Unlike other mice, mice that are genetically incapable of making these particular cells do not show elevated levels of nitrates when infected with bacteria.
与其他老鼠不同的是，在基因上无法制造这些特殊细胞的老鼠在感染细菌时不会表现出硝酸盐水平的升高。
Nitrites and nitrates have long been recognized as potent carcinogens.
亚硝酸盐和硝酸盐被认为是强力致癌物。
He says the movement of rivers usually removes material like nitrates.
他说，河流的流动通常会去除硝酸盐之类的物质。
The major components of PM are sulfate, nitrates, ammonia, sodium chloride, carbon, mineral dust and water.
它的主要组成成分是硫酸盐、硝酸盐、氨、氯化钠、碳、矿物粉尘和水。
It's the nitrites and nitrates in processed meats such as hot dogs that are linked with all sorts of cancers.
诸如热狗之类的加工肉类中的硝酸盐和亚硝酸盐才是真正与各种癌症有关的因素。
The soil is enriched with nitrates.
土壤里施了硝酸盐肥料。
Our water supply is becoming polluted with nitrates.
我们的水源正受到硝酸盐的污染。
And it is also the materials for producing other nitrates.
是制造其它硝酸盐类的原料。
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。
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。
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。
Calcium channel blockers and nitrates are used to decrease LES pressure.
钙通道阻滞剂和硝酸盐是用来降低LES压力。
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。
Under aerobic or anaerobic conditions, nitrates could be used as nitrogen sources.
在好气或厌气条件下可以硝酸盐为氮源。
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。
Sulphates , nitrates and phosphates are generally considered to be protective towards galvanizing.
硫酸盐、硝酸盐和磷酸盐一般被认为对镀锌层有保护作用。
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。
Segments of the river have been finding it difficult to meet the drinking water standard for nitrates.
一些河段已经很难达到饮用水的硝酸盐含量标准。
So he wondered why that natural filtration process does not remove nitrates from the Mississippi River.
所以他想弄明白，为什么自然过滤过程未能去除密西西比河的硝酸盐。
So he wondered why that natural filtration process does not remove nitrates from the Mississippi River.
所以，他很困惑为什么大自然的过滤程序没有清除掉密西西比河里的硝酸盐成分。
The additive comprises alkali metal nitrates and hydroxides of aluminum in the mass percent of 1:0.5-3.
添加剂中包含碱金属硝酸盐和铝的氢氧化物，且碱金属硝酸盐与铝的氢氧化物质量百分比为1∶0.5 ~ 3。
He was delighted to find high 1 levels of phosphates and 2 nitrates — chemicals that plants need to grow.
他很高兴发现其中含有高量磷酸盐及硝酸盐——植物生长所需的化学物质。
Beet roots contain high concentrations of nitrates, which are converted into nitrites by bacteria in the mouth.
甜菜根包含高浓度的硝酸盐，它可被口腔内细菌转化为亚硝酸盐。
The drug therapy group was slightly more likely to have taken calcium-channel blockers and pain-killing nitrates.
药物治疗组有稍微更多的倾向服用钙通道阻滞剂和止痛的硝酸酯类药物。
Within the nodules the bacteria convert free nitrogen to nitrates, which the host plant USES for its development.
根瘤内的固氮菌将游离氮转化为硝酸盐，被宿主植物在发育中利用。
In fact, prolonged boiling wastes fuel and increases the concentration of nitrates, which are dangerous for very young babies.
事实上，延长沸腾时间消耗燃料并且增加硝酸盐浓度，对于幼儿是很危险的。
It was found that loss of exchange capacity of the resin catalyst caused by basic nitrates was the main cause behind the deactivation.
结果表明，保护床催化剂失活的主要原因是原料中的有机碱性氮化物引起的树脂催化剂交换容量的损失。
Taking these drugs with nitrates, taken either regularly for chest pain or in an emergency setting, can cause a dangerous drop in blood pressure.
如果在服用这些药物的同时，你还定期服用硝酸盐药物用于治疗胸痛或在紧急情况下服用硝酸盐药物，则有可能导致血压急剧下降，使你处于危险的状态。
Subjects reporting nitrate use had increased BMD compared with non-users, confirming that nitrates have positive BMD effects in women and men.
结果表明与不使用硝酸盐者比较，在硝酸盐使用者中可以观察到骨密度增加，证实硝酸盐对提高人类骨密度有正性作用。
Lead, mercury, cadmium, nitrates and copper all pollute this river and affect drinking water supplies for the over 5 million people living in the area.
铅，汞，镉，硝酸盐和铜污染了这条河，影响了居住在该地区500多万人民的饮水供应。
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