盐含量

我们需要降低水中的硝酸盐含量。

We need to cut nitrate levels in water .

莴苣茎叶中硝酸盐含量均以C处理最低。

The nitrate content of C treatment was the minimum in lettuce stem and lettuce leaves .

Si，N和P营养盐含量的空间波动程度存在明显的年际差异；

The annual difference of the spatial fluctuation of Si , N and P content was observed obviously ;

结果表明几种植物汁液和汁液生物肥均能提高辣椒产量、改善品质，尤其在提高辣椒维生素C和降低硝酸盐含量上效果明显。

The results showed that all of the juices and juice bio_fertilizers could raise the yield and improve the quality of hot pepper .

收获前3d停止供氮能使叶用萝卜体内的硝酸盐含量显著下降，特别以停氮1后下降幅度最大，而后逐渐平缓。

The treatments being deprived of N within 3 days before harvest showed significant decrease of nitrate content , especially within 1 day before harvest .

本研究对萝卜4个雄性不育系杂交组合和10个商品种F1代及其F2代进行硝酸盐含量测定分析。

Four male sterile lines and their hybrids , ten F1 radish varieties and their F2 populations were employed for nitrate content analysis .

针对芦荟叶片中果胶和钙盐含量较高等特点，通过比较2种不同的工艺路线，确定了2步沉淀与超滤相结合制备芦荟多糖（AP）的方法。

In order to get rid of pectic substances and calcium from aloe polysaccharide ( AP ), two methods were compared .

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 .

蔬菜增产效果明显，与不施淤泥的对照相比，蔬菜增产4.1%～13.5%，并能提高品质，蔬菜中维生素C含量增加，硝酸盐含量下降。

Vegetable yield was increased by 4.1 % - 13.5 % , as compared with the control and the quality of the vegetable including increase of vitamin C content and decrease of nitrate content was improved .

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 .

综述了硒（Se）在改善农产品品质、保证农产品质量安全（包括增强植物的抗逆性、抵抗某些重金属毒害、降低农产品中硝酸盐含量）、提高农产品保健价值方面的作用。

Effects of Se on agricultural products quality were reviewed , which included the quality improvement , the quality safety ensured and the value enhancement on health care .

现代城市由于人口过度膨胀而导致的住房拥挤、交通堵塞、城市环境恶化等现象使城市人们向往更富自然、生态气息的绿色空间。House的基本营养成分和硝酸盐含量进行了测定分析。

Population expansion in modern cities caused the problem as the house crowding , the traffic jam , and urban environment worsening and so on . This phenomenon make the city people yearn for a green space contains more naturality and ecology .

当蔬菜叶片中游离按一N十酞胺一N含量较高时抑制了硝酸还原酶活性，影响了蔬菜对NO3一N同化，使蔬菜叶片硝酸盐含量提高。

When the content of ammonium-N + amide-N in leaves of vegetables lied in high level , they inhabited the nitrate reductive activity , therefore , the content of nitrate increased in leaves of vegetables .

对采收时生菜品质的分析表明，生菜体内的硝酸盐含量随着营养液浓度的增加而迅速上升，2个单位营养液浓度处理下生菜叶片中硝酸盐、可溶性糖和可溶性蛋白质R含量最高。

The nitrate content in the leaves increased significantly with the concentration of nutrient ( solution ), and the highest nitrate content , soluble protein content and soluble sugar content were in the treatment of 2 unit nutrient solution .

将酶添加到一些硝酸盐含量超标食品中，在最适反应条件下，经过12h亚硝酸盐含量可以降低到国家安全标准以下。

In the optimal reaction system , nitrite can be reduced under the national standards after 12 hours by adding enzyme to the food .

NO处理后，硝酸还原酶活性升高，硝酸盐含量降低，Vc和可溶性蛋白质含量增加，小白菜品质得到明显改善。

The application of nitric oxide increased the activity of nitrate reductase , decreased the accumulation of nitrate and increased the contents of Vc and soluble protein , leading to improved quality of Chinese cabbage .

通过实验研究了电流密度、温度和主盐含量对镀液电流效率的影响，并与常用的碱性P盐槽液、酸性P盐槽液和DNS槽液进行对比。

Were developed and compared with the common baths of alkaline P salt , acidic P salt and DNS . The influences of current density , temperature and major salt content on the current efficiency of each bath system were studied .

无机盐含量丰富，尤其是微量元素Zn和Se；游离氨基酸中，牛磺酸含量最高达1.38%，占总量的74%。

Taurine is as high as 1.38 % , which accounts for 74 % of the total free amino acid . The edible part of pearl oyster is rich in minerals , especially microelements Zn and Se .

控释氮肥能显著提高甜椒Vc和可溶性糖的含量，降低可滴定酸的含量，但各控释氮肥处理甜椒硝酸盐含量差异不显著。

Controlled release nitrogen fertilizer can significantly improve the Vc and soluble sugar content , lower acid content , but each of the controlled-release nitrogen fertilizer nitrate content of sweet pepper was no significant difference . 4 .

共混体系的熔融热焓随离聚物Na盐含量的增加有所降低，随Zn盐含量的增加稍有提高，两者的熔点及熔限与熔融热焓的变化规律一致。

However , the melting enthalpy of PET in the blends increases when the content of ionomer Zn salt increases . The change tendency in melting point of PET in the blends is consistent with that of melting enthalpy .

且0～20cm土层的硝酸盐含量普遍高于同时期20～40cm土层的硝酸盐含量。

0 ~ 20cm soil layer 's nitrate content was higher than the correspondent 20 cm ~ 40 cm soil layer 's .

叶菜类蔬菜中硝酸盐含量随氮肥用量增加呈上升趋势，其中菠菜最为明显，追肥后10d出现硝酸盐积累高峰。

Nitrate content of leaf vegetables increased with higher fertilizer application , and it reached summit after ten_day top application , which spinach was most obvious .

研究了铵态氮肥（NH4）2SO4、硝态氮肥NaNO3及硝化抑制剂双氰铵（DCD）对叶菜用甘薯光合特性、茎叶产量以及硝酸盐含量的影响。

This paper studied the photosynthetic , edible-vine yields and nitrate accumulation of vine-vegetable sweetpotato character by using the ( NH_4 ) _2SO_4 , NaNO_3 and Nitrification inhibitor DCD .

施用经混合发酵研制的水葫芦有机肥可显著提高菜豆产量，有效改善菜豆品质，主要表现为可溶性糖、粗蛋白质和Vc含量增加，硝酸盐含量减少。

Water hyacinth organic fertilizer can increase the yield of kidney bean significantly , improve the quality of common bean effectively , which presents in the aspects of increased soluble sugar , crude protein and Vc content and decreased nitrate content . 4 .

通过野外调查与室内分析，得到以下研究结论：1.超载过牧造成草地退化，致使土壤容重增大，总盐含量、pH值显著升高（p0.05），有机质含量升高。

Through sample analysis , data processing , main results were as follows : 1 . Increase in soil bulk density and organic matter content was result of the grassland degradation caused by overgrazing . The total salt content and pH were increased significantly ( p0.05 ) .

施用长效碳酸氢铵（MAB）和长效尿素2（SRU2）的油菜硝酸盐含量分别比对照降低18.0%和9.9%。

The application of modified Ammonium bicarbonate ( MAB ) and slow-release urea 2 ( SRU2 ) notably reduced nitrate content in rape .

研究表明：那曲河地区冻土区冻土主要为颗粒较细小的粉质粘土：土样易溶盐含量较高，为12.01%，主要盐分为氯化钠NaCL和氯化钾KCL；

The study show that the frozen earth in this area is mainly silty clay . The content of the dissolvable solt is relative high , which is 12.01 % , and the main salinity is NaCL and KCL .

在北方连作蔬菜地休闲时期种植填闲作物（甜玉米），研究了不同施氮处理下填闲作物的种植对下茬作物菠菜产量、硝酸盐含量和土壤NO3-N含量的影响。

Effect of nitrogen-catch crop ( sweet maize ) on vegetable yields and nitrate content of vegetable rotation system in north China was studied .

在投入养分量相等条件下，腐植酸能显著降低油菜体内硝酸盐含量，提高VC、可溶性糖含量及SOD、POD、NR活性，且以腐复肥4号（HA-NPK-Zn）效果最好。

With equal-nutritional quantity , HA compound fertilizer apparently decreased the NO_3-N content and increased Vc , soluble sugar content and SOD , POD , NR activities . Moreover , number 4 ( HA-NPK-Zn ) was the best among them .