包裝工藝學(xué)十一章ppt課件-閱讀頁(yè)
2025-01-29 09:48本頁(yè)面
【正文】 00 =1498500J LOGO ?⑤ 正六邊形的內(nèi)腔表面面積為 A: A=6 40 40=9600cm2 ?⑥ 儲(chǔ)存時(shí)間 t為： t=Q﹒R 0/[A﹒ （ T2T1)] t=14985 [9600 (293273)] t≈33h LOGO ?包裝物品儲(chǔ)存溫度隨時(shí)間變化的阻熱包裝 t=W﹒c﹒R 0﹒ln[(T 0T2)/(T1T2)] /A 其中： W – 質(zhì)量 ,kg。 A 面積， cm2 ； T0 包裝內(nèi)初始溫度 ,K。 T2 包裝外界溫度 ,K。鐵桶在 353k(80℃ )時(shí)裝滿，設(shè)液體的比熱容為 3760 1 ，達(dá)到 313k(40℃ )時(shí)就會(huì)使質(zhì)量變差。 LOGO LOGO Diagram ? Click to add Text ? Click to add Text ? Click to add Text ? Click to add Text ? Click to add Text ? Click to add Text ? Click to add Text ? Click to add Text ? Click to add Text ThemeGallery is a Design Digital Content amp。 Contents mall developed by Guild Design Inc. Description of the contents Description of the contents Contents text Contents text Contents Title (2022) LOGO Diagram 2 0 .43 0 .64 5 .96 5 .30102030405060701 st Q tr502 5 .46675010203040506070801 st Q tr1. Describe contents for a Chart Description of the pany’s sub contents Description of the pany’s sub contents 2. Describe contents for a Chart Description of the pany’s sub contents Description of the pany’s sub contents Chart Title in here LOGO Diagram Products Description of the pany’s products Service Description of the pany’s service Technology Description of the pany’s technology Market Description of the pany’s market Text Text Text Text Title Add your text LOGO Diagram Add your text in here ? Your text in here ? Your text in here ? Your text in here Add your text in here ? Your text in here ? Your text in here ? Your text in here ThemeGallery is a Design Digital Content amp。 Contents mall developed by Guild Design Inc. ThemeGallery is a Design Digital Content amp。 Contents mall developed by Guild Design Inc. ThemeGallery is a Design Digital Content amp。 Contents mall developed by Guild Design Inc. LOGO Diagram 1. Description of the products 2. Description of the business Description of the business 1. Description of the products 2. Description of the business Description of the products 1. Description of the products 2. Description of the business Text in here Text in here Text in here Text in here Text in here LOGO Diagram Text in here ThemeGallery is a Design Digital Content amp。 Contents mall developed by Guild Design Inc. Text in here ThemeGallery is a Design Digital Content amp。 Contents mall developed by Guild Design Inc. ThemeGallery is a Design Digital Content amp。 Contents mall developed by Guild Design Inc. LOGO Diagram Your text in here Your text in here Your text in here Your text in here Your text in here ? Click to add Title ? Click to add Title ? Click to add Title ? Click to add Title ? Click to add Title ? Click to add Title ? Click to add Title ? Click to add Title ? Click to add Title ? Click to add Title ThemeGallery is a Design Digital Content amp
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