Reference health
Distribution of phosphorus, copper and zinc in activated sludge treatment process of swine wastewater
13/13 checkable references clean · checked 2026-07-23
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
7 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 13 checked references that resolve
resolves10.13031/2013.16097
BIOLOGICAL AEROBIC TREATMENT OF PIG SLURRY IN FRANCE: NUTRIENTS REMOVAL EFFICIENCY AND SEPARATION PERFORMANCES
resolves10.1080/10643380490434128
Distribution and Bioavailability of Trace Elements in Livestock and Poultry Manure By-Products
resolves10.1016/j.biortech.2004.03.007
Piggery wastewater characterisation for biological nitrogen removal process design
resolves10.1177/0734242X9601400606
Review of the Use of Swine Manure in Crop Production: Effects On Yield and Composition and On Soil and Water Quality
resolves10.2134/jeq2000.00472425002900020012x
Characterization and Extractability of Copper, Manganese, and Zinc in Swine Manure Composts
resolves10.1016/S0960-8524(99)00017-6
Heavy metal contents of livestock feeds and animal manures in England and Wales
resolves10.1016/0043-1354(91)90116-8
Removal of nitrogen and phosphorus from swine wastewater by the activated sludge units with the intermittent aeration process
resolves10.1016/j.biortech.2006.06.008
Removal and recovery of phosphorous from swine wastewater by demonstration crystallization reactor and struvite accumulation device
resolves10.2965/jswe.33.33
Nitrogen Concentrations of Activated Sludge Process Effluent of Swine Wastewater
The 7 references without a DOI — listed, not checked
no DOI — not checkedAPHA, 1998. Standard Methods for the Examination of Water and Wastewater, 20th ed. APHA.
no DOI — not checkedAnimal wastewater treatment for pollution control
no DOI — not checkedA survey of the contents of heavy metals in blended feed, feces and composts of swine
no DOI — not checkedJapan Livestock Industry Association (JLIA), 2005. Japanese Feeding Standard for Swine, Tokyo (in Japanese).
no DOI — not checkedSteinfeld, H., Gerber, P., Wassenaar, T., Castel, V., Rosales, M., de Haan, C., 2006. Livestock’s Long Shadow. Food and Agriculture Organization of the United Nations Chapter 4, Rome.
no DOI — not checkedA survey of zinc and copper contents of wastewater on pig farms in Aichi prefecture
no DOI — not checkedTchobanoglous, G., Burton, F.L., Stensel, H.D., 2003. Wastewater Engineering, 4th ed. NY.
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or importance of the work itself, and nothing about references deposited without a DOI.
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