歡迎訪問中科光析科學技術研究所官網!

免費咨詢熱線
400-640-9567|
801降凝劑檢測項目報價???解決方案???檢測周期???樣品要求? |
點 擊 解 答??![]() |
本標準規定了鑄造錫鉛焊料的要求、試驗方法、檢驗規則、標志、包裝、運輸、儲存和質量證明書以及合同(或訂貨單)內容。本標準適用于濕法、火法精煉生產的鑄造錫鉛焊料。
GB/T 8013的本部分規定了鋁及鋁合金陽極氧化膜的術語和定義、分類、性能要求、試驗方法、檢驗規則等。本部分適用于機械、市政、交通、電氣、包裝、建筑及裝飾等領域用鋁材陽極氧化膜。本部分不適用于壁壘型無孔陽極氧化膜、鉻酸溶液中陽極氧化生成的膜和用作有機涂層或金屬鍍層底層的陽極氧化膜。
GB/T 8013的本部分規定了鋁及鋁合金陽極氧化復合膜的分類、性能要求、試驗方法、檢驗規則等。本部分適用于機械、市政、交通、電氣、包裝、建筑及裝飾等領域用鋁材陽極氧化復合膜。
GB/T 8013的本部分規定了鋁及鋁合金有機聚合物涂膜的分類、表面預處理、性能要求、試驗方法、檢驗規則等。本部分適用于機械、市政、交通、電氣、包裝、建筑及裝飾等領域用鋁材有機聚合物涂膜。
本部分規定了用質量損失法測定鋁及鋁合金陽極氧化膜單位面積質量(表面密度),并估算氧化膜平均厚度的方法。 本部分適用于銅含量不大于6%的鑄造或變形鋁及鋁合金生成的所有陽極氧化膜。
警告:本標準無意對與其使用相關的所有安全問題都提出建議。使用者在應用本標準之前,有責任建立適當的安全和防護措施,并確定相關規章限值的適用性。特殊的注意事項列于第6章,以及8.1.3.2、8.1.4.2、8.2.6.3、9.3.6.3、10.3.6.2、B.1.4、B.1.6、B.3和C.3中。范圍:1.1本標準規定了用于測定汽油、其他易揮發性石油產品及易揮發性原油蒸氣壓的方法。本標準A法適用于測定蒸氣壓小于180kPa的汽油(包括僅含甲基叔丁基醚(MTBE)的汽油)和其他石油產品。A法的改進步驟適用于35kPa~100kPa的汽油和添加含氧化合物汽油的樣品。1.3本標準B法及其改進步驟采用半自動水平浴測定儀,同樣適用于測定A法及其改進步驟所適用的汽油及其他石油產品。但在確定其精密度的實驗室間比對試驗中,僅采用了汽油和添加含氧化合物汽油的樣品。1.4本標準C法適用于測定蒸氣壓大于180kPa的樣品。1.5本標準D法適用于測定蒸氣壓約為50kPa的航空汽油。1.6本標準不適用于液化石油氣蒸氣壓的測定,液化石油氣蒸氣壓的測定方法參見GB/T 6602或ASTM D6897。原油蒸氣壓測定的精密度本方法尚未確定。GB/T 11059是測定原油蒸氣壓的方法,IP 481是測定原油空氣飽和蒸氣壓的方法。1.7本標準針對添加含氧化合物汽油樣品的改進步驟的試驗準備、試樣的轉移、試樣狀態的驗證、測定步驟、試驗結果報告和精密度要求做了特別說明,詳見4.3、8.1.3.2、8.1.4.2、8.2.1、8.2.2、8.2.4、8.2.5、8.2.6.1、9.2、93.2、9.3.4、9.3.5、12.2、13.1.1的表1和13.1.2的表2.
本標準規定了在加速氧化條件下汽油氧化安定性的測定方法。本標準適用于車用汽油、車用乙醇汽油調合組分油和車用乙醇汽油等產品。
本標準規定了植物油庫工程設計所涉及到的庫址選擇、總平面布置、儲運工藝及設備、安全消防、給水排水、環境保護、電氣裝置、采暖通風等方面的一般原則。本標準適用于新建、擴建和改建的采用焊接鋼制立式固定頂油罐的地上植物油庫的設計。本標準不適用于采用非焊接鋼制油罐的植物油庫,亦不適用于倉房式、地下式植物油庫及生產車間附屬罐的設計。植物油庫設計除應執行本標準外,還應符合現行有關標準的規定。
本文件規定了速凍湯圓的原料、感官、理化、安全、食品添加劑和食品營養強化劑、凈含量的要求,描述了相應的試驗方法,規定了生產加工過程、檢驗規則、標簽、標志、包裝、運輸和貯存的內容。r本文件適用于速凍湯圓的生產、檢驗和銷售。
本標準規定了額定容量為200MW及以上水內冷汽輪發電機內冷卻水質標準及系統的清洗處理措施。本標準適用于額定容量為200MW及以上水內冷汽輪發電機。其他水內冷發電機可參照執行。
本標準規定了煤礦巷道瀝青鋪裝層施工技術規范的術語和定義、原材料要求、施工工藝、施工安全、技術措施、質量控制
1.1x00a0;This specification covers natural gasoline to be used as a hydrocarbon blendstock in ethanol fuel blends for flexible-fuel automotive spark-ignition engines (Specification D5798). In the United States, these blends are referred to commercially as Ethanol Flex Fuel. 1.2x00a0;This specification also covers natural gasoline to be used as a denaturant in denatured fuel ethanol for blending with gasolines for use as automotive spark-ignition engine fuel (Specification D4806). 1.3x00a0;Specific regulatory requirements for the intended uses from various jurisdictions are given in appendixes for information. 1.4x00a0;This specification is not intended to provide a market specification nor a regulatory reference for natural gasoline for any use other than as a hydrocarbon blendstock in ethanol fuel blends or as a denaturant in denatured fuel ethanol. 1.5x00a0;The values stated in SI units are to be regarded as standard. 1.5.1x00a0;Exceptionx2014;Values given in parentheses are provided for information only.
1.1x00a0;This specification covers natural gasoline to be used as a hydrocarbon blendstock in ethanol fuel blends for flexible-fuel automotive spark-ignition engines (Specification D5798). In the United States, these blends are referred to commercially as Ethanol Flex Fuel. 1.2x00a0;This specification also covers natural gasoline to be used as a denaturant in denatured fuel ethanol for blending with gasolines for use as automotive spark-ignition engine fuel (Specification D4806). 1.3x00a0;Specific regulatory requirements for the intended uses from various jurisdictions are given in appendixes for information. 1.4x00a0;This specification is not intended to provide a market specification nor a regulatory reference for natural gasoline for any use other than as a hydrocarbon blendstock in ethanol fuel blends or as a denaturant in denatured fuel ethanol. 1.5x00a0;The values stated in SI units are to be regarded as standard. 1.5.1x00a0;Exceptionx2014;Values given in parentheses are provided for information only. 1.6x00a0;This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
1.1 This specification covers natural gasoline to be used as a hydrocarbon blendstock in ethanol fuel blends for flexible-fuel automotive spark-ignition engines (Specification D5798). In the United States, these blends are referred to commercially as Ethanol Flex Fuel. 1.2 This specification also covers natural gasoline to be used as a denaturant in denatured fuel ethanol for blending with gasolines for use as automotive spark-ignition engine fuel (Specification D4806). 1.3 Specific regulatory requirements for the intended uses from various jurisdictions are given in appendixes for information. 1.4 This specification is not intended to provide a market specification nor a regulatory reference for natural gasoline for any use other than as a hydrocarbon blendstock in ethanol fuel blends or as a denaturant in denatured fuel ethanol. 1.5 The values stated in SI units are to be regarded as standard. 1.5.1 Exception—Values given in parentheses are provided for information only. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
This standard is concerned with methods of testing sodium hypochlorite solution used as laundry bleacher and household disinfectant.
前沿科學
微信公眾號
中析研究所
抖音
中析研究所
微信公眾號
中析研究所
快手
中析研究所
微視頻
中析研究所
小紅書