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English Senior High

分かる方教えてください!

What is the passage My first date with my girlfriend was a movie. I think we went to a movie called "Jackie" but to be honest, I am not entirely sure. There wasa very old and very cheap movie theater in the town that we both went to mainly about? A. Will's horrible first university in. I/ went to this movie theater with other girls sol am not sure why I stayed with my girlfriend for so long. The movie wasn't even very good. Nevertheless, we held hands in the movie and we are very happy together today. Something about that movie must have been the reason we are still together. I guess you should take your future partner to a cheap movie and you can be happy just like I am! date. B. Will's old girlfriends. - C.Will's advice based off of experience. |D.A bad movie. Wheneverl go to a restaurant in Japan, I always say, "おすすめは何ですか"./ can't read Japanese so I never mainly about? can understand what the menu says. My strategy usually works very well. I usually get the most delicious food at the restaurant and l don't have to worry about choosing what I want to eat. However, there was one time that my plan did not work. I was in a very small town which was close to Wakkanai. My girlfriend and I were very hungry and we saw a ramen restaurant where we could eat lunch. We went into the restaurant What is the passage A. Will's best food in Japan. B. Will's plan at restaurants in Japan. C.Will's love of sea snails. and l asked for the recommendation and the waitress said something in Japanese I couldn't understand. Without thinking, I said "はい". When my food arrived, I was very disappointed. I had said yes to miso ramen with sea snails in it. I love Japanese food, but I hate sea snails. My strategy did not work so well that day. D. Will's vacation to Wakkanai.

Waiting Answers: 1
English Senior High

大問1 7はなぜ、intoでなく inなのてすか?

Exercises 1( )内から適切な前置詞を選びなさい。総合 ロ1 She was born ( at / in) Tokyo ( at /in) 2000. ロ2. Let's meet ( at / on ) the station ( at / in ) seven o’clock. 3. Igo to church ( in / on ) Sunday morning. 4. The game will be held ( in/ on ) the stadium ( in/ on ) June 15. 5. The exam begins ( at / from ) nine and ends ( at / to ) eleven. 6. What are you looking ( to / for )? Your glasses are ( in / on ) the shelf. 7. The puppy was ( in / into ) the box and jumped ( into / out of ) it. 8. He is trying to swim ( across / over ) the channel and is halfway done. 9. The subway runs ( over / under ) this street. 10. The plane is flying ( above / below ) the Pacific Ocean. 2[ ]内の日本語に合うように, 下線部に適切な語句を補いなさい。 総合 口 1. The ball flew the fence. [塀の上を] 口 2. A lot of planes land the runway. [滑走路に] 3. I passed the traffic jam on my bike. [渋滞を通り抜けて] 4. The whale dived sight. [見えない所へ] 5. New houses are being built the railway line. [沿線に] 6. Unfortunately, my score was average. [平均以下] 7. Japan hasa lot of rain early summer. [初夏に] 8. Technology will make huge advances years. [10年後に] 9. He has been jogging hour. [1時間] 10. The shop is open Saturday. [月曜から土曜まで] 3 英作力を磨く 次の日本語を英語に直しなさい。総合 1. 母は夕方, 犬の散歩に行く。 2. 正午に東京に向けて大阪を出発します。 3. 彼の家族はその災害を生き抜いた。

Solved Answers: 1
Physics Undergraduate

流体力学の最初の最初、ラグランジュ微分のところでつまづいて困っております。 二枚目の?をつけた計算過程はどのような微分なのでしょうか? よろしくお願いします。

の1 流れの運動学 8 1 = (u.V)u U のようにして得られた. 記号▽はナブラ (nabla) とよみ 0 鶏分(1.14) 0 マ= e』 + ey Oy 0z のように定義される演算子 (operator) であるす. ea, ey. Ez はそれぞれ』軸, 軸,2軸の正の向きに向かう単位ベクトル (unit vector) で, これらを基本ベク トル (fundamental unit vector)という。 式(1.12) の両辺を At でわって, At →0 の極限をとると,流体粒子の受け る加速度a(z,t) を求めることができ に Au a(x, t) = lim + (u-V) u(z, t) At→0 At Ot D -u(x,t) Dt となる.ただし D +u.V Ot Dt で,D/Dt をラグランジュ微分 (Lagrangian derivative),あるいは実質微 分(substantial derivative), あるいは物質微分 (material derivative) という。 Du/Dt= Ou/0t+ (u.V)uの右辺第1項は, 流体中のある点aをつぎつぎと 通過する流体粒子の速度の時間的変化の割合を表しており,局所加速度 (local acceleration) とよばれている. また第2項は,点cにある流体粒子がある瞬間 にその前後の流体粒子の速度差のために受ける速度の時間的変化割合で対流加 速度 (convective acceleration) とよばれている。 ラグランジュ微分 D/Dtは, オイラーの方法の意味で »とtの関数として表 された量,すなわち 「場の量」に対してのみ作用させることができる. なぜな ら,その定義式(1.16) の右辺は, 独立変数を αとtとするときの偏微分0/0tと ▽によって構成されているからである. aとtの任意関数 f(z,t) のラグラン ジュ微分は,式(1.15) を導いた過程から理解できるように, 流れに伴う f(x.t) の時間的変化の割合,すなわち, 流体粒子の軌跡に沿っての f(z,t) の時間的変 化の割合を表す。 十演算子▽をスカラー関数f(a)に作用させて得られるVfは, f の勾配 (gradient) とよばれ る。▽をスカラー関数に作用させたときは▽の代わりに grad という記号を使ってもよい。す なわち, ▽f=gradf. 後に述べるように, ▽をベクトルとみなしてベクトル関数に作用させ る(内積をとる)ときは, 記号 gradは使わない、ただし、式(1.13) の▽は grad を使って書 くことができる。

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