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پاورپوینت انگلیسی wastewater treatment

عنوان فارسی مقاله: تصفیه فاضلاب


عنوان انگلیسی مقاله:

Wastewater Treatment





بخشی از مقاله

Energy Measurement (5)

Biochemical (Biological) Oxygen Demand (BOD)

Carbonaceous BOD: aerobic heterotrophs

Decompose organic molecules to minerals (CO2) and residues

Obtain their cell carbon from the organic material

Nitrogenous BOD: obligate aerobic chemoautotrophs

Characteristics of nitrifiers (chemoautotrophs)

DO < 2 mg/L action slow

DO < 0.5 mg/L action ceases

Optimum pH: 8.0;  pH < 7.2: slows down

More sensitive than heterotrophs to toxins

Slow growers (longer sludge age required)






 

کلمات کلیدی: 

Water Use: Wastewater treatment https://water.usgs.gov/edu/wuww.html Dec 2, 2016 - Wastewater treatment and water. Basic information about Wastewater treatment, the USGS Water Science School. Wastewater treatment using wastewater plants, treatment solutions ... www.waterworld.com › Home › Wastewater Read the latest wastewater treatment articles, products & technology. wastewater treatment | Britannica.com https://www.britannica.com/technology/wastewater-treatment Wastewater treatment, also called sewage treatment, the removal of impurities from wastewater, or sewage, before they reach aquifers or natural bodies of water such as rivers, lakes, estuaries, and oceans. Since pure water is not found in nature (i.e., outside chemical laboratories), any distinction between clean water and ...

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پاورپوینت انگلیسی پلی ساکارید آلیاژی

عنوان فارسی مقاله: اصلاح سلولز توسط پلی ساکارید های آلیاژی


عنوان انگلیسی مقاله:

MODIFICATION OF CELLULOSE BY ANIONIC POLYSACCHARIDES




 

ادامه مطلب...
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پاورپوینت انگلیسی پلی ساکارید

عنوان فارسی مقاله: پلی ساکارید ها


عنوان انگلیسی مقاله:

POLYSACCHARIDES





بخشی از مقاله

SUMMARY

Polysaccharides (glycans) serve as stored fuel and as structural components of cell walls and extracellular matrix.

■ The homopolysaccharides starch and glycogen are stored fuels in plant, animal, and bacterial cells. They consist of D-glucose with linkages, and all three contain some branches.

■ The homopolysaccharides cellulose, chitin, and dextran serve structural roles. Cellulose, composed of (1n4)-linked D-glucose residues, lends strength and rigidity to plant cell walls. Chitin, a polymer of (1n4)-linked N-acetylglucosamine, strengthens the exoskeletons of arthropods. Dextran forms an

adhesive coat around certain bacteria.






 

کلمات کلیدی: 

Polysaccharides - an overview | ScienceDirect Topics www.sciencedirect.com/topics/neuroscience/polysaccharides Polysaccharides are the most abundant constituents of coffee beans for the most commercialized coffee species, Coffea arabica (arabica) and Coffea canephora ... polysaccharide | chemical compound | Britannica.com https://www.britannica.com/science/polysaccharide Aug 30, 2017 - Polysaccharide, also called glycan, the form in which most natural carbohydrates occur. Polysaccharides may have a molecular structure that is ... Searches related to POLYSACCHARIDES polysaccharide function polysaccharide foods polysaccharides definition polysaccharide list polysaccharide examples polysaccharide structure polysaccharide starch structural polysaccharides

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پاورپوینت انگلیسی راهنمای general guide rat

عنوان فارسی مقاله: راهنمای عمومی موش صحرایی


عنوان انگلیسی مقاله:

General Guide to the Rat





بخشی از مقاله

Fischer 344 Rat F344/IcoCrl

Origin

From mating #344 of rats purchased from a local breeder (Fischer). The colony was originated by M. R. Curtis, Columbia University in 1920. To the Germ-Free Animal Laboratory at CNRS, Gif-sur-Yvette, France from the Lobund Institute, University of Notre-Dame, South Bend, Indiana, U.S.A. Subsequently introduced to Charles River France in 1970 as an axenic colony.

Coat Color: White (albino)

Ideal For:General multipurpose model, aging, safety and efficacy testing, surgical model, oncology, nutrition






 

کلمات کلیدی: 

[PDF]Guidelines for the Housing of Rats in Scientific Institutions www.animalethics.org.au/__data/assets/pdf.../housing-rats-scientific-institutions.pdf Oct 19, 2002 - 2.3.2 As a guide, for rats weighing 250 - 300gm, a cage height of 22cm over part of the .... addition to monitoring for general physical health. AFRMA - Rat & Mouse Information - Index page - General www.afrma.org/rmindex.htm The AFRMA Rat and Mouse Information Pages - General. Here is where ... A Kid's Guide To Basic Pet Rat & Mouse Care - A care sheet just for kids! In Case of ... Rat Fan Club www.ratfanclub.org/ Rat lovers can find the answers to questions about rat health, games, tricks, and ... Or you can ask general questions on our Online Forum. ... We also wholesale the Rat Health Care booklet, which is an inexpensive guide to rat medical care. [PPT]Long-Evans Rat Crl:LE Coat Color modares.ac.ir/uploads/Med.mnl.Res.6.pptx General Guide to the Rat. The Norway rat. (Rattus norvegicus). In the name of God. PART 1. Introduction. Taxonomy: Kingdom: Animalia; Phylum: Chordata. You visited this page on 10/6/17.

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پاورپوینت انگلیسی عوارض ویروسی برداری و آلرژی حیوانی

عنوان فارسی مقاله: چالش های بهداشت حرفه ای کار در تحقیقات حیوانی آزمایش: عوارض ویروسی برداری و آلرژی های حیوانی


عنوان انگلیسی مقاله:

Occupational Health Challenges of working in Lab Animal Research: Viral Vector Exposures & Animal Allergies







بخشی از مقاله

Prevention (cont’d)

Disposition question: Whether to allow individual with established LAA to continue working using PPE, or to remove from position?

Portengen, Hollander, Doekes, & Heederik. Lung Function decline in laboratory animal workers: the role of sensitization and exposure. Occupational and Env Med 2003;60: 870-875.

Studied relation between sensitization and subsequent lung function decline in working populations exposed to allergen(s).

 Method: longitudinal study (median follow up 2.0 years) – 319 lab animal workers- excluded subjects with over 4 years exposure

Results: 

Multiple regression analyses- 

Lung function decline most pronounced in sensitized subjects who continued to work in contact with lab animals

Average excess declines    FEV1= 83 ml/y (p<0.05)

                                            FVC = 148 ml/y (p<0.01)

                                            MMEF = 7 ml/s/y (p=0.9)

Results corroborate findings of other studies 

Renstrom et al( Eur Respi J 1995 )

Sjosted et al (Am J Ind Med,1993) 

Proposed mechanism: Malo et al, (J Allergy Clin Immunol 1992) – chronic inflammation develops after sensitization, but before development of symptoms

Low level inflammation leads to decline in lung function with continued exposure

Study flaws- short follow up, ? Small sample size, unclear if workers “continually exposed” used PPE






 

کلمات کلیدی: 

Health Risks Associated with Laboratory Animals - Animal Resource ... https://www.urmc.rochester.edu › Animal Resource › Occupational Health and Safety URMC / Animal Resource / Occupational Health and Safety / Health Risks ... Such diseases are relatively uncommon in contemporary laboratory animal facilities. ... Recognize the symptoms of health problems that may be related to animal ... Faculty Rosters · MyChart Patient Portal · Online Bill Pay · Research Network. Occupational Health & Safety for Animal Care & Use Program ... https://ehs.colorado.edu/lab-support/occupational-health-safety/ The following pages refer to the Occupational Health Program established by ... you to discuss your risks from working with laboratory or field research animals. .... compensation issues may request their Occupational Health Questionnaire be ... Searches related to Occupational Health Challenges of working in Lab Animal Research occupational health and safety in animal facilities zoonotic disease causative agent occupational health and safety in the care and use of research animals six (6) major types or classes of hazards in a veterinary clinic laboratory hazards list zoonotic diseases list aaalac

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پاورپوینت انگلیسی بررسی گرافن

عنوان فارسی مقاله: گرافن


عنوان انگلیسی مقاله:

Graphene




 

ادامه مطلب...
۰۱ شهریور ۹۶ ، ۱۴:۳۴ ۰ نظر موافقین ۰ مخالفین ۰

پاورپوینت انگلیسی تحلیل سیستم باد dfig

عنوان فارسی مقاله: مدلسازی و تجزیه و تحلیل سیستم باد مبتنی بر DFIG با استفاده از اجزای قدرت لحظه ای


عنوان انگلیسی مقاله:

Modeling and Analysis of DFIG Based Wind Power System Using Instantaneous Power Components




 

ادامه مطلب...
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پاورپوینت انگلیسی بررسی کروماتوگرافی

عنوان فارسی مقاله: کروماتوگرافی


عنوان انگلیسی مقاله:

Chromatography




 

ادامه مطلب...
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پاورپوینت انگلیسی پلی استر

عنوان فارسی مقاله: خواص پنبه / پلی استر


عنوان انگلیسی مقاله:

Properties of Cotton/Polyester




 

ادامه مطلب...
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پاورپوینت انگلیسی phosphorus water

عنوان فارسی مقاله: فسفر در آب


عنوان انگلیسی مقاله:

Phosphorus in Water





بخشی از مقاله

Aquatic plants take in dissolved inorganic phosphorus and convert it to organic phosphorus as it becomes part of their tissues. Animals get the organic phosphorus they need by eating either aquatic plants, other animals, or decomposing plant and animal material.

As plants and animals excrete wastes or die, the organic phosphorus they contain sinks to the bottom, where bacterial decomposition converts it back to inorganic phosphorus, both dissolved and attached to particles. This inorganic phosphorus gets back into the water column when the bottom is stirred up by animals, human activity, chemical interactions, or water currents. Then it is taken up by plants and the cycle begins again.





 

کلمات کلیدی: 

The Problem | Nutrient Pollution | US EPA https://www.epa.gov/nutrientpollution/problem Mar 10, 2017 - Too much nitrogen and phosphorus in the water can have diverse and far-reaching impacts on public health, the environment and the economy ... [PDF]Phosphorus: Sources, Forms, Impact on Water Quality - Minnesota ... https://www.pca.state.mn.us/sites/default/files/wq-iw3-12.pdf Phosphorus: Sources, Forms,. Impact on Water Quality. - A General Overview. Water Quality #Impaired Waters #3.12 • July 2007. Minnesota Pollution Control ... [PDF]Nutrients: Phosphorus, Nitrogen Sources, Impact on Water Quality https://www.pca.state.mn.us/sites/default/files/wq-iw3-22.pdf Nutrients: Phosphorus, Nitrogen. Sources, Impact on Water Quality. - A General Overview. Water Quality/Impaired Waters #3.22 • May 2008. Minnesota Pollution ... Water Resource Characterization DSS - Phosphorus www.water.ncsu.edu/watershedss/info/phos.html General Information: Phosphorus (P), the 15th element on the periodic table with an atomic weight of 30.974, is an essential nutrient for all life forms. Lakes (NC)‎: ‎chlorophyll a Aquatic life‎: ‎Total P Mountain lakes‎: ‎02 mg/l Reservoirs (CO)‎: ‎chlorophyll a [PDF]Information on Phosphorus Amounts & Water Quality - OSSE osse.ssec.wisc.edu/curriculum/earth/Minifact2_Phosphorus.pdf Information on Phosphorus Amounts & Water Quality. Introduction. Phosphorus is one of the key elements necessary for growth of plants and animals. EXTOXNET - Phosphates in Drinking Water extoxnet.orst.edu/faqs/safedrink/phos.htm Phosphorus is a non-metallic element which is necessary for life and is found in rock as inorganic phosphates. As water runs over and through rocks it carries off ... SL 275/SS490: Impact of Phosphorus on Water Quality - EDIS edis.ifas.ufl.edu/ss490 Impact of Phosphorus on Water Quality. Rao Mylavarapu. Economic contribution results for Florida's agriculture, natural resources, and related food industries ... Searches related to Phosphorus in Water too much phosphorus in water where do phosphates come from normal phosphate levels in water ppm phosphorus in water reaction phosphate levels in drinking water ppm phosphates in pool water phosphorus in water at night what could be done to help minimize the amount of phosphate ions in water

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