硝酸盐

我们需要降低水中的硝酸盐含量。

We need to cut nitrate levels in water .

英格兰东部因大量使用化肥导致土壤硝酸盐浓度过高。

High levels of nitrate occur in eastern England because of the heavy use of fertilizers .

硝酸盐由土壤渗入江河。

Nitrates leach from the soil into rivers .

流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。

Springs and rivers that drain into lakes carry dissolved nitrates and phosphates

硝酸盐在食品加工业中被用作防腐剂。

Nitrates are used as preservatives in food manufacture

在严重或顽固性病例中，个别的可用硝酸盐烧灼。

In severe or refractory cases , cauterization of the individual lesions with nitrate has been used .

硝酸盐去氧后转化为亚硝酸盐

Nitrate was aerobically reduced to nitrite .

硝酸盐分解法制备Al2O3/Cu复合材料的组织和性能

Microstructure and Properties of Al_2O_3 Composites Prepared by Decomposition of Nitrate

钾对日光温室黄瓜糖、维生素C、硝酸盐及其相关酶活性的影响

Effects of potassium on sugar , vitamin C , nitrate contents and their relevant enzymes of cucumber in solar-greenhouse

硝酸盐分解法制备Al2O3弥散强化铜基复合材料的研究

Al_2O_3 Dispersion Strengthened Copper Composite Manufactured by Decomposing of Nitrate

而硝酸盐的含量、肠杆菌数量与pH值在整个过程中一直降低。

The content of nitrate content , the number of Enterobacteriaceae and pH has been reduced .

研究了硝酸盐溶液起始浓度和pH值对产物性能的影响。

The effect of solution initial concentration and pH value on the properties of the final powder was investigated .

B反应、无机N源利用、柠檬酸盐利用呈阳性，硝酸盐还原试验大多呈阳性；

B reaction , inorganic nitrogen sources utilization and citrate utilization , the results were positive . Nitrate reduction experiment presented positive largely .

有机物和氮肥对牧草土壤硝酸盐淋溶和N2O排放的影响

The Effect of Dairy Effluent and Nitrogen Fertilizer on Soil Nitrite Leaching and N_2O Emission in the Pasture System

氮肥施用量对生菜产量、硝酸盐积累及土壤EC值、pH值的影响

Effects of N Application Rates on Yield , Nitrate Accumulation of Lettuce and EC , pH Value of Soil

初始pH值为4.5时，不同初始浓度硝酸盐的催化还原反应为一级反应。

When initial pH value of 4.5 and at different initial concentration of nitrate , the catalytic reduction followed a first order kinetics .

不同生长发育阶段三种野菜中硝酸盐、亚硝酸盐及Vc的含量

The contents of nitrate , nitrite and Vc at different growth stages in leaves of 3 wild vegetables

水环境硝酸盐氮污染研究新方法&~（15）N和~（18）O相关法

New Way in NO_3 ~ N Contamination Study of Water Environment : Correlative Method of ~ ( 15 ) N ~ ( 18 ) O

钙通道阻滞剂和硝酸盐是用来降低LES压力。

Calcium channel blockers and nitrates are used to decrease LES pressure .

甘氨酸-硝酸盐法制备中温SOFC电解质及电极材料

Electrolyte and Electrode Materials of Intermedium-temperature SOFC Prepared by Glycine-nitrate Process

抗氧化剂异VC钠有一定的阻止硝酸盐还原成亚硝酸盐的作用，而苯甲酸钠无此作用。

VC - Na antioxidant could prevent the reduction from nitrate to nitrite in some exten , but sodium benzoate could not .

综合Mo6+的对硝酸盐氮和COD去除的影响规律以及对活性污泥TTC-脱氢酶活性的影响，认为Mo6+在质量浓度为1mg？

Based on the integrated effect of molybdenum on nitrate and COD removal , 1 mg ?

不论何种夏季气候型，遮阳网覆盖均明显地提高了出苗率，但产品内涵品质如VC，蛋白质等含量均下降，硝酸盐积累也增多。

Compared with non-shading culture , the product internal quality , such as content of vitamin C and protein decreased , but nitrate accumulation increased .

结果表明，肥料C在降低辣椒、白菜和茄子硝酸盐含量，提高辣椒和白菜中Vc含量等方面优于其它两种肥料。

The results showed that the microbial C was more efficient than others in decreasing the contents of - N , and increasing that of Vc in pepper and cabbage .

N肥是蕹菜硝酸盐积累的主要因素，随着氮肥施用量的增加植株体内硝酸盐含量显著增加。

The result indicated : ( 1 ) N was the main factor in nitrate accumulation , and the nitrate content of water spinach significantly increased with the rising of N fertilization amounts .

稀土硝酸盐邻香兰素对甲苯胺Schiff碱配合物的热分解动力学机理分析

Analysis of kinetic mechanism of thermal decomposition about rare earth nitrates with Schiff base derived from o-vanillin and p-toluidine

通过对亚硝酸盐和硝酸盐与NR活性的相关分析得出，二者与NR活性的相关均未达到显著水平。

To analyse correlativity of NR activity and nitrite and nitrate content , the related of them is not significant .

增施M2、M3，能够降低油菜生物量和硝酸盐含量。

The biomass and the nitrate content of rape was decreased by applying M_2 and M_3 with low dose of nitrogen fertilizer .

水分对蔬菜VC、蛋白质和硝酸盐含量的影响较小；

The effects of nitrogenous fertilizer on the change of the content of VC , protein and nitrate in vegetable tissue product were greater than those of water .

重稀土硝酸盐与单N-乙酸取代O2N2大环配合物的合成与表征

Diazo Rare-Earth Nitrates And Mono-N - Acetic Acid Take The Place of Combination And Character of O_2N_2 Great-Cycle Compound