溶氧量

现场溶氧量信号经过信号隔离送到单片机的AD采样单元，实现对溶氧量的信号采集，同时通过数码管进行显示实时溶氧量。

The scene dissolved oxygen quantity signal isolation to the MCU AD sampling unit , realizes to the oxygen content signal acquisition , and through digital tube display real-time oxygen content .

本论文通过测定纤维素分解菌复合系MC1发酵过程中的pH值、溶氧量以及纤维素酶活等主要参数的动态变化，探索大规模液体发酵所必要的发酵参数。

This thesis analyses dynamics of main parameters such as during the fermentation of cellulose by determining the pH value , dissolved oxygen and the dynamics of cellulose enzyme activity etc.

结果表明，栽培床上营养液温度呈昼高夜低，溶氧量则呈夜高昼低变化，而浓度和pH变化不明显。

Results showed that solution temperature was higher in the daytime and lower in the night , while the dissolved oxygen content was in the opposite pattern .

在发酵条件控制在温度为28℃，pH值为7.0，溶氧量为90%以上的条件下，共培养5d，定时取样测定其菌数并绘制生长曲线。

The fermentation conditions were controled in 28 ℃, pH 7.0 , the oxygen quantity dissolved was above 90 % , and cultured on 5 days , samples were taken , bacteria quantity were counted on time and growth curve were determined .

通过番茄的栽培试验，简述了NFT系统中不同时期液温的变化、栽培床不同部位的液温和溶氧量的变化，表明栽培床具有较好的保温隔热性能。

The variation of solution temperature in the different growth period and the solution temperature and dissolved oxygen content in different sections of the bed observed in the tomato culture experiment were also discussed .

水体溶氧量对对虾消化道蛋白酶活力的影响

Effect of Oxygen Content in Water on Proteinase Vitality in Prawn Digestive System

温度对小球藻生长量和溶氧量影响研究

Researching on the Effect of Temperature on Chlorella Growth and Dissolved Oxygen Content

偏爱清澈的流动，溶氧量高的溪流。

Prefers clear flowing , well oxygenated streams .

3处理的溶氧量差异达极显著水平。

The differences of D.O. under the three treatments reached an extremely obvious level .

低溶氧量对怀头鲇呼吸代谢耗氧率的影响

Effects of Hypoxia on the Rate of Oxygen Consumption of Respiratory Metabolism of Northen Sheatfish

其中原肠期和出膜期是对水中溶氧量特别敏感的时期。

The stages of gastrula and hatching are sensitive especially to dissolved oxygen content in water .

溶液的溶氧量与电气石组分中氧元素的含量有关，氧元素含量越高，溶液中的溶氧量越大。

The higher the oxygen content is , the higher the oxygen dissolution capacity of the solution .

其中液相培养采用雾化的方法，大大提高了培养液的溶氧量。

There into liquid-phase culture by means of atomization greatly boosted the dissolved oxygen in culture solution .

释放远红外线，增加水中溶氧量，促进宠鱼新陈代谢，提高宠鱼产卵能力。

Release the Far Infrared Rays to increase the Oxygen in the water and promote the fish 's metabolism and spawn .

小心地把两个取样瓶以溪水完全装满。以溶氧量计测量水中的溶解氧量。

Carefully fill two sampling bottles completely with stream water . Use the dissolved oxygen meter to measure dissolved oxygen in the water .

控制板主要实现对现场溶氧量的检测、对电机运行状态检测以及自动完成对电机启动停止控制。

The control board is mainly for field detection of dissolved oxygen , motor running state detection and automatic completion of the motor start stop control .

所用菌种为白地霉和扣囊拟内孢霉。本课题研究了无机盐、菌体培养时间及废水中的溶氧量对这两种菌净化玉米淀粉工业废水的影响。

The effect of inorganic salt , cultivating time of organism and the amount of dissolving oxygen in the wastewater on the two organism was researched .

培养一定时间后，测定呼吸室及水样瓶的溶氧量，即可据以算出底泥呼吸率。

, the dissolved oxygen concentration of both the respiratory chamber and the black bottles is determined and thereby the sediment respiration rates may be calculated .

在封闭式循环养殖系统中，采用气/水混合溶解机调节虹鳟养殖水中的溶氧量。

Dissolved oxygen ( DO ) levels were regulated by a gas / water mixing machine in closed recirculating system for the culture of juvenile rainbow trout Oncorhynchus mykiss .

鱼和其他水生物生存需要氧气，水体中的溶氧量是衡量水体生态健康最好的标准之&。

Fish and other aquatic life need oxygen , and the amount of dissolved oxygen in a water body therefore is one of the best measures of its ecological health .

获得主要结论如下：1.过氧化尿素和过氧化钙都能与水反应，释放出氧气、提高水体的溶氧量。

The main conclusions are as follows : 1 . After reacting with water , calcium peroxide and urea peroxide can release oxygen to significantly increase dissolution oxygen content in the water .

种植量介于20%和30%之间时溶氧量较大。（2）在种植水蕹菜以后水体中浮游生物量有所增加。

When the amount of cultivation is between 20 % - 30 % , the water has a high level of dissolved oxygen . ( 2 ) Planktonic biomass increased after the Ipomoea aquatica breeding .

鸭对结合系统能发挥全面促进作用，是水稻长效生防卫士，也是增加溶氧量，提高整体经济效益的生物因素。

Duck could promote the integrated system in all-round way , it is bodyguard of rice in long-time biological control , the biological factor of increasing dissolved oxygen and of improving economic benefit in the entirety .

某厂海勒式空冷机组，自投产以来一直存在凝结水系统溶氧量偏高的问题，为此通过试验分析了长期以来凝结水系统溶氧量偏高的原因，并提出了切实可行的解决方案。

Based upon the dissolved oxygen test in condensate system and circulate system of Heller air-cooled turbine unit , this paper analyzes the true reason that dissolved oxygen is higher in condensate system of the unit , and expounds the practical measures .

18-8铬镍不锈钢在硝酸生产中被广泛应用，但介质的温度、溶氧量和Cl-含量对18-8铬镍不锈钢的应力腐蚀将产生影响，特别是腐蚀介质和应力的双重作用更为明显。

CrNi stainless steel has been extensively applied in the production of nitric acid . The temperature of the media , dissolved oxygen and Cl - all have a role in the stress corrosion of 18-8 CrNi steel , especially the combined effects of corrosive media and stress .