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Keywords H 2S;selective catalyticoxidation;hydrogen\|rich offgas;pretreatment;catalyst; 选择性催化氧化;加氢富气;转化率;催化剂;
The result shows that these sulphonates can be decomposed by SRB and then emit H 2S and D. 结果显示 :这些磺化物能被SRB分解利用 ,放出硫化氢 ;
Keywords flange;H 2S;HIC;failure analysis; 法兰;硫化氢;应力腐蚀;失效分析;
Keywords carbon scrubber;H 2S;corrosion;protection; 碳洗涤塔;硫化氢;腐蚀;防护;
The advertent problems and the tendency for development of organic sulfur chemicals production utilizing H 2S were discussed. 讨论了利用硫化氢开发有机硫化工产品中应注意的问题和发展趋势。
Chromatium was cultured and trained in CSTR reactors. The medium was coke oven gas (COG) in which there were NH 3, CO 2 and H 2S. 着色细菌在 CSTR反应器中进行驯化和富集培养 ;培养基为含 H2 S、CO2 和氨态氮的煤气 (其中 H2 S含量为 2 .;0 g/ m3)。
Sulfur exists in forms of organic and inorganic in the coal.In the course of gasifying coal,it is mainly converted to hydrogen sulfide(H 2S). 硫在煤中以无机硫和有机硫的形式存在，在煤的气化过程中主要形成硫化氢，温度、气体环境和加热率都对煤所含硫的释放有影响。
The preparation technology and adsorption property of H 2S adsorbent with red mud from Guangxi Pingguo Aluminum Corporation are described. 介绍以广西平果铝业公司氧化铝厂赤泥为主要原料制备硫化氢气体吸附剂的工艺及吸附性能。
CO 2 also supresses sulfur capture,not it only prevents the reaction of desulfurizer and H 2S,but also accelerates ash sintering that brings about CaS decompositon. CO2抑制固硫，它不但阻碍脱硫剂与H2S反应，而且促进灰渣烧结使CaS分解。
The stability of corrosion products of CRAs in H 2S environments relates to the formation behavior of Cr oxide and sulfides such as FeS,Ni 3S 2 and MoS 2. 在H2S环境中,耐蚀合金腐蚀产物的稳定性与铬的氧化物和硫化物(如FeS,Ni3S2 和MoS2 )的生成有关。
By means of acidimeter, chemical analysis, SEM, XRD and EDS, the corrosive characteristics of reinforced concrete were studied in acid mediums containing CO 2? H 2S? HCl? 通过酸度计、化学分析和 SEM、XRD、EDS等微观综合测试 ,研究了钢筋混凝土在 CO2 、H2 S、HCl、SO2 等共存的酸性介质中的腐蚀行为。
It was positive in urease,catalase,oxydase tests and negative in H 2S producing and gelatin liquefaction tests. It could not reduce NO - 3,could tolerate 3 5% NaCl and 1% glycine and hydrolyze starch. 该菌脲酶、触酶、氧化酶均为阳性 ,不还原硝酸盐 ,H2 S的生成试验阴性 ,其生长耐受 3 5 %25NaCl、l%25甘氨酸 ,水解淀粉 ,不液化明胶。
The paper introduces the preparation and property of solid base SB-1, the solid base possesses strong absorptace of acidic component (H 2S), high mechanical strength and can be regenerated simply. 开发的 S B－ 1 固体碱具有吸收酸性物质（ H2 S）能力强、机械强度高、再生简单等特点。
Meanwhile, compared with controls, the production of NO and H 2S in plasma, the activity of CSE in pulmonary tissue and expression of NOS in pulmonary arteries were markedly decreased in hypoxic rats. 结果 :低氧 2 1d大鼠肺动脉平均压力明显增高 ,同时血浆中NO和H2 S含量、肺动脉内皮细胞eNOS表达及肺组织CSE活性亦明显下降 ;
Meanwhile, plasma H 2S concentration was decreased and the activity of CSE (according to H 2S production) in lung tissues decreased in shunting rats. CSEmRNA expression by pulmonary arteries was significantly suppressed. 分流组大鼠的血浆H2 S含量及肺组织CSE活性 (肺组织H2 S产出率 )明显低于对照组 ,肺动脉mRNA表达明显降低。
The DCDW with poor iodine may occur in the oxidizing(intake) area, and the DCDW with rich fluorine may occur in reducing (discharge) area, and the Keshan disease of DCDW may occur in a damp area where the FUW is rich in H 2S gas and organic matter. 在氧化带（补给区）易发生碘缺乏病，在还原带（排泄区）易发生氟中毒病，在富有机质和H2S的潮湿地带易发生克山病。
The use of Fe 2+ as a catalyst not only could reach the stable purification efficiency above 99% of H 2S but also had a higher capacity of sulfur. So it was very advantageous for purification of H 2S in low concentration. 用Fe2 + 作催化剂 ,溶液的净化效率可达 99%25以上 ,且硫容量也较大 ,对低浓度H2 S的净化相当有利。
Keywords hydrogenation offgas;H 2S;selective oxidation;catalyst; 加氢富气;硫化氢;选择氧化;催化剂;
The chelated iron process for removing H 2S from acidic gases is developed.The results show that the process has many advantages such as quick absorption, high desulfurization efficiency etc. 并进行了络合铁法脱除酸性气体中硫化氢的研究,实验结果表明:络合铁脱硫工艺具有吸收速度快、脱硫效率高等特点。
Keywords H 2O 2;monocytes;apoptosis;osteosarcoma; 单核细胞;凋亡;骨肉瘤;