書誌事項
- タイトル別名
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- Average Lifespan Estimation for Electrical and Electronic Products Based on Quantification Analysis of Relationship with Product Characteristics
- セイヒン トクセイ ニ カンスル スウリョウカ ブンセキ オ モチイタ デンキ デンシ セイヒン ノ ヘイキン シヨウ ネンスウ ノ スイテイ
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In this study, the relationship between the average lifespans and characteristics of twenty-two types of electrical and electronic products was analyzed. Following, the results of this analysis were used to determine average lifespans and the total waste number of products whose lifespan distributions have not been clarified.<br>The reasons for removing the products surveyed in previous studies were categorized, and four kinds of characteristics : durability, purchase cost, recent improvement in product performance, and ease of transfer of products, extracted as being the main influences on average lifespans for such products. The analysis using quantification theory type I was conducted with data directly or indirectly relating to these characteristics, and average lifespans which were estimated through a questionnaire survey on the products people own. Results showed that the average lifespan for the twenty-two types of products can basically be expressed using the equation of quantification theory with four kinds of data : stock period of functional parts, average shipment value, shipment growth rate and average weight (determination coefficient R2 was 0.82). Furthermore, the average lifespan of some products was estimated using the equation of quantification theory. As a result, approximately the same values as those estimated from the questionnaire survey or statistics with mass-balance concept were finally obtained.
収録刊行物
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- 廃棄物学会論文誌
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廃棄物学会論文誌 18 (3), 182-193, 2007
一般社団法人 廃棄物資源循環学会
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詳細情報 詳細情報について
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- CRID
- 1390282680273837056
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- NII論文ID
- 10018760828
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- NII書誌ID
- AN10414685
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- COI
- 1:CAS:528:DC%2BD2sXnvVGgtbo%3D
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- ISSN
- 1883163X
- 18831648
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- NDL書誌ID
- 8766274
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- JaLC
- NDL
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