有些地区虽然富含氮化合物，但浮游生物却很少。
Some areas, though rich in these nitrogen compounds, have few plankton.
浮游生物通常在海洋表面附近某些含氮化合物浓度足够高的区域大量繁殖，而海洋表面正是浮游生物生存的地方。
Plankton generally thrive in areas of the ocean with sufficient concentrations of certain nitrogen compounds near the surface, where plankton live.
调制后烟叶的总糖含量下降，含氮化合物增加。
The contents of total sugar decreased and nitrogenous substance increased.
含氮化合物如尿的主要组成成分尿素则经过几步被转化。
Nitrogen compounds, like urea, a big component of urine, are transformed over several steps.
此外还有少量的矿物质，非蛋白类含氮化合物及维生素。
Smaller quantities of minerals are also present, together with non-protein nitrogenous components and vitamins.
烟叶钾含量增加，含氮化合物下降，刺激性减小，香气增加。
Potassium content increased in tobacco leaf, the nitrogenous substances decreased, irritancy reduced and aroma increased.
经磷钼酸和碘化铋钾薄层显色表明抗生素粗品中有含氮化合物。
TLC spray reagents of phosphorus molybdenum acid and bismuth potassium iodide indicated that it maybe contained the composition of alkaloids.
土壤及海洋中的细菌分解含氮化合物时，也天然地产生这种气体。
The gas is also produced naturally when bacteria in the soil and oceans break down nitrogen-containing compounds.
是用硫酸处理油品，可除去某些含硫化合物、含氮化合物和胶质。
Use sulphur acid treatment oil, but divided by some includes the sulphur compound, includes the nitrogen compound and colloid.
利用水培研究了氮素水平对冬小麦分蘖期某些含氮化合物及生物量的影响。
Water culture experiment was carried out with winter wheat at the tillering stage to study the influence of nitrogen level on some nitrogenous substances and biomass of wheat.
评吸结果表明：添加适量的糖和含氮化合物对改善白肋烟吸味有明显效果。
The results showed that smoking quality of the domestic burley tobacco was significantly improved by applying proper amounts of sugars and nitrogenous compounds.
选择该经活化的含氮化合物以及非氧化杀生物剂的用量以获得协同杀生物作用。
The amount of activated nitrogenous compound and non-oxidizing biocide is selected to result in a synergistic biocidal effect.
本文提出了一套新的用来确定酮、醛、醚和含氮化合物第二维里系数的新方法。
A new method for determining second virial coefficients of ketone, aldehyde, aether and nitrogenous compounds was developed based on the corresponding-states principle.
结果表明，原油中含氮化合物的分布和组成特征较好地指示了该区的油气运移效应。
The results showed that the distribution and composition characteristics can indicate oil fractionation effects.
K326生长期间进行打顶和未打顶处理，研究鲜烟叶片蛋白酶及含氮化合物的变化规律。
Disposing with topping and not topping in K326 growth duration, researching the change law of protease and nitrogen compound in fresh tobacco leaves.
应用石油含氮化合物分布研究石油运移是目前国内外有机地球化学研究领域的一个新方向。
It is a novel studied field in organic geochemistry using amount and distribution of nitrogen compounds in crude oils to study petroleum migration.
实验表明：随着氯离子浓度的不断提高，对微污染水的含氮化合物的去除效果也随之提高；
The removal effects on nitrogenous compounds of the change of the chloride concentration in the water by electrochemical method were investigated.
黄水中含有大量的含氮化合物、 还原糖及醇、醛、酸、酯等香味物质以及有益微生物菌群。
Yellow water contains large amount of nitrogen compounds, reducing sugar, alcohols, aldehyde, acids, esters, flavoring substances and some beneficial microflora.
从FCC催化剂碱氮中毒机理、含氮化合物的转化等角度分析了含氮化合物对催化裂化的不利影响。
The nitrogen poisoning mechanism of FCC catalysts and the catalytic conversion of nitrogen-containing compounds are summarized.
在塔里木盆地塔中地区的原油中分离和检测到咔唑类含氮化合物，并成功地将其应用于油气运移研究。
Carbazole compounds were fractionated and detected in oils from the Central Tarim district, Tarim Basin, and these nitrogen compounds were utilized for research work of oil migration successfully.
很多真菌的菌丝壁与其他植物不同，是由被称做几丁质或菌质纤维素含氮化合物构成的微纤维所组成。
The hyphal walls of most species of fungi differ from those of plants in being composed of microfibrils of a nitrogenous compound called chitin or a form of fungal cellulose.
重质油中，无论是中性含氮化合物的绝对浓度或是其比值指标都降低，严重影响了原油运移途径的判别。
In heavy oil, not only the absolute concentrations but also the ratio indicators of neutral nitrogen compounds are too low to distinguish the oil migration path.
随着运移作用的加强，含氮化合物绝对浓度下降，“屏蔽”型与“暴露”型或“半屏蔽”型化合物的比值增加。
With the increasing of oil migration effects, the concentration of nitrogen compounds decreased whereas the ratios of shielded nitrogen compounds to exposed or semi-shielded ones increased.
应用该协同混合物的方法需要向水系统中加入有效量的经氧化剂活化的含氮化合物以及至少一种非氧化杀生物剂。
The method of using the synergistic mixtures entails adding an effective amount of a nitrogenous compound activated by an oxidant and at least one non-oxidizing biocide to an aqueous system.
采用固定床微反活性实验装置，以甲苯、十六烷、四氢萘为溶剂，研究了碱性含氮化合物喹啉的催化裂化转化规律。
Quinoline catalytic cracking was studied on a fixed-bed microactivity test unit by using toluene, cetane, and tetralin as solvent.
采用固定床微反活性实验装置，以甲苯、十六烷、四氢萘为溶剂，研究了非碱性含氮化合物吲哚的催化裂化转化规律。
Indole catalytic cracking was performed on a fixed-bed microactivity test unit by using toluene, cetane, and tetralin as solvents.
膜表面滤饼成分分析表明，除了生物去除之外，通过截留大分子溶解性和胶体含氮化合物，金属膜在脱氮方面发挥重要作用。
The component analysis of filter cake on membrane surface showed that metallic membrane played a very important role in TN removal by retaining macromolecular soluble and colloid compounds.
通过人工调控晾房湿度，对白肋烟晾制期间高、中、低3种湿度条件下烟叶含氮化合物（蛋白质、烟碱和叶绿素）的变化进行了研究。
The changes of nitrogenous compounds (protein, nicotine and chlorophyll) in burley tobacco leaves during air-curing under 3 different barn humidities controlled artificially were studied.
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；
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；
The results show that the removal of nitrogen compounds by TiCl 4 complexing is about 80%, and 90% for that of basic nitrogen compounds.
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