总氮含量测定采用凯氏定氮法。
Micro - Kjeldahl method was developed to determine total nitrogen.
实践证明，改进的凯氏定氮装置完全可以满足常量定氮分析。
The practice proved that the improved equipment of Kjeldadhl method can meet the requirements of constant nitrogen analysis completely.
用凯氏定氮法测得此条件下的蛋白质的水解率可达80.7%。
The protein hydrolysis ratio in this condition determined by Kjeldahl nitrogen method had reached 80.7%.
在碱性条件下，用原子荧光分光光度计直接测定氨的吸收，建立了定氮新方法。
The new method of determination of nitrogen content was established by directly determining the absorption of ammonia in the alkaline medium with atomic fluorescence spectrophotometer.
用凯氏定氮法测定总氮含量，研究温度、消化时间及样品用量对野生竹红菌消化过程的影响。
The total nitrogen(N) content was determined with Kjeldahl to study the influences of temperature, digesting time and sample dosage on the course of digesting wild H.
经t检验证明，该方法的测定结果与微量凯氏定氮法无显著差异，测定结果的相对标准偏差为3.1%。
There is no significant difference between the result of the method and that of micro-Kjeldahl′s method according tot test. The relative standard deviation is 3.1%.
对LNK871凯氏定氮快速蒸馏器和半微量凯氏定氮仪在蒸馏测定结果、蒸馏时间、回收率三个方面进行了比较试验。
The comparative test of LNK871 rapid Kjeldahl distiller and semi-micro Kjeldahl appearance was reviewed in this paper.
用双缩脲反应法可以测出发酵鱼粉中水溶性总肽的含量，用凯氏定氮法可以测出被沉淀的多肽的含量，从而可以计算出发酵鱼粉中寡肽的含量。
Total solvable peptide content in the fermented fishmeal was determined by using the biuret method, and polypeptide in the precipitate by using Kjeldahl method.
应用KDY-9820凯氏定氮仪测定羊肉中挥发性盐基氮，通过与半微量定氮法对比及精密度实验，结果表明KDY-9820全自动定氮仪能简便、快速、准确地测定肉中的挥发性盐基氮。
TVB-N of mutton was analysed by KDY-9820 type automatic azotometer, through compared with kjeldahl and studied the precision, accuracy and inaccuracy of KDY-9820 type automatic azotometer.
水中钙离子的存在，在一定程度上会降低氨氮的去除效果，但同时提高有机物的去除效果；
When calcium existed in water, the removal of ammonia-nitrogen was decreased to a limited extent, with a higher organic removal.
该模型的建立对于高氮不锈钢的合金设计及制备具有一定的指导意义。
The model plays an important role on the alloy composition design and manufacture of high nitrogen stainless steel.
取样间距对合理取样数目具有一定的影响，合理取样数目分别为：有机质（24）、全氮（34）、全磷（10）。
The reasonable sampling numbers for soil organic matter, total N and total P were 24,34 and 10 respectively.
一定水氮供应条件下，露地生产蔬菜地土壤硝态氮有可能淋洗到1.8米土体以下。
Under a certain water and nitrate treatments, soil nitrate in open-land vegetable field would move down below 180cm soil.
三聚氰胺，是一种含氮量非常高的物质，常被用于制造塑料和化肥。专家说一定含量的该物质会在食品加工处理的过程中从环境转移到食物中。
Melamine, which is high in nitrogen, is used to make plastics and fertilizers and experts say some amount of the chemical can be transferred from the environment during food processing.
强化过滤可以在一定程度上实现生化去除氨氮的工艺目标，而且用于现有水厂工艺升级改造具有可实施性。
Intensive filtration can achieve the technology target of removing ammonia-nitrogen to some extent, and it is enforceable for the technology transformation of drinking water plant.
采取一定的除气工艺，可以有效降低合金的氧、氮含量，提高合金的纯净度，改善它的冷热疲劳性能。
The oxygen and nitrogen contents can be efficiently removed by special degassing process, to improve thermal fatigue property of K424 alloy.
海湾沉积物中的有机质和氮、磷营养物质丰富与否，直接反映了底质环境的优劣。底质环境的好坏在一定程度上又直接影响生物的生存、发育及种类组成。
The abundance of organism, nitrogen and phosphorus in the sediment directly reflect the bottom environment which, influences to a certain extent the organisms, their variety and composition.
三株菌均可耐受一定的盐度，并能实现同步硝化反硝化，因此，对高盐度废水的脱氮处理具有很高的应用价值。
The three bacteria can achieve SND in hyperhaline environment, so they have a great application value for nitrogen removal of hyperhaline wastewater.
污水生物脱氮除磷工艺中，微生物在反硝化和吸磷时需要消耗一定的有机碳源。
In wastewater biological nitrogen and phosphate removal processes, microorganisms need to consume certain organic carbon sources both in denitrification and phosphorus uptake.
论文还探索性地研究了在该催化体系下取代二茂铁的重氮芳基化，对合成取代二茂铁类芳基化产物具有一定的指导作用。
Finally, we also investigated the arylations of substituted ferrocenes under the same conditions and the results may be a useful guidance for the synthesis of these compounds.
此外，单位质量的小颗粒含有更多氮也在一定程度上削弱了TN的初期冲刷效应。
In addition, more nitrogen absorbed by the unit mass small particles to a certain degree weakens the first flush of TN.
千粒重、容重与各项出粉率受氮磷肥影响程度各基因型间呈现一定差异。
The effects of nitrogen and phosphorus supply on 1000-grain weight, bulk weight and extraction rate of all sorts of flour differed obviously for different genotypes.
结果表明，氮离子注入对纯铁表面形貌产生了一定的影响，随着注入离子剂量的增加，材料表面的粗糙度也随之增加。
The results showed that, the surface morphology was changed since nitrogen ions implantation, with the increase of the implanted dosage of nitrogen ions, the surface roughness increased.
随着负荷、污水C／N比、温度、光照时间等因素的变化，氮磷去除呈一定的变化规律。
The removal rule of N or P in series ponds is affected by the changes of loading, COD…
本研究主要得出如下结论：植物在人工湿地系统中有着重要的作用，具有一定的去除氮、磷的能力。
We reach these conclusions:The plant is very important in constructed wetland , and it also have the ability of N , P removal .
本文主要介绍近年来钢水定氧、氮、氢和铁水定硅、硫传感器的技术进步及其应用进展。
This paper reviewed the recent progresses of the technologies and applications in oxygen, nitrogen, and hydrogen sensors for liquid steel and that of silicon and sulfur sensors for hot metal.
本研究表明，石灰氮在入侵生物福寿螺的防治方面有一定应用潜力，有望成为一种新型的“杀螺肥料”。
This study showed that calcium cyanamide had definite potential in controlling P. canaliculata invasion, being hopeful to be used as a kind of molluscicidal fertilizer in paddy field.
实验还表明了香蒲对污水中磷有很强的吸收作用，对氮也有一定的吸收。
We also observed absorption of P and N by typhaceae from polluted water.
实验还表明了香蒲对污水中磷有很强的吸收作用，对氮也有一定的吸收。
We also observed absorption of P and N by typhaceae from polluted water.
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