查询词典 bod

This paper presented the latest advances in the application of biosensors monitoring for BOD、N、P、pathogens、pesticides and heavy metals in the aquiculture environment , and the problems with their applications in monitoring mariculture and reasons for the problems. Meanwhile , the novel technologies of genetically engineered microorganism , of molecular imprinting polymer and of real2time multi2analysis needed to improve the performance and to extend the application of biosensors for sea fishery , and to offer a prospect of biosensors to be combined with computer to allow online monitoring and control were demonstrated.

论述了生物传感器在监测渔业环境中的BOD、N、P、病原体、农药和重金属等方面的国内外最新进展，分析了生物传感器在海洋渔业应用中存在的主要问题及原因，同时阐述了利用基因工程微生物技术、分子烙印技术、多成分实时分析技术等先进技术提高生物传感器的性能并扩大其在海洋渔业领域中的应用范围，在海洋渔业环境中为实现生物传感器与计算机在线自动监测与控制，开拓新的广阔前景。

The paper presents a new kind of optical bistability consisting of an Avalanche Heterojunction Phototransistor and a semiconductor laser diode, four operating modes of this AHPT-LD-BOD system are also discussed when it works in the stable state.

本文研究了一种用雪崩异质结光晶体管和半导体激光器组成的新型光学双稳器件，讨论了在稳态工作时该双稳器件的四种工作模式。

A system comprising pH control, settling, homogenisation under pressure and a combination of flocculation, flotation and treatment with concentrated ozone gas has the ability to achieve very low BOD and COD discharge levels as well as being cost-effective solution with regards to construction and operation.

一个包括pH控制、沉积、加压均化以及将絮凝、漂浮和用浓缩臭氧气体处理组合应用的系统可以达到非常低含量的BOD和COD排放标准，同时对于建造和操作来说是具有成本效益的解决方案。

Every inch of her small head and bod y was full of the sacred fire of motion; and in her little pas seul she seemed t o be the very spirit of movement.

她那娇小的秀颅与肢体之间，处处都充满着律动的圣洁火焰。在她的一小段&独舞&中，她简直成了节奏的化身。

Biochemical oxygen demand - BOD: A measure of the amount of pollution by organic substances in water.

生化物需氧量：一种衡量有机物在水中的污染量的标准。

Biochemical oxygen demand - BOD A measure of the amount of pollution by organic substances in water.

生化物氧气需要，生化物需氧量一种衡量有机物在水中的污染量的标准。

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 (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)。

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。

The oxygen consumed,or biochemical oxygen demand,is proportional to the organic matter converted ,and therefore BOD is a relative measure of the biologically degradable organic matter present in the system .

氧消耗量，或生化需氧量，是成正比的有机质转换，因此，生化需氧量是一个相对的措施，生物可降解的有机物，目前在该系统。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。