Due to the advantages of high prediction accuracy, least squares support vector machine (LSSVM) has been widely utilized for soft sensor developments in industrial processes. The hyper-parameters LSSVM are often determined by minimizing predicted error validation set based on intelligent optimization algorithm, which may lead excessive and model overfitting when selected improperly. Meanwhile, online parameters is difficult implement, results poor effect local modeling. This paper proposes...

A CuI‐catalyzed bilateral linkage of S‐phenethyl‐sulfenamides with cyclic diaryliodonium salts was developed for the one‐step construction sulfilimines. The challenging sulfoximines can be efficiently obtained via subsequent oxidation. Photophysical properties and DFT calculations reveal that sulfoximines, compared to sulfilimines sulfones, exhibit larger Stokes shifts reduced HOMO‐LUMO orbital overlap.

Heteroatom-doped polyaromatic hydrocarbons show great potential for advancing photoelectric materials. SVI=N doping, characterized by soft-hard atom binding, donor-acceptor transmission, and chiroptical tuning, provides a powerful approach further optimizing the performance functionality of these However, introduction chiral sulfur(VI) has been formidable challenge due to intricate enantioselective discrimination embedded linkages with heteroatoms in systems. Herein, we establish an...

The transparent floating gate memory based on zinc oxide (ZnO) thin film transistors (TFTs) was fabricated by using one-step atom layer deposition of aluminia tunneling and ZnO charge-trap layers. Free electrons trapping mechanism this device is proposed after systematical investigation voltage scanning thickness the layer. Furthermore, relationship between geometrical size charge-trapping window explored. devices with different windows can be controlled simply designing area their without...

Three types of highly transparent inverter circuits, enhancement/depletion, pseudo-CMOS and feedback structures, are fabricated by using zinc-oxide thin film transistors (TFTs) with deuterium plasma immersion to adjust the threshold voltage depletion-mode TFTs. Their DC AC performance investigated compared systematically. Especially, structure inverters demonstrate a maximum gain -310V/V at V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...

The theory of oxygen vacancy related deep energy defects and valence band offset (VBO) between gate insulator channel codetermining the threshold voltage shift (ΔVTH) ZnO thin film transistor under negative bias illumination stress (NBIS) is proposed investigated systematically. Two kinds transistors are fabricated by atomic layer deposition with different oxide structures, a control sample Al2O3 an improved SiO2/Al2O3 structures. Among two devices, device achieves smaller ΔVTH NBIS SiO2...

We compare light and elevated temperature induced degradation (LeTID) in four different silicon substrates, namely p-type boron-doped n-type phosphorus-doped mono-like Si float zone silicon, study the dependence of behaviors on nitride (SiN <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">x</sub> ) film properties dopant diffusions. The materials exhibit kinetics, but show a similar SiN deposition conditions, correlating strongly with Si-N bond...

GeoGauge is a portable instrument for rapid determination of the stiffness and modulus compacted soil, which can quickly, safely, nondestructively evaluate quality each layer. In order to deeply study effectiveness detection equipment used in soil-rock mixed subgrade, based on construction project Beijing-Qinhuangdao Expressway, influence water content compaction degree test results correlation between settlement difference were studied analyzed by indoor model field test. Finally, subgrade...

A new flipped voltage follower (FVF) whose current source is realized by a depletion-mode thin-film transistor proposed. It successfully applied to static voltage-programmed pixel circuit. The FVF has good adjustable self-compensation (ASC) ability, which makes the circuit can compensate for different threshold-voltage shifts of transistors in not only driving but also circuits. simulation results show that proposed exhibits tiny variation ranging from 1.69% 3.80% when "global" shift ±0.2 V...

The implementation of optical communication and quantum technologies based on the free space has many advantages when compared with fibers. However, performance systems can be deteriorated by atmospheric turbulence beams transmit through space, it been widely acknowledged that turbulence-induced pointing error is one major performance-limiting factors. model consists two parts, channel transmittance other radial model. To make results more general, Beckmann assumed, expressed in an integral...

We present an approach to deform arbitrary meshes based on geometric primitives. The basic idea is predefine a certain set of primitives, such as points, curves, spheres, cubes and the specific areas objects aligning those given In general, point curve primitives are able provide sharp corners ridge features; sphere achieve smoothing effects semi-sharp cube handle corners, edges flat faces with respectively. used Bézier-shaped displacement reference curves determine new position vertices...

Abstract The dramatic increase of the aging population is a current and primary livelihood issue in China. It very important to accurately predict for policy-makers such as governments insurance companies. To explore future development trend China’s population, novel grey prediction FPTGM(1,1,α) model established this paper. data from 2003 2012 are used build model, 2013 2018 assess modelling accuracy. results show that fitting forecasting accuracy proposed higher than those other models....

Compared to traditional contact power transfer by slip ring, the wireless applied ring has more advantages which could reudce mechanical wear and improve reliability. In this paper, crystalline nanocrystalline is proved have a higher electromagnetic compatibility in compared with other various magnetic meterials. Meanwhile, structure design of non-contact also discussed paper. And simulation results show that thickness open hole caliber shiled weak influence for mutual inductance between...

Abstract This work aims to apply Computational Fluid Dynamic (CFD) method establish a flash evaporation spray cooling (FESC) model simulate the heating process and find optimum performance. The heat transfer during FESC is studied through numerical simulation using commercial code ANSYS FLUENT. species transport discrete phase are applied multiphase flow process. turbulence effect included. effects of rate, nozzle pressure, angle, orifice size on investigated analyzing final surface...

The complex pore structure influences the seepage and electrical conductivity of reservoir, it plays an important role in identification reservoir fluid properties evaluation parameters. There are a variety lithologies Paleogene reservoirs Bozhong Sag, including conventional sandstone, dolomite, sandy conglomerate others. types spaces diverse heterogeneous. As result structure, is difficult parameters calculated with substantial errors. paper analyzes characteristics different lithologies....

Atomic layer deposition(ALD) method is widely employed to obtain thin films with accurate thickness. Since ALD process nucleation was verified be island nucleation, i.e. V-M mode, growth rate could enormously effected by substrates. In present report, AlN film obtained thermal process, and per cycle of on bare wafer native oxide well-grown silica were measured Optical equipment TEM. We found that the uniform amorphous significantly enhance than attributed higher surfactant group chemisorption silica.

Abstract By in house experiment a study is made on the asphalt modifying agent from plastic basin, stool and bucket so domestic waste effect of asphalt. The result shows: (1) can considerably improve softening point reduce needle penetration; (2) for by different making method its storage stability differs PMA grain extruder has severe segregation poor stability. But PMB modifier specially under given not only high temperature but also no sound stability; (3) Waste apparently degree mixture...

Abstract Previous experimental work shows that velocity ratio is the principal independent variable to determine flow behavior of coaxial jets. This study focusing on effect characteristics such as and kinetic energy profiles, centerline decaying, growing entraining jet, presents a detailed numerical simulation jet with secondary parallel moving stream. It found radial profiles mean component u depending show good similarity in fully developed zone. Compared available data, results use...