查询词典 hydrogen

So far research on antibiotic production wastewater treatment has mainly focused on the removals of organic pollutant and sulphate and hydrogen sulfide produced during sulphate removal with anaerobic process.

迄今为止，虽然对抗生素废水处理技术的研究很多，但基本上是针对有机物和硫酸盐以及硫酸盐在厌氧过程中产生的高浓度硫化氢去除的研究，而对脱氮除磷、脱色以及剩余污泥处理的研究，尤其是综合治理技术的最优化和工程实际应用的研究很少。

The main products:"hydrogen and oxygen gas cutting machine", food manufacturing equipment, the car steering wheel of a round box, car link, the chairs of rivets, automotive Circuit pieces of copper processing, and diesel engine casing All kinds of plugs, fire pump planes, fire pumps, pumping vacuum pumps, fire equipment and accessories to turning shaft, and other items, stamping parts, various types of pipe, and the Cold Working Gezhongfeibiao machining. I plant a principle of service: quality first, the credibility of the first, service-oriented, customer first

主要产品：&氢氧气割机&、食品制造设备、汽车方向盘的圆框骨、汽车连杆、坐椅的各种铆钉、汽车油路的铜件加工、柴油机外壳以及各种插销、消防泵浦架、消防抽水泵、抽水真空泵、消防器材配件与接轴等各类车削件、冲压件、各类管件、冷作以及各种非标机械加工。

diffusion ; gas separation ; membrane materials ; methane steam reforming/metal dispersed microporous membrane ; hydrogen selective permeation ; sol-gel process ; membrane reactor

大连理工大学；日本国九州大学；日本国九州大学扩散；气体分离；膜材料；甲烷蒸汽转化法/金属分散多孔膜；氢选择渗透；溶胶-凝胶法；膜反应器

The primary method of hydrogen generation is steam reforming of natural gas.

生产氢的主要方法是天然气的蒸气重整。

The primary method of hydrogen generation is steam reforming of natural gas .

生产氢的主要办法是天然气的蒸气重整。。。。

A mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal.

一种含氢、一氧化碳和少量其他气体的混合物，将蒸汽通过加热的焦炭或煤而制得。

A stable kHz spark discharge plasma was used for high-efficiency conversion of methane to hydrogen and acetylene at atmospheric pressure in this study.

本论文利用稳定的大气压kHz火花放电等离子体，开展了甲烷直接转化制氢及乙炔的研究。

The results show that hydrogen addition can extend the lean operation limit,increase burn rate and decrease the spark advance for best torque.

而在MBT时，掺氢可以一定程度上提高发动机的指示热效率，降低未燃CH4和CO的排放，改善NOx与未燃碳氢(主要为CH4)的trade-off关系。

The influences of temperature, pressure, space velocity and ratio of hydrogen to nitrogen on the activity of ruthenium based ammonia synthesis catalyst were investigated.

用氨合成催化剂性能评价装置，研究了反应温度，压力，空速和氢氮比对以活性炭为载体的钌基氨合成催化剂活性的影响。

The epoxidation of α-pinene and β-pinene by 50% hydrogen peroxide and a small amount of sodium tungstate, in the presence of quaternary ammonium salt A-1 as a phase transfer catalyst, is carried out.

摘 要：采用季铵盐A-1作相转移催化剂，质量分数为50%的H2O2作氧化剂，三氯甲烷作溶剂，在加入少量钨酸钠的条件下，实现了α-蒎烯和β-蒎烯的环氧化反应。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48