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English Senior High

なぜcanでは無いのですか?お願いします

words 1 /skin/ sékfon/ /tifu:/ míərm/ ases 1 ger A be necessary for you to give up any in in the near future. research studies G-A 2 Today, an incredible number been carried out all over the world this field. Scientists a working very hard and competing with one another to come u with faster and safer ways to create tissues such as skin from 3 At this point, one of the leading scientists in this area is D the patient's own body cells. a medica Yamanaka Shinya of Kyoto University. He was first doctor who treated back injuries, broken limbs, damaged joints and such. One day, he saw a woman with a serious disease in her joints. He was so shocked when he saw her swollen scientist. He misshapen joints that he decided to become a went into a basic study in order to find good ways to treat those ords 2 mpí:t/ ses 2 ther rds 3 crí:t/ Səri/ fm/ ant/ on/ on/ s 3 ch iPS Cells 1 If you have badly burned or red your skin, the doct may have to take a section of g skin from your back a Thanks to a growing however, it may no long medi sew it onto the injured area. technology called tissue engineeri: A w Wor sed R 6 The i and injuri damaged were ot 5 doctor very s into i they we 7 Dr 10 tissue cells u meth day t in th 15 Tho patients suffering from serious diseases and injuries. 4 One way to create tissue is to use egg cells, which have the ability to grow into any tissue in the body such as hair or muscle. This method, however, has produced a lot of debate. Many think it is wrong to treat live eggs as objects and then “kill them, even though the purpose is to treat patients. In addition people fear that this method could lead to human cloning. 5 For years, Dr. Yamanaka and his research team worked hard to find a different way to create tissue. Then, in 2007. they finally succeeded in creating heart muscle tissue from skin cells taken from a person's face. They first added four kinds of genes to the skin cells to put them back into their initial state, a state similar to egg cells. Then they made those cells grow into heart muscle tissue. The four genes they found are now called "Yamanaka Factors," and the initialized cells that can grow into any of the 200 cell types are called iPS cells. ma 20 on 18 th r 25時

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Mathematics Senior High

積分の質問です! (2)の青線で囲ったxについてなんですけど、例えば(1)とかだったらこの場所にグラフをそのまま入れてると思うんですけど、(2)ではグラフ(y=-cosx)を入れずにxを入れてるのはなぜですか?この場所にグラフを入れたらどうしてダメなのかも教えてもらえると助... Read More

基本 例題251 曲線x=g(y) と軸の間の面積 次の曲線と直線で囲まれた部分の面積Sを求めよ。 (1) y=elogx, y=-1, y=2e, y 軸 解答 COS X 指針>まず, 曲線の概形をかき、 曲線と直線や座標軸との交点を調べる。 ( y=elogxをxについて解き”で積分するとよい。・・・・ ・・・・・・についての積分で面積を求めるよりも、計算がらくになる。 (2) (1)と同じように考えても,高校数学の範囲ではy=-cos.x を x=g(y) の形にはできない。 そこで置換積分法を利用する。 (1),(2) ともに解] のような, 長方形の面積から引く方法 でもよい。 (0≤x≤n), y=1/2 y=- y=elogxから 1≦y≦2e で常にx>0 よって s={²₂e²dy=[e•e²1²₁ =e.e² - e•e-²/ =e³-e¹-² (2) y=-cosx から よって 3 ついての積分だかいつについて解 t x=el 6 dy=sinxdx -[-x Cosx] + S²² COS xsinxdx - - - - - - (- 12) + 5 - 12/12 3 + sinx cosxdx +0=1/22 y 2e 1 2、 S 2, 3 y YA X 0 -1 e². 1 S 2e+1 |1|2|3| x=e 424 基本事項 [3] HINNO k 1 2 → 3 y=-cost π 70 yk d C S =2e³+e² 重要 263 - x=g(y) 常に g(y)20 (1) の (長方形の面積か ら引く方法) S=e²(2e+1) s=$g(y)dy -Surf (elogx+1)dx - [(x logx-x)+1]"} =e³-et- (2) の 別解 (上と同じ方法) s - - - - - ( + - + + 1/2 ) S= -√(-cosx + 1)dx =x+(sinx-x]= 42 - Telite²x da =((²x)

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