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- Spectrometric testing of water sample. 以光谱仪测试水样本.
- 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。
- 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。
- For determination of low components of petroleum in water samples,the aluminum sulfate flocculation was performed to preconcentrate the petroleum. 为了检测水中低浓度石油类,通过硫酸铝絮凝沉淀,富集萃取,可以得到较高浓度的组分。
- 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。
- 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；
- 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。
- The 7 kinds of organic phosphorus pesticides in injecting water sample wits Gas Chromatography equipped with ECD, large diameter capillary columu. 用电子捕获检测器，大孔径毛细管色谱柱直接进水样分析7种有机磷农药。
- The scientists are taking water samples from the river. 科学家正从河中采水样。
- Place Electrolytic Bar into water sample, energize for electrolysis and claim that the tap-water is not clean. 以电解棒,插入水样中,通电电解,声称自来水不乾净。
- 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。
- The Evaluation of QC/QA in Water Sampling with the Step regression. 逐步回归在评价水质监测采样过程QC/QA中的运用
- Analysis of water samples shall be coordinated through AA. 水样的分析结果应通过AA协调。
- This paper introduces a general formula for calculating the dilution factor of water sample in the BOD determination. 本文从理论和实践两方面探讨出一种生化需氧量(BOD)测定中样品稀释倍数的简便推算方法。
- The detection method for various enteroviruses in water sample by RTPCR with universal primers was established. 建立了一种利用通用引物RT-PCR技术检测水中肠道病毒的方法。
- Filter 500 ml water sample by a dry filter paper; then dry the filter paper and weigh it. Calculate the amount of total suspended solids. 用一张已被干燥及已知重量的滤纸过滤500亳升水样本,把滤纸焗干后再秤。计算总悬浮物的含量。
- In this article conditional experiments on the amount of n-Hexane and water sample pretreatment for determining parameter were introduced. 并在正己烷用量、水样预处理等测试参数选择上做了条件试验。
- A method was established for trace BHC,DDT and heptachlor eqoxide in water sample by gas chromatography-mass spectrometry with solid-phase extraction. 建立了固相萃取-气相色谱/质谱联用测定水中痕量六六六、滴滴涕和环氧七氯的方法。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- Low levels of cationic polyelectrolytes in water sample are determined by the direct fluorescent method, the results are satisfactory. 此法测定水样中低含量聚合电解质，结果令人满意。
