搜索结果: 1-15 共查到“工学 Contamination”相关记录45条 . 查询时间(0.113 秒)
Could used beer yeast be the solution to heavy metal contamination in water?（图）
啤酒酵母 重金属污染 非活性酵母
2023/6/19
A new analysis by researchers at MIT’s Center for Bits and Atoms (CBA) has found that inactive yeast could be effective as an inexpensive, abundant, and simple material for removing lead contamination...
Velcro-like food sensor detects spoilage and contamination（图）
Velcro-like food sensor detects spoilage contamination
2020/9/25
Engineers have designed a Velcro-like food sensor, made from an array of silk microneedles, that pierces packaging to sample food for signs of spoilage and bacterial contamination.The sensor's microne...
2018年SPIE系统污染会议（SPIE Systems Contamination: Prediction, Control, and Performance 2018）
2018年 SPIE系统污染 会议
2017/11/27
This conference addresses how contamination affects system performance, science data results, and instrument and spacecraft design. While the primary emphasis is on molecular and particulate contamina...
UNDERSTANDING THE BEHAVIOUR OF CONTAMINATION SPREAD IN NAGARJUNA SAGAR RESERVOIR USING TEMPORAL LANDSAT DATA
Nutrient Pollution Nagarjuna Sagar reservoir Remote sensing LANDSAT Inland water bodies
2016/11/30
LANDSAT images are used to identify organic contaminants in water bodies, but, there is no enough evidence in present literature that LANDSAT is also good in identifying a mixture of organic and miner...
As energy companies decide what to do with aging coal ash disposal facilities in North Carolina and across the nation, they may be overlooking a fundamental but potentially critical variable—oxygen.In...
HYPERSPECTRAL IMAGE FILTERING AND IMPLICATIONS FOR ENVIRONMENTAL SPECTRA RELATED TO MINING CONTAMINATION: EXAMPLE FROM S.DOMINGOS MINE, SE PORTUGAL
atmospheric components physical models
2015/9/8
The removal of atmospheric components, a key factor that controls all subsequent image processing, is
usually dealt through statistical or physical models. However, noise components may not be comple...
OBJECT ORIENTED OIL SPILL CONTAMINATION MAPPING IN WEST SIBERIA WITH QUICKBIRD DATA
Oil Spill Quickbird Object Oriented Context Classification Siberia
2015/8/19
This paper presents concepts for an object based mapping and classification system for terrestrial oil spill pollutions in West-Siberia using Quickbird data. The work presented is part of the OSCaR pi...
Microbial contamination of paper-based food contact materials with different contents of recycled fiber
bacteria disposable materials health safety microbial purity recycled paper
2015/7/28
Recycled paper is commonly used in food packaging industry, especially for disposable products. The material coming into direct contact with food products must not represent a source of contamination ...
Variations in contamination by mercury, cadmium and lead on swine farms in the district of Hodonin in 1994 to 1999
swine farms heavy metals mercury cadmium
2015/1/20
Environmental samples (n = 254) were collected at regular intervals from 1994 to 1999 on three swine farms in the area of the district town Hodonín, Czech Republic. The samples of feed mixtures (n = 8...
New Tracers Can Identify Coal Ash Contamination in Water
New Tracers Coal Ash Contamination Water
2014/12/30
Durham, NC - Duke University scientists have developed new forensic tracers to identify coal ash contamination in water and distinguish it from contamination coming from other sources.“These new tools...
Mytilus galloprovincialis as Mussel Watch for Butyltins, Tin, Copper and Zinc Contamination, from Antifouling Paint Particles, in West Algerian Coastal Waters
Organotin Tin Copper Zinc Mytilus galloprovincialis GC-MS AAS
2013/3/11
Butyltin compounds (BTs) including tributyltin (TBT) and its degradation product (DBT) and concentrations of heavy metals (Sn, Cu and Zn) were determined in mussels (Mytilus galloprovincialis) collect...
Evaluation of Sources and Options for Possible Clean up of Anthropogenic Mercury Contamination in the Ankobra River Basin in South Western Ghana
Ankobra Basin Mercury Contamination Clean-up Old Tailings Sediments Water
2013/3/13
The study assesses the spatial distribution and sources of mercury contamination in the Ankobra River Basin in southwestern Ghana and discusses possible remediation options and challenges. Eighty-two ...
Libby Amphibole Contamination in Tree Bark Surrounding Historical Vermiculite Processing Facilities
Vermiculite Asbestos Amphibole Libby Exfoliation Tree Bark
2013/3/12
Over a 70-year period, a mine near Libby, MT supplied nearly 80% of the world’s vermiculite. Raw vermiculite, which was contaminated with naturally occurring amphibole in veins throughout the deposit,...
Turbidimetric Determination of Hydrocarbon Contamination in Passaic River Sediments and Refinery Polluted Soils
Hydrocarbon Contamination Turbidimetry Refinery Soils Passaic River Sediments
2013/3/12
A rapid method is described for the determination of petroleum hydrocarbons in soil samples. The method is based on the extraction of hydrocarbons by a solvent and the treatment of the solution with a...
Microbial Contamination and Mycotoxins from Nuts in Riyadh, Saudi Arabia
Microbial Contamination Saudi Arabia
2016/6/1
The occurrence of harmful aflatoxins from agricultural products varies with geographic location, farming practices and processing. To date, no data was reported from Saudi Arabia on mycotoxin content ...