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- K2CO3 was added to the natural water sample for preprocessing, and the main interfering elements, i.e.calcium and magnesium, could then be conveniently separated from lithium. 在天然水样中加入碳酸钾进行预处理，方便地分离了锂的主要干扰元素钙和镁。
- A system of Ce(SO4)2H2SO4 for determination of COD in natural water samples by reversed flow injection analysis is discussed. 研究了Ce（SO4）2?H2SO4体系反向流动注射分析法测定环境水中化学需氧量（COD）的试验条件。
- The detection limit of this method is 0.09 ppb, recovery is 91.4-108.0%. The results of the determination of some natural water samples by this method were in accordance with that from the graphite furnace atomic absorption spectroscopic method. 本法的检测限达0.;09ppb;水样测试的精密度良好;回收率91
- natural water sample 天然水样
- Hot water, warm water, natural water function. 沸开水、温开水、自然水三大功能。
- Spectrometric testing of water sample. 以光谱仪测试水样本.
- Strictly speaking all kinds of natural water are actually mixtures. 严格地说，各种天然水实际上都是混合物。
- A water sample can be regarded as an assemblage of protons. 一份水的标本可以看作是质子的集群。
- Surfing is the wildest, fastest natural water sport known to man. 冲浪运动是人类最激烈、速度最快的天然水上运动项目。
- Lavazza uses a natural water process to decaffeinate. Lavazza 用纯自然的水炮制成这种低咖啡因的咖啡。
- Add 5 ml concentrated sulphuric acid to 100 ml water sample and shake well. 把大约5亳升的浓硫酸加进100亳升的水样本中,混匀。
- Collect water sample from the site where transect line runs into the sea. 在样条伸展入海的位置取海水样本。
- An automatic analyzer for determination of total phosphorus in natural water. 自然水样总磷含量自动分析仪的研制。
- There are more than one Legionellae strains existed in the same water sample. 其中戈尔曼军团菌为国内首次报道；
- Any of various soluble mineral salts found in natural water and arid soils. 可溶性无机盐在自然水体和干旱的土壤中所含可溶性无机盐中的一种
- Biodegradation rate of DBP in the water sample was higher than that of DEHP. DBP在水中的降解速率要大于DEHP在水中的降解速率。
- Aeromonas hydrophila distributed widely in natural waters. 该病菌广泛地存在于自然界水体中。
- The scientists are taking water samples from the river. 科学家正从河中采水样。
- In the sea water sampled the salinity is two parts per thousand. 在取样的海水中,盐度为千分之二。
- This natural water and mountain will always be unique and give you nice vision forever. 山水仁智,天然取向,永久视野,坚持差异。永不沦陷的视觉!
