiatives to augment inter-agency coordination, streamline bureaucratic processes, and enhance consistency in service standards, thereby bolstering the efficacy of public service in the West Java Provincial Government. This research aspires to significantly contribute to fortifying the understanding and implementation of more effective, sustainable, and responsive public services to cater to the community's needs within the West Java Provincial Government area.
Sociological Perspectives on Urban Gentrification and Its Societal Implications
Authors: Alia Siti , Maulana Rio Yusri
Published: January 2024

This paper provides a sociological perspective on urban gentrification and its societal implications, employing a research method that primarily involves an extensive literature study. Gentrification, characterized by the influx of more affluent residents into previously disadvantaged urban neighborhoods, is a multifaceted phenomenon with significant social, economic, and cultural consequences. Drawing on sociological theories and empirical research from existing literature, the study examines the drivers and consequences of gentrification, exploring issues such as housing affordability, displacement, social demographics, and the dynamics of urban change. It also considers how gentrification both perpetuates and alleviates social inequalities, emphasizing the importance of inclusive urban development policies and community-based initiatives to address the challenges and opportunities that gentrification presents in contemporary cities.
Bridging Cultural Diversity Gaps at Luhonono Police Station: Police Leadership Role
Authors: Mabuku Kennedy Kaumba
Published: January 2024

This study investigates the pivotal role of police leadership in mitigating cultural diversity gaps within the Luhonono Police Station, utilizing an exploratory qualitative approach. The study's sample comprises four police leaders with station experience and five non-management police officers. Data collection involves individual semi-structured interviews, recorded to aid data interpretation, with thematic analysis employed for data analysis. The findings underscore the significance of effective police leadership in improving relationships, minimizing turnover, ensuring fairness in decision-making, enhancing performance, and motivating the police force. The study recommends that the selection of police leaders should prioritize their commitment to embracing cultural diversity. Furthermore, it advocates for the development of policies supporting cultural diversity, provision of training, and promotion of awareness among the team to foster an inclusive and respectful workplace. The study argues that, although police leaders play a pivotal role in addressing cultural diversity, their effectiveness is impeded without standardized institutional policies or strategies to manage such issues.
Effect of Management Change, Company Size, and Audit Opinion on Auditor Switching
Authors: Nuraulia Rahmadhani Diea
Published: January 2024

This study aims to analyze the influence of management change, company size, and audit opinion on auditor switching. Using dummy variables for management change and audit opinion, and log total assets to measure company size, the research was conducted with purposive sampling, selecting 15 companies from the transportation sub-sector listed on the BEI between 2018 and 2021. Logistic regression was used for data analysis. The results indicate that management change, company size, and audit opinion do not significantly affect auditor switching. The findings offer valuable insights for investors and shareholders, emphasizing the importance of carefully examining financial reports, particularly audit results, to make informed investment decisions. For companies, the study highlights the need for meticulous decision-making when considering auditor switching. Additionally, for auditors, the research underscores the importance of maintaining independence by avoiding overly long-term relationships with clients. Future research could explore other variables and expand the sample size. Nonetheless, this study contributes valuable information to the field of auditor switching and its implications on various stakeholders
The Use of Electronic Money as a Transaction System in Indonesia
Authors: Abidin Rachmat , Dewi Sofia , Asmalasari Ai Siti , Syawali Fikri Ikhsan , Hidayat Hilmi Sirojuddin
Published: January 2024

Advancements in technology during the 4.0 era promise significant benefits for human civilization. This study focuses on the technological evolution of digital payment methods, specifically electronic money (e-money), in Indonesia's digital economy landscape. E-money, utilizing electronic devices like chips or servers, serves as a cashless payment alternative, contributing to a notable decline in cash usage. The proliferation of e-money is evident in Indonesia, driven by startups and competition among key players like Gojek, OVO, and Shopee. The research employs qualitative methods, including a descriptive approach and literature survey, drawing insights from various sources such as books, journals, and prior research. While the adoption of e-money has surged, particularly for its convenience, security, and speed in digital transactions, challenges persist in remote parts of Indonesia where cash remains prevalent. Recognizing this, Bank Indonesia collaborates with institutions to promote non-cash transactions, striving towards a cashless society.