nitrates

Results showed that carbonyl compou nds , organic nitrates , HCOOH and CO, were formed.

结果表明,产物中主要有羰基化合物 、 硝酸酯或过氧硝酸酯、甲酸(HCOOH)及CO等.

NASA scientists said Tuesday the Curiosity Mars rover found nitrates in Martian rocks. Nitrates are compounds that contain nitrogen, an element essential for life.

美国航空航天局的科学家们星期二说，火星探测器好奇号在火星岩石中发现了硝酸盐。硝酸盐中含有氮，而氮是维持生命的必要元素。

NASA scientists said Tuesday the Curiosity Mars rover found nitrates in Martian rocks.

美国航空航天局的科学家们星期二说，火星探测器“好奇号”在火星岩石中发现了硝酸盐。

Nitrates are most commonly used medicines to treat angina.

治疗心绞痛最常用的药物就是硝酸盐.

Our water supply is becoming polluted with nitrates.

我们的水源正受到硝酸盐的污染.

Utilizing the redox reaction of respective metal nitrates and urea, the long afterglow phosphors of CaAl_2O_4: Eu~ ( 2+), Nd~ ( 3+) was composed by combustion synthesis.

利用硝酸盐和尿素的氧化还原反应，通过燃烧合成法在较低的温度下合成了蓝紫色长余辉发光材料CaAl2O4：Eu~（2+），Nd~（3+）。

Nitrates leach from the soil into rivers.

硝酸盐由土壤渗入江河。

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

流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。

Complexation Thermodynamics of Bis ( crown ether) s V. Intramolecular Sandwich Complexation of Light Lanthanoid Nitrates with Bis ( benzo-15-crown-5) in Anhydrous Acetonitrile

双冠醚配位作用的热力学性质Ⅴ.双（苯并-15-冠-5）与稀土（Ⅲ）硝酸盐在无水乙腈溶液中分子内夹心配位作用

In weak acid 40 ℃ Lanthanide nitrates of low density in environment kill bacterium effect better.

在弱酸,40℃的环境中低浓度的稀土硝酸盐的杀菌效果较好.

If irregularities are found evidence of myocardial ischemia, the application of nitrates, such as drug treatment.

一旦发现有心肌缺血的证据, 即应用硝酸酯类等药物治疗.

permissible levels of nitrates in water

水中硝酸盐含量的容许度

Nitrates are used as preservatives in food manufacture...

硝酸盐在食品加工业中被用作防腐剂。

This is a generally known method for obtaining phenylnitromethane from benzyl cyanide. Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.

从苯乙腈制取苯基硝基甲烷就用这个方法。亚硝酸酯与过氧化烷基反应，得到烷基硝酸酯。

We use an ion chromatograph ( reagent free ) to test for nitrates, calcium and strontium.

我们采用离子色谱仪 ( 试剂免费 ) 测试硝酸盐, 钙,锶.

When this new type of cover turns into waste , it forms nitrates.

手机罩降解时生成硝酸盐.

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

流入湖中的泉水和河水携带了溶于水的硝酸盐和磷酸盐。

The soil is enriched with nitrates.

土壤里施了硝酸盐肥料.

Measurement of serum nitrites/ nitrates ( NO2-/ NO3-)

血清亚硝酸盐/硝酸盐（NOZ祝03一）测定制备血清样本，采用氯化钒还原法检测血清中N仇一加仇一含量以反应NO含量的改变。

Nitrates are used as preservatives in food manufacture.

硝酸盐在食品加工业中被用作防腐剂。

Other microbes break the organic matter down into nitrates, which the roots of plants can use.

另一些微生物把这种有机物分解成植物根系可以利用的硝酸盐.

Nitrates are used as preservatives in food manufacture

硝酸盐在食品加工业中被用作防腐剂。

As they eat the nitrates they form nitrites as an intermediate chemical byproduct.

当他们吸收这些硝酸盐的时候,会形成一种可以成为副产物的亚硝酸盐的中间产物.

Under anaerobic conditions nitrates and nitrites are both reduced by a process called denitrification.

在厌氧条件下,硝酸盐和亚硝酸盐通过脱硝作用被还原.

Nitrates are used as fertilizers in agriculture.

硝酸盐在农业上用作肥料.

German synthetic nitrates knocked out Chilean nitrate mining after 1920.

1920年以后,德国合成硝酸盐给了智利硝石开采当头一棒.

Nitrates are chemicals that occur naturally in water and the soil.

硝酸盐是水和土壤中自然存在的化学物质。

Nitrous esters can react with alkyl peroxides to yield alkyl nitrates.

亚硝酸酯与过氧化烷基反应,得到烷基硝酸酯.

For those who have high blood pressure, it would help to increase consumption of kale, spinach, beets and beetroot juice, which are rich in nitrates.

对于高血压患者，多摄入羽衣甘蓝、菠菜、甜菜和甜菜根汁等富含硝酸盐的食物是有好处的。

high levels of nitrates in drinking water

饮用水中的大量硝酸盐