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Đồ án tốt nghiệp
KTHN & VLMT – K54
PHỤ LỤC
Phụ lục 1: Bảng dữ liệu đầu vào của chương trình tính tốn hiệu
suất:
STT
Ngày
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
14/2
18/2
19/2
20/2
21/2
25/2
26/2
27/2
28/2
4/3
5/3
6/3
7/3
11/3
12/3
13/3
14/3
18/3
19/3
20/3
25/3
26/3
27/3
28/3
1/4
2/4
3/4
4/4
8/4
15/4
Cường đợ chùm
tia
(µA)
34
36
34
35
35
35
34
36
20
35
30
34
31
34
24
33
28
35
33
35
36
34
34
36
34
32
34
33
31
35
Đinh Quang Huy
Cường đợ tích
phân
(µA)
11.5
25.5
10.1
24.1
12.5
25.6
19.7
21.8
10.2
19.0
11.5
25.6
21.5
25.1
12.2
25.0
10.0
18.1
11.0
21.7
25.1
16.0
24.2
17.2
24.9
11.9
23.6
11.1
17.5
19.0
Thời gian
tổng hợp
(phút)
37
43
32
33
33
39
35
35
37
33
43
35
31
33
50
35
37
39
44
38
38
36
44
34
32
41
36
40
38
41
Hoạt độ
18F-FDG
(mCi)
467.621
831.081
451.554
831.081
548.513
903.108
781.216
692.567
383.783
770.135
447.108
991.756
830.135
775.675
455.986
880.945
298.081
635.000
311.918
736.891
858.783
410.540
831.081
506.405
692.567
468.729
747.973
445.459
753.513
714.729
Trang 45
Đồ án tốt nghiệp
KTHN & VLMT – K54
Phụ lục 2: Code chương trình tính tốn hiệu suất:
Imports Microsoft.VisualBasic.FileIO
Imports System.IO
Public Class Form1
Private Sub Form1_Load(sender As Object, evt As EventArgs) Handles
MyBase.Load
AddHandler BeamCurrentTbx.TextChanged, AddressOf
BeamCurrentTbx_TextChanged
AddHandler IrradiationTimeTbx.TextChanged, AddressOf
IrradiationTimeTbx_TextChanged
AddHandler IntergratedCurrentTbx.TextChanged, AddressOf
IntergratedCurrentTbx_TextChanged
End Sub
Private Sub BeamCurrentTbx_TextChanged(sender As Object, evt As
EventArgs) 'Handles BeamCurrentTbx.TextChanged
'Dim IntergratedCurrent As Double
'If (BeamCurrentTbx.Text = "") Then
' IntergratedCurrent = 0
'Else
' IntergratedCurrent = CDbl(Beam.CurrentTbx.Text) *
CDbl(IrradiationTimeTbx.Text) / 60.0#
'End If
'IntergratedCurrentTbx.Text = Format(IntergratedCurrent, "###0.0")
Dim IrradiationTime As Double
If BeamCurrentTbx.Text = "" Then
IrradiationTime = 0
Đinh Quang Huy
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Đồ án tốt nghiệp
KTHN & VLMT – K54
Else
IrradiationTime = 60.0 * CDbl(IntergratedCurrentTbx.Text) /
CDbl(BeamCurrentTbx.Text)
End If
IrradiationTimeTbx.Text = Format(IrradiationTime, "###0.0")
End Sub
Private Sub IrradiationTimeTbx_TextChanged(sender As Object, evt As
EventArgs) 'Handles IrradiationTimeTbx.TextChanged
'Dim IntergratedCurrent As Double
'If (IrradiationTimeTbx.Text = "") Then
' IntergratedCurrent = 0
'Else
' IntergratedCurrent = CDbl(BeamCurrentTbx.Text) *
CDbl(IrradiationTimeTbx.Text) / 60.0#
'End If
'IntergratedCurrentTbx.Text = Format(IntergratedCurrent, "###0.0")
End Sub
Private Sub IntergratedCurrentTbx_TextChanged(ByVal sender As
System.Object, ByVal e As System.EventArgs) 'Handles
IntergratedCurrentTbx.TextChanged
Dim IrradiationTime As Double
If IntergratedCurrentTbx.Text = "" Then
IrradiationTime = 0
Else
IrradiationTime = 60.0 * CDbl(IntergratedCurrentTbx.Text) /
CDbl(BeamCurrentTbx.Text)
End If
IrradiationTimeTbx.Text = Format(IrradiationTime, "###0.0")
End Sub
Đinh Quang Huy
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Đồ án tốt nghiệp
KTHN & VLMT – K54
Private Sub CloseBtn_Click(sender As Object, evt As EventArgs) Handles
CloseBtn.Click
Close()
End Sub
Private Sub CalculateBtn_Click(sender As Object, evt As EventArgs) Handles
CalculateBtn.Click
Const Na = 6.02E+23 ''Avogadro's Number
Const M = 20.0# 'M(H2O)
Const T12 = 110.0# 'm
Const v = 0.95 '%H2O
Const rho = 1.0# 'g/cm3
Dim E0 As Double = BeamEnergyTbx.Text 'TxtBeaEne.Text
Dim Ib As Double = BeamCurrentTbx.Text 'TxtBeaInt.Text
Dim TEOB As Double = IrradiationTimeTbx.Text 'm TxtIrrTime
Dim Tsyn As Double = SynthizedTimeTbx.Text 'TxtSynTime.Text
Dim AFDG As Double = Activity18FTbx.Text 'Txt18FDG
Dim lamda = Math.Log(2) / T12
Dim E() As Double = Nothing
Dim Cs() As Double = Nothing
Dim CsCount As Integer
If Not Read_Cs(E0, E, Cs, CsCount) Then Exit Sub
Dim F(CsCount) As Double 'Hoạt đợ sau quá trình tổng hợp ( khơng tính đến
hiệu suất tổng hợp )
For i = 0 To CsCount - 1
F(i) = Ib / 0.0000000000001601 * rho * v * Na / M * Cs(i) * 1.0E-24 '1barn
= 1.0E-24 cm2
Next
Dim R = 0.0#
Đinh Quang Huy
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Đồ án tốt nghiệp
KTHN & VLMT – K54
''Integrated
'x0=Range(E(0))
'xn=Range(E(CsCount-1))=Range (17.3MeV)
For i = CsCount - 1 To 1 Step -1
R = R + (Range(E(i)) - Range(E(i - 1))) * (F(i) + F(i - 1)) / 2 'average value
Next
Dim AEOB = R * (1 - Math.Exp(-lamda * TEOB)) / 37000000000.0 * 1000.0
'mCi '37E9
Dim Af = AEOB * Math.Exp(-lamda * Tsyn)
Dim Eff = AFDG / Af * 100.0#
SynthesisEfficiencyTbx.Text = Format(Eff, "00.0") 'LblEff
CalculatedActivityTbx.Text = Format(Af, "####0.0") 'LblAct
End Sub
Private Shared Function Read_Cs(Eb As Double, ByRef E() As Double, ByRef
Cs() As Double, ByRef CsCount As Integer) As Boolean
Dim capacity = 100
ReDim E(capacity)
ReDim Cs(capacity)
Dim itemCount = 0
Dim E1 As Double
Dim E2 As Double
Dim Cs1 As Double
Dim Cs2 As Double
Dim dum As String = String.Empty
FileOpen(1, "Cross.txt", _
OpenMode.Input, OpenAccess.Read, OpenShare.LockWrite)
Input(1, E1)
Input(1, Cs1)
Input(1, dum)
Đinh Quang Huy
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Đồ án tốt nghiệp
KTHN & VLMT – K54
Input(1, dum)
If (Eb < E1) Then
E = Nothing
Cs = Nothing
CsCount = 0
FileClose(1)
MsgBox("Data is out of range")
Return False
End If
Do While Not EOF(1)
Input(1, E2)
Input(1, Cs2)
Input(1, dum)
Input(1, dum)
If (Eb < E2) Then
E(itemCount) = Eb
Cs(itemCount) = LinearInterpolate(Eb, E1, E2, Cs1, Cs2)
itemCount = itemCount + 1
Exit Do
Else
E(itemCount) = E2
Cs(itemCount) = Cs2
itemCount = itemCount + 1
If Eb = E2 Then Exit Do
End If
E1 = E2
Cs1 = Cs2
If itemCount = capacity Then
capacity = capacity + 100
Đinh Quang Huy
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Đồ án tốt nghiệp
KTHN & VLMT – K54
ReDim Preserve E(capacity)
ReDim Preserve Cs(capacity)
End If
Loop
FileClose(1)
CsCount = itemCount
ReDim Preserve E(CsCount)
ReDim Preserve Cs(CsCount)
Return True
End Function
'Nội suy tuyến tính
Private Shared Function LinearInterpolate(x As Double, x0 As Double, x1 As
Double, y0 As Double, y1 As Double) As Double
Return (x - x0) * (y1 - y0) / (x1 - x0) + y0
End Function
Private Shared Function Range(ByVal x As Double) As Double 'cm
Const A = 0.0018830001
Const b = 0.012243578
Const c = 0.015855191
Const d = -0.0016302767
Const er = -0.0019644942
'(A+bx+cx^2+d(x^2)Ln(x)+er(e^-x))/10
Return (A + b * x + c * x * x + d * x * x * Math.Log(x) + er * Math.Exp(-x)) /
10.0
End Function
'Private Function Eff_Thick(Ex As Double, dEx As Double) As Double
' Return Range(Ex) - Range(Ex - dEx)
'End Function
Đinh Quang Huy
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Đồ án tốt nghiệp
KTHN & VLMT – K54
End Class
Phụ lục 3: Tiết diện phản ứng (theo thực nghiệm của S.Takacs,2003)
Năng
lượng
(MeV)
2.5
2.6
2.7
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
6
Tiết
diện
(barn)
0.0027
0.0523
0.0066
0.0079
0.0059
0.088
0.0464
0.0623
0.0618
0.0405
0.0469
0.043
0.1161
0.1171
0.1446
0.1568
0.2481
0.1832
0.3628
0.2843
0.2202
0.1348
0.1621
0.2616
0.4224
0.5024
0.498
0.465
0.4063
0.3523
0.3441
0.3753
0.2849
0.2358
0.2688
0.4654
Đinh Quang Huy
6.1
6.2
Năng
lượng
(MeV)
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
8
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
9
9.1
9.2
9.3
9.4
9.5
9.6
0.3027
0.2276
Tiết
diện
(barn)
0.2183
0.2474
0.2615
0.2657
0.2628
0.2343
0.2216
0.2749
0.3423
0.3404
0.3251
0.3057
0.2496
0.2255
0.2365
0.2435
0.2478
0.2466
0.272
0.2814
0.2507
0.2373
0.242
0.2575
0.2666
0.2481
0.2302
0.2176
0.2042
0.2038
0.2052
0.1899
0.1772
0.1862
9.7
9.8
9.9
10
Năng
lượng
(MeV)
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
11
11.1
11.2
11.3
11.4
11.5
11.6
11.7
11.8
11.9
12
12.1
12.2
12.3
12.4
12.5
12.6
12.7
12.8
12.9
13
13.1
13.2
0.2003
0.1976
0.1949
0.1921
Tiết
diện
(barn)
0.1894
0.1867
0.184
0.1812
0.1788
0.1766
0.1744
0.1722
0.17
0.1678
0.1656
0.1635
0.1613
0.1591
0.1569
0.1548
0.1526
0.1505
0.1483
0.1462
0.144
0.1419
0.1398
0.1377
0.1356
0.1335
0.1314
0.1293
0.1273
0.1252
0.1232
0.1212
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Đồ án tốt nghiệp
13.3
13.4
13.5
13.6
13.7
13.8
13.9
14
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.8
14.9
15
15.1
15.2
15.3
15.4
15.5
15.6
15.7
15.8
15.9
16
16.1
16.2
16.3
16.4
16.5
16.6
16.7
16.8
16.9
17
17.1
17.2
17.3
17.4
0.1191
0.1171
0.1152
0.1132
0.1112
0.1093
0.1074
0.1054
0.1035
0.1017
0.0998
0.098
0.0961
0.0943
0.0926
0.0908
0.0891
0.0873
0.0856
0.084
0.0823
0.0807
0.0791
0.0775
0.0759
0.0744
0.0729
0.0714
0.0699
0.0685
0.0671
0.0657
0.0643
0.063
0.0617
0.0604
0.0592
0.0579
0.0567
0.0556
0.0544
0.0533
Đinh Quang Huy
KTHN & VLMT – K54
17.5
17.6
17.7
17.8
17.9
18
18.1
18.2
18.3
18.4
18.5
18.6
18.7
18.8
18.9
19
19.1
19.2
19.3
19.4
19.5
19.6
19.7
19.8
19.9
20
20.1
20.2
20.3
20.4
20.5
20.6
20.7
20.8
20.9
21
21.1
21.2
21.3
21.4
21.5
21.6
0.0522
0.0512
0.0501
0.0491
0.0482
0.0472
0.0463
0.0454
0.0445
0.0437
0.0428
0.0421
0.0413
0.0405
0.0398
0.0391
0.0384
0.0378
0.0371
0.0365
0.036
0.0354
0.0349
0.0344
0.0339
0.0335
0.0331
0.0327
0.0323
0.0319
0.0315
0.0312
0.0309
0.0306
0.0303
0.03
0.0297
0.0295
0.0292
0.029
0.0287
0.0285
21.7
21.8
21.9
22
22.1
22.2
22.3
22.4
22.5
22.6
22.7
22.8
22.9
23
23.1
23.2
23.3
23.4
23.5
23.6
23.7
23.8
23.9
24
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
24.9
25
25.1
25.2
25.3
25.4
25.5
25.6
25.7
25.8
0.0283
0.0281
0.0279
0.0277
0.0276
0.0274
0.0272
0.027
0.0269
0.0267
0.0266
0.0264
0.0263
0.0261
0.026
0.0258
0.0257
0.0256
0.0254
0.0253
0.0251
0.025
0.0249
0.0248
0.0246
0.0245
0.0244
0.0243
0.0242
0.024
0.0239
0.0238
0.0237
0.0236
0.0235
0.0234
0.0233
0.0233
0.0232
0.0231
0.023
0.0229
Trang 53
Đồ án tốt nghiệp
KTHN & VLMT – K54
25.9
26
0.0228
Đinh Quang Huy
0.0228
Trang 54
Đồ án tốt nghiệp
26.1
26.2
26.3
26.4
26.5
26.6
26.7
26.8
26.9
27
27.1
27.2
27.3
27.4
27.5
27.6
27.7
27.8
27.9
28
28.1
28.2
28.3
28.4
28.5
28.6
28.7
28.8
28.9
29
29.1
29.2
29.3
29.4
29.5
29.6
29.7
29.8
KTHN & VLMT – K54
0.0227
0.0226
0.0225
0.0225
0.0224
0.0223
0.0222
0.0222
0.0221
0.0221
0.022
0.022
0.0219
0.0219
0.0219
0.0218
0.0218
0.0218
0.0218
0.0218
0.0219
0.0219
0.022
0.022
0.0221
0.0222
0.0223
0.0224
0.0225
0.0226
0.0227
0.0228
0.023
0.0231
0.0233
0.0234
0.0236
0.0237
Đinh Quang Huy
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