نتایج جستجو برای: scale plants

تعداد نتایج: 766123  

Journal: :Aquatic Botany 2023

Methane (CH4), one of the key long-lived atmospheric greenhouse gases, is primarily produced from organic matter. Accordingly, net primary production matter sets boundaries for CH4 emissions. Plants, being dominant producers, are thereby indirectly sustaining most global emissions, albeit with delays in time and spatial offsets between plant subsequent emission. In addition, communities can enh...

Journal: :Cell 2016
Caren Chang John L. Bowman Elliot M. Meyerowitz

For the past several decades, advances in plant development, physiology, cell biology, and genetics have relied heavily on the model (or reference) plant Arabidopsis thaliana. Arabidopsis resembles other plants, including crop plants, in many but by no means all respects. Study of Arabidopsis alone provides little information on the evolutionary history of plants, evolutionary differences betwe...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2013
A T Mielczarek A M Saunders P Larsen M Albertsen M Stevenson J L Nielsen P H Nielsen

Since 2006 more than 50 Danish full-scale wastewater treatment plants with nutrient removal have been investigated in a project called 'The Microbial Database for Danish Activated Sludge Wastewater Treatment Plants with Nutrient Removal (MiDas-DK)'. Comprehensive sets of samples have been collected, analyzed and associated with extensive operational data from the plants. The community compositi...

Journal: :journal of membrane science and research 0
i.g. wenten department of chemical engineering, itb, jl. ganesha 10, bandung 40132, indonesia k. khoiruddin department of chemical engineering, itb, jl. ganesha 10, bandung 40132, indonesia p.t.p. aryanti department of chemical engineering, itb, jl. ganesha 10, bandung 40132, indonesia a.n. hakim department of chemical engineering, itb, jl. ganesha 10, bandung 40132, indonesia

membrane-based technologies have increasingly been chosen in desalination processes, which is evidenced by the increase of large-scale plants constructed in recent years. indeed, several appropriate strategies should be considered to minimize problems faced during the construction, such as membrane system designs, area requirement, energy requirement, operation and maintenance, and environmenta...

2007

Conventional nuclear power reactors have almost reached a power size limit after pursuing the economies of scale by building larger plants. Future directions in which nuclear power can be effectively developed are unlikely to be toward larger sizes. Currently it is almost impossible to find new sites for larger plants in the developed countries; larger plants also pose a large economic risk tha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

Akram Mehrabbeik, Bahare Fallah, Naiire Salmani,

Objective: The use of medicinal plants in diabetic patients is rising, it is essential to increase knowledge about the effects of medicinal plants and subsequently perform evidence-based action, so, review studies are a helpful way for the present purpose. Current study was conducted to investigate the clinical trials of medicinal plants used in the treatment of diabetes in Iran. Materials an...

Natural-based drugs are the important bioactive substances that have been used for prevention and treatment of diseases. Natural products should be prepared in commercial scale from relevant medicinal plants. Hence, large amounts of the plants have been needed for extraction and isolation of compounds of natural origin. Plant cells technology is the best strategy for the production of the plant...

Export of liquefied natural gas (LNG) is one of the basic needs of the Iranian oil, gas and petrochemical industry due to the severe sanctions conditions in Iran, restrictions on export of natural gas through pipelines and increased use of LNG in the energy basket of different countries. However, in recent years, despite some attempts to produce this strategic product, no concrete results have ...

1998
C. R. Purvis

A new generation of small scale (less than 20 MWe) biomass fueled, power plants are being developed based on a gas turbine (Brayton cycle) prime mover. These power plants are expected to increase the efficiency and lower the cost of generating power from fuels such as wood. The new power plants are also expected to economically utilize annual plant growth materials (such as rice hulls, cotton g...

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