The basic nitrogen compounds include pyridines and quinolines.
碱性氮化物包括吡啶和喹啉。
The solvent of pure furfural extracted the basic nitrogen in the diesel oil.
研究了以纯糠醛为溶剂脱除催化裂化柴油中的碱性氮化物；
A new chemical extraction to remove basic nitrogen was studied in this paper.
研究了脱除柴油中碱性氮化物的一种化学萃取法。
The effects of the temperature and LHSV on the removal rate of basic nitrogen were investigated.
分别考察了反应温度、空速对吸附剂的脱碱氮效果的影响。
The distribution of basic nitrogen compounds in FCC gasoline have no change during sweetening process.
脱臭前后FCC汽油中碱性氮化物种类和分布基本没有变化。
The test results show that 60% of the basic nitrogen can be removed from the Daqing coking diesel oil in this way.
实验结果表明，大庆焦化柴油经此种方法洗涤后，可脱除碱氮约60%。
The effects of basic nitrogen compound on the oxidation stability and light stability of Liaohe base oils were investigated.
首先考察了碱性氮化物对辽河基础油氧化安定性的影响，其次考察了碱性氮化物对辽河基础油光安定性的影响。
Water extraction is an economical and effective method that is applied to remove basic nitrogen compounds in FCC light gasoline.
水萃取法是脱除催化裂化轻汽油中碱性氮化物的经济有效的方法。
The results show that the removal of nitrogen compounds by TiCl 4 complexing is about 80%, and 90% for that of basic nitrogen compounds.
结果表明：四氯化钛对总氮的脱除率为80％左右，碱氮的脱除率可达90％以上； 二氯化铜对碱性含氮化合物的络合具有较高的选择性；
Effects of different of reagents and its catalyst oil ratio, concentration of alkali liquid on removal of basic nitrogen were investigated.
考察了试剂及剂油比、碱洗浓度对碱性氮脱除率的影响。
Total volatile basic nitrogen and aerobic bacterial count of the sample were measured simultaneously as the standard indicators of pork freshness.
同时采用挥发性盐基氮和微生物菌落总数检测实验进行对比分析。
A new stabilization additive was studied, it has good effect to improve the color change and sediments formation of FCC diesel fuel containing non-basic nitrogen compounds.
新研制的柴油安定性添加剂对抑制由非碱性化合物引起的催化裂化柴油的颜色变深和沉渣生成有较好的效果。
The analysis shows that total sulfur and basic nitrogen contents of the refined diesel have been greatly reduced and the complex adsorbent has no affection on other properties of diesel.
对精制后柴油的分析表明：复合吸附剂能够大幅降低油品中的总硫和碱性氮含量，对油品其它性质无大的影响。
The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.
考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。
Histamine, volatile basic nitrogen (VBN) and total acid values are recommended to be used in the integrated assessment of fish meal quality as they are important parameters of its freshness.
组织胺、总挥发性氮和酸价是鱼粉鲜度的重要参数，可做为鱼粉质量的综合评价指标。
These components have been characterized by spectroscopic methods (FT-IR), namely acid number, basic nitrogen number, ultimate analysis and molecular weight measurements using vapor pressure.
之后对这些组分进行了元素、酸碱值、相对分子质量及红外光谱等组成结构测定。
Firstly, the trends of TAN and basic nitrogen contents (BNC) were investigated under different mass mixing ratios blending CGO with acidic crudes in order to obtain the optimal mass mixing ratio.
首先，考察了CGO与高酸原油按照不同质量比物理混合时，混合油样的酸值和碱性氮含量随混合比的变化规律。
In order to meet the feed requirements for FCC, shale oil was treated by oxidation and complexation, to extrude the basic nitrogen components and to reduce the total nitrogen content of shale oil.
通过对页岩油氧化、络合，脱出原料油中的碱氮成分和降低总氮含量，从而满足页岩油进行催化裂化的进料要求。
A process for the removal of basic nitrogen compounds from light gasoline by extraction is studied. The effects of extraction conditions on the removal of basic nitrogen compounds are investigated.
通过研究萃取法脱除催化裂化轻汽油中能使醚化催化剂失活的碱性氮化物的工艺，考察了各种工艺条件对碱性氮脱除率的影响。
The etherification process of FCC light gasoline meets the requirement of producing clean gasoline, while the basic nitrogen compounds can deactivate the etherification catalyst-sulfonic acid resin.
催化裂化轻汽油醚化工艺适应了生产清洁汽油的要求，轻汽油中含有的少量碱性氮化物中和阳离子交换树脂催化剂的酸性，造成催化剂失活。
The strongly basic, weakly basic and non-basic nitrogen contents and acid values of the residues and their fractions were determined with non-aqueous potentiometric titrations and elementary analysis.
用非水电位滴定法和元素分析法测出了减渣及其各个组分的酸值、强碱氮含量、弱碱氮含量和非碱氮含量。
A third is certain basic chemicals such as carbon, oxygen and nitrogen.
第三种是某些基本的化学物质，如碳、氧和氮。
Agriculture's third basic input is nitrogen.
农业的第三个基本输入是氮。
Life on Earth requires six basic ingredients-carbon, hydrogen, nitrogen, oxygen, sulfur and phosphorus.
构成地球生命需要六项基本要素：碳、氢、氮、氧、硫、磷。
The basic formulation and rheological properties of nitrogen foam fracturing liquid have been studied in laboratory.
对氮气泡沫压裂液的基本配方和流变性能进行了室内评价研究。
The simulated test mainly simulates the basic situation of the farmland, determines the content of nitrogen in soil drench solution, and adopts semi-micro Macro Kjeldahl method.
模拟试验主要模拟农田的基本情况，测定土壤淋溶液中氮的含量，采用半微量开氏法。
The methods for determining total nitrogen and basic nitrides content in diesel oil are described.
介绍了测定柴油中总氮及碱性氮含量的各种方法。
Grain number per spike, protein and its component contents decreased with the increase of basic seedling number at the same nitrogen application amount.
在氮肥施用量相同时，基本苗增加，每穗粒数、蛋白质及其组分含量均呈下降趋势。
Grain number per spike, protein and its component contents decreased with the increase of basic seedling number at the same nitrogen application amount.
在氮肥施用量相同时，基本苗增加，每穗粒数、蛋白质及其组分含量均呈下降趋势。
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