主要污染指标是氨氮、石油类、高锰酸盐指数、挥发酚。
The key pollution indicators are ammonia nitrogen, petroleum, potassium permanganate index and volatile phenol.
挥发酚测定中，常因4-氨基安替比林纯度不高而影响测定。
The purity of 4-aminoantipyine is key for measuring phenolic material in water samples.
本文初步探讨了连续流动注射分析法测定地表水中的挥发酚。
AutoAnalyzer 3 Flow injection analysis (FIA) was used to determine volatile phenol in drinking water.
废水中挥发酚含量过高，是苯酚与甲醛的摩尔比过高，致使反应不完全造成。
In addition, the higher content of free phenol in waste water was due to the incompleted reaction resulted by the exceedingly high molar ratio of phenol to formaldehyde.
文章阐述了用纯度高低不同的4—氨基安替比林测定水中挥发酚类含量的影响。
This paper expounds the influence of the purity of 4-antipyrine on the measurement of volatile phenol contents in water.
结合自己的工作，介绍了从预防着手如何在制胶生产中降低废水中的挥发酚含量。
On the basis of our experience, the paper describes start with prevention to reduce the free phenol content of waste water in adhesive manufacture shop.
在各污染因子中COD、BOD5、挥发酚类对河流水质的贡献率较大。由此分析了相应的原因。
It also showed that in each pollution factor, COD, BOD5 and the votile phenol contributed much more to the water quality of this river. Thus corresponding reason was analyzed.
基于4-氨基安替比林显色原理，采用流动注射技术，建立了炼油废水中挥发酚的快速测定方法。
A method for rapid determination of volatile phenol in refinery wastewater has been developed based on the combination of 4 amino antipyrine coloring principle with flow injection technique.
根据专家意见，确定沿线各自来水厂进水挥发酚最高允许浓度为0.005mg/L（不差于三类水）。
Experts suggest that the maximum density of volatile phenol in the water will not exceed 0.005mg/L before it is pumped into water factories.
本产品对水中所含的对人体危害最严重的氰化物及挥发酚的净化率可达99%以上，能有效的保证人体健康。
The product can purify more than 99 percent of the cyanide and volatile hydroxybenzene which are most dangerous to human body from water, which effectively ensures the human body health.
用4-氨基安替比林（4-AAP）分光光度法测定水中挥发酚类含量时，4-AAP药品纯度对试验结果的影响很大。
In the case of measuring the contents of volatile phenols in water by using 4 - AAP spectrophotometry, the purification of 4 - AAP has great influence on the test results.
采用EXAMS模式，研究了运河常州段中存在的双-（2-氯乙基）醚、硝基苯、喹啉以及挥发酚的暴露、归趋和持久性。
The exposure, fate and persistence of bis-(2 -chloroethyl )ether, nitrobenzene, quinoline and volatile phenol existing in the Grand Canal at Changzhou have been studied using EXAMS model.
本文通过实验的方法，用三氯甲烷处理4- 氨基安替比林溶液，解决了用4-氨基安替比林测定挥发酚实验空白值高的问题，并确定了三氯甲烷最佳使用量。
The chloroform solution of 4-Amino-antipyrine was used to measure the phenol in water by extraction and photometer. The method and the precision were discussed in this paper.
详细介绍了整理剂中有害物质甲醛、氯酚、有机氯、氯菊酯等防蛀防霉易挥发物质的检测方法。
Detection method of anti-moth, anti-mildew and volatile matter eg, formaldehyde, chlorphenol, organic chlorine, cypermethrin in finishing agent is introduced.
结果：在川续断属植物中发现了三萜类、环稀醚萜类、生物碱、酚酸类、黄酮类和挥发油类化合物。
Results: the chemical constituents including triterpenoid iridoid alkaloids phenolic acids flavonoids and volatile oil were found in the plants of Dipsacus l.
挥发性酚含量年际变化趋势为1998 ~ 2000年呈上升趋势，2000 ~ 2005年呈下降趋势。
The annual variation of volatile phenol concentrations presented rising trend from 1998 to 2000, and downtrend from 2000 to 2005.
通过GC - MS从丁香挥发油中分离分析出14种化合物，其中丁香酚的相对含量最高达68%。
By GC-MS, 14 compounds from clove volatile oil were isolated and identified. Among these compounds, eugenol was most and the relative contents was 68%.
本品是一种高分子量酚类醋化物，不变色、不污染、耐热载老化、耐热水萃取、不易挥发，通常用作主抗氧化剂。
This product is a high molecular weight phenolic compounds vinegar, no color, no pollution, aging heat load, heat water extraction, less volatile, usually used as the primary antioxidant.
结果表明：刺山柑花蕾中含有挥发油、氨基酸、蛋白质、糖及其苷类、酚性成分和鞣质、生物碱、有机酸、皂苷、甾体类等物质。
It showed that the flower buds contain essential oils, amino acid, protein, carbohydrates and their glycosides, phenols, tannins, alkaloids, organic acids, saponins and steroids.
干姜制备为姜炭后，挥发油成分已被破坏，姜酚类成分降低至微量。
Charcoal of ginger component of the volatile oil has been destroyed, Gingerol compound reduced to trace.
与国内其他海域相比，胶州湾北部近岸水域中挥发性酚的含量较低。
Volatile phenol concentrations in the north water area of Jiaozhou Bay were relatively low, compared with other internal sea areas in China.
结论碘酚中的碘在较高温度和不密闭的条件下均易挥发，应低温密闭储存。
Conclusion Iodine in iodine-phenol solution evaporates easily at high temperature and in non-airtight storage. It must be stored in airtight package and at low temperature.
本文采用GC-MS测定了橡木中的挥发性香气成分，共鉴定出38种化合物，其中种类最多的是酮类化合物，有13种，其次是酚类8种，酯类6种，醛类和醇类各5种，酸类1种，其他组分1种。
Volatile components in oak chips were determined by GC-MS and 38 compounds were identified, including 13 ketones, 8 phenolic compounds, 6 esters, 5 aldehydes, 5 alcohols, 1 acid and 1 other component.
结论：苹果籽含有有机酸、烯烃、烷烃、醛、酮、酚类挥发性成分。
Conclusion: Volatile components of apple seed are organic acid, olefins, alkane, aldehyde, ketone, phenol.
结果表明：有9种含量大于1%的化学成分占北细辛挥发油总量的86.1%，其中甲基丁香酚含量最高（22.9%），其次为黄樟醚（19.8%）；
In GC-MS analysis, 9 major constituents accounting for 86.1% of the total essential oil, of which methyleugenol (22.9%) was the most, followed by safrole (19.8%).
结果表明：有9种含量大于1%的化学成分占北细辛挥发油总量的86.1%，其中甲基丁香酚含量最高（22.9%），其次为黄樟醚（19.8%）；
In GC-MS analysis, 9 major constituents accounting for 86.1% of the total essential oil, of which methyleugenol (22.9%) was the most, followed by safrole (19.8%).
应用推荐