查询词典 biochemical oxygen demand

The determination of the biochemical oxygen demand in the water quality analysis was disussed theoretically and practically.

本文从理论和实践上讨论了水质监测中有机污染物生化需氧量测定中的有关问题。

Biochemical Oxygen Demand determination in water (results obtained in 3-4hrs).

水的生化需氧量检测（3-4小时得到结果）。

Biochemical oxygen demand measures the amount of DO used in decomposition.

生物需氧量衡量生物分解所消耗的溶解氧的量。

Biochemical oxygen demand, BOD is necessary for water quality evaluation.It is an important index in measuring organic materials pollution.

生物化学需氧量BOD是水质评价的必测项目，是衡量有机物对水质污染的重要质量指标。

The biochemical oxygen demand is one of the most important and widely used parameter in the measurement of organic pollution.

本文采用夹层法，将异常汉逊酵母固定在氧电极的透氧薄膜与多孔醋酸纤维膜之间，构成一种流通式BOD测试系统。

The biochemical oxygen demand (BOD 5) of 47 substituted benzenes were determined.

测定了 47种取代苯类化合物在松花江水中的 5日生化需氧量(BOD5)。

Abstract］ objective: to investigate factors in water-dilution affecting the determination results with biochemical oxygen demand （bod5） standard dilution method, so as to improve the sensitivity and accuracy, and to provide rational suggestion for further study.

目的：旨在寻找生化需氧量标准稀释法测定中稀释水的一些影响因素，提高测定的灵敏度与准确度，为今后的教学研究提供一定的参考。

The impact of industrial discharges depends not only on their collective characteristics, such as biochemical oxygen demand and the amount of suspended solids, but also on their content of specific inorganic and organic substances.

影响工业排放不仅取决于其集体特征，如生化需氧量和悬浮固体量，而且还对它们的内容具体的无机和有机物质。。

Biochemical Oxygen Demand The BOD is an important measure of water quality.

这是相当数量的措施氧气由细菌和其它微生物需要(在毫克每公升或部份每百万)氧化有机物当前在水样在5 天中。

Determination of biochemical oxygen demand after n days.

NF T90-103-2-1998 水质。N天后对生化氧需求的测定。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。