查询词典 nitrates

The results show that the decomposition of alkaline earth metal nitrates become more difficult as the atomic number increases.

结果表明，碱土金属硝酸盐分解成为氧化物的难度随着原子序数的增大而增加。 Mg(NO3)2在550 ℃时就可以直接分解为MgO。

Test the water for ammonia, nitrates and pH.

测试的水，氨，硝酸盐和pH值。

The effect of temperature and concentration and solvent on electrical conductivity of rare-earth nitrates was discussed.

并讨论了它们的电导率随温度和浓度的变化关系以及溶剂对电导率的影响。

Formate species were reactive towards nitrates to yield formyl nitro compound,an intermediate critical for the formation of cyanide and isocyanate species by further reacting with nitrates.

在NO+O_2+C_2H_4条件下，催化剂表面除了生成硝酸盐和甲酸盐物种之外，还有-C N，-NCO和HCONO_2物种的生成。

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。

Groundwater has been polluted by nitrates is the issue of public health departments and environmental agencies ③④ the concerns of a major event because of high nitrate levels in drinking water can cause young children methemoglobin disease ⑤.

地下水①被硝酸盐②所污染这一问题是公共卫生部门③和各环保机构④所关注的一件大事，因为饮用水的硝酸盐含量过高会造成幼儿高铁血红蛋白症⑤。

Small motile bacterial rods that can reduce nitrates and cause galls on plant stems.

能运动的杆菌的小属可以减少硝酸盐和引起栽培植物在茎上长瘿。

Live plants will help with the nitrogen cycle diminishing the amount of ammonia and nitrates in the aquarium.

活植物，将有助与氮循环减少的数额氨和硝酸盐的水族馆。

Others, such as the nitrogen cycle, involve biological feedback mechanisms, as nitrates are incorporated into proteins and released by decomposition.

其余的循环，例如氮循环，包含了生物反馈机制，硝酸盐可以生成蛋白质也可以通过分解作用释放。

Nitrates and nitrites, exiting widely in human environment, are the most popular nitrogenous substance.

硝酸盐和亚硝酸盐广泛存在于人类的环境中，是自然界最普遍的含氮物。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。