Prática de Shadowing: What is IMC (Intermetallic Compounds) part II? The different between IMC, alloy, eutectic - Aprenda a falar inglês com vídeo
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Hello everyone, today I would like to delve what is IMC again.
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The Intermetallic Compounds Part 2 Please note that this presentation is a personal sharing,
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and the content might not be 100% accurate.
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For more information, you can visit website of mpe.researchmfg.com So,
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what is IMC, alloy and eutectic?
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What are the difference between them?
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Alloy is a term we encounter often in PCB manufacturing.
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For instance, SAC305 is an alloy comprising 96.5% tin,
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3% silver, and 0.5% copper.
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But does IMC also fall under the category of an alloy?
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In myopian, IMC isn't truly an alloy.
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Neither is it classified as a eutectic.
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Furthermore, IMC isn't a pure metal element due to its distinct physical and chemical characteristics that differ from traditional alloys and eutectics.
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Interestingly, IMC is often grouped as an alloy, sparking the question of why this classification is used.
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To distinguish between IMC, alloys, and eutectics, let's employ an analogy.
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Imagine boys and girls as different metal elements.
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Alloys are like mixing boys and girls in the same classroom where they coexist evenly.
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When the boys and girls share an affinity and form eutectic points,
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it's referred to as eutectic.
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On the other hand, IMC is akin to a child born from the union of these boys and girls.
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IMC emerges from a chemical reaction.
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Please note that while this metaphor may not be perfectly precise, it's a concept and a way to understand the subject better.
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This comparison is purely illustrative, but it helps to highlight the distinctions between IMC, alloys, and eutectics.
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Moving forward, we'll continue exploring this subject in more detail.
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Thank you for joining me for this second video on IMC.
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In our next session, I'll provide a more comprehensive introduction to alloys and eutectics.
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Until next time, take care and goodbye.
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Thank you.
📺 Mesmo canal
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Vocabulário e dicas de fala para esta lição
Este vídeo tem 28 frases e 300 palavras para praticar shadowing. A fala dura 3:10. O falante fala devagar, cerca de 95 palavras por minuto, o que dá tempo para imitar cada som. Apenas 71% das palavras estão entre as 3.000 mais comuns do inglês, por isso o vocabulário é exigente.
Vocabulário principal deste vídeo
15 palavras menos comuns do vídeo, com pronúncia e significado:
- alloy /ˈæ.lɔɪ/ (substantivo) — liga. A metal that is a combination of two or more elements, at least one of which is a metal, a base metal.
- element /ˈɛləmənt/ (substantivo) — fundamento. One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based.
- refer /ɹɪˈfɜː/ (verbo) — encaminhar. To direct the attention of (someone toward something).
- comprehensive /ˌkɑm.pɹəˈhɛn.sɪv/ (adjetivo) — abrangente. Broadly or completely covering; including a large proportion of something.
- explore /ɪkˈsploɹ/ (verbo) — explorar. To examine or investigate something systematically.
- goodbye /ɡʊdˈbaɪ/ — adeus, até-logo. Farewell; a formula used to another person or persons when the speaker, writer, or person addressed is departing.
- distinct /dɪˈstɪŋkt/ (adjetivo) — distinto. Capable of being perceived very clearly.
- copper /ˈkɒpə/ (substantivo) — cobre. A reddish-brown metallic chemical element (symbol Cu) with the atomic number 29; also, the metal made up of this element.
- encounter /ɪnˈkaʊntɚ/ (verbo) — encontrar, deparar-se com. To meet (someone) or find (something), especially unexpectedly.
- furthermore /ˈfɜː(ɹ).ðə(ɹ)ˌmɔː(ɹ)/ (advérbio) — além disso. In addition; besides; further; what's more (i.e. to denote additional information).
- highlight /ˈhaɪˌlaɪt/ (verbo) — realçar, enfatizar. To make prominent; emphasize.
- classification /ˌklæsɪfɪˈkeɪʃən/ (substantivo) — classificação. The act of forming into a class or classes; a distribution into groups, as classes, orders, families, etc., according to some common relations or attributes.
- classroom /ˈklɑːsɹʊm/ (substantivo) — sala de aula. A room, often in a school, where classes take place.
- precise /pɹɪˈsaɪs/ (adjetivo) — preciso. Both exact and accurate.
- distinction /dɪˈstɪŋkʃən/ (substantivo) — distinção. That which distinguishes; a single occurrence of a determining factor or feature, the fact of being divided; separation, discrimination.
Phrasal verbs que você vai ouvir
- move forward (verbo) — adiantar. To cause to make progress.
Pronúncia para ficar de olho
O falante usa 4 contrações e formas reduzidas, como isn't, I'll, we'll. Diga-as na forma curta, do jeito que você ouve.
- Os sons de “sh” e “zh”: presentation /ˌpɹɛzn̩ˈteɪʃn̩/, classification /ˌklæsɪfɪˈkeɪʃən/, distinction /dɪˈstɪŋkʃən/, distinguish /dɪˈstɪŋ.ɡwɪʃ/
- Palavras longas — acerte a sílaba tônica: comprehensive /ˌkɑm.pɹəˈhɛn.sɪv/, classification /ˌklæsɪfɪˈkeɪʃən/, characteristic /ˌkæɹ(ə)ktəˈɹɪstɪk/, analogy /əˈnæləd͡ʒi/, affinity /əˈfɪnɪti/
Como praticar com este vídeo
- Ouça o vídeo inteiro uma vez sem falar e anote as palavras que você não conhece.
- Faça shadowing frase por frase na velocidade normal, repetindo cada uma até o seu ritmo ficar igual ao do falante.
- Grave a sua voz e compare com o original, prestando atenção a palavras como alloy, element, refer.
O que é a Técnica de Shadowing?
Shadowing é uma técnica de aprendizado de idiomas com base científica, originalmente desenvolvida para o treinamento de intérpretes profissionais. O método é simples, mas poderoso: você ouve áudio em inglês nativo e repete imediatamente em voz alta — como uma sombra seguindo o falante com 1-2 segundos de atraso. Pesquisas mostram melhora significativa na precisão da pronúncia, entonação, ritmo, sons conectados, compreensão auditiva e fluência na fala.