シャドーイング練習: GC FID Operational Tutorial - 動画で英語スピーキングを学ぶ

So to use the GC, we're going to click Huser, and then look at this icon right here called GC Solution.

That's the one we're going to use, but first we have to turn on these gas canisters first.

The first one is the air, then the nitrogen.

Finally, it will turn on the hydrogen.

Next, Adam's going to turn on the instrument with a button located on the side.

As you can see, all three lights are green.

Next, we're going to open the software.

We'll click this little icon here.

It looks like the instrument and it's under the one.

We'll just click OK.

That's fine.

Click top and we'll go to instrument parameters and then click system on.

It says download the instrument parameters.

We'll click OK.

At this point the instrument will try to heat up and ignite, all you have to do is wait.

So your first step is going to be to go to instrument parameters, and you can go file,

new method file, and that sets up a new method file.

So then what we're going to do is we're going to go to the column

this is the column that's in there you don't need to change anything there

so that's fine that's okay you can set the temperature of your detector usually

we keep ours at 200 degrees Celsius so we'll leave

that there this is where you determine your column

and it's right here so it starts off at 25 degrees

and you can hold it at 25 degrees for let's say one minute

and hit enter and then we want it to heat up to 50 degrees

so we type in 50 as you can see there

and then this is the rate per minute that is going to increase

so let's say we want to go up five degrees every minute

it's going to stay at 25 degrees for one minute

and then go from 25 to 50 over a course of five minutes

which is how we get our total program runtime of six minutes once

you've set all these parameters to the way you want it.

The start temperature is going to be 25 degrees.

You just click this download button and it's going to download that method to the instrument.

Next we're going to show you how to run a sample, so you go fast processing,

batch table wizard, load method file, you select the method file you just created and saved,

I didn't you how to save it click next standard unknown

we want standard only click next we're going to go ahead

and click under standard sample file is going to be zero

because we're doing manual injection next this is really where you can do whatever you want you can name the file

so we'll name this one test and then for report format file we're going to go to

and then we'll click sample and then we'll scroll over to method symbol

and that's going to be our report file format

and then we'll click finish and now we're ready to go

so what we're going to do is we're going to hit start save current batch file we do you type

Open the same name as earlier, save, yes, save, okay.

And with our sample, we're going to inject it in the injector, show right here.

So we put it in, and then we're going to put in one microliter.

Alright, once it's in there, we're going to click start on here, and then we immediately have to go to injector and change the temperature.

You should go to set.

This is why you can't do it, set line config, and then we're going to go to line 1 and click enter, and then click return.

And now your sample is running.

After the experiment is completed, it will come up to a file like this,

and so what you can see here is where we have our chromatograph,

we have acetone, ethanol, butanol, three peaks.

To use this data, our first step is going to be to go to data analysis,

manual peak integration, and then we're going to remove all the peaks.

So you click here, and you click here, from here to here, and it removes all the peaks.

Then we're going to insert peaks, so we can go from here to here.

And then we'll insert another peak from here to here.

And then we'll insert a third peak from here to here.

And so those are our three integration values.

And then you go report in data, and it sends you a thing like this.

Next, we're going to insert a table right here and click OK head, and what you can see here,

I don't know if you guys can see it, let me try and zoom in,

there you go, can you guys see that,

so the table we just inserted, we have our three peaks, one, two, three, and we have the area and the retention time shown,

this is the integration area and you can use this to compare them so then we go back

and so we know peak one peak two and peak three

all right to shut down the instrument all you do is you go to this is the report file

so we don't need that

you go to instrument parameters there you go system off that's going to shut down the software

so you can just hit X.

You want to save your method file now you just hit X there

and start log off and then to shut the instrument all you have to do is click the button and then

So make sure you close the tanks.

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このレッスンの語彙とスピーキングのポイント

このスピーキングレッスンは、動画「GC FID Operational Tutorial」を教材にしています。繰り返し出てくる語は次のとおりです：click, file, peak, instrument, degrees。この動画には、シャドーイング用の文が76文、単語が953語あります。音声の長さは7:12です。話す速さは1分あたり約132語で安定しており、シャドーイングしやすいペースです。単語の91%は英語の頻出3,000語に含まれるため、語彙は分かりやすいです。

この動画の重要語彙

動画に出てくる覚えておきたい単語15語を、発音と意味つきで紹介します。

単語	発音	意味
instrument 名詞	/ˈɪnstɹəmənt/	計器
insert 動詞	/ɪnˈsɝt/	差し込む, 挟み込む
parameter 名詞	/pəˈɹæm.ə.tɚ/	媒介変数, パラメーター
column 名詞	/ˈkɒləm/	柱
integration 名詞	/ˌɪn.tɪˈɡɹeɪ.ʃən/	統合, 融合
format 名詞	/ˈfɔːɹ.mæt/	書式, フォーマット
manual 名詞	/ˈmæn.j(u)əl/	手引き, 説明書
icon 名詞	/ˈaɪ.kɑn/	聖像, イコン
batch 名詞	/bæt͡ʃ/	ひと焼き分
compare 動詞	/kəmˈpɛɚ/	比べる, 比較する
select 動詞	/sɪˈlɛkt/	選ぶ
experiment 名詞	/ɪkˈspɛɹ.ə.mənt/	実験
symbol 名詞	/ˈsɪmbəl/	記号, 符号
injection 名詞	/ɪnˈd͡ʒɛk.ʃən/	注射
hydrogen 名詞	/ˈhaɪdɹəd͡ʒ(ə)n/	水素

動画に出てくる句動詞

単語	発音	意味
shut down 動詞		シャットダウン
go ahead 動詞	/ˌɡoʊ əˈhɛd/	どうぞお先に
go back 動詞		戻る, 帰る
go up 動詞		上がる, 登る

注意したい発音

話し手はwe're, we'll, don'tなど、短縮形や弱形を36回使っています。聞こえたとおりの短い形で発音しましょう。

「sh」と「zh」の音: integration /ˌɪn.tɪˈɡɹeɪ.ʃən/, injection /ɪnˈd͡ʒɛk.ʃən/, retention /ɹɪˈtɛnʃən/
長い単語（アクセントの位置に注意）: parameter /pəˈɹæm.ə.tɚ/, integration /ˌɪn.tɪˈɡɹeɪ.ʃən/, experiment /ɪkˈspɛɹ.ə.mənt/, chromatograph /kɹoʊˈmæ.toʊˌɡɹæf/

日本語話者が苦手な音：

/f/ — 「フ」ではなく、上の歯と下唇で出す: format /ˈfɔːɹ.mæt/, chromatograph /kɹoʊˈmæ.toʊˌɡɹæf/, config /ˌkənˈfɪɡ/
子音の連続 — 間に母音を入れない: instrument /ˈɪnstɹəmənt/, select /sɪˈlɛkt/, experiment /ɪkˈspɛɹ.ə.mənt/, scroll /skɹoʊl/, chromatograph /kɹoʊˈmæ.toʊˌɡɹæf/

この動画での練習方法

まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
通常の速度で一文ずつシャドーイングし、話し手のリズムに合うまで繰り返します。
自分の声を録音して元の音声と比べます。instrument, insert, parameterなどの単語に特に注意しましょう。

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。

シャドーイングのやり方: ステップ別の完全ガイドを読む →

シャドーイング練習: GC FID Operational Tutorial - 動画で英語スピーキングを学ぶ

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