MétaCan
Menu
Back to cohort
Record W3037515648

A biografia de Rutherford e sua contribuição à Física Moderna

2019· article· pt· W3037515648 on OpenAlexaboutno aff
Maysa Fernanda Schwantes, Milena Carvalho de Moraes, Fernanda Kriese Dalepiane, Andriélen Prass Elicker, Mailing Berwanger

Bibliographic record

Venuenot available
Typearticle
Languagept
FieldSocial Sciences
TopicChemistry Education and Research
Canadian institutionsnot available
Fundersnot available
KeywordsHumanitiesPhysicsPhilosophy
DOInot available

Abstract

fetched live from OpenAlex

Advindos de um mundo contemporâneo e tecnologico, torna-se instigante estudarmos e ficarmos atentos sobre as inovacoes na Fisica Moderna e, consequentemente, os estudiosos que participaram disso. O objetivo do trabalho e revelar um pouco da biografia do fisico e quimico neozelandes Ernest Rutherford, que viveu do ano de 1871 a 1937 e deixou grande contribuicao para a fisica, suas descobertas influenciaram diretamente nas pesquisas posteriores e no nosso modo de ver o mundo hoje. Rutherford fez historia na ciencia tendo realizado pesquisas sobre o movimento das particulas dos atomos eletricamente carregados: os ions. O fisico-quimico tambem estudou as radiacoes emitidas pelo elemento quimico radio (Z=88) que havia sido descoberto a pouco pelo casal Marie e Pierre Curie. No Canada, ele pesquisou particulas de urânio (Z=92) as quais chamou de raios alfa e raios beta e tiveram grande importância para mais descobertas sobre a radioatividade. Esses raios foram classificados devido a intensidade de radiacao emitida, se era bloqueada ou penetrada em uma folha de metal de determinada espessura. Ja na Inglaterra, Rutherford explicou que os raios alfas eram um fluxo de atomos de helio congregados positivamente, verdade nao contestada ate os dias atuais e que o trouxe o premio Nobel de Quimica em 1908. Em decorrencia de seus experimentos concluiu que o atomo possui um nucleo que concentra toda sua parte positiva nesse volume extremamente pequeno e, que os eletrons estao localizados em torno desse nucleo. Essa descoberta serviu como impulso as pesquisas de Niel Bohr que agregaram a ciencia anos apos. Ernest Rutherford teve diversas honras por suas contribuicoes, entre elas a “Ordem do Merito”, em 1935, o titulo de “Baron Rutherford de Nelson”, em 1931 e o titulo de “Lord”, em 1937. Rutherford marcou a historia por ter sido um cientista indispensavel a evolucao da ciencia e reflete diretamente na vida de todos nos

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.002
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesScience and technology studies
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.997
Threshold uncertainty score0.051

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0020.003
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0020.002
Science and technology studies0.0030.013
Scholarly communication0.0040.005
Open science0.0010.002
Research integrity0.0020.002
Insufficient payload (model declined to judge)0.0110.002

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.042
GPT teacher head0.392
Teacher spread0.350 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

Study designNot applicable
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2019
Admission routes1
Has abstractyes

Explore more

Same topicChemistry Education and ResearchFrench-language works237,207