真空状况 (5月 13日 8:00-14日 8:00)王小明 (白天 )胡建生 (晚 )

1, 10:00停限制器供水 , 为 EAST 杜瓦实验停放电 .

2, 10:20内衬烘烤电流升到 50A

3, 10:30-----感应烘烤 ,电流 125A

T内衬 125 0C, T限制器 510C

4, 11:10-11:35 He GDC, 220V/2A, 4.5E-1Pa

5, 14:00 T内衬 185 0C, T限制器 980C

6, 16:00 T内衬 192 0C, T限制器 1230C

19:30,限制器卸压阀打开；

21： 00-22： 15 给陈忠勇检漏

22： 15-22： 55 关三台冷泵阀门，充气实验。

7： 00 T内衬 213 0C, T限制器 1720C

Typical gas composition before He GDC from QMS, 05130925#

Total pressure (PKR251) PT = 1.1× 10-5Pa

P.P. = Partial Pressure

GasesM/e

H2

2D2/He

4H2O18

D2O/Ne20

CO/N2

28NO30

O2/C2D4

32Ar40

CO2

44Oil

P.P.(Pa)

2.1×10-6

2.5×10-6

4.5×10-6

8.8×10-8

1.4

×10-6

2.2×10-8

2.2×10-8

2.2×10-8

2.8×10-7

6.6×10-8

Percent(%)

19.1 22.6 40.8 0.8

N2

12.9

CO

0

0.2 0.2 0.2 2.5 0.6

Typical gas composition 2 hours after He GDC for 25mins from QMS, 05131450#

Total pressure (PKR251) PT = 2.8× 10-5Pa

P.P. = Partial Pressure

GasesM/e

H2

2D2/He

4H2O18

D2O/Ne20

CO/N2

28NO30

O2/C2D4

32Ar40

CO2

44Oil

P.P.(Pa)

6.7×10-6

1×10-5

6.9×10-6

1.1×10-7

2.1×10-6

5.6×10-8

5.6×10-8

5.6×10-8

1.9×10-6

2×10-7

Percent(%)

24 34.6 24.6 1.1 7.8 0.2 0.2 0.2 6.7 0.7

Typical gas composition during baking from QMS, 05131740#

Total pressure (PKR251) PT = 4.0× 10-5Pa

P.P. = Partial Pressure

GasesM/e

H2

2D2/He

4H2O18

D2O/Ne20

CO/N2

28NO30

O2/C2D4

32Ar40

CO2

44Oil

P.P.(Pa)

1×10-5

1.1×10-5

1×10-5

6×10-7

3.2×10-6

1.6×10-7

1.6×10-7

1.2×10-7

2.9×10-6

1.2×10-6

Percent(%)

26 27.2 25.5 1.5 8.1 0.4 0.4 0.3 7.3 3.0

Typical gas composition during baking from QMS, 05140640#

Total pressure (PKR251) PT = 4.0×10-5Pa

P.P. = Partial Pressure

GasesM/e

H2

2

D2/He

4

H2O

18

D2O/Ne

20

CO/N2

28NO30

O2/C2D4

32Ar40

CO2

44Oil

P.P.(Pa)

1.1×10-5

2.6×10-6

9×10-6

2×10-7

4.8×10-6

5.5×10-7

7.5×10-7

3.5×10-7

2.0×10-6

1.9×10-5

Percent(%)

22.4 5.3 15.8 0.8 9.6 1.5 1.1 0.7 4.1 37.5

1 6 11 16 21 26 31 36 41 46 51 56 61 66 71 76 81 86 91 96

-8-9.2x10

-73.9x10

-78.7x10

-61.3x10

-61.8x10

-62.3x10

-62.8x10

-63.3x10

-63.7x10

-64.2x10

Atomic Mass Units

Pa 05131740 baking p=4.1E-5 Pa May 14, 2004 06:43:11 AM --- Total Pressure

1 6 11 16 21 26 31 36 41 46 51 56 61 66 71 76 81 86 91 96

-8-1.8x10

-85.5x10

-71.3x10

-72.0x10

-72.7x10

-73.5x10

-74.2x10

-74.9x10

-75.7x10

-76.4x10

Atomic Mass Units

Pa 05130925 before GDC p=1.1E-5 May 13, 2004 09:36:27 AM --- Total Pressure

1 6 11 16 21 26 31 36 41 46 51 56 61 66 71 76 81 86 91 96

-8-4.6x10

-71.5x10

-73.5x10

-75.5x10

-77.5x10

-79.5x10

-61.2x10

-61.4x10

-61.6x10

-61.8x10

-62.0x10

Atomic Mass Units

Pa 05131450 2 hours after GDC for 25 mins p=2.8E-5 PaMay 13, 2004 01:51:34 PM --- Total Pressure

1 6 11 16 21 26 31 36 41 46 51 56 61 66 71 76 81 86 91 96

-8-5.3x10

-72.0x10

-74.5x10

-77.0x10

-79.5x10

-61.2x10

-61.4x10

-61.7x10

-61.9x10

-62.2x10

Atomic Mass Units

Pa 05131740 baking p=4.1E-5 Pa May 13, 2004 05:39:27 PM --- Total Pressure 05140640 5E-5Pa