Search results for: Quan Zhang

Items from 1 to 20 out of 1,196 results

article

Occurrence characteristics and enrichment mechanism of cobalt in pyrite from the Han‐Xing type skarn iron deposit using laser‐ablation inductively‐coupled‐plasma mass‐spectrometry elemental mapping, Taihang Mountain, China

Chao Qin, Ju‐Quan Zhang, Masroor Alam, Yu‐Ying Tang, more

Geological Journal > 59 > 10 > 2860 - 2882

Cobalt is a critical and strategic metal mainly found as associated element in several types of deposits, of which skarn‐type deposits are the major sources. Han‐Xing type skarn iron deposit, having high grade iron ore and associated cobalt, is a typical skarn‐type iron ore in China. But the complete recovery and exploitation of cobalt are restricted because of the lower grade of related cobalt and...

article

An Intelligent Cockpit Tailored Carpet for Human‐Vehicle Interaction Enhancement and Driving Intention Recognition

Xiao Lu, Yifei Gong, Haodong Zhang, Haiqiu Tan, more

Advanced Functional Materials > 34 > 40 > n/a - n/a

In the realm of intelligent cockpits, the predominant emphasis on enhancing driving safety and comfort through human‐vehicle interaction and driving behavior monitoring has conventionally centered on the upper body of the driver. Regrettably, the wealth of information inherent in the lower half of the driver's body, particularly the feet, tends to be systematically underestimated by researchers. A...

article

Modelling of sap flux density of oak in a humid region in China

Yujie Liu, Zhengbing Chen, Lei Cheng, Shujing Qin, more

Ecohydrology > 17 > 5 > n/a - n/a

Transpiration plays a vital role in determining the watershed water cycle. However, we still have little knowledge of the characteristics of tree transpiration in the Hanjiang River Basin, which is the water source for the middle route of South‐to‐North water diversion project. Here, we measured sap flux density of oak trees (Quercus, the dominant species here) at the 10‐min resolution for 2 years...

article

Integer flows on triangularly connected signed graphs

Liangchen Li, Chong Li, Rong Luo, Cun‐Quan Zhang

Journal of Graph Theory > 106 > 2 > 257 - 272

A triangle‐path in a graph

G

is a sequence of distinct triangles

T_{1}, T_{2}, \dots, T_{m}

G

such that for any

i, j

with

1 \leq i < j \leq m

∣ E (T_{i}) \cap E (T_{i + 1}) ∣ = 1

and

E (T_{i}) \cap E (T_{j}) = \emptyset

j > i + 1

. A connected graph

G

is triangularly...

article

Nanoarchitectonics and catalytic performances of metal–organic frameworks supported metal nanoparticles

Yun‐Long Wu, Peng‐Fei Tang, Quan Zhang, Yang‐Tian Yan, more

Applied Organometallic Chemistry > 38 > 1 > n/a - n/a

Metal–organic frameworks (MOFs) supported metal nanoparticles (MNPs) (MNPs@MOFs) composites, as a class of effective functional materials, have been extensively explored because of the synergetic effect of MOFs and MNPs. Lots of synthesized methods are developed to synthesize MNPs@MOFs composites. These strategies can be generally divided into four main synthesis strategies: ship‐in‐the‐bottle, bottle‐around‐the‐ship,...

article

Total Synthesis of the Proposed Structure of Neaumycin B

Sen Zhang, Songming Zhang, Yunlong Fan, Xuhai Zhang, more

Angewandte Chemie International Edition > 62 > 51 > n/a - n/a

The total synthesis of the proposed structure of anti‐glioblastoma natural product neaumycin B was achieved in 22 steps (longest linear sequence). The synthesis features HCl‐mediated [6,6]‐spiroketalization, a combination of Krische iridium‐catalyzed crotylation, Marshall palladium‐catalyzed propargylation, Fürstner nickel‐catalyzed regio‐ and enantioselective vicinal monoprotected diol formation,...

article

Total Synthesis of the Proposed Structure of Neaumycin B

Sen Zhang, Songming Zhang, Yunlong Fan, Xuhai Zhang, more

Angewandte Chemie > 135 > 51 > n/a - n/a

article

Metal‐Organic Frameworks and Their Derivatives‐Based Nanostructure with Different Dimensionalities for Supercapacitors

Aitang Zhang, Quan Zhang, Hucheng Fu, Hanwen Zong, more

Small > 19 > 48 > n/a - n/a

With the urgent demand for the achievement of carbon neutrality, novel nanomaterials, and environmentally friendly nanotechnologies are constantly being explored and continue to drive the sustainable development of energy storage and conversion installations. Among various candidate materials, metal‐organic frameworks (MOFs) and their derivatives with unique nanostructures have attracted increasing...

article

Promoted Photocatalytic Hydrogen Evolution by Tuning the Electronic State of Copper Sites in Metal‐Organic Supramolecular Assemblies

Ning Liu, Jialong Jiang, Zhonghang Chen, Boyuan Wu, more

Angewandte Chemie International Edition > 62 > 47 > n/a - n/a

The electronic state in terms of charge and spin of metal sites is fundamental to govern the catalytic activity of a photocatalyst. Herein, we show that modulation of the electronic states of Cu sites, without changing the coordination environments, of two metal‐organic supramolecular assemblies based on π⋅⋅⋅π stacking can significantly improve photocatalytic activity. The use of these heterogeneous...

article

Promoted Photocatalytic Hydrogen Evolution by Tuning the Electronic State of Copper Sites in Metal‐Organic Supramolecular Assemblies

Ning Liu, Jialong Jiang, Zhonghang Chen, Boyuan Wu, more

Angewandte Chemie > 135 > 47 > n/a - n/a

article

FBAR: An effective method for resolving large‐scale IPv6 aliases

Mengfan Liu, Yi Guo, Hongtao Zhang, Liancheng Zhang, more

International Journal of Communication Systems > 36 > 18 > n/a - n/a

With the promotion and application of IPv6 in the world, there is a growing demand for IPv6 alias resolution. How to resolve IPv6 alias efficiently and accurately becomes an urgent problem to be solved. After analyzing the features of IPv6 addresses, this paper proposes a large‐scale adaptive IPv6 alias resolution method based on fingerprint information by combining Too‐Big Trick, UAv6, APD, and other...

article

Novel Semiconductive Ternary Hybrid Heterostructures for Artificial Optoelectronic Synapses

Jing‐Yan Liu, Xiang‐Hong Zhang, Hua Fang, Shu‐Quan Zhang, more

Small > 19 > 44 > n/a - n/a

Synaptic devices that mimic biological synapses are considered as promising candidates for brain‐inspired devices, offering the functionalities in neuromorphic computing. However, modulation of emerging optoelectronic synaptic devices has rarely been reported. Herein, a semiconductive ternary hybrid heterostructure is prepared with a D‐D’‐A configuration by introducing polyoxometalate (POM) as an...

article

Interfacial Water Tuning by Intermolecular Spacing for Stable CO₂ Electroreduction to C₂₊ Products

Zhengzheng Liu, Ximeng Lv, Shuyi Kong, Mingtai Liu, more

Angewandte Chemie International Edition > 62 > 43 > n/a - n/a

Electroreduction of CO₂ to multi‐carbon (C₂₊) products is a promising approach for utilization of renewable energy, in which the interfacial water quantity is critical for both the C₂₊ product selectivity and the stability of Cu‐based electrocatalytic sites. Functionalization of long‐chain alkyl molecules on a catalyst surface can help to increase its stability, while it also tends to block the transport...

article

Interfacial Water Tuning by Intermolecular Spacing for Stable CO₂ Electroreduction to C₂₊ Products

Zhengzheng Liu, Ximeng Lv, Shuyi Kong, Mingtai Liu, more

Angewandte Chemie > 135 > 43 > n/a - n/a

article

Trinuclear Dy(III) Single‐Molecule Magnets with Two‐Step Relaxation

Yi‐Shu Jin, Cai‐Ming Liu, Yi‐Quan Zhang, Hui‐Zhong Kou

Chinese Journal of Chemistry > 41 > 20 > 2641 - 2647

The reaction of DyCl₃⋅6H₂O with a rigid diacylhydrazone ligand (H₂L) afforded a trinuclear precursor [Dy₃L₂Cl₃(H₂O)₂(CH₃OH)]Cl₂⋅3CH₃OH (1). The replacement of the Cl^– ions and the coordinating solvents by the aryloxides ligands (L^x)^– yields three trinuclear complexes [Dy₃L₂(L^x)₅]⋅nsol (x = 1,2‐naphthol (2); x = 2,7‐hydroxycoumarin (3); and x = 3, phenol (4)). In complexes 2—4, two end Dy³⁺ centers...

article

Helicobacter hepaticus promotes liver fibrosis through oxidative stress induced by hydrogenase in BALB/c mice

Shuyang Cao, Yuanyuan Zhang, Ruoyu Bao, Tao Wang, more

Helicobacter > 28 > 5 > n/a - n/a

Background It has been documented that Helicobacter hepaticus produces a nickel‐containing hydrogen‐oxidizing hydrogenase enzyme, which is necessary for hydrogen‐supported amino acid uptake. Although H. hepaticus infection has been shown to promote liver inflammation and fibrosis in BALB/c mice, the impact of hydrogenase on the progression of liver fibrosis induced by H. hepaticus has not been explored...

article

A Novel Multifunctional Crosslinking PVA/CMCS Hydrogel Containing Cyclic Peptide Actinomycin X2 and PA@Fe with Excellent Antibacterial and Commendable Mechanical Properties

Fengyun Chen, Ansar Javeed, Qiuyu Zeng, Quan Zhang, more

Chemistry & Biodiversity > 20 > 8 > n/a - n/a

Bacterial infected environments and resulting bacterial infections have been threatening the human health globally. Due to increased bacterial resistance caused by improper and excessive use of antibiotics, antibacterial biomaterials are being developed as alternatives to antibiotics in some cases. Herein, an advanced multifunctional hydrogel with excellent antibacterial properties, enhanced mechanical...

article

Regulating Magnetic Relaxations of Cyano‐Bridged {Dy^IIIMo^V} Systems by Tuning the N‐Sites in β‐Diketone Ligands

Pan‐Dong Mao, Shi‐Hui Zhang, Nian‐Tao Yao, Hui‐Ying Sun, more

Chemistry – A European Journal > 29 > 45 > n/a - n/a

Cyano‐bridged 4d–4f molecular nanomagnets have re‐called increasing research interests in molecular magnetism since they offer more possibilities in achieving novel nanomagnets with versatile structures and magnetic interactions. In this work, four β‐diketone ligands bearing different substitution N‐sites were designed and synthesized, namely 1‐(2‐pyridyl)‐3‐(3‐pyridyl)‐1,3‐propanedione (HL¹), 1,3‐Bis...

article

Enhancing Photovoltaic Performance of Ladder‐Type Heteroarene‐Based Electron Acceptors by Modulating Molecular Packing^†

Hongxin Tao, Changquan Tang, Yunlong Ma, Shu‐Quan Zhang, more

Chinese Journal of Chemistry > 41 > 17 > 2143 - 2150

The development of novel building blocks with sp³‐hybridized‐carbon‐free conjugated skeletons is important to further advance and enrich nonfullerene acceptors (NFAs), but this remains a challenge due to the lack of strategies to effectively modulate the aggregation behavior of resulting NFAs. Herein, two novel nitrogen‐bridged octacyclic ladder‐type heteroarenes end‐capped with thiophene rings (BTPS)...

article

Fronto‐parieto‐subthalamic activity decodes motor status in Parkinson's disease

Quan Zhang, Hutao Xie, Baotian Zhao, Zixiao Yin, more

CNS Neuroscience & Therapeutics > 29 > 7 > 1999 - 2009

Aims Patients with Parkinson's disease (PD) have various motor difficulties, including standing up, gait initiation and freezing of gait. These abnormalities are associated with cortico‐subthalamic dysfunction. We aimed to reveal the characteristics of cortico‐subthalamic activity in PD patients during different motor statuses. Methods Potentials were recorded in the superior parietal lobule (SPL),...

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INFONA - science communication portal

Search results for: Quan Zhang

Occurrence characteristics and enrichment mechanism of cobalt in pyrite from the Han‐Xing type skarn iron deposit using laser‐ablation inductively‐coupled‐plasma mass‐spectrometry elemental mapping, Taihang Mountain, China

An Intelligent Cockpit Tailored Carpet for Human‐Vehicle Interaction Enhancement and Driving Intention Recognition

Modelling of sap flux density of oak in a humid region in China

Integer flows on triangularly connected signed graphs

Nanoarchitectonics and catalytic performances of metal–organic frameworks supported metal nanoparticles

Total Synthesis of the Proposed Structure of Neaumycin B

Total Synthesis of the Proposed Structure of Neaumycin B

Metal‐Organic Frameworks and Their Derivatives‐Based Nanostructure with Different Dimensionalities for Supercapacitors

Promoted Photocatalytic Hydrogen Evolution by Tuning the Electronic State of Copper Sites in Metal‐Organic Supramolecular Assemblies

Promoted Photocatalytic Hydrogen Evolution by Tuning the Electronic State of Copper Sites in Metal‐Organic Supramolecular Assemblies

FBAR: An effective method for resolving large‐scale IPv6 aliases

Novel Semiconductive Ternary Hybrid Heterostructures for Artificial Optoelectronic Synapses

Interfacial Water Tuning by Intermolecular Spacing for Stable CO₂ Electroreduction to C₂₊ Products

Interfacial Water Tuning by Intermolecular Spacing for Stable CO₂ Electroreduction to C₂₊ Products

Trinuclear Dy(III) Single‐Molecule Magnets with Two‐Step Relaxation

Helicobacter hepaticus promotes liver fibrosis through oxidative stress induced by hydrogenase in BALB/c mice

A Novel Multifunctional Crosslinking PVA/CMCS Hydrogel Containing Cyclic Peptide Actinomycin X2 and PA@Fe with Excellent Antibacterial and Commendable Mechanical Properties

Regulating Magnetic Relaxations of Cyano‐Bridged {Dy^IIIMo^V} Systems by Tuning the N‐Sites in β‐Diketone Ligands

Enhancing Photovoltaic Performance of Ladder‐Type Heteroarene‐Based Electron Acceptors by Modulating Molecular Packing^†

Fronto‐parieto‐subthalamic activity decodes motor status in Parkinson's disease

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