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- Keywords siderite;sponge iron / coal base reduction; 菱铁矿;海绵铁／煤基还原;
- They decided to make Pingdingshan a large coal base. 他们决定把平顶山建成大型产煤基地。
- In conclusion,it pointed out that coal based SNG is more competitive and ha... 通过分析可知,煤制天然气极具竞争力,市场前景巨大。
- A coal based activated carbon with higher adsorptivity is produced in the laboratory by using Yangquan anthracite. 选用阳泉矿区的3种无烟煤为原料,通过调整工艺参数,在实验室研制出具有较高吸附性能的煤质活性炭产品。
- In the production process of activated carbon, the trace element of coal affects the quality of coal based activated carbon directly. 在活性炭生产中,原料煤中含有的微量金属元素的多少直接影响到煤基活性炭的品位。
- A new Information Entropy based reduct searching algorithm is proposed to tackle the problems involved in Rough set based reducting. 本文针对粗集属性约简存在的问题，提出了一种基于信息熵的属性约简算法。
- The low carbon olefin process from coal based methanol has already a foundation for commercial application not only technically but also economically. 煤基甲醇制低碳烯烃工艺无论从技术还是从经济上都具备了工业化应用的基础和条件。
- Development the large capacity coal based synthesis methanol possesses very important realism significance in China for guarantee energy s... 借鉴别人经验,发展煤基燃料大甲醇对保障中国能源供应安全具有现实意义。
- The novel methods and the new chances for coal's nonfuel application are provided by coal based polyaniline.The coal based polyan... 同时,煤基聚苯胺也为煤的非能源利用提供了新途径和新机遇,具有一定的推广价值。
- In contrast with polyaniline,coal based polyaniline's conductivity drops slightly,but it has cheaper cost and strenghened thermal stability. 煤基聚苯胺和纯聚苯胺相比,电导率下降不大,而且成本降低、热稳定性增强;
- Aimed at utilization of iron resources in pyritic slag,the study on production of metallized agglomerate with pyritic slag through coal based DR process was conducted. 为合理利用硫酸烧渣中的铁资源，进行了煤基直接还原生产金属化团块的研究，提出了润磨造球-预热焙烧-磁选-冷固结成型的新工艺流程。
- Technological process suitable for coal based city gas should be chosen accord ing to the quality of coal and the scale of the factory and the coproduction of chemical products. 以煤为原料制取城市煤气，要根据煤质、工厂规模、联产化工产品等不同特点，来选择适宜的工艺路线，可以是煤的完全气化，也可以是煤的焦化。
- Using concentrated H_2SO_4 modified coal based activated carbon as catalyst,benzylaldehyde glycol acetal was synthesized from benzylaldehyde and glycol. 以浓硫酸改性煤基活性炭为催化剂,以苯甲醛和乙二醇为原料合成苯甲醛乙二醇缩醛的反应条件进行了研究。
- The SOD like activity of analogue of SOD has measured by the method based reduction of nitro blue terrazolium (NBT) by lactoflavin . 研究表明:合成配合物结构稳定,水溶液中具有一定的SOD样活性。
- Heilongjiang province is the coal base with important country, pneumoconiosis is the tall hair occupational disease that perplexes worker of a gleam of from beginning to end. 黑龙江省是国家重要的煤炭基地，尘肺始终是困扰一线工人的高发职业病。
- As a result, FORWARD Brand PJ series crushed coal based activated carbons are suitable adsorbents for deep purification of drinking water, and separation of bacteria and harmful components from air. PJ系列煤质活性炭对各种水中的有机质、游离氯以及空气中有害气体有极强的吸附能力，是城市饮用水深度净化优良吸附剂，并应用于脱除空气中细菌及毒害性气体成分。
- Xiong Youhui,Jiang Taiyi.Automatic proximate analyzer for coal based on thermogravimetric analysis (TGA)[J].Chinese Journal of Scientific Instrument,2004,25(6):717-720(in Chinese). [20]熊友辉;蒋泰毅.;基于热重方法的自动煤质工业分析仪研究[J]
- The DRC coal base direct reduction ironmaking technology from Davy International Engineering Co. will be adopted by the DRC Direct Reduction Ironmaking Plant at Tianjin Steel Tube Co The DRI will be produced in rotary kiln using ore,coal and lime. 天津钢管公司DRC直接还原厂将采用英国戴维国际工程公司的DRC煤基直接还原技术,以铁矿石、煤、石灰石为原燃料,用回转窑来生产直接还原铁(DRI)。
- Schiff base is the Types of organic compounds which contain C-N double bond of the imine or azomethine group characteristics (-RC = N-).the early research focus on Amine Schiff base reduction. 席夫碱主要是指含有碳氮双键的亚胺或甲亚胺特性基团 (-RC = N-)的一类有机化合物，早期的研究一般为缩胺类席夫碱。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
