电子束的偏转

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1. The document contains graphs and tables showing experimental results on electric and magnetic deflection of particles. Electric deflection shows particle deflection (D) increasing linearly with voltage (Vd) and magnetic deflection shows a linear relationship between deflection (D) and current (I). 2. Tables of data show the relationship between current (I) and voltage for positive, negative and average current values, as well as calculations of the charge to mass ratio (e/m) at different voltages. 3. The charge to mass ratio is shown to decrease with increasing voltage, demonstrating the particle is an electron.

1.电偏转
Vd 30.25 25.21 21.28 16.65 12.04 7.55 1.98
700V D -20 -15 -10 -5 0 5 10
Vd 35.47 28.79 23.08 17.41 11.57 5.84 -0.53
900V D -20 -15 -10 -5 0 5 10
Vd 25
25 20 f(x) = -0.87x + 10.18
20
15
f(x) = -1.07x + 12.49 15
10
10 5
5 D
D 0
0 Linear re- Linea
-5
-5 gression for gress
D -10 D
-10
-15 -15

-20 -20
-25 -25
-10 -5 0 5 10 15 20 25 30 35 -20 -10 0 10 20 30 40
D D

2.磁偏转
I -60.4 -36.5 -16.68 -0.03 20.61 42.7 66
700V D -20 -15 -10 -5 0 5 10
I -70.6 -46.8 -22.04 0.08 17.46 45.3 67.3
900V D -20 -15 -10 -5 0 5 10
25 25
20
f(x) = 0.24x - 5.62 20 f(x) = 0.22x - 4.76
15 15
10 10
5 5
0 D 0
-5 Linear regres- -5
-10 sion for D
-10
-15 -15
-20 -20
-25 -25
-80 -60 -40 -20 0 20 40 60 80 100 120 -100 -50 0 50 100 15
I I

电流电压 700 800 900 1000
I正 1.51 1.69 1.74 1.91
I反 1.5 1.66 1.74 1.9
I平均 1.51 1.68 1.74 1.91
e/m 1.51 1.38 1.43 1.34
e/m（平均） 1.42

-3.3 -6.48
15 20
-5.39 -10.58
15 20

+ 10.18

D
Linear re-
gression for
D

20 30 40

87.5 109.2
15 20
92.2 115
15 20

= 0.22x - 4.76

D
Linear re-
gression for
D

0 50 100 150
I

This document presents a transportation problem involving 3 production facilities and 4 warehouses. The facilities have weekly production capacities of 7, 10, and 18 units. The warehouses have weekly demands of 5, 8, 7, and 15 units. The transportation costs between each facility-warehouse pair are given. Using the Vogel's Approximation Method, an initial basic feasible solution is found allocating specific facilities to meet warehouse demands. The MODI method is then used to test for optimality. Some reallocations are made to improve the solution. The optimal solution allocates production from the facilities to warehouses to meet demands at a total transportation cost of Rs. 900.

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电子束的偏转

1. 1.电偏转 Vd 30.25 25.21 21.28 16.65 12.04 7.55 1.98 700V D -20 -15 -10 -5 0 5 10 Vd 35.47 28.79 23.08 17.41 11.57 5.84 -0.53 900V D -20 -15 -10 -5 0 5 10 Vd 25 25 20 f(x) = -0.87x + 10.18 20 15 f(x) = -1.07x + 12.49 15 10 10 5 5 D D 0 0 Linear re- Linea -5 -5 gression for gress D -10 D -10 -15 -15 -20 -20 -25 -25 -10 -5 0 5 10 15 20 25 30 35 -20 -10 0 10 20 30 40 D D 2.磁偏转 I -60.4 -36.5 -16.68 -0.03 20.61 42.7 66 700V D -20 -15 -10 -5 0 5 10 I -70.6 -46.8 -22.04 0.08 17.46 45.3 67.3 900V D -20 -15 -10 -5 0 5 10 25 25 20 f(x) = 0.24x - 5.62 20 f(x) = 0.22x - 4.76 15 15 10 10 5 5 0 D 0 -5 Linear regres- -5 -10 sion for D -10 -15 -15 -20 -20 -25 -25 -80 -60 -40 -20 0 20 40 60 80 100 120 -100 -50 0 50 100 15 I I 电流电压 700 800 900 1000 I正 1.51 1.69 1.74 1.91 I反 1.5 1.66 1.74 1.9 I平均 1.51 1.68 1.74 1.91 e/m 1.51 1.38 1.43 1.34 e/m（平均） 1.42

2. -3.3 -6.48 15 20 -5.39 -10.58 15 20 + 10.18 D Linear regression for D 20 30 40 87.5 109.2 15 20 92.2 115 15 20 = 0.22x - 4.76 D Linear regression for D 0 50 100 150 I

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电子束的偏转

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电子束的偏转