通過(guò)上述較短周期與較長(zhǎng)周期統(tǒng)計(jì)分析所得結(jié)果的比較，長(zhǎng)周期的相關(guān)性要明顯優(yōu)于短周期的相關(guān)性。
2 環(huán)境溫度相對(duì)穩(wěn)定的試驗(yàn)
通過(guò)對(duì)存儲(chǔ)環(huán)境溫度相對(duì)穩(wěn)定條件下的棉包各層溫度試驗(yàn)數(shù)據(jù)的統(tǒng)計(jì)分析，對(duì)棉包溫度隨環(huán)境溫度的變化速率進(jìn)行研究。
2.1實(shí)驗(yàn)室1號(hào)棉包溫度試驗(yàn)
從實(shí)驗(yàn)室1號(hào)棉包的試驗(yàn)數(shù)據(jù)中抽取兩個(gè)溫濕度段相交時(shí)的各探頭的溫度記錄數(shù)據(jù)如表3～表5所示,對(duì)表列數(shù)據(jù)進(jìn)行分析,以探討棉包內(nèi)各處溫度隨環(huán)境溫度變化的規(guī)律。
(1) 7℃～12℃溫度段
表3 7℃～12℃溫度段各探頭的溫度記錄數(shù)據(jù)
|
日期
|
時(shí)間
|
溫度/℃
|
|
環(huán)境探頭
|
探頭1
|
探頭2
|
探頭3
|
探頭4
|
探頭5
|
探頭6
|
|
06.04.09
|
16:00:00
|
7.4
|
7.4
|
7.6
|
7.3
|
7.3
|
7.2
|
7.2
|
|
06.04.09
|
18:00:00
|
10.2
|
7.5
|
7.9
|
7.4
|
7.5
|
7.6
|
8.5
|
|
06.04.09
|
20:00:00
|
10.4
|
7.7
|
8.2
|
7.6
|
7.9
|
8.3
|
9.3
|
|
06.04.09
|
22:00:00
|
10.7
|
8.0
|
8.4
|
7.8
|
8.3
|
8.9
|
9.9
|
|
07.04.09
|
0:00:00
|
11.0
|
8.2
|
8.7
|
8.2
|
8.7
|
9.3
|
10.3
|
|
07.04.09
|
2:00:00
|
11.2
|
8.4
|
9.0
|
8.5
|
9.1
|
9.8
|
10.7
|
|
07.04.09
|
4:00:00
|
11.4
|
8.7
|
9.3
|
8.8
|
9.5
|
10.1
|
11.0
|
|
07.04.09
|
6:00:00
|
11.9
|
9.0
|
9.6
|
9.2
|
9.9
|
10.4
|
11.3
|
|
07.04.09
|
8:00:00
|
12.5
|
9.3
|
9.9
|
9.5
|
10.2
|
10.8
|
11.8
|
|
07.04.09
|
10:00:00
|
12.8
|
9.6
|
10.2
|
9.9
|
10.6
|
11.2
|
12.1
|
|
07.04.09
|
12:00:00
|
12.3
|
9.8
|
10.5
|
10.2
|
10.9
|
11.5
|
12.1
|
|
07.04.09
|
14:00:00
|
12.4
|
10.1
|
10.7
|
10.5
|
11.1
|
11.7
|
12.3
|
|
07.04.09
|
16:00:00
|
12.4
|
10.4
|
10.9
|
10.8
|
11.4
|
11.8
|
12.4
|
|
07.04.09
|
18:00:00
|
12.7
|
10.6
|
11.1
|
11.0
|
11.6
|
12.0
|
12.4
|
|
07.04.09
|
20:00:00
|
12.2
|
10.8
|
11.3
|
11.2
|
11.7
|
12.0
|
12.4
|
|
07.04.09
|
22:00:00
|
12.6
|
11.0
|
11.4
|
11.4
|
11.8
|
12.1
|
12.4
|
|
08.04.09
|
0:00:00
|
12.1
|
11.2
|
11.6
|
11.5
|
11.9
|
12.2
|
12.4
|
|
08.04.09
|
2:00:00
|
12.5
|
11.4
|
11.8
|
11.7
|
12.0
|
12.2
|
12.4
|
|
08.04.09
|
4:00:00
|
12.1
|
11.5
|
11.9
|
11.8
|
12.1
|
12.3
|
12.5
|
|
08.04.09
|
6:00:00
|
12.4
|
11.6
|
12.0
|
11.9
|
12.2
|
12.3
|
12.4
|
|
08.04.09
|
8:00:00
|
12
|
11.7
|
12.1
|
12.0
|
12.2
|
12.3
|
12.5
|
|
08.04.09
|
10:00:00
|
11.7
|
11.8
|
12.1
|
12.0
|
12.1
|
12.2
|
12.1
|
|
08.04.09
|
12:00:00
|
12.0
|
11.8
|
12.1
|
12.0
|
12.0
|
12.1
|
11.9
|
|
08.04.09
|
14:00:00
|
11.9
|
11.9
|
12.1
|
12.0
|
12.0
|
11.9
|
11.8
|
|
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