It is desirable to regulate charge migration synergistically via atomic level decoration because it can construct active sites with both thermodynamic and kinetic advantages in photocatalytic hydrogen (H2) evolution. Here, a mild cation exchange-mediated strategy was applied anchor palladium (Pd) cations the ZnIn2S4 nanostructure, achieving an outstanding H2 evolution rate of 1236.4 μmol h–1 (λ ≥ 420 nm) accompanied by apparent quantum efficiency 60.06% = nm). Pd dopants act as surface...

How to simultaneously utilize photogenerated electrons and holes still remains a critical challenge in the field of artificial photosynthesis, especially process photocatalytic hydrogen (H2) evolution coupled with biomass oxidation value-added chemicals. Herein, series-parallel photocatalyst (Cu NPs/CdS/In2O3) that can intrinsically regulate transfer carriers is ingeniously designed for H2 synergized furfural alcohol (FFA) selective (FF). Accordingly, desired FF rates near 100% selectivity...

The Qinghai–Tibetan Plateau (QTP) is one of the most vulnerable ecosystems worldwide. Over last few decades, QTP has been subjected to increasing external pressures, such as climate change, human activity, and natural hazards. Therefore, ecological risk assessment vital for environmental protection sustainable development QTP. A landscape (LER) based on disturbance vulnerability was performed explore spatiotemporal characteristics associated with LER in from 1990 2020. Furthermore, impact...

Single-atom Pd is successfully anchored on to CdS x twins maximize the transfer and utilization of photogenerated electrons holes for efficient coupled reactions photocatalytic hydrogen evolution pyruvate synthesis.

Abstract Highly selective photocatalytic CO 2 reduction (PCR) to methane is restricted severely due the multiple consecutive proton‐coupled electron transfer steps and stabilization of crucial intermediates. Herein, an In O 3 /CuInS composite with multifunction meticulously fabricated via heterojunction engineering achieves a remarkable selectivity CH 4 (95.73%) yield 54.9 umol·g −1 ·h . The electrons are enriched around S atoms form unsaturated sites, thereby improving efficiency reactions...

As many said, industry 4.0 is an epoch-making revolution which brought the manufacturing market much faster changes and severer competitions. important part of system, facility layout has direct impact on business benefit; at same time, despite intelligent factory, production its own characteristics. However, there one point academia have basically formed a consensus: it not true that does need human beings; contrary, initiative plays unabated role in development 4.0. This paper will focus...

Abstract Lots of water and surfactants are poured into the oil well to enhance exploiting efficiency, so crude-oil emulsions exploited by this technology contain much water, which is very hard be separated at present. The demulsifying separating experiments emulsion were conducted using thermal chemical method ultrasonic separately. crude samples provided Dagang field China content was 35% volume/volume (v/v). key influencing factors on demulsification effect explored changing output power,...

The industrial sector dominates the global energy consumption and carbon emissions in end use sectors, it faces challenges emission reductions to reach Paris Agreement goals. This paper analyzes quantifies relationship between industrialization, systems, emissions. Firstly, forecasts regional industrialization trends under Representative Concentration Pathway (RCP) Shared Socioeconomic Pathway2 (SSP2) scenarios. Then, projects that aligns with trend, optimizes supply system using Model for...

Abstract The challenge of global warming has become a driving force for energy transition. Global Energy Interconnection (GEI) is modern system aimed at meeting the power demand in clean and green manner. With development replacement, electricity grid interconnection strategies, GEI contributes to temperature control by dramatically reducing level energy-related CO2 emissions. This study proposes an integrated framework analyzing mechanism emission reduction via implementation. obtained...

The quantitative functions for climate damages provide theoretical ground the cost-benefit analysis in change economics, and they are also critical linking module with economic Integrated Assessment Models (IAMs). Nevertheless, it is necessary IAMs to update sectoral impacts order catch up advance studies. This study updates damage function at global scale from Framework Uncertainty, Negotiation Distribution (FUND) model develops aggregate a bottom-up fashion. Besides conventional sectors...

In order to quantify the contribution of mitigation strategies, an extended Kaya identity has been proposed in this paper for decomposing various factors that influence CO2 emission. To end, we provided a detailed decomposition carbon intensity and energy intensity, which enables quantification clean development electrification. The logarithmic mean divisia index (LMDI) applied historical data contributions affecting emissions. Further, global interconnection (GEI) scenario introduced...

Abstract Synthesis and modification of imidazoline were carried out based on review the corrosion inhibitor development application for oilfields. A series compounds synthesised through solvent dewatering vacuum methods. After reaction with ethane oxide, produced compound was used to react halogen hydrocarbon polyphosphoric acid respectively. Finally an agent performance corrosion‐inhibition, sterilisation anti‐scaling obtained. The structures characterised by Fourier transformation infrared...

Impervious surface cover reflects the urban environment and expansion. Lhasa City is a historical city one of most populous on Qinghai–Tibetan Plateau, has been experiencing rapid urbanization in recent years. Analyzing impervious distribution can reveal development characteristics provide data for sustainable planning to protect heritage. This study explored spatial temporal changes expansion patterns surfaces different zones City. maps (2014 2021) were extracted from Gaofen-1 images with...

Uniform poly (acrylamide-co-DVB) microspheres (DVB = divinylbenzene) with number-average diameter varying from 1.65 to 2.86 µm and polydispersity index 1.011 1.176 were prepared in a low toxicity solvent, i.e. ethanol/water mixtures, by dispersion polymerization using octylphenol polyoxyethylene (10) ether as the stabilizer 2,2′-azobisisobutyronitrile initiator. The parameters, such solvent composition, initiator concentration, monomer which influence both product yield morphology,...

Transnational power grid interconnection is an important measure to promote the construction of energy Internet. It can meet global demand in a clean and green way, UN’s concept “sustainable energy,” tackle climate changes. But, transnational projects face many complex variable risks due their background lacking experience. According characteristics projects, risk assessment index system including 10 indexes such as national relation, public participation, available transmission capacity...

With the rapid development of global economy, interconnection power grids has become an objective law and a trend industry development. The implementation grid projects, especially transnational will bring us substantial benefits. To demonstrate these benefits comprehensively, we designed comprehensive evaluation index system with multiple international engineering characteristics. takes influencing factors economic, social, environmental technical into account. In order to improve rigidity...

Abstract In the present work, dispersion polymerization of 2‐hydroxypropyl methacrylate (HPMA) was carried out in No. 120 gasoline/ n ‐pentanol medium using azobisisobutyronitrile as initiator and a comb‐structured amphipathic polymer dispersant. The effects many factors such type, structure concentration dispersants, reaction temperature, on morphology microspheres obtained were investigated. It is proposed that HPMA has two nucleation mechanisms, homogeneous inverse mini‐emulsion...

Although seeded reversible addition-fragmentation chain transfer (RAFT) polymerization is explored as a unique method for the preparation of block copolymer nanoparticles with diverse structures, nonlinear polymer by RAFT rarely reported. Herein, linear are first prepared dispersion copolymerization benzyl methacrylate (BzMA) and 2-(2-(n-butyltrithiocarbonate)propionate)ethyl (BTPEMA) different [BzMA]/[BTPEMA] ratios, employed seeds isobornyl acrylate (IBOA) to prepare graft numbers PIBOA...

A polymer drug delivery system was developed using crosslinked self-assembled micelles, which form stable coreshell particles. The block copolymer, composed of poly [poly (ethylene glycol) methyl ether methacrylat-block-[poly (methyl methacrylate-p-nitrophenyl acrylate)] [P(PEGMEMA)-b-P(MMA-NPA)], synthesized via reversible addition fragmentation chain transfer (RAFT) polymerization. micelles were stabilized by core crosslinking through the reaction p-nitrophenyl acrylate with...

Since the British first proposed concept of "low-carbon economy", international community had made a great effort in controlling greenhouse gas emissions and developing low-carbon economy. However, development economy is top-down economic transformation driven by policy, which different from bottom-up transition technology progress past. The influence policy-making everywhere, so study policy formulation decision-making can be significant for transition. This paper delivers research method...