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1. 排列方式

1. ### fixed point... thz

...heat. So we use the temperature of pure melting ice as the lower fixed point and the temperature of the steam over pure boiling water as upper fixed po ...

2. ### Physics question

Lower fixed point and upper fixed point are not ...and boiling point are chosen as two fixed points in drawing a thermometer calibration curve (remember ...

3. ### Calibrating a mercury-in-glass

..., he should put the thermometer in hot steam. This gives the upper fixed point or steam point. Mark the point. Then, pu the thermomter in ice. ... ...

4. ### Which of the following does not have a fixed boiling point？

... (either pure element or pure compound) and therefore their boiling points are fixed. However, for air, it is a mixture of various gases (mainly ...

分類：科學及數學 > 化學 2007年06月17日

5. ### help me to 翻譯, PLS!!!15点

---- Where can leverage around a fixed point and rotating Yingbang, may be ... to the type of lever fulcrum, force points, the relative position of point r ...

分類：科學及數學 > 工程學 2011年03月08日

6. ### Phy MC 20 points

... from a freezer, mark down the liquid level and take this as the lower fixed point. 2. Put the thermometer in pure boiling water, mark down the ...

7. ### F.5 maths

Both A(-1,3) and B(1,-1) are two fixed points on the rectangular coordinate plane. If a moving point P(x,y) ...

分類：科學及數學 > 數學 2013年03月15日

8. ### Locus examples

... point so that the SUM of its distances from two fixed points, known as foci, is a constant. (4): Hyperbola...

分類：科學及數學 > 數學 2010年11月10日

9. ### coordinate geometry

... (1 , 2) Method 2 : Since the line passes through a fixed point P for any value of k. When k = 2 , the line becomes (2-2...

分類：科學及數學 > 數學 2010年04月04日

10. ### Question (Circles)

... k=5 x2 + y2 -3x = 19 These two circle passing through two fixed points So 31-6y=3x+19 3x+6y-12=0 x+2y-4=0 x=4-2y Sub into x2 + y2...

分類：科學及數學 > 數學 2009年02月15日