氨的合成主要经过四道工序。
氨的合成主要经过四道工序。
它发现了铁催化合成氨的催化反应。
首先，这些肥料的生产成本高，要知道合成氨的生产过程所使用的能量占世界全部消耗的2%，含磷矿石的开采正在日益加剧地球上有限资源储量的衰竭。
They're costly to make, for one, since the production of ammonia now accounts for roughly 2 percent of global energy use, and mining for phosphorus is depleting the planet's finite reserves.
在不增加能源消耗的情况下，采用先进的工艺设备和控制方案来提高合成氨产量，降低了生产成本。
Under the consume of energy is not added, the output is increased and production cost of synthetic ammonia is reduced by advanced process equipment and control scheme.
氨曾是一个较难合成的基本化工原料。
Ammonia has been one of the more difficult basic chemicals to synthesize.
此法不仅妥善解决了高性能ZA-1Q球形氨合成催化剂的连续成球问题，而且已为达国际领先水平的最新型氨合成催化剂的混合料配方所采用。
This method not only solves the continuous globing of high effective ZA-1Q globular catalyst of synthetic ammonia, but also is adopted by international advanced mix catalyst of synthetic ammonia.
本次设计的主要工作包括：确定合成氨工段循环离心压缩机的结构形式、主体结构尺寸，并确定主要零、部件的结构尺寸及其选型。
The design of the main tasks are: identification ammonia Section cycle centrifugal compressor structure, the main structure size, and identify key zero, parts of the structure and size selection.
氢在化学工业中用于合成氨和蔬菜、动物油和脂肪的氢化作用。
Hydrogen is used in the chemical industry to synthesize ammonia and in the hydrogenation of vegetable and animal oils and fats.
论文研究是围绕以二硫化碳和氨为原料合成硫氰酸铵的反应过程进行的。
The research is enclosed the reaction between ammonia and carbon disulfide in the synthesis of ammonium thiocyanate.
作者发明了一种高效制造球形氨合成催化剂的新方法。
A new method for manufacture of spherical ammonia synthesis catalyst was described in this paper.
压缩机是合成氨系统的关键设备之一。
Compressor is one of main equipments in synthetic ammonia system.
箭头所指的地方是我曾经工作过的合成氨车间。
The arrow's place is the synthetic ammonia workshop I formerly worked.
阐述了氨合成催化剂的种类、研究和使用概况，指出了氨合成催化剂的发展前景与开发方向。
The sorts, research and application situation of the ammonia synthesis catalyst were described. The prospect and direction of development were pointed out.
建立了计算最佳温度下的氨合成最大反应速率模型，提出了模型的数值解方法；
The mathematical model was established for calculating the maximum reaction rate of ammonia synthesis at optimum reaction temperature and the value solution method for the model was presented.
分析了合成氨废水的水质和主要污染物。
Water quality and pollutant of wastewater in synthesis of ammonia is analysed.
合成氨分离普遍采用的冷凝分离法不仅能耗高，而且不利于氨合成压力大幅度降低。
For common condensation separation of synthesis ammonia, the energy consumption not only is high, but it is disadvantageous that the synthetical pressure is decreased largely.
结合合成氨装置联锁管理现状，提出在合成氨装置采用ESD的可行性和必要性。
The necessity and feasibility of using ESD in ammonia plant are presented in the light of the interlock management situation.
实践证明，电解氢用于氨合成是完全可行的，经济效益十分显著。
Practice proves that the use of electrolytic hydrogen in ammonia synthesis is totally feasible, with marked economic benefit.
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 influences of temperature, pressure, space velocity and ratio of hydrogen to nitrogen on the activity of ruthenium based ammonia synthesis catalyst were investigated.
加拿大有丰富的天然气资源，用于合成氨、尿素、甲醇和乙烯的生产。
Canada is rich in natural resources, for ammonia, urea, methanol and ethylene production.
本文在对合成氨装置的工作及滑参数调节进行简要的分析后指出，在合成氨装置中应用滑参数调节是可行的、合理的。
A preliminary study of the operation of the ammonia plant and the performance of the control with sliding pressure shows that the use of the control with sliding pressure is feasible and rational.
本文还运用所提出的方法，评价了不同类型的氨合成反应器。
Various types of ammonia synthesis reactors were evaluated by means of the proposed model.
以天然气为原料造气生产合成氨，其生产工艺的选用直接影响着合成氨成本和能耗的高低。
The process of feed gas reforming adopted in ammonia plant based on natural gas is directly rela-(ted) to cost and power consumption.
介绍了一种新的合成氨方法热平衡低温等离子体法。
A new method on synthesizing ammonia, heat equilibrium low temperature plasma method, is introduced.
选择合适的方案，对合成氨稳产、高产起着不可估量的作用，经济效益可观。
Selection of an appropriate scheme plays an inestimable role in the stable and high output from synthesis, yielding considerable economic benefits.
综述了酶法合成头孢氨苄的工艺方法研究进展。
The advances in the process technology for the enzymatic synthesis of cephalexin are reviewed.
综述了酶法合成头孢氨苄的工艺方法研究进展。
The advances in the process technology for the enzymatic synthesis of cephalexin are reviewed.
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