Abstract Ultralong organic phosphorescence (UOP) materials have attracted considerable attention in recent years. Herein, a new type of flexible films is fabricated by doping amphipathic pyrene tetrasulfonic acid sodium salts into amorphous poly(vinyl alcohol) matrix, which enables the realization color‐tunable UOP spanning from orange‐red to green after excitation light switched off. Interestingly, precise control proportion isolated‐molecular and aggregated‐state demonstrated for colorful...

Microplastics (MPs), as a new type of pollution, could result in serious environmental pollution due to its special properties. Meanwhile, the damage MPs environment be reflected by characteristics sewage sludge, one dominant sinks MPs. Therefore, this study investigated abundance and sludge derived from Yangling, Shaanxi province. Results showed that among all detected MPs, particle size ranged 8 ​μm–1 ​mm, especially 8–400.00 ​μm, accounting for 97.27%. Moreover, microplastics were...

Abstract Dynamic room temperature phosphorescence (RTP) materials have potential applications in optoelectronics, which inevitably suffer from poor processability, flexibility or stretchability. Herein, we report a concise strategy to develop supercooled liquids (SCLs) with dynamic RTP behavior using terminal hydroxyl engineering. The hydroxyls effectively hinder the nucleation process of molecules for formation stable SCLs after thermal annealing. Impressively, show reversible emission via...

With increasing local conflicts worldwide, studying the impact response of body armor is crucial for enhancing soldier survival rates. However, there still insufficient understanding back bulge expansion patterns, waves transmission features, and blunt injury assessing method armor. To investigate these problems deeply, three-dimensional digital image correlation numerical models were employed to reveal ballistic mechanism ceramic/ultra-high-molecular-weight polyethylene (UHMWPE) composite...

A method, which is especially useful for the study of ferroelectric nanowire with piezoresponse force microscopy (PFM), was developed. In this method electric bias directly applied on axial direction nanowire. The poling and switching single crystalline BaTiO3 were realized, hysteresis loop shear acquired PFM operated in lateral mode. demonstrated nature need a significantly higher field to reach polarization saturation than that bulk crystal.

In order to find the optimal heat input for simulating welding of coarse-grained heat-affected zone (CGHAZ) a novel Q690 MPa V-N microalloyed medium and heavy plate, study investigated precipitation V (C, N), microstructural changes, impact toughness under five different inputs (E). The results show that in CGHAZ, as increases, dominant microstructure changes from intragranular acicular ferrite (IGAF) lath bainitic (LBF) polygonal (PF) small amount IGAF. At same time, area fraction brittle...

We report the study of direct ferroelectric polarization switching a single crystal BaTiO3 nanowire along its length axis. Polarization under axial dc bias, monitored with lateral mode piezoresponse force microscopy, was shown to be non-remnant. The result suggested existence preferred orientation in nanowire, i.e., imprint, and explained core–shell structure model. shell thickness estimated ∼10 nm for having ∼120 nm.

Water is the source of life and fundamental element ecology, climate inseparable from water. To evaluate influence water-adaptive space in a traditional Weizi (polder village) settlement on its microclimate, authors analyzed morphological characteristics such polder village applied ENVI-met model to simulate impact water bodies elements human thermal comfort. This paper demonstrates positive improving environment regulating microclimate by quantifying microclimate. The results indicate that:...

This paper presents a numerical model of the seismic behavior for embankment constructed on micropile composite foundation. The effect micropiles soil reinforcement under static and loading was studied. Embankments untreated treated by were numerically simulated using an axisymmetric elastoplastic large deformation finite-element analysis code. displacement caused acceleration calculated compared. It shown that can greatly reduce settlement mitigate response embankment. main objective this...

The spatial pattern of Weizi settlements features distinct regional characteristics. Moreover, it contains profound wisdom in terms traditional construction; therefore, studies on its association with the microclimate have important implications for improving quality human settlements. In present study, Guanweizi Village Xinyang City Henan Province was used as an example to analyze and evaluate thermal comfort green spaces. impact peripheral water bodies outdoor spaces settlement studied,...

The synthesis of silicon nanowires containing erbium in a discrete layered structure has been achieved. These wires are prepared by the pyrolysis silane and volatile complex on gold catalyst surface, with relative size wire sample crystallinity affected timing which is introduced into reactant stream. Products were characterized field emission scanning electron microscopy, transmission selected area diffraction, energy-dispersive X-ray analysis. Given their ability to demonstrate desired...

Circularly polarized phosphorescent (CPP) materials, especially chiral platinum(II) complexes, which combine the advantages of both circularly luminescence (CPL) and phosphorescence, show broad potential applications in optoelectronic devices. Developing CPP emitters with excellent chiroptical properties high yield is urgently needed. Here, a cation strategy employed to construct Pt(II) complexes

The solitary pulmonary nodule (SPN) is a common and challenging clinical problem, especially solid SPN. object of this study was to explore the predictive factors SPN appearing as pure with malignance establish prediction model SPNs.We had retrospective review 317 SPNs (group A) having final diagnosis in department thoracic surgery, Shanghai Chest Hospital from January 2015 December 2015, analyzed their data computed tomography (CT) images, including age, gender, smoking history, family...

To investigate the correlation between proliferating cell nuclear antigen Ki-67 and multislice computed tomography (MSCT) signs in different subtypes of lung adenocarcinoma.Ninety-five patients with adenocarcinoma confirmed by surgical pathology treated January 2017 December were included. MSCT was performed before operation, characteristics high-resolution CT (HRCT) lesions compared immunohistochemistry results.The levels 95 specimens positively correlated malignancy adenocarcinoma....

In recent years, drought stress caused by global warming has become a major constraint on agriculture. The thiamine thiazole synthase (THI1) is responsible for controlling production in plants displaying response to various abiotic stresses. Nonetheless, most of the THI1 activities remain largely unknown. this study, we extracted MsTHI1 from alfalfa and demonstrated its beneficial impact improving resistance conditions. highest levels expression were identified leaves, triggered exposure...

The effect of micropiles on soil reinforcement under static and dynamic loadings was studied. Embankment untreated treated by were modeled using the finite element code PLAXIS. displacement caused embankment loading acceleration seismic calculated compared. It found that can greatly reduce settlement mitigate response embankment. results this study provide valuable information about design application micropiles.

Total organic carbon (TOC) can reflect the total amount of matter in water. This paper introduces common methods measuring carbon, including high temperature combustion method, potassium persulfate oxidation spectrometry, ozone chemiluminescence supercritical water method and so on. At present, is most widely used for TOC measurement seawater, because its efficiency. sensor needs to be developed realize in-situ long-term monitoring.

The relationship between time and settlement is a key problem in geotechnical engineering. Current methods used to predict the time-dependant are based mainly on instantaneous loading condition. In this paper, curve under linearly condition, which suitable for building embankment projects, mathematically proved be "S" shaped. Subsequently, new model, Poison raised settlement, method of parameter solution also introduced. Finally, several problems about Poisson prediction model discussed.

Microplastics are widely found in municipal wastewater, threatening health and the environment. When microplastic-containing wastewater is treated by an algal–bacterial consortium, microplastics will interact with organic matter microorganisms to form heteroaggregates, thus affecting treatment efficacy. In our study behaviours of different particle sizes were substantially consortium. smaller caused strong oxidative damage cells formed compact heteroaggregates a shading effect, which...

Abstract To refine the grains of reduced activation ferritic/martensitic steel, closed dual equal channel angular pressing deformation is used. The effects on microstructure, precipitation phase, and mechanical properties steel are studied. results show that can steel. grain size deformed decreases gradually with increasing pass. After four passes, sizes in elongation zone shear refined to 0.68 μm 0.71 μm, respectively. With pass, hardness yield strength increase. strengths increase 1,093.3...

Abstract Dynamic room temperature phosphorescence (RTP) materials have potential applications in optoelectronics, which inevitably suffer from poor processability, flexibility or stretchability. Herein, we report a concise strategy to develop supercooled liquids (SCLs) with dynamic RTP behavior using terminal hydroxyl engineering. The hydroxyls effectively hinder the nucleation process of molecules for formation stable SCLs after thermal annealing. Impressively, show reversible emission via...