| 探管网分布气体的膜下PH3与CO2混合熏蒸试验 |
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| 引用本文： | 蒋国斌,梅建峰,史东斌,曹阳.探管网分布气体的膜下PH3与CO2混合熏蒸试验[J].粮食储藏,2005,34(4):8-10,21. |
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| 作者姓名： | 蒋国斌 梅建峰 史东斌 曹阳 |
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| 作者单位： | 1. 枣阳国家粮食储备库,湖北,4412118
2. 河南工业大学,河南,450052 |
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| 摘 要： | 在老式房式仓仓外安装气体分配箱，粮堆内布设探管网，用于分布气体，粮面采用薄膜密封，利用仓外PH3发生器，进行膜下PH3与CO2混合熏蒸试验。试验结果表明PH3浓度分布均匀，均匀度大于0．83；熏蒸期间气密性较好，平均浓度下降率为4．5％／d；熏蒸28天后散气，杀虫效果良好，粮堆内储粮害虫死亡率达到100％。
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| 关 键 词： | 磷化氢 二氧化碳 混合熏蒸 储粮害虫 熏蒸试验 PH3 CO2 气体 混合 膜下 |
| 收稿时间： | 2005-04-11 |
| 修稿时间： | 2005-04-11 |
MIXED FUMIGATION WITH PH3 AND CO2 UNDER FILM AND DISTRIBUTION OF GAS BY DUCTS |
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| Jiang Guobin,Mei Jianfeng,Shi Dongbin,Cao Yang.MIXED FUMIGATION WITH PH3 AND CO2 UNDER FILM AND DISTRIBUTION OF GAS BY DUCTS[J].Grain Storage,2005,34(4):8-10,21. |
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| Authors: | Jiang Guobin Mei Jianfeng Shi Dongbin Cao Yang |
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| Abstract: | Gas distribution boxes were equipped outside the old warehouse, and ducts were equipped inside grain bulk to distribute gas. Grain bulk was sealed with film, then mixed fumigation with PH3 and CO2 was carried out under film through PH3 generator outside the warehouse,. The results showed the distribution of PH3 was uniform, and the rate of low - concentration to high - concentration was higher than 0.83 ; gastightness was well during fumigation, the lowering rate of mean concentration was 4.5 %/d. The mortality of stored - grain insects was 100 % after fumigation for 28 days. |
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| Keywords: | PH3 CO2 mixed fumigation stored - grain insect |
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