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精细煤粉提高化工用水煤浆质量浓度的研究2022-09-09

YS/T 34.1-2011高纯砷化学分析方法.电感耦合等离子体质谱法（ICP-MS）测定高纯砷中杂质含量Method for chemical analysi...2022-06-14

GB/T 23573-2009金属切削机床.粉尘浓度的测量方法Metal-cutting machine tools - Determination method of dust con...2022-06-09

GB 27742-2011可免于辐射防护监管的物料中放射性核素活度浓度Activity concentration for material not requiring r...2022-06-08

GB/T 25915.10-2021洁净室及相关受控环境第10部分：按化学物浓度划分表面洁净度等级Cleanrooms and associated contr...2022-03-18

GB/T 25915.8-2021洁净室及相关受控环境第8部分：按化学物浓度划分空气洁净度(ACC)等级Cleanrooms and associated co...2022-03-18

GB/T 40345-2021植物保护机械确定可排放液体体积及浓度的试验方法Crop protection equipment. Test method for the...2022-03-18

GB/T 40508-2021生物质燃气中焦油和灰尘含量的测定方法Determination of tar and dust concentrations in biomass-b...2022-03-18

OPTICAL DIAGNOSTIC AND MODELING SOLUTION GROWTH PROCESS OF SODIUM CHLORATE CRYSTALS2020-11-11

Theoretic computing model of combustion process of asphalt smoke2020-11-10

世界煤炭资源供需分析?2020-11-08

红枣浓缩汁的加工工艺2020-10-26

Characteristics of Baicalin Synergy with Penicillin or Notopterygium Ethanol Extracts Against Staphy2020-10-22

Influence of furfural concentration on growth and ethanol yield of Saccharomyces kluyveri2020-10-22

低浓度乙醇重整燃料发动机空燃比控制系统的设计与试验2020-09-30

地下空间通风系统的优化2020-09-30

地下空间通风优化2020-09-29

双乙烯酮的环保生产2020-09-25

Effect of HCO3- concentration on CO2 corrosion in oil and gas fields2020-09-15

Axisymmetric solutions of the Chaplygin gas for initial negative radial velocity2020-09-15

Concentration profile of jet gas in the feed injection zone of a FCC riser2020-09-15

Impact energy analysis of turbulent water sprays for continuous centrifugal concentration2020-07-08

Analysis of Mixing of Pollutants in Water Waves and Currents2020-07-08

Prediction of oxygen concentration and temperature distribution in loose coal based on B P neural ne2020-06-12

A forecasting and forewarning model for methane hazard in working face of coal mine based on LS-SVM2020-06-12

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