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- Copper-based CO low temperature shift catalyst is the most important catalyst for ammonia synthesis and hydrogen plant. 铜基一氧化碳低温变换催化剂是合成氨、制氢装置最关键的经济型催化剂。
- Activity, sulfur-tolerance and selectivity of FBD low-chromium high temperature shift catalyst for operation at low steam/gas were investigated. 研究了FBD型低汽气比低铬一氧化碳高温变换催化剂的活性、抗硫性能和选择性。
- The effect of the curing time、temperature and the thickness of ECA for electrical conductivity of ECA was researched. 研究了固化温度、时间及导电胶层厚度对导电胶固化后导电性的影响。
- This paper described the intrinsic kinetic behavior of CO high temperature shift(HTS) reaction under atmospheric pressure over BX catalyst in an isothermal integral reactor. 采用常压等温直流积分反应器，研究了在BX型中温变换催化剂上CO变换反应的本征动力学。
- Everlasting anti-static performance; no influence of time 、 temperature and humidity. 防静电效力持久，不受时间、温度、湿度的影响；
- The loss of exergy and their distribution in all low temperature shift systerm in ammonia plant are analyzed. Exergy calcuation method and application example are given. 根据热力学原理,分析了合成氨厂全低变系统的(火用)损失及其分布情况,给出了(火用)的计算方法并列举了应用实例。
- With the action of some bivalent cation, high temperature shift catalyst has been prepared by mixture precipitation method using open-hearth dust as a raw material. 利用钢铁厂平炉尘制备中温变换催化剂,制备成本低,工艺简单,活性达到部颁标准,具有明显的经济效益
- The influence of alumina addition on the bulk density, mechanical strength, activity and thermal stability of high temperature shift (HTS) catalyst was studied in laboratory. 实验室研究了添加氧化铝对中温变换催化剂堆密度、机械强度、活性和热稳定性的影响。
- Mostly include material manage and culture medium preparation and proportions of fungus,and the factor of time temperature wet and room humidity and aerate in ferment process. 主要研究原料处理、培养基制备、以及混菌比例和发酵的时间、温度、湿度、空间湿度、通气性等因素对发酵产物粗蛋白含量的影响 ;从而获得最佳发酵条件 .
- The influence of concentraion、milling time、temperature and dispersant on the rheology of mullite slurry is studied in this paper. 研究了固体浓度、研磨时间、温度和分散剂对莫来石泥浆流变性能的影响。
- The influence of hydrolysis time、temperature、acid concentration and solid to liquid ratio on xylose、arabinose and acetic acid concentration are assessed by single factor. 单因素法考察了水解时间、温度、酸浓度以及料液比对木糖、阿拉伯糖、乙酸浓度的影响,并用均匀设计法优化了麦糟水解条件,确定了水解的最佳工艺条件100。
- In this article the influence to mechanical properties of carbon fiber made by preoxidation retention time、temperature of low-oven and exhaust emission is discussed. 本文论述了预氧化停留时间和低温炉温度及其废气排放对碳纤维力学性能的影响。
- A new low alloy wear resistant steel heavy hammer was made, and the heat treatment, the microstructure and the Time Temperature Transformation curve (TTT) were also studied. 研制了一种新型低合金耐磨钢大型锤头,对其热处理工艺、显微组织和等温转变(TTT)曲线做了研究。
- The tools shift around in the car boot every time we turn a corner. 我们每次转弯，汽车行李箱里的工具就来回动。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久，就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- High temperature shift catalysts 高温变换催化剂
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨，他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
