65 GB/T 16415-1996 煤中硒的測定方法 氫化物發(fā)生原子吸收法 Determination of selenium in coal--Hydride generation-atomic absorption method
66 GB/T 16416-1996 褐煤中溶于稀鹽酸的鈉和鉀測定用的萃取方法 Method of extraction for the determination of sodium and potassium in brown coal soluble in dilute hydrochloric acid
67 GB/T 16658-1996 煤中鉻、鎘、鉛的測定方法 Determination of chromium cadmium and lead in coal
68 GB/T 16659-1996 煤中汞的測定方法 Determination of mercury in coal
69 GB/T 16660-1996 選煤廠用圖形符號 Coal preparation plant--Graphical symbols
70 GB/T 16772-1997 中國煤炭編碼系統(tǒng) Codification systems for Chinese coals
71 GB/T 16773-1997 煤巖分析樣品制備方法 Method of preparing coal samples for the coal petrographic analysis
72 GB 4632-1997 煤的最高內(nèi)在水分測定方法 Determination of moisture-holding capacity of coal
73 GB 14181-1997 測定煙煤粘結(jié)指數(shù)專用無煙煤技術(shù)條件 Specifications of anthracite for determination of caking index of bituminous coal
74 GB/T 5447-1997 煙煤粘結(jié)指數(shù)測定方法 Determination of caking index of bituminous coal 上一頁 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] 下一頁 |