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Porous ultrafine grinder Alps Electric Co., Ltd.

The present invention provides a porous ultrafine grinder including ultrafine abrasive grains of diamond or cubic boron nitride having an average grain size of 60 μm or less, and a binder which can form a fused phase by fusion with the ultrafine abrasive grains under heating. The binder is a porous material having continuous pores, and the

Production of porous oxide coatings with ultrafine

Read "Production of porous oxide coatings with ultrafine crystalline structure on medical implants fabricated from alloy 12Cr18Ni9Ti, Proceedings of SPIE" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Ultrafine Palladium Nanoparticles Stabilized in the

2020-12-28  Soluble covalent organic cages (COCs) were designed to comprise cryptand inner cavities and multiple metal-chelating sites on windows. The porous liquid formed by well-dispersed COCs in solution proves to be an excellent stabilizer for ultrafine palladium nanoparticles with a critical size of 1–3 nm using NaBH4 or methanol as a reductant. When transferring palladium nanoparticles stabilized

Ultrafine SnO2 nanoparticles encapsulated in 3D

2019-11-30  The unique microstructure provides abundant buffer room for volume change of SnO 2 and effective channel for the transport of ions and electrons. Benefitting from synergistic effect of 3D porous carbon and ultrafine SnO 2 nanoparticles, the 3D SnO 2 @C electrode displays superior high-rate and long-life performance in potassium-ion half-cells

Ultrafine platinum particles anchored on porous

2020-11-1  Ultrafine platinum particles anchored on porous boron nitride enabling excellent stability and activity for oxygen reduction reaction. This work provides a new strategy to engineer strong interactions between metal catalyst and supports to stabilize the metal catalyst and engineer its

Ultrafine Palladium Nanoparticles Stabilized in the Porous

2020-12-28  Ultrafine Palladium Nanoparticles Stabilized in the Porous Liquid of Covalent Organic Cages for Photocatalytic Hydrogen Evolution ACS Applied Energy Materials ( IF 4.473) Pub Date : 2020-11-18, DOI: 10.1021/acsaem.0c02222

Confined Growth of Porous Nitrogen-doped Cobalt Oxide

2019-12-31  Herein, vertically-aligned porous nanoarrays composed of ultrafine nitrogen-doped cobalt oxide (NP-Co 3 O 4) nanoparticles (4-5 nm) are in-situ fabricated on carbon cloth (CC) via mild oxidation of Co-based zeolitic-imidazolate-framework (Co-ZIF) nanoarrays.

Defects enriched hollow porous Co-N-doped carbons

2020-10-17  The construction and design of highly efficient and inexpensive bifunctional oxygen electrocatalysts substitute for noble-metal-based catalysts is highly desirable for the development of rechargeable Zn-air battery (ZAB). In this work, a bifunctional oxygen electrocatalysts of based on ultrafine CoFe alloy (4-5 nm) dispersed in defects enriched hollow porous Co-N-doped carbons, made

MOF‐Mediated Fabrication of a Porous 3D

The resulting superstructure has a porous 3D interconnected network with well‐arranged 2D carbon nanosheets on it, in which ultrafine cobalt phosphide nanoparticles are tightly immobilized. A single piece of this superstructure can be directly used as a self‐supported

Defects enriched hollow porous Co-N-doped carbons

2021-1-2  This universal structure design provides an attractive and instructive model for the application of nanomaterials derived from MOF in the field of sustainable flexible energy applications device. KEYWORDS oxygen reduction reaction, ultrafine CoFe alloy, hollow porous carbons, zeolitic imidazolate framework-67, Zn-air battery 1 Introduction

Production of porous oxide coatings with ultrafine

Read "Production of porous oxide coatings with ultrafine crystalline structure on medical implants fabricated from alloy 12Cr18Ni9Ti, Proceedings of SPIE" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Ultrafine porous graphitic carbon fiber and

As discussed earlier, the present invention provides the porous ultrafine graphitic carbon fiber of the halogenated polymers which cannot be easily prepared by the general fiber preparation process. The porous ultrafine graphitic carbon fiber has a large specific surface area, micropores and macropores, and thus is used as a carbon material for

Nano-porous ultra-high specific surface ultrafine

Nano-porous ultra-high specific surface ultrafine fibers are created by the method of “electrospinning-phase separation-leaching” (EPL) for the first time.

Synthesis and Characterization of Ultrafine and Porous

Abstract Porous sphere-shaped magnesium (MgFe 2 O 4) spinel ferrite particles were synthesized with high yields, crystallinity and purity through an easy, quick, reproducible and low-temperature hydrothermal synthesis route starting from an aqueous suspension of coprecipitated metal oxalates.The structural and morphological properties of the prepared materials were characterized by X-ray

Paper Mate Flair Porous-Point Felt Tip Pen, Ultra-Fine, 12

2015-5-26  Paper Mate Flair Porous-Point Felt Tip Pen, Ultra-Fine, 12-Pack, Red (8320152), 品牌: Paper Mate, Paper Mate, Paper Mate Flair Porous-Point Felt Tip

Ultrafine CeO2 Nanodots Embedded in Porous ZrO2

Ceria (CeO 2) has been regarded as one of the most promising industrial catalysts for hydrochloric acid (HCl) oxidation to replace RuO 2 ‐based catalysts. Thermal sintering and chlorination of CeO 2 limit its large‐scale application. In this work, ultrafine CeO 2 nanodots embedded in a porous ZrO 2 matrix (CeO 2 @ZrO 2) are successfully prepared by a spontaneous deposition method and

Nanomaterials Free Full-Text Ultrafine Pd

Simple and efficient synthesis of a nano-catalyst with an excellent catalytic property for hydrogen generation from hydrolysis of dimethyl amine-borane (DMAB) is a missing piece. Herein, effective and recycled palladium (Pd) nanoparticles (NPs) supported on soft nitriding porous carbon (NPC) are fabricated and applied for DMAB hydrolysis. It is discovered that the soft nitriding via a low

Defects enriched hollow porous Co-N-doped carbons

2021-1-2  This universal structure design provides an attractive and instructive model for the application of nanomaterials derived from MOF in the field of sustainable flexible energy applications device. KEYWORDS oxygen reduction reaction, ultrafine CoFe alloy, hollow porous carbons, zeolitic imidazolate framework-67, Zn-air battery 1 Introduction

A Facile Method to Prepare Ultrafine Pd Nanoparticles

2020-1-16  And Pd is regarded as a ideal alternative catalyst due to its high stability and catalytic activity. In this work, we designed a facile method to prepare a highly efficient electrocatalyst in which ultrafine Pd nanoparticles are embedded into N-doped porous carbon nanosheets for oxygen reduction reaction (ORR) in alkaline and acid media.

Vegetation collection efficiency of ultrafine particles

[1] A number of parameterization schemes are available to determine the collection efficiency of ultrafine particles (UFP) onto vegetated surfaces. One approach represents the vegetated elements as a fibrous filter with a characteristic fiber size that is difficult to a priori determine, while the other, a more conventional approach, represents vegetation as a porous medium.

Production of porous oxide coatings with ultrafine

Read "Production of porous oxide coatings with ultrafine crystalline structure on medical implants fabricated from alloy 12Cr18Ni9Ti, Proceedings of SPIE" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Ultrafine porous graphitic carbon fiber and

As discussed earlier, the present invention provides the porous ultrafine graphitic carbon fiber of the halogenated polymers which cannot be easily prepared by the general fiber preparation process. The porous ultrafine graphitic carbon fiber has a large specific surface area, micropores and macropores, and thus is used as a carbon material for

Synthesis and Characterization of Ultrafine and Porous

Abstract Porous sphere-shaped magnesium (MgFe 2 O 4) spinel ferrite particles were synthesized with high yields, crystallinity and purity through an easy, quick, reproducible and low-temperature hydrothermal synthesis route starting from an aqueous suspension of coprecipitated metal oxalates.The structural and morphological properties of the prepared materials were characterized by X-ray

Nanomaterials Free Full-Text Ultrafine Pd

Simple and efficient synthesis of a nano-catalyst with an excellent catalytic property for hydrogen generation from hydrolysis of dimethyl amine-borane (DMAB) is a missing piece. Herein, effective and recycled palladium (Pd) nanoparticles (NPs) supported on soft nitriding porous carbon (NPC) are fabricated and applied for DMAB hydrolysis. It is discovered that the soft nitriding via a low

Nanomaterials Free Full-Text Highly Stable Porous

1976-10-10  Nagasaki, M.; Kanamura, K. High-performance lithium metal rechargeable battery using an ultrafine porous polyimide separator with three-dimensionally ordered macroporous structure. ACS Appl. Energy Mater. 2019, 2, 3896–3903. [Google Scholar]

A Facile Method to Prepare Ultrafine Pd Nanoparticles

2020-1-16  And Pd is regarded as a ideal alternative catalyst due to its high stability and catalytic activity. In this work, we designed a facile method to prepare a highly efficient electrocatalyst in which ultrafine Pd nanoparticles are embedded into N-doped porous carbon nanosheets for oxygen reduction reaction (ORR) in alkaline and acid media.

Vegetation collection efficiency of ultrafine particles

a porous medium. To date, no attempts have been made to compare the performance of these two distinct approaches or bridge them so as to show the necessary conditions leading to their potential equivalence. In a wind tunnel study, the UFP collection efficiencies of pine branches at five different wind speeds, two branch orientations, and

Cementitious Ultrafine Grouts from U.S. Grout:

2021-1-28  1 • US Grout Ultrafine VX extends the application of economical cementitious grouts over a broad range of soil types. 2 • Sand column testing is a dynamic way to measure grout performance. Again and again, US Grout Ultrafine (right column) demonstrated rapid and complete permeation ability at low PSI (8) using a standard 2 to 1 water/grout

Porous hypercrosslinked polymer-TiO 2 -graphene

2019-2-8  The porous HCP-TiO 2-FG catalyst presented high average conversion efficiency with a rate of total consumed electron number (R e) as 264 μmol g −1 h −1, a CH 4 evolution rate of 27.62 μmol g

Critical Review of Fluid Flow Physics at Micro- to Nano

While there is a consensus in the literature that embracing nanodevices and nanomaterials helps in improving the efficiency and performance, the reason for the better performance is mostly subscribed to the nanosized material/structure of the system without sufficiently acknowledging the role of fluid flow mechanisms in these systems. This is evident from the literature review of fluid flow