我们需要降低水中的硝酸盐含量。
因为大量使用化肥，中西部地区的硝酸盐含量很高。
High levels of nitrate occur in the Midwest because of the heavy use of fertilizers.
测量颈总动脉直径和血清硝酸盐含量。
二是钾对硝酸盐含量的影响及相关机理。
The other is the effect and correlative mechanism of potassium on nitrate content.
对降低果品中硝酸盐含量的措施进行了讨论。
The measures for reducing the content of nitrate in fruits are discussed.
一些浮游植物可以通过固氮在硝酸盐含量较低的地区生长。
Some phytoplankton can fix nitrogen and can grow in areas where nitrate concentrations are low.
番茄果实硝酸盐含量随着K2O用量增加而下降。
Nitrate content in fruit decreased with the increase of K2O.
本文提出了降低蔬菜硝酸盐含量的若干农业措施。
This paper puts forward some agricultural measures to decrease nitrate in vegetables.
一些河段已经很难达到饮用水的硝酸盐含量标准。
Segments of the river have been finding it difficult to meet the drinking water standard for nitrates.
张家口冲-洪积扇区地下水中的硝酸盐含量逐年升高。
The Nitrate concentrations in groundwater in the alluvial - diluvial fan of Zhangjiakou area has increased year by year.
硝酸盐含量与可溶性糖含量之间的关系因叶菜种类而异。
The relationship between nitrate and soluble sugars varied with the species of the vegetables.
小白菜器官中硝酸盐含量表现为：叶柄（茎）﹥叶片﹥根。
The nitrate content of Chinese cabbage organ was: petiole (stem)> leaves> root.
甜菜的亚硝酸盐含量高，经证明能增加大脑功能区的血流量。
They 're high in nitrites, which have been shown to increase blood flow in parts of the brain related to executive functioning.
甜菜的亚硝酸盐含量高，经证明能增加大脑功能区的血流量。
They're high in nitrites, which have been shown to increase blood flow in parts of the brain related to executive functioning.
对延边地区6类26种蔬菜，测定了硝酸盐和亚硝酸盐含量。
Analysed the content of nitrate and nitrite from 6 sorts and 26 samples in the region of Yanbian.
探讨用极谱催化法测定液体乳制品中硝酸盐含量的快速分析方法。
Study the rapid analytic method of nitrate content in determining liquid milk products by Osicillopolarographic method.
并提出了提高蔬菜品质和降低蔬菜硝酸盐含量的有效措施和建议。
Effective measure and suggestion to improve vegetables quality and reduce the content of nitrate have been put forward.
目的研究不同加工方法及加工后的存放对蔬菜中亚硝酸盐含量的影响。
Objective to study the effect of different processing methods and the storage after processing on the amount of nitrite in vegetable.
本文对西宁市12种新鲜蔬菜沸水烫漂前后硝酸盐含量进行了分析测定。
The paper determined nitrate content variation about 12 kinds of vegetables after boiled water blanching.
硝态氮使蔬菜硝酸盐含量迅速上升，铵态氮尤其氯化铵硝酸盐增加较少。
The nitrate nitrogen makes the vegetable nitrate quickly rising, the ammonium nitrogen especially the ammonia chloride nitrate decrease the nitrate content.
所以人们在日常生活中，尽量选择硝酸盐和亚硝酸盐含量少的蔬菜食用。
So the people should choose to eat the vegetables that it has few nitrate and nitrite in the daily life.
建立了化学抑制电导检测离子色谱法定性定量分析蔬菜硝酸盐含量的方法。
An ion chromatographic method for qualitative and quantitative analysis of nitrate in vegetables was established.
叶菜类蔬菜中的亚硝酸盐含量及其变化速率均明显高于瓜果类和根茎类蔬菜。
The nitrite contents and its change speed in leaf vegetables was obviously higher than that in melon or fruit vegetables and root or stem vegetables.
根域体积的限制提高了黄瓜果实的干物质含量，显著降低了果实硝酸盐含量。
Fruits dry matter content increased because of rooting-zone volume restriction, but nitrate content decreased.
论述活性炭吸附和紫外线照射对饮用水中亚硝酸盐含量影响的实验方法和结果。
This article discusses the test methods and results that activated charcoal absorption and ultraviolet radiation effect on the contents of nitrite in drinking water.
结果表明，腌渍后20天内，腌渍品的亚硝酸盐含量出现峰值，然后逐渐下降。
The results showed that there were highest value of nitrites content in the dipping cabbage in 20 days, then nitrites content reduced.
结果表明：烫漂处理后，有5种蔬菜硝酸盐含量下降，7种蔬菜硝酸盐含量上升。
Results showed that there were 5 kinds of vegetables nitrate content decreasing and 7 kinds of vegetables increasing.
通过田间试验研究了氮肥品种组合及不同肥料配施对芹菜生长和硝酸盐含量的影响。
The influence of nitrogen fertilizers breed and different fertilizer compounds on growth and nitrate content of celery were studied by field experiment.
施用有机复肥使小白菜和茶叶的硝酸盐含量下降，番茄的次果率减少而贮藏期延长。
Applying with organic-inorganic fertilizer made nitrate content of cabbage and tea decrease, tomato less inferior fruits and longer shelf life.
莴笋叶片硝酸盐含量与全氮、蛋白氮、全磷、蛋白磷和蛋白钾含量呈极显著负相关。
There were significant negative correlations between nitrate content and total n, protein n, total p, protein p, protein K of lettuce leaf.
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