Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid.
以风化褐煤为原料制备腐植酸 (HA) ,将HA与普通型保水剂 (PSA)复合 ,获得HA型保水剂 (HA -PSA)。
Humic acid was abstracted from leonardite and poly (sodium acrylate) was synthesized by solution polymerization.
以风化褐煤为原料制备了腐植酸,采用溶液聚合法合成了聚丙烯酸钠吸水性树脂,通过表面交联反应将腐植酸(HA)与聚丙烯酸钠(PSA)复合,制得一种新的表面交联型腐植酸-聚丙烯酸钠吸水性树脂(HA-PSA)。
The nitrify lignite is prepared from Longkou lignite with nitric acid, so that the effective ad-sorption of humic acid is increased.
利用硝酸与龙口褐煤反应制得硝化褐煤,使其有效吸附质腐植酸含量提高、用该硝化褐煤对铬离子进行吸附试验,研究吸附剂的吸附量、吸附动力学、吸附模型和溶液的ｐＨ值对吸附的影响。
Study on the Liquefaction Method and Effect of Lignite by Microorganism
微生物液化褐煤的工艺方法和作用效果研究
PRELIMINARY STUDY ON OXYGEN ELIMINATION IN SHENGLI LIGNITE DURING LIQUEFACTION PREREACTION
胜利褐煤在液化预反应中氧脱除的初步研究
Preliminary study on liquefaction properties of Xiaolongtan lignite under different atmospheres
小龙潭褐煤不同气氛下液化性能的研究
A soft, brownish - black coal in which the alteration of vegetable matter has proceeded further than in peat but not as far as in bituminous coal.
褐煤一种褐色软质煤，植物性物质的变化程度比泥煤重但比烟煤轻
Study on Lignite to Sulfonated Coal Technology
以劣质褐煤为原料制备磺化煤的研究
lignite - tar pitch
褐煤柏油脂, 褐煤硬沥青
Research of Lignite Enrichment Oxidized Roasting into the Ge-bearing Lignite Ash in Lincang
临沧褐煤富集氧化焙烧转化成含锗褐煤灰的研究
Study of Production of Active Carbon from Lignite by Rapid-Carbonization and Activation
褐煤快速炭化活化法生产活性炭研究
Lignite wax--Determination of acid value and saponification value
GB/T2564-1981褐煤蜡酸值和皂化值测定方法
Study on the Preparation of Activated Carbon by One-Step Method of Carbonization-Activation with Lignite Coal
用褐煤活化一步法制备活性炭的研究
Influence of microbial transformation on lignite briquette's waterproof property
褐煤微生物转化对型煤防水性能的影响
The methods of making solid coal sorbent and liquid gelsorbent from lignite are also discussed in this paper.
列举了由褐煤制取固体煤质吸附剂和液体凝胶吸附剂的方法。
Types and distribution of mucous cells in the digestive tract of Paralichthys olivaceus
褐牙鲆消化道粘液细胞的类型及分布
Research on Process of Catalytic Gasification of Brown Coal and Biomass with Solid Heat Carrier;
固体热载体法褐煤和生物质催化气化工艺研究
The preliminary discussion on the cold model experiment of combined fluidized gasification with the biomass and Baiyinhua lignite
生物质与白音华褐煤共流化气化冷模实验初探
Qualitiative analysis of brown coal oxidation products in mild oxidizing atmosphere
弱氧化环境下褐煤氧化产物的定性分析
Formation of Aromatic Polycarboxylic Acids from Huolinhe Lignite by Oxygen Oxidation in Alkaline Medium and Synthesis of Terephthalic Acid by Isomerization of Coal Acid in Slurry Reactor;
霍林河褐煤碱氧氧化及煤酸浆态床异构化制对苯二甲酸研究
IGNITION EXPERIMENT STUDY OF TEST INSTALLATION ON LIGNITE GASIFICATION USING COALITE AS SOLID CARRIER
焦载热褐煤气化试验装置点火试验研究