Gb474-2008
WebGB 474-2008 English Version - GB 474-2008 Method for preparation of coal sample (English Version): GB 474-2008, GB/T 474-2008, GBT 474-2008, GB474-2008, GB 474, GB474, … WebGB 474-2008: PDF in English ICS 73.040 D 21 NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA Replacing GB 474-1996 Method for Preparation of Coal Sample …
Gb474-2008
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WebJul 24, 2024 · According to the GB474-2008 standard, the studied coal samples were crushed to 60–80 mesh particles (average particle size was 0.215 mm), then sealed in containers and stored for later use. Proximate analysis of coal samples was carried out in accordance with the GB212-2008 standard. WebGB 474-2008: Translated English of Chinese Standard. GB474-2008: Method for Preparation of Coal Sample
WebMay 1, 2024 · The mixed shrinkage sampling was performed according to GB474 - 2008. The mixing process was carried out in a closed mixer (GS-TRHY, China Gaosheng Co., Ltd) with a rotating speed of 12 r/min and a mixing time of 30 min. Calcination activation process in muffle furnace(SX-5–12, Hebi Company in China). Webstandard coal sampling method (No. GB474-2008). The size of −74 μm was chosen because it is used in pulverized fuel power plants.4 The differential size distributions …
Webgb/t 474-2008 煤样的制备方法本标准规定了煤样制备的术语和定义，试样的构成、破碎、混合、缩分和空气干燥，各种煤样的制备及存查煤样。本标准适用于褐煤、烟煤和无烟煤 … WebGB 474-1983 English Version - GB 474-1983 Methods for the preparation of coal sample (English Version): GB 474-1983, GB/T 474-1983, GBT 474-1983, GB474-1983, GB 474, GB474, GB/T474-1983, GB/T 474, GB/T474, GBT474-1983, GBT 474, GBT474
WebFeb 12, 2024 · GB 474-1996 (GB474-1996) Description (Translated English) Preparation of coal sample: Sector / Industry: National Standard: Classification of Chinese Standard: …
Web浅谈煤炭检测中的几个细节问题. 蒋德洪;甘丽华;余建洪. 【摘 要】近年来煤炭成本占据到水泥熟料成本的三分之二,煤炭质量检测结果的准确与否,对公司成本影响较大.我集团公司中心试验室通过大量的检验操作对比,试验数据论证分析,建章立制,统一规范了集团 ... rainbow paper chainWeb煤样的制备方法GB474—83. 本标准适用于将各煤种的商品煤样、煤层煤样、生产煤样、煤芯煤样和其他煤样制备成分析煤样。. 1.1 煤样室 (包括制样、贮样、干燥、减灰等房间)应 … rainbow papaya pros and consWebApr 27, 2024 · The originally collected coal samples were sealed and transported to a laboratory and processed in accordance with the preparation method of coal samples (GB474-2008). Coal samples with particle sizes ranging from 0.075 to 0.106 mm and 0.075 to 2 mm were selected for the thermogravimetric analysis experiments, indicator gas … rainbow paper printableWebGB 474-1983 English Version - GB 474-1983 Methods for the preparation of coal sample (English Version): GB 474-1983, GB/T 474-1983, GBT 474-1983, GB474-1983, GB 474, … rainbow para colorearWebMar 27, 2014 · China State Bureau of Technical Supervision. 2008. Preparation of Coal Sample (GB474-2008) (in Chinese). Beijing: Standards Press of China. ... (GB/T 6948-2008) (in Chinese). Beijing: Standards Press of China. Google Scholar Dai S F, Ren D Y, Hou X L, et al. 2003. Geochemical and mineralogical anomalies of the late Permian coal in the … rainbow paper plate craftWebAug 1, 2024 · They were sampled according to ‘Method for Preparation of Coal Sample’ (GB474-2008) by using KERP hammer crusher, SF-05 automatic sample splitterand 0.2 mm standard sieve. 3.2. Spectrum collection. Spectrum data was collected with an Antaris II FT-NIR Spectrometer according to the GB/T213-2008 standard: ... rainbow paper to printWebpreparation of coal sample (GB474–2008) of the People’s Republic of China, and samples with a diameter of 80–120 mesh were selected for proximate analysis and elemental analysis; the results are summarised in Table 1. rainbow paper font