Ultrafine crushed modified regenerated carbon black

Determinants of ultrafine particles, black carbon, nitrogen dioxide, …

This study presents real-time concentrations of traffic-related air pollutants during 499 trips conducted by 50 Parisian taxi drivers from PUF-TAXI project. Ultrafine particles (UFPs), black carbon (BC), and nitrogen dioxide (NO 2)/carbon monoxide (CO) were measured inside vehicles by Diffusion Size Classifier Miniature ®, microAeth ®, and Gas-Pro ®, respectively, for nine …

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CN112844735A

The invention discloses a carbon black ultrafine grinding system which comprises a classifier, a micron grinder and an impact mill, wherein the top and the bottom of the classifier are respectively provided with a qualified product outlet and a large particle outlet, and ...

Ultrafine carbon black disturbs heart rate variability in mice

We propose that carbon black (CB), one of the main components in PM, may affect HRV through mechanisms independent of cardio-pulmonary and systemic inflammation and/or injury. Male C57BL/6 mice were exposed by intra-tracheal instillation to ultrafine CB (once every two days for three times) at doses of 0, 0.05, 0.15 and 0.6 mg/kg. HRV indices ...

Toxic effects and mechanisms of oxidative stress induced by modified ultrafine carbon black

Toxic effects and mechanisms of oxidative stress induced by modified ultrafine carbon black Chenhao JIA(),Rutao LIU*() School of Environment Science and Engineering, Shandong University, Qingdao 266200, Shandong, China Received:2018-10-18 ...

Ultrafine carbon black attenuates the antihypertensive effect of captopril in spontaneously hypertensive …

Ultrafine carbon black attenuates the antihypertensive effect of captopril in spontaneously hypertensive rats. Zhang X(1), Chen Y, Wei H, Qin Y, Hao Y, Zhu Y, Deng F, Guo X. Author information: (1)Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Haidian District, Beijing, China.

Three-Dimensional Ordered Mesoporous Carbon Spheres Modified with Ultrafine Zinc Oxide Nanoparticles for Enhanced Microwave Absorption Properties ...

 · Currently, electromagnetic radiation and interference have a significant effect on the operation of electronic devices and human health systems. Thus, developing excellent microwave absorbers have a huge significance in the material research field. Herein, a kind of ultrafine zinc oxide (ZnO) nanoparticles (NPs) supported on three-dimensional (3D) ordered mesoporous …

Ultrafine PdAu nanoparticles immobilized on amine functionalized carbon black …

Ultrafine and highly dispersed PdAu nanoparticles were immobilized on amine functionalized carbon black (VXC-72-NH2) for dehydrogenation of formic acid (FA). The introduction of amines is of vital importance for the formation of ultrafine PdAu nanoparticles (∼1.5 nm). Moreover, the presence of the amino grou

Short-term association of in-vehicle ultrafine particles and black carbon concentrations with respiratory health …

 · PDF | Introduction Professional drivers are exposed inside their vehicles to high levels of air pollutants due to the considerable time they spend close... | …

Acute exposure of mice to high-dose ultrafine carbon black decreases susceptibility to pneumococcal …

 · 1. Part Fibre Toxicol. 2010 Oct 19;7:30. doi: 10.1186/1743-8977-7-30. Acute exposure of mice to high-dose ultrafine carbon black decreases susceptibility to pneumococcal pneumonia. Tellabati A(1), Fernandes VE, Teichert F, Singh R, Rylance J, Gordon S, Andrew

Characterization of the Ultrafine and Black Carbon Emissions from Different Aviation Alternative Fuels

 · This study reports gaseous and particle (ultrafine and black carbon (BC)) emissions from a turbofan engine core on standard Jet A-1 and three alternative fuels, including hydrothermolysis synthetic kerosene with aromatics (CH-SKA), 50% Hydro-processed Esters and Fatty Acid paraffinic kerosene (

Preparation method for dry-process ultrafine modified hydrated white carbon black …

 · CN-103360797-B chemical patent summary. This web page summarizes information in PubChem about patent CN-103360797-B. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and ...

Surface composition dominates the electrocatalytic reduction of CO2 on ultrafine CuPd nanoalloys

 · 1 INTRODUCTION The electrochemical reduction of CO 2 into carbon-based fuels and chemicals by renewable electricity has been considered to be a promising way to alleviate their influence on climate. 1-5 While the more negative theoretical potential for the CO 2 reduction in aqueous solution than that for the competitive hydrogen evolution reaction (HER) requires …

Reductions in traffic-related black carbon and ultrafine particle …

 · Herein we compare air pollution measurements from the Somerville monitoring route and on I-93 before and during the pandemic lockdown period. The lockdown period is defined as March 24, 2020 (when the governor ordered that non-essential offices and businesses cease in-person operations (Governor Charlie Baker Orders All Non-Essential Businesses To Cease In …

Study of the effects of ultrafine carbon black on the structure and …

Therefore, we experimentally explored the effects of ultrafine carbon black (UFCB) on the structure and function of trypsin. After a short-term exposure to UFCB, the trypsin aromatic amino acid microenvironment, protein backbone and secondary structure were changed significantly, and the enzyme activity showed a trend that rose at first, then dropped.

Carbon-supported ultrafine Pt nanoparticles modified with trace amounts of cobalt as enhanced oxygen reduction reaction catalysts …

 · The resulting catalyst, consisting of carbon-supported ultrafine platinum nanoparticles modified with trace amounts of Co, was thoroughly characterized by physical methods. Electrochemical measurements further reveal that the as-synthesized Pt-Co/C catalyst exhibits a significantly enhanced electrocatalytic activity and stability in the ORR when applied as …

Ultra-Fine Crushed Glass

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Ultrafine carbon black particles enhance respiratory syncytial virus …

 · In this study, we examined the effects of carbon black (CB) on RSV-induced pulmonary inflammation, chemokine and cytokine expression, and airway hyperresponsiveness in a mouse model of RSV. BALB/c mice were instilled via the trachea (i.t.) with 1 x 106 plaque forming units (pfu) RSV or with uninfected culture media.

Ultrafine carbon black particles cause early airway inflammation …

To gain more insight into the mechanisms of particulate matter (PM)-induced adjuvant activity, we studied the kinetics of airway toxicity/inflammation and allergic sensitization to ovalbumin (OVA) in response to ultrafine carbon black particles (CBP). Mice were exposed intranasally to …

Ultrafine carbon black disturbs heart rate variability in mice

 · We propose that carbon black (CB), one of the main components in PM, may affect HRV through mechanisms independent of cardio-pulmonary and systemic inflammation and/or injury. Male C57BL/6 mice were exposed by intra-tracheal instillation to ultrafine CB (once every two days for three times) at doses of 0, 0.05, 0.15 and 0.6 mg/kg. HRV indices ...

Evaluating the regulated emissions, air toxics, ultrafine particles, and black carbon …

 · Clearly, black carbon emissions were 3–7 times higher for the SI-DI vehicles compared to PFI vehicles, suggesting that SI-DI PM were primarily elemental carbon or soot in nature. This does not apply to PFI vehicles where the PM is primarily organic in nature [17] .

Exposure to fine, ultrafine particles and black carbon in two …

 · Exposure of children to fine, ultrafine (10 nm–1 µm) particles and black carbon particles present inside and near two preschools in Nur‐Sultan, Kazakhstan, during Fall 2019 was investigated. For Preschool I, the average daily (6 h) indoor (outdoor) PM 1, PM 2.5, and PM 10 concentrations over three‐week measurements were 15.0 (SD 12.5) µg/m 3, 34.6 (SD 35.1) …

Characterizing the binding interaction between ultrafine carbon black (UFCB) and catalase: electron microscopy and spectroscopic …

1. Introduction Over the past decade, nanotechnology has become an emerging field and consists of an extensive range of technologies processing materials that have at least one dimension between 1 and 100 nm. 1–3 Carbon-based nanoparticles such as ultrafine carbon black (UFCB) have been intentionally applied in producing inks, coatings, battery cathodes and …

CN103360797A

The invention discloses a preparation method for dry-process ultrafine modified hydrated white carbon black. The preparation method comprises a formula and a process method. The dry-process ultrafine modification method comprising ball milling, calcining ...

Ultrafine Mo2C nanoparticle decorated N-doped carbon nanofibers for efficient hydrogen production …

Molybdenum (Mo) carbide-based materials are considered to be promising electrocatalysts for the hydrogen evolution reaction (HER). One dimensional nanostructured Mo carbides are advantageous in providing abundant accessible catalytically active sites and facilitating electron and mass transfer. In this work,

Interaction effects of ultrafine carbon black with iron and nickel on heart rate variability in spontaneously hypertensive …

1. Environ Health Perspect. 2007 Jul;115(7):1012-7. Interaction effects of ultrafine carbon black with iron and nickel on heart rate variability in spontaneously hypertensive rats. Chang CC(1), Hwang JS, Chan CC, Cheng TJ. Author information: (1)Institute of Occupational Medicine and Industrial Hygiene, National Taiwan University, Taipei, Taiwan.

ultrafine carbon black grinding machine grinding mill

Working principle of waste tyre pyrolysis carbon black grinding mill machine mills machine 1.The main bearing and each dial are driven by electromotor of main machine through reducer, and numbers of roller which are rolling in the ring,which are driven by dial through plunger. 3.The material is scattered to the edge and fallen into the ring rolling,then it is …

Ultrafine, fine, and black carbon particle concentrations in …

 · To address this data gap, we measured ultrafine particles (UFP), PM 2.5, PM 10, and black carbon in 40 California child‐care facilities and examined associations with potential determinants. We also tested a low‐cost optical particle measuring device (Dylos monitor).

Ultrafine black carbon caused mitochondrial oxidative stress, …

 · Printex U carbon black (Degussa Company, Germany), widely used as a model of ambient BC particle, was chosen and applied in this study (Mul et al., 1998; Gao et al., 2016). The uBC powder showed agglomerated structures with a diameter of approximately 30 nm as examined with transmission electron microscope method.

JP2886935B2

JP2886935B2 - Method for producing modified ultrafine carbon fibrils - Google Patents Method for producing modified ultrafine carbon fibrils Info Publication number JP2886935B2 JP2886935B2 JP8786690A ...

Ultrafine Pt Nanoparticles Supported on Ultrathin Nanobowl‐Shaped N‐doped Carbon …

 · Herein, we report a facile strategy to efficiently anchor ultrafine Pt nanoparticles on ultrathin nanobowl-shaped N-doped carbon (Pt [email protected]). Ultrathin layers of a two-dimensional covalent organic framework (COF) were synthesized as the support via a hard-template strategy and Pt precursors were homogeneously dispersed in the COF via a gas-phase diffusion method.

CN103360797B

The invention discloses a preparation method for dry-process ultrafine modified hydrated white carbon black. The preparation method comprises a formula and a process method. The dry-process ultrafine modification method comprising ball milling, calcining ...