CO2 Meter: A do-it-yourself carbon dioxide measuring device for the classroom

A research team at UVM, led by Dr. Carol Adair and Dr. Heather Darby, is evaluating the benefits and drawbacks of four different tillage approaches (conventional, strip, vertical, and no till) and two different methods of manure application (broadcast and injection). The goal is to determine the practices best suited for reducing greenhouse gas emission, improving carbon storage and limiting nitrogen losses. The team measures carbon dioxide and nitrous oxide emissions from the treatments every two weeks or more frequently after events (large rainfall, manure application) using a measuring device called photoacoustic multigas monitor.

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Indoor Ecosystem Services: Impacts of Plants on Air Quality

Contemporary Agriculture ◽

10.2478/contagri-2019-0003 ◽

2019 ◽

Vol 68 (1-2) ◽

pp. 12-16

Author(s):

Martina Zorić ◽

Mitar Simić ◽

Saša Orlović ◽

Emina Mladenović ◽

Zdenka Babić

Keyword(s):

Carbon Dioxide ◽

Ecosystem Services ◽

Air Quality ◽

Indoor Air Quality ◽

Human Health ◽

Indoor Air ◽

Sudden Increase ◽

Measuring Device ◽

Purification System

Summary Ecosystem services have been the focus of recent research on ecology, biodiversity and human health. As most of this research has placed emphasis on natural ecosystems, there is a lack of data on the effect of indoor and urban ecosystems on both human health and the quality of human life. One of the most common health issues associated with urban and indoor spaces is the quality of air. Considering that humans spend most of their time indoors, accompanied by a lack of fresh air due to industry growth and environmental degradation, there is an obvious need for a non-invasive and non-obtrusive air purification system. This paper presents the results of the indoor air quality monitoring under non-controlled conditions, i.e. the changes in air quality induced by the common indoor ornamental plant Sansevieria trifasciata ‘Laurentii’. The following air quality parameters were observed: the relative humidity and temperature of air, as well as the concentrations of carbon-dioxide, methane and overall VOCs. Measurements were performed using the commercial CO2 data logger Extech SD800 and the in-house developed Arduino Uno-based measuring device with different sensors. The results obtained show the changes in the indoor air quality relative to the presence or absence of the selected plants. A sudden increase in the overall VOC (NH3, NOx, benzene and smoke), methane and carbon-dioxide concentrations was recorded after the plants were removed from the indoor space. The purpose of this research is to form a basis for designing a biological purification system as a low-cost and environment-friendly method for the monitoring and purification of indoor air.

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Capacity Measuring Devices and Applications of Carbon Dioxide Absorption by Ammonia Water

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.502.302 ◽

2012 ◽

Vol 502 ◽

pp. 302-305

Author(s):

Guo De Li ◽

Shi Wei Wu ◽

Na Li

Keyword(s):

Carbon Dioxide ◽

Measurement Method ◽

Research Direction ◽

Absorption Capacity ◽

Carbon Dioxide Absorption ◽

Measuring Device ◽

Ammonia Water ◽

Measuring Devices ◽

Simple Measurement ◽

Ammonia Absorption

Ammonia water has strong absorption ability for CO2, so ammonia absorption method became an important research direction and has a good application prospect. In this study we designed a simple measurement method and measuring device for carbon dioxide absorption capacity by ammonia. The device is commonly used by a simple instrument assembly and modified. The measurement method is simple and convenient, has strong adaptability, no risk, the data is stability, the results are clear.

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Perancangan dan Implementasi Alat Pengukur Tingkat Polusi Udara Karbon Monoksida dan Debu Berbasis Website Menggunakan Raspberry Pi

RESISTOR (elektRonika kEndali telekomunikaSI tenaga liSTrik kOmputeR) ◽

10.24853/resistor.4.1.69-76 ◽

2021 ◽

Vol 4 (1) ◽

pp. 69

Author(s):

Riza Samsinar ◽

Ichsanul Fikri ◽

Fadliondi Fadliondi

Keyword(s):

Carbon Dioxide ◽

Air Pollution ◽

Carbon Monoxide ◽

Human Life ◽

Ultra Violet ◽

Raspberry Pi ◽

Ultraviolet Rays ◽

Measuring Device ◽

Pollution Levels ◽

Carbon Dioxide Co2

Udara merupakan unsur terpenting dalam kehidupan manusia. polusi udara muncul menjadi masalah yang serius di kota-kota besar, polutan yang ada di udara tersebut berbahaya bagi kesehatan manusia dan lingkungan. Udara yang berada disekeliling bumi yang fungsinya sangat penting bagi kehidupan di dunia ini. Dalam udara terdapat unsur oksigen (O2) untuk bernafas, karbon dioksida (CO2) untuk proses fotosintesis oleh klorofil pada daun dan ozon (O3) untuk menahan sinar ultra violet. Susunan (komposisi) udara bersih dan kering, tersusun oleh: Nitrogen (N2) 78,09%, Oksigen (O2) 21,94%, Argon (Ar) 0,93%, Karbon dioksida 0,032%. Untuk menyelesaikan masalah tersebut membuat perancangan dan implementasi alat pengukur tingkat polusi udara karbon monoksida dan debu berbasis website menggunakan raspberry pi. Bertujuan untuk mengetahui kadar polusi udara karbon monoksida dan debu. Supaya dapat dimonitoring melalui handphone dan laptop. Hasil dari alat perancangan dan implementasi alat pengukur tingkat polusi udara karbon monoksida dan debu. Untuk mengukur sebuah karbon monoksida dan mengukur debu pada polutan di luar ruangan seperti jalan raya yang dapat dimonitoring melalui handphone dan laptop. Dengan pengujian pada waktu berangkat kerja, waktu makan siang, dan waktu pulang kerja.Air is the most important element in human life. Air pollution appears to be a serious problem in big cities, the pollutants in the air are harmful to human health and the environment. The air that surrounds the earth whose function is very important for life in this world. In the air there are elements of oxygen (O2) for breathing, carbon dioxide (CO2) for photosynthesis by chlorophyll in leaves and ozone (O3) to withstand ultraviolet rays. Composition (composition) of clean and dry air, composed of: Nitrogen (N2) 78.09%, Oxygen (O2) 21.94%, Argon (Ar) 0.93%, Carbon dioxide 0.032%. To solve this problem, we designed and implemented a website-based carbon monoxide and dust level measuring device using raspberry pi. Aims to determine air pollution levels of carbon monoxide and dust. So that it can be monitored via cellphones and laptops. The results of the tool design and implementation of measuring devices for air pollution levels of carbon monoxide and dust. To measure a carbon monoxide and measure dust in outdoor pollutants such as roads that can be monitored via cellphones and laptops. By testing on the time to go to work, lunch time, and time to come home from work.

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What is the Connection between Soil Carbon Dioxide Emission, Global Warming and Food Security?

European Journal of Sustainable Development ◽

10.14207/ejsd.2019.v8n5p21 ◽

2019 ◽

Vol 8 (5) ◽

pp. 21 ◽

Cited By ~ 1

Author(s):

Agnes Toro ◽

Endre Harsányi

Keyword(s):

Carbon Dioxide ◽

Global Warming ◽

Food Security ◽

Co2 Emission ◽

Carbon Dioxide Emission ◽

Soil Disturbance ◽

The European Union ◽

Measuring Device ◽

Strip Tillage ◽

Set Up

In the heart of the western civilization, mainly in the European Union, we are more interested in the quality of the food than in its quantity. Due to our ever-changing world we have to pay more attention to the future of the latter, namely to food security. As food security depends on global warming as well, one of its triggering actors was selected for analysis, the emission of carbon dioxide from the soil. The experiments were set up in the Látókép experimental site, which is situated in the eastern part of Hungary. I have examined the effect of less soil disturbance regarding the CO2 emission, in the case of winter ploughing, strip tillage and subsoiling methods. Measurements were performed with five differently placed and unique cylinders and with the help of the TESTO 535 measuring device. The results confirmed the hypothesis: less emission can help in the fight against global warming, thus it has a direct link to and impact on food security. Keywords: food security, global warming, CO2 emission, tillage methods

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Electron Cytochemical Study of Carbon Dioxide Laser Effect on Rhesus Monkey Cornea

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s042482010005113x ◽

1974 ◽

Vol 32 ◽

pp. 224-225

Author(s):

K. C. Tsou ◽

J. Morris ◽

P. Shawaluk ◽

B. Stuck ◽

E. Beatrice

Keyword(s):

Carbon Dioxide ◽

Electron Microscope ◽

Rhesus Monkey ◽

Carbon Dioxide Laser ◽

Cytochemical Study ◽

Laser Effect

While much is known regarding the effect of lasers on the retina, little study has been done on the effect of lasers on cornea, because of the limitation of the size of the material. Using a combination of electron microscope and several newly developed cytochemical methods, the effect of laser can now be studied on eye for the purpose of correlating functional and morphological damage. The present paper illustrates such study with CO2 laser on Rhesus monkey.

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The Critical Point Drying Method Applied to Scanning Electron Microscopy of L-929 Cells

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100068382 ◽

1970 ◽

Vol 28 ◽

pp. 278-279

Author(s):

Charles TurnbiLL ◽

Delbert E. Philpott

Keyword(s):

Electron Microscopy ◽

Carbon Dioxide ◽

Surface Tension ◽

Critical Point ◽

Freeze Drying ◽

Attractive Alternative ◽

Crystal Formation ◽

Critical Point Drying ◽

Time Required ◽

Scanning Electron

The advent of the scanning electron microscope (SCEM) has renewed interest in preparing specimens by avoiding the forces of surface tension. The present method of freeze drying by Boyde and Barger (1969) and Small and Marszalek (1969) does prevent surface tension but ice crystal formation and time required for pumping out the specimen to dryness has discouraged us. We believe an attractive alternative to freeze drying is the critical point method originated by Anderson (1951; for electron microscopy. He avoided surface tension effects during drying by first exchanging the specimen water with alcohol, amy L acetate and then with carbon dioxide. He then selected a specific temperature (36.5°C) and pressure (72 Atm.) at which carbon dioxide would pass from the liquid to the gaseous phase without the effect of surface tension This combination of temperature and, pressure is known as the "critical point" of the Liquid.

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