View allAll Photos Tagged Absorption
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A film to study the effect of the FOCA green filter x3.5 during a photo walk at the Parc Tête d'Or, Lyon, France, on November 7, 2023.
I used my Zorki 1 D (year 1955) camera loaded with a 36-exposure Svema FOTO 400 , with its leader trimmed for old Leica's. The Industar-22 lens was equipped with a 36mm push-on FOCA (France) green filter with a given coefficient of x3.5 plus a generic metal cylindric shade hood.
Svema Foto 400 was exposed for 160 ISO to compensate the filter absorption. Svema Foto 400 is a superpanchromatic film sensitized in the red to 780 nm and coated on a very thin maskless PET base. The anti-halation is provided by water-soluble black and blue pigments coated on the back and similar to one used for Rollei Retro 400S (Agfa Aviphot 400).
Expositions were determined using a Minolta Autometer III with a 10° finder for selective measurements privileging the shadow areas.
Parc de la Tête d'Or November 7, 2023
69006 Lyon
France
After exposure, the film was processed using Adox Adonal (= Agfa Rodinal) developer at dilution 1+25, 20°C for 10min30.
The film was then digitalized using a Sony A7 body adapted to a Minolta Auto Bellows III and a Minolta Slide Duplicator using a lens Minolta Bellow Macro Rokkor 50mm f/3.5 at a reproduction ratio of 1:1. The reproduced RAW files obtained were processed in LR prior the the final JPEG editions.
The use FOCA green filter with the Svema FOTO 400 film resulted in mostly quite a bit under exposed views. Exposing the film for 80 ISO and/or bracketing [-1,0,+1EV] would have been likely better.
All views of the film are presented in the dedicated album either in the printed framed versions and unframed full-size jpeg accompanied by some documentary smartphone Vivio Y76 color pictures.
About the camera and the lens:
This camera is a practically mint sample of Zorki 1 arrived to me in Lyon, France, January 10, 2023.
The camera looks brand-new straight from the KMZ factory in USSR almost 70 years later spent in a time capsule ... with almost no traces of use. According to a custom receipt of July 28, 1955, signed in Vienna, Austria, the camera body and lens are the original matched ones. As for the original FED, FED-Zorki and Zorki's ("ФЭД", "ФЭД-Зоркий", „Зоркий“), the Zorki 1 was a straight legal copy of the Oskar Barnack Leica II after the cancelation of German camera patents following the end of WWII.
This Zorki 1 is a type D model PM1115 (year 1955 according sovietcams.com/index7584.html). Type D Zorki's were produced from 1953 to 1955 in about 250.000 units with serial numbers ranging from #470.000 to (in 1955) #55 45.000. The original lens of this Zorki units is an collapsible lens Industar-22 1:3.5 f=5cm.
In the rear pocket of the ever-ready leather bag was deposited the custom receipt and a film label of Agfa negative-color CN17 likely from the 60's.
An experiment to check the NIR transparency (translucence) of a beetle carapace using 850nm LED backlighting through a hole in Al foil.
The left image is taken with a visible camera while the right image is through an RG715 filter on a NIR camera with sensitivity up to 1000nm.
The backlighting in both images is the 850nm LED but, in the left image some leakage from an adjacent 660nm LED can be seen.
The beetle 'lights up' in the right hand image because, at 850nm, the scattering in the carapace greatly exceeds the absorption, allowing the body to capture a high instantaneous density of NIR photons due to the delay of the incoming photons by multiple scattering. The same process happens in both plant (leaf) and animal tissue in the NIR due to high scattering and low absorption.
The transmission spectrum is shown in orange with a 6th order polynomial fit in dark blue. The normalised transmission, scaled up by 70, is shown in green. This shows five low contrast vibronic ripples above 17000 cm-1 with a separation (delta-k) of about 900 cm-1.
The delta-k for the florescent vibronic ripples in this sample of fluorite is 546 cm-1 (see second comment below).
References
Toothpick Star
www.abc.net.au/science/experimentals/experiments/episode4...
Kindness in Our Schools - Rachel's Challenge (Relevant Portion Begins at 3:36)
www.youtube.com/watch?v=Uyi5T6cFKes
Music
"In the Arms of an Angel" by Celtic Woman
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Class A Sonata Aurio sound absorption panels installed within Manfield Village Hall to reduce reverberation and noise during use
Circa late 1970s - 1980s. Richard Killmeyer uses a Perkin-Elmer 4000 atomic absorption unit to determine what volatile trace elements are in coal and coal products, Coal Preparatory Laboratory
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How Your Septic System Works
Septic systems are underground wastewater treatment structures, commonly used in rural areas in Harwood, North Dakota without centralized sewer systems. They use a combination of nature and proven technology to treat wastewater from household plumbing produced by bathrooms, kitchen drains, and laundry.
A typical septic system consists of a septic tank and a drainfield, or soil absorption field.
The septic tank digests organic matter and separates floatable matter (e.g., oils and grease) and solids from the wastewater. Soil-based systems discharge the liquid (known as effluent) from the septic tank into a series of perforated pipes buried in a leach field, leaching chambers, or other special units designed to slowly release the effluent into the soil or surface water.
Alternative systems use pumps or gravity to help septic tank effluent trickle through sand, organic matter (e.g., peat and sawdust), constructed wetlands, or other media to remove or neutralize pollutants like disease-causing pathogens, nitrogen, phosphorus, and other contaminants. Some alternative systems are designed to evaporate wastewater or disinfect it before it is discharged to the soil or surface waters.
Harwood septic services
Specifically, this is the way a standard septic system functions:
All water flows from your home from the main water drainage pipe right into a septic tank.
The septic tank is usually a buried, water-tight container commonly made from concrete, fiberglass, or polyethylene. Its task is usually to keep the wastewater for enough time to permit solids to settle to the bottom part of the tank forming sludge, as the oil and grease floats up to the top of the tank as scum.
Storage space and a T-shaped outlet stop the sludge and scum from departing the tank and going in to the drainfield.
The liquid wastewater (effluent) then leaves the tank into your drainfield.
The drain field is usually a shallow, protected, excavation produced in unsaturated dirt. Pre treated wastewater is released through pipes on to porous areas that permit wastewater to separate out though the dirt. The dirt will accept, treats, and disperses… wastewater as it percolates throughout the dirt, eventually releasing to groundwater.
In the event the drainfield is beyond capacity with an excessive amount of liquid, it will eventually overflow, creating sewage to flow to the ground surface area or generate backups in bathrooms.
Lastly, the wastewater percolates in to the dirt, naturally eliminating dangerous coliform bacteria, viruses and nutrients. Coliform bacteria is a small grouping of bacteria mainly inhabiting the digestive tract of human beings or any other warm-blooded creatures. It becomes an indication of human being fecal contaminants.
Have you got a septic system?
You might already know you possess a septic system. If you don’t know, listed here are tell-tale symptoms that you simply should do:
You utilize well water.
The waterline entering your house doesn’t have a meter.
You display a “$.00 Sewage Amount Charged” on your own water invoice or house government tax bill.
Others who live nearby possess a septic system.
How to locate your septic system
After you have established that there is a septic system, you will find it by:
Searching for your home or office’s plat drawing.
Examining your lawn for lids and manhole covers.
Getting in contact with a septic technician or pumper to assist you locating it.
Malfunction signs and symptoms: Pay attention to the indicators!
A bad smell isn’t necessarily the very first indication of a broken septic system. Contact a septic specialist if you see any of these:
Wastewater backing up into your bathroom show or any drains.
Vibrant green, mushy lawn around the drain field even throughout dry climate.
Standing water or muddy dirt all around your septic system or perhaps in your basement.
A powerful smell near the septic tank and drain field.
Contact Portapro Septic Services to ask a question or schedule an appointment. You can reach them at 701-330-5656
fromhttp://portaprosepticservices.com/septic-tank-pumping-harwood-nd/
portaprosepticservices.weebly.com/blog/septic-tank-pumpin...
Sonata Vario class A acoustic absorbers installed within Sutton village hall, North Yorkshire to reduce noise and reverberation during use
1. Good ink absorption
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3. Good tensile strength
silk screen printing mesh
Features:
1) Good printability: Precise coating technology with high-strength PET ensures good outdoor printability
2) Anti-tearing: woven by Kaermaye wrap knitting equipment from Germany, doubles its strength and ensures great anti-tearing Performance
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4) Featured by low cost and easy operation
5) Various warp-knitting flexible materials
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9) Acrylic lacquer makes flex anti-dirty and easy to wash in water (customized)
10) Excellent flame proof available (customized)
11) Maximum width: 5m
12) Strict in raw material selection
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Anhydrite is a mineral composed of anhydrous calcium sulfate, CaSO4. Distinctly developed crystals are somewhat rare, the mineral usually presenting the form of cleavage masses. The hardness is 3.5 and the specific gravity 2.9. The color is white, sometimes greyish, bluish, or purple. When exposed to water, anhydrite readily transforms to the more commonly occurring gypsum, (CaSO4·2H2O) by the absorption of water. This transformation is reversible, with gypsum or calcium sulfate hemihydrate forming anhydrite by heating to ~200°C under normal atmospheric conditions. Anhydrite is commonly associated with calcite and halite.
www.researchgate.net/publication/259338144_Proposal_for_A...
The anhydritic horizon is a horizon in which anhydrite has accumulated through neoformation or transformation to a significant extent. It typically occurs as a subsurface horizon. It commonly occurs in conjunction with a salic horizon.
Identification of anhydrite is important when determining soil strength. Soils high in anhydrite exhibit fluidity and lack soil strength and load bearing capacity. Moisture content strongly influences soil’s consistence and a water table is commonly within the soil profile. The manner in which specimens of soil fail under increasing force ranges widely and usually is highly dependent on water state. To test for fluidity, a handful of soil material is squeezed in the hand. For moderately fluid materials after exerting full pressure, most flows through the fingers; a small residue remains in the palm of the hand.
For example, if some of the soil flows between the fingers with difficulty, the nvalue is between 0.7 and less than 1.0 (slightly fluid manner of failure class); if the soil flows easily between the fingers, the nvalue is 1 or more (moderately fluid or very fluid manner of failure class) depending on what remains in the palm of the hand.
Redoximorphic features (RMFs) consist of color patterns in a soil that are caused by loss (depletion) or gain (concentration) of pigment compared to the matrix color, formed by oxidation/reduction of iron and/or manganese coupled with their removal, translocation, or accrual; or a soil matrix color controlled by the presence of iron. The composition and responsible formation processes for a soil color or color pattern must be known or inferred before it can be described as an RMF. Typically the zones with red color are areas of iron accumulation whereas the gray zones are areas where iron has been reduced or removed.
Iron that has been chemically reduced can be identified with the use of alpha,alpha-dipyridyl in neutral, 1-normal ammonium-acetate solution. A positive reaction to the alpha,alpha-dipyridyl yields the appearance of a strong red color on the freshly broken surface.
For more information about describing and sampling soils, visit:
www.nrcs.usda.gov/resources/guides-and-instructions/field...
or Chapter 3 of the Soil Survey manual:
www.nrcs.usda.gov/sites/default/files/2022-09/The-Soil-Su...
For additional information on "How to Use the Field Book for Describing and Sampling Soils" (video reference), visit:
www.youtube.com/watch?v=e_hQaXV7MpM
For additional information about soil classification using USDA-NRCS Soil Taxonomy, visit:
www.nrcs.usda.gov/resources/guides-and-instructions/keys-...
or;
www.nrcs.usda.gov/resources/guides-and-instructions/soil-...
For more information about soil classification in the UAE, visit:
vdocument.in/united-arab-emirates-keys-to-soil-taxonomy.h...
If you steam red cabbage, the leaves remain red (actually a bluish-red) but the water turns an amazing emerald green - which quickly fades to a rather muddy green-brown. Here are the transmission spectra of the leaf and the water. The absorption band at around 970nm is from the water itself: see www.flickr.com/photos/35652793@N04/5817855446/
The colours are due to an anthocyanin pigment whose colour depends on the pH.
Hydra’s engineering services and engineered products is industry standard for over 40 years, Hydra® Random Packing offers the most comprehensive designs and materials of random packing, and each engineered to create surface area for maximum vapor-to-liquid contact to optimize efficiency in chemical separation process of distillation, absorption and stripping.
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Class A Sonata Aurio panels used to reduce reverberation within Sittingbourne Community College's sports hall
Sonata Vario and Memo acoustic absorption panels installed within the hall at The Dales School in Blyth to reduce reverberation during use.
Sonata Vario panels installed to the walls and ceiling at Holy Spirit Primary School in Wigan
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Class A Sonata Aurio acoustic absorbers installed to the walls within the sports hall at Thornton College to reduce reverberation and noise during use
The soaking will increase enzyme activity, offer greater absorption of the food's nutrients by the body and help to increase digestibility. Cashews should be soaked for 3+ hours. Find more info at How to Soak & Sprout Nuts, Seeds, Grains, & Beans
Sonata Aurio panels bonded to the 'dome' ceiling within Malvern St. James School Hall to reduce reverberation during use
Might-A-Mins® Spectrum Isotonix® Digestive Enzymes is a powerful enzyme formula that supports the absorption and utilization of important nutrients, supports the normal digestion of grains (gluten) and dairy (casein), and helps support a healthy digestive tract. Give your children the digestive support they deserve with Might-A-Mins Spectrum Isotonix Digestive Enzymes.*
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(L) Profile of Friona loam, 1 to 3 percent slopes, showing a petrocalcic horizon that has a laminar capped indurated layer over strongly cemented calcium carbonate in the lower part. (R) The cemented pan in the Friona soil negatively affects the water holding capacity of this soil for crop growth and is a major limitation for septic tank absorption fields. (Soil Survey of Deaf Smith County, Texas by Thomas C. Byrd, Natural Resources Conservation Service)
Map Unit Setting
General location: Southern High Plains of western Texas and eastern New Mexico
Major land resource area: 77C
Geomorphic setting: These soils are on very gently sloping plains and occur along Tierra Blanca creek in the southwestern part of the county.
Map Unit Composition
Friona and similar soils: 80 percent
Contrasting soils: 20 percent
Based on transect data and other field observations of the map unit during the survey, the best estimate is that the Friona soil and similar soils make up 80 percent of the map unit, and contrasting soils make up 20 percent. The soils similar to Friona are the Kimberson soils that occur on the same landscape position. Also included in the map unit are small areas of Friona soils with slopes less than 1 percent.
Soil Description
Friona
Landscape: Plateau
Landform: Plain
Parent material: Loamy eolian sediments from the Blackwater Draw Formation of
Pleistocene age.
Typical Profile
Ap—0 to 8 inches; brown, slightly alkaline loam
Bt1—8 to 15 inches; brown, moderately alkaline sandy clay loam
Bt2—15 to 26 inches; yellowish red, moderately alkaline sandy clay loam; slightly effervescent
Btk—26 to 31 inches; yellowish red, moderately alkaline sandy clay loam; about 5 percent films, threads, concretions, and masses of calcium carbonate; strongly effervescent
Bkm—31 to 35 inches; pinkish white petrocalcic, laminar in the upper part
B'tk—35 to 80 inches; pinkish white, moderately alkaline sandy clay loam; about 50 percent masses and concretions of calcium carbonate; violently effervescent
Properties and Qualities
Slope: 1 to 3 percent
Surface features: None specified
Percent of area covered by surface fragments: None specified
Depth to restrictive feature: Petrocalcic, 20 to 35 inches
Slowest permeability class in the soil profile: Moderate above the petrocalcic
Permeability of restrictive feature: Slow
Salinity: Not saline within 40 inches
Sodicity: Not sodic within 40 inches
Available water capacity: About 4.7 inches (Low)
Natural drainage class: Well drained
Runoff: High
Annual flooding: None
Annual ponding: None
Depth to seasonal high water table: Not present within 80 inches
Interpretive Groups
Land capability nonirrigated: 3e
Land capability irrigated: 3e
Ecological site name: Deep Hardland PE 25-36
Ecological site number: R077CY022TX
Typical vegetation: The potential natural plant community for this site is shortgrass dominant with a few midgrasses and forbs. Very few shrubs or woody plants occur on this shortgrass prairie. The most prevalent grasses are blue grama and buffalograss with blue grama being dominant.
Use and Management
Major land uses: These soils are used primarily as rangeland and habitat for wildlife. They are not used extensively as cropland or improved pasture.
Rangeland management: Native plants yield moderate amounts of forage. The depth to a cemented pan, low available water capacity, and high runoff are limitations. The hazard of wind erosion is severe. The main concerns in management are continuous overgrazing, fire suppression and invasion of woody species, and undesirable perennial grasses or annual forbs. Proper stocking rates, brush management, and controlled grazing can help improve or maintain productivity.
Wildlife habitat: The slow percolation is a major limitation that restricts plant growth necessary for good habitat. The potential for wind erosion is severe.
For additional information about the survey area, visit:
www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/texas/TX117/0/...
For a detailed description, visit:
soilseries.sc.egov.usda.gov/OSD_Docs/F/FRIONA.html
For acreage and geographic distribution, visit: