搜索结果: 1-15 共查到“aeration”相关记录21条 . 查询时间(0.125 秒)
Effects of Salt on Root Aeration, Nitrification, and Nitrogen Uptake in Mangroves
mangrove nitrogen porosity radial oxygen loss salt suberization
2024/2/26
The potential effects of salt on the growth, root anatomy, radial oxygen loss (ROL), and nitrogen (N) dynamics in mangroves were investigated using the seedlings of Avicennia marina (Forsk.) Vierh. Th...
温室甜瓜加氧灌溉综合效益评价（Evaluation of Comprehensive Benefit in Greenhouse Muskmelon under Aeration Irrigation）
温室甜瓜 加氧灌溉 综合效益评价
2010/12/28
采用基于客观赋值法的熵权信息法与主观赋值法相结合的综合评价方法对不同加氧频率处理温室甜瓜综合效益进行评价，并对各加氧处理进行综合效益排序。结果表明，2天1次的加氧频率处理综合效益最好，每天1次的次之，不加氧处理的综合效益优于3天1次和每天2次处理，沟灌处理的综合效益最差。加氧灌溉均可以不同程度地提高温室甜瓜的产量和品质，但由于加氧处理增加了电费及滴灌设备及管件等资金投入，致使一些加氧处理综合效益降...
DOMESTIC WASTEWATER PURIFICATION IN UPFLOW BIOFILM SYSTEM WITH DIFFUSED AERATION
Wastewater purifiction Upflow microbial film System BOD-COD TSS removal
2010/1/4
The objective of this research was to conduct a bench scale study of fixed activated sludge treating domestic sewage. Two different units employing diffused aeration with plastic and aluminum media we...
Study of Aeration Efficiency at Weirs
Oxygen transfer Dissolved oxygen Aeration Aeration efficiency Weirs
2009/10/14
The amount of dissolved oxygen (DO) in the waters of rivers and streams is very important to the quality and existence of aquatic life. Hydraulic structures have an impact on the amount of dissolved o...
Study of Aeration Performance of Open Channel Chutes Equipped with a Flip Bucket
Aeration eciency Chute Dissolved oxygen Flip bucket Open channel Oxygen transfer
2009/10/12
An adequate supply of dissolved oxygen (DO) is essential for the survival of aquatic organisms. Hydraulic structures can increase DO levels by creating turbulent conditions where small air bubbles are...
基于温度—含氧量的全自动堆肥通风控制系统设计（Design of Temperature/Oxygen Concentration-based Aeration Control System for Aerobic Composting）
堆肥 通风 温度 含氧量
2009/8/11
采用工业计算机和下位机的监测控制方式，开发了基于温度-含氧量的全自动堆肥通风控制系统，并实现了软硬件的配套设计。运行试验表明：采用该工艺堆肥，时间一般为2周，高温期（55～65℃）可维持9d以上，能有效杀灭病原微生物，产品稳定性好；可在整个堆肥过程中实现自动在线监控堆体温度、含氧量和湿度，运行稳定。
Effects of Aeration and Root Immersion Level on the Development of Carrot Root in Hydroponics
Graduate School of Life and Environmental Sciences,Kyoto Prefectural University
2009/7/7
The growth of taproot of carrot (Daucus carota L. cv. Natumaki-senkogosun) cultured under hydroponics was investigated. Plants were cultured in boxes containing half strength Enshi solution. Keeping t...
The effect of aeration and application of manure and fertilizer on the hay yield, its quality and botanical composition of the abandoned range
Abandoned range botanical composition chemical composition sod ripping manure fertilizer
2010/9/10
The research was carried out in order to investigate the effects of aeration, organic and commercial fertilizers on hay yield, hay quality and botanical composition of an abandoned old range. The expe...
Bio-Oxidation of Air-Borne Hydrophobic VOCs in Activated Sludge Aeration Tanks-Effects of Activated Sludge Concentration and Gas Diffuser
Hydrophobic VOCs Activated sludge aeration Bio-oxidation Diffuser
2016/3/25
An activated sludge aeration basin (20 cm i.d., 140 cm height) equipped with either a coarse air
diffuser (a plastic pipe perforated with 56 orifices of 2 mm in diameter) or a fine diffuser (porous
...
Selection of Co-Substrate and Aeration Conditions for Vanillin Production by Escherichia coli JM109/pBB1
Escherichia coli vanillin ferulic acid
2009/3/17
Yeast extract, Luria-Bertani medium and tryptone were tested as co-substrates for vanillin production from ferulic acid by resting cells of Escherichia coli JM109/pBB1. Yeast extract proved to be the ...
Aeration status of some slovakian soils
agrophysics soil aeration status D/Do air permeability Eh ODR dehydrogenase activity
2008/11/26
Aeration related properties of individual soil layers of three Slovakian soil profiles (Calcaro-haplic Phaeozem, Fluvi-calcaric Phaeozem and Calcaro-gleyic Phaeozem) were characterised with the use of...
Aeration properties and enzyme activity on the example of Arenic Chernozem (Ti筰ce)
aeration properties enzyme activity Arenic Chernozem
2008/11/26
The purpose of this paper is to characterise aeration properties of 3 horizons of Arenic Chernozem profiles situated in Tišice (typical for the agricultural production region of Central Bohemia, ...
Characteristics of aeration properties of orthic luvisolfrom poland under different land use
soil aeration ODR Eh catalase activity dehydrogenase activity gas diffusion coefficient (D/Do) Fe +2 concentration
2008/11/24
The present publication comprises results of measurements of aeration status related to soil properties such as: oxygen diffusion coefficient (D/Do), oxygen diffusion rate (ODR), redox potential (Eh)...
Characteristics of aeration properties of selected soil profiles from central europe
soil aeration air-filled porosity ODR Eh D/Do air permeability dehydrogenase activity
2008/11/24
The purpose of this paper was to characterise soil structure from the point of view of its aeration properties and to verify applicability of some methods for the determination of different properties...
Dehydrogenase activity of some hungarian soils as relatedto their water and aeration status
soil aeration dehydrogenase activity ODR Eh reduced iron
2008/11/21
Four horizons (till the depth of 130 cm) of six typical Hungarian soil profiles (Fluvic Gleysol, Vertic Gleysol and Orthic Solonetz) were investigated in order to determine relation between dehydroge...
