Two alternative methods measuring total nitrogen of aquaculture pond soils, named total Ammonia method and Nitrate method, were established.
本实验创立了二种水产养殖池塘底泥总氮含量简易测定法,分别称为总氨法和硝酸盐法。
Ammonia method, which has the advantages of low cost, simple process and no pollution, is suitable for the preparation of flame retardant grade m...
氨法具有低成本、工艺简单、环境友好等优点,用于苦卤提镁制取阻燃级氢氧化镁工艺可取得令人满意的结果。
Result showed that: the catalyst prepared by co-precipitating with nitrate showed better catalytic performance and texture than that prepared by ammonia method.
研究结果表明,用硝酸盐共沉淀法制备的催化剂,其性能和结构均优于用蒸氨法制备的催化剂。
METHODS: Each pharmacological action index was determined by concentrated ammonia method, windpipe capacity method, pinna swelling method and metabolic cage method.
方法采用氨水诱咳法、气管容积法、耳廓肿胀法及代谢笼法,测定各药理作用指标。
The technological process of desulphurization with H. P. F. ammonia method and its reaction mechanism are discussed, the main advantages concluded through the contrast.
主要探讨了H .P. F氨法脱硫的工艺流程及反应机理,通过对比说明该方法的优越性。
The method, now known as Golgi staining or Golgi impregnation, involves hardening of tissue in potassium bichromate and ammonia, followed by immersion in a silver nitrate solution.
这种现在被命名为高尔基染色法或者“高尔基浸渍法”的方法,包括在重铬酸钾和氨水中浸渍,使组织变硬,接着浸泡在硝酸银溶液中。
And also provides a method to calculate the installation height of ammonia liquid separator.
并提供了氨液分离器安装高度的一种计算方法。
By using the fact of tar exiscing in surplus ammonia water the SCCP condensation system, the reason of tar existing in surplus ammonia water is analyzed, and the method removing tar is discussed.
对于焦化厂冷凝系统剩余氨水带油的问题,从理论和实践分析了带油原因,并对剩余氨水除油方法进行了探讨。
We have used the iron salt dearsenic method in the alkaline ammonia immersion technology successfully.
将铁盐除砷方法运用于碱性氨浸工艺中获得成功,对操作条件进行了总结,对除砷机理作了解。
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.
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。
Biological pretreatment technology is an economic and efficient method to remove ammonia - nitrogen in micro - polluted raw water.
生物预处理是去除微污染源水中氨氮的一种经济有效的方法。
It proposes a method which improves reactivity of denitration products in hydrofluorination with ammonia reduction in order to produce high grade uranium tetrafluoride.
提出了一种在氢氟化过程中同时进行氨还原改善脱硝产品氢氟化反应性的方法,以便生产出高品位的四氟化铀。
Apply ion chromatography method on determining ammonia of indoor ambient air, which has more convenient operation, higher sensitivity, higher accuracy and better repeatability.
采用离子色谱法测定室内环境空气中的氨,具有操作简单、灵敏度高、准确度高、重现性好等优点。
The direct leaching method of roasted molybdenite with ammonia (or liquid ammonia) instead of aqueous ammonia has been described.
本文介绍了直接用氨气(或液氨)代替氨水浸出钼焙砂的方法。
Ethanolamines are commonly made by the method of reacting aqueous ammonia and ethylene oxide. Product profile, product quality and energy consumption are three key factors in ethanolamine process.
环氧乙烷氨解法是目前生产乙醇胺的主要方法,产品比例、产品质量及能耗是乙醇胺生产中的三个关键因素。
Therefore, this is a new method surpassing traditional iron catalyst series of iron ratio adjustment of synthetic ammonia.
因此,这是铁系氨合成催化剂铁比调整上突破传统的一个新方法。
A new method for manufacture of spherical ammonia synthesis catalyst was described in this paper.
作者发明了一种高效制造球形氨合成催化剂的新方法。
Objective: An improved method of ammonia nitrogen in drinking water was developed for the ammonia in workplace air.
目的:建立与生活饮用水氨氮测定相匹配的方法来检测工作场所中空气氨。
Most of the actual project using ammonia stripping method farms free ammonia in the wastewater to stripping.
在实际工程中大多采用氨氮吹脱法对猪场废水中的游离氨入行吹脱。
This paper puts forword a method of collecting ammonia in the air of workshop by silicagel tube replacing the big bubble collection , and analyzing quantitavely with Nashi - colorimetry.
本文提出了利用硅胶管代替大气泡采集车间空气中的氨和纳氏比色法定量分析的方法。
There is no accurate method for analyzing the reduction degree of pre-reduced catalyst for ammonia synthesis at present.
对预还原型氨合成催化剂还原度的分析,目前暂无相对准确的方法。
The paper aims at analysing several ammonia synthetic processes used in some middle and small-sized plants by the method of exergy analysis.
本文采用粗(米用)分析法对我国中小型合成氨厂的氨合成流程进行了分析比较,绘制了(米用)流图。
The corrosion performance of tubes of copper and 304 stainless steel in ammonia solutions with different ammonia concentration are studied by electrochemical polarization and weight-loss method.
采用电化学极化和失重法研究了纯铜管、304不锈钢管于开口、低氧密闭两种状态下在不同浓度氨溶液中的腐蚀性能。
Haber-Bosch process(Haber ammonia process, synthetic ammonia process):First economically feasible method of directly synthesizing ammonia from hydrogen gas and atmospheric nitrogen.
哈伯-博施法(亦称哈伯制氨法或合成氨法):用氢和空气中氮直接合成氨的方法。
A method combining qualitative and quantitative RBI analysis is adopted to carry out risk assessment on the synthetic ammonia plant.
采用定性和定量rbi分析相结合方法对合成氨装置进行风险评估。
This paper presents the analysis method of the inlet and outlet ammonia content in the ammonia converter by gas chromatography and proves its accuracy by experiments.
介绍利用气相色谱法测定氨合成塔进出口氨含量的分析方法,通过实验说明该方法的准确性。
The manufacture process of nicotinic acid based on ammonia oxidation method, which is introduced in this article, reached 99% conversion of 3-methyl pyridine.
本文介绍的基于氨氧化法生产烟酸的工艺,选择了适当的复合催化剂,使原料3-甲基吡啶转化率可达99%,技术水平达到国外先进水平。
This method can be used in monitoring ammonia in the air and industrial burned gases.
该方法可用于环境空气、工业废气中氨的监测。
This paper introduces a method of controlling ammonia lost, which is based on the principle of environmental system engineering.
介绍了利用环境系统工程原理控制氨流失的方法。
This paper introduces a method of controlling ammonia lost, which is based on the principle of environmental system engineering.
介绍了利用环境系统工程原理控制氨流失的方法。
应用推荐