scholarly journals Molecules with ALMA at Planet-forming Scales (MAPS). V. CO Gas Distributions

2021 ◽  
Vol 257 (1) ◽  
pp. 5 ◽  
Author(s):  
Ke Zhang ◽  
Alice S. Booth ◽  
Charles J. Law ◽  
Arthur D. Bosman ◽  
Kamber R. Schwarz ◽  
...  
Keyword(s):  
Co Gas

384. Evaluation of Commercial Electrochemical CO Gas Monitors

1999 ◽  
Author(s):  
S. Wang ◽  
H. Chein ◽  
D. Tang ◽  
J. Yu
Keyword(s):  
Co Gas

Reductive Hexamerization of CO Involving Cooperativity Between Magnesium(I) Reductants and [Mo(CO)6]: Synthesis of Well-Defined Magnesium Benzenehexolate Complexes

2020 ◽  
Author(s):  
Albert Paparo ◽  
K. Yuvaraj ◽  
Aidan J. R. Matthews ◽  
Iskander Douair ◽  
Laurent Maron ◽  
...  
Keyword(s):  
Unknown Mechanism ◽  
Co Gas

The first examples of magnesium benzenehexolate complexes are prepared by reductive hexamerizations of CO, in reactions that are initiated (or catalyzed) by [Mo(CO)<sub>6</sub>]. These reactions are closely related to Justus von Liebig’s classical 1834 study on the reduction of CO gas with molten potassium, which yields K<sub>6</sub>C<sub>6</sub>O<sub>6</sub> (amongst other products), by an as yet unknown mechanism.

ANALISIS PENGUKURAN KONSENTRASI KARBONMONOKSIDA (CO) PADA BREATHING ZONE PETUGAS PARKIR BASEMENT MALL KOTA BANDUNG

2019 ◽  
Author(s):  
Gede H Cahyana
Keyword(s):  
Air Pollution ◽  
Indoor Air ◽  
Indoor Air Pollution ◽  
Sampling Method ◽  
Breathing Zone ◽  
Gas Concentration ◽  
Average Value ◽  
Co Concentration ◽  
Personal Dosimeter ◽  
Co Gas

Indoor air pollution in closed room is one of the air pollution that gives serious threats to human health. One of them come from vehicle gas emissions in closed parking area. This research identifies and analyses CO concentration measured in Mall X parking man’s breathing zone with closed parking area and in Mall Y semi-opened parking area. CO measurement carried out by passive sampling method using Personal Dosimeter Tubes. Measurement result of CO gas concentration to parking man’s breathing zone in Mall X was 25 – 81,25 ppm with average value in 50 ± 26,15 ppm. Meanwhile CO gas concentration in Mall Y gave result 3,13 – 12,5 ppm with average value in 7,88 ± 4,36 ppm. Correlation value between CO concentration and its intake in Mall X area was 0,9983, meanwhile correlation value between CO concentration and its intake in Mall Y area was 0,9903. It was concluded that CO gas concentration measured in parking man’s breathing zone influenced the differences of CO intake value in significance value.

scholarly journals Low Dose Soft X‐Ray Remotely Triggered Lanthanide Nanovaccine for Deep Tissue CO Gas Release and Activation of Systemic Anti‐Tumor Immunoresponse

2021 ◽  
pp. 2004391
Author(s):  
Youbin Li ◽  
Mingyang Jiang ◽  
Zhiming Deng ◽  
Songjun Zeng ◽  
Jianhua Hao
Keyword(s):  
Low Dose ◽  
Gas Release ◽  
Deep Tissue ◽  
X Ray ◽  
Co Gas

Synergistic effects of SnO2 and Au nanoparticles decorated on WS2 nanosheets for flexible, room-temperature CO gas sensing

2021 ◽  
Vol 332 ◽  
pp. 129493
Author(s):  
Jae-Hun Kim ◽  
Jin-Young Kim ◽  
Ali Mirzaei ◽  
Hyoun Woo Kim ◽  
Sang Sub Kim
Keyword(s):  
Room Temperature ◽  
Au Nanoparticles ◽  
Gas Sensing ◽  
Synergistic Effects ◽  
Ws2 Nanosheets ◽  
Co Gas

scholarly journals Metabolic engineering of Moorella thermoacetica for thermophilic bioconversion of gaseous substrates to a volatile chemical

AMB Express ◽  
2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Junya Kato ◽  
Kaisei Takemura ◽  
Setsu Kato ◽  
Tatsuya Fujii ◽  
Keisuke Wada ◽  
...  
Keyword(s):  
Carbon Flux ◽  
Cost Effective ◽  
Gas Composition ◽  
Autotrophic Growth ◽  
Acetyl Coenzyme A ◽  
Volatile Chemicals ◽  
Moorella Thermoacetica ◽  
Gas Fermentation ◽  
Dry Cell ◽  
Co Gas

AbstractGas fermentation is one of the promising bioprocesses to convert CO2 or syngas to important chemicals. Thermophilic gas fermentation of volatile chemicals has the potential for the development of consolidated bioprocesses that can simultaneously separate products during fermentation. This study reports the production of acetone from CO2 and H2, CO, or syngas by introducing the acetone production pathway using acetyl–coenzyme A (Ac-CoA) and acetate produced via the Wood–Ljungdahl pathway in Moorella thermoacetica. Reducing the carbon flux from Ac-CoA to acetate through genetic engineering successfully enhanced acetone productivity, which varied on the basis of the gas composition. The highest acetone productivity was obtained with CO–H2, while autotrophic growth collapsed with CO2–H2. By adding H2 to CO, the acetone productivity from the same amount of carbon source increased compared to CO gas only, and the maximum specific acetone production rate also increased from 0.04 to 0.09 g-acetone/g-dry cell/h. Our development of the engineered thermophilic acetogen M. thermoacetica, which grows at a temperature higher than the boiling point of acetone (58 °C), would pave the way for developing a consolidated process with simplified and cost-effective recovery via condensation following gas fermentation.

Photoactive conjugated polymer/graphdiyne nanocatalyst for CO2 reduce into CO in living cells for hypoxia tumor treatment

2021 ◽  
Author(s):  
Endong Zhang ◽  
Zicheng Zuo ◽  
Wen Yu ◽  
Hao Zhao ◽  
Shengpeng Xia ◽  
...  
Keyword(s):  
Carbon Monoxide ◽  
Photodynamic Therapy ◽  
Tumor Microenvironment ◽  
Conjugated Polymer ◽  
Tumor Therapy ◽  
Living Cells ◽  
Tumor Treatment ◽  
Treatment Efficiency ◽  
Therapy Strategy ◽  
Co Gas

Carbon monoxide (CO) gas therapy has grown to be an emerging tumor therapy strategy to avoid low treatment efficiency of photodynamic therapy (PDT) caused by the hypoxia tumor microenvironment. However,...

Effects of the External Electric Field from a Substrate on Conductance Changes ofSnO2Thin Films by CO Gas

1996 ◽  
Vol 35 (Part 1, No. 6A) ◽  
pp. 3478-3482 ◽  
Author(s):  
Yoshiko Niki Kunishima ◽  
Masaru Miyayama ◽  
Hiroaki Yanagida
Keyword(s):  
Electric Field ◽  
External Electric Field ◽  
Conductance Changes ◽  
Co Gas

Metallographic Estimation of the Number of Forming Metallic Particles Obtained during Direct and Indirect Reduction of Metals from Complex Oxides

2019 ◽  
Vol 946 ◽  
pp. 523-527
Author(s):  
Arman S. Bilgenov ◽  
P.A. Gamov ◽  
V.E. Roshchin
Keyword(s):  
Metal Forming ◽  
Solid Phase ◽  
Quantitative Estimation ◽  
Direct Reduction ◽  
Reduction Process ◽  
Complex Oxide ◽  
Experimental Results ◽  
Solid Carbon ◽  
Indirect Reduction ◽  
Co Gas

The direct reduction of metals from a complex oxide with low iron content by solid carbon and indirect reduction by CO gas were studied in a vertical laboratory resistance furnace at 1300 °C for an hour reduction time. The experimental results were described from the point of view of the electrochemical nature of the metal reduction process, that involves the interaction of ions and electrons in the oxide lattice. The technique was developed by using the two different software programs for the quantitative estimation of the areas, average size and number of the metal forming in a complex oxide with extensive fields of vision. The obtained results of the quantitative characteristics of the metal forming during solid-phase carbo-thermal reduction were presented. The processes of reduction by solid carbon and CO gas based on the areas occupied by metal particles were quantitatively compared. The experimental results and the prospects for further experimental work were assessed and outlined.

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