Search Results - "Xuyang He"
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1
Flow Field Noise Analysis and Noise Reduction Research of Twin-Screw Air Compressor Based on Multi-Field Coupling Technology
Published in Machines (Basel) (01-08-2024)“…To address the flow field noise problem in twin-screw air compressors, multi-physical-field coupling technology is employed to perform flow field noise…”
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2
Kinetics and Mechanism of Ketone Enolization Mediated by Magnesium Bis(hexamethyldisilazide)
Published in Journal of the American Chemical Society (18-10-2006)“…Magnesium bis(hexamethyldisilazide), Mg(HMDS)2, reacts with substoichiometric amounts of propiophenone in toluene solution at ambient temperature to form a…”
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3
Existence of a Class of Doubly Perturbed Stochastic Functional Differential Equations with Poisson Jumps
Published in Journal of nonlinear mathematical physics (29-04-2024)“…In this paper, we use successive approximations and Picard iterative method to establish the existence and uniqueness of mild solution for a class of doubly…”
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Journal Article -
4
Stereoselective Enolizations Mediated by Magnesium and Calcium Bisamides: Contrasting Aggregation Behavior in Solution and in the Solid State
Published in Journal of the American Chemical Society (18-05-2005)“…The reactions of magnesium and calcium bis(hexamethyldisilazide) with propiophenone have been studied with a view to determine the utility of these bases in…”
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Journal Article -
5
Data sharpening method in regression confidence band
Published in Communications in statistics. Theory and methods (04-03-2022)“…The confidence band of functions is complicated by the over-smoothing problem and the residual distribution. In this paper, we use bootstrap and…”
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6
Green clinker-free binders: Simultaneous immobilization and carbonation of ferrous metallurgical residues activated by sulfur wastes
Published in Construction & building materials (05-09-2022)“…•Carbonation capacity of clinker-free binder is up to 4.75 g/Kg.•Simultaneous carbonization will weaken the degree of immobilization reaction.•Compressive…”
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7
Ketone Deprotonation Mediated by Mono- and Heterobimetallic Alkali and Alkaline Earth Metal Amide Bases: Structural Characterization of Potassium, Calcium, and Mixed Potassium−Calcium Enolates
Published in Journal of the American Chemical Society (23-06-2004)“…Potassium, calcium, and mixed potassium−calcium amide combinations have been shown to be efficient reagents in enolization reactions, and a set of…”
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8
High-order data sharpening with dependent errors for regression bias reduction
Published in Communications in statistics. Theory and methods (02-12-2019)“…In this paper, we show that Y can be introduced into data sharpening to produce non-parametric regression estimators that enjoy high orders of bias reduction…”
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9
Chemical Stabilities of the Lowest Triplet State in Aryl Sulfones and Aryl Phosphine Oxides Relevant to OLED Applications
Published in Chemistry of materials (12-03-2019)“…Aryl sulfones and phosphine oxides are widely used as molecular building blocks for host materials in the emissive layers of organic light-emitting diodes. In…”
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Journal Article -
10
Vibration Characteristics Analysis of Twin-Screw Compressor Shell Based on the Fluid-Solid Coupling Method/VIBRATION CHARACTERISTICS ANALYSIS OF TWIN-SCREW COMPRESSOR SHELL BASED ON THE FLUID-SOLID COUPLING METHOD
Published in Mechanika (Kaunas, Lithuania : 1995) (01-03-2024)“…Under the action of the flow field force and the constraint reaction force of the negative rotor and the positive rotor, the twin screw compressor shell will…”
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Journal Article -
11
Vibration Characteristics Analysis of Twin-Screw Compressor Shell Based on the Fluid-Solid Coupling Method
Published in Mechanika (Kaunas, Lithuania : 1995) (01-01-2024)“…Under the action of the flow field force and the constraint reaction force of the negative rotor and the positive rotor, the twin screw compressor shell will…”
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Journal Article -
12
Organic Electrochemical Transistor with Molecularly Imprinted Polymer-Modified Gate for the Real-Time Selective Detection of Dopamine
Published in ACS applied polymer materials (08-04-2022)“…Because of their low operation voltage, high transconductance, and good aqueous compatibility, organic electrochemical transistors (OECTs) have been widely…”
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Journal Article -
13
Effect of Surfactant Microenvironment on SOD-like Activity of Cu(II)-Salicylate Complex
Published in Journal of dispersion science and technology (31-03-2001)“…Cu(II)-salicylate was synthesized and characterized by X-ray diffraction. The reaction mechanism of the Cu(II) complex with superoxide anion was studied by ESR…”
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14
Nutrient Characteristics and Factors Influencing Surface Soil with Gully Erosion on Sloping Farmland for Low Hilly Terrain in Black Soil Area
Published in Shuitu baochi tongbao (01-10-2023)“…[Objective] The soil nutrient characteristics and influencing factors of surface soil gully erosion for low hilly terrain in the black soil area were studied…”
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Journal Article -
15
Regio- and Stereoselective Enolizations Using Calcium Bis(hexamethyldisilazide) as a Base: Synthetic, Solid-State, and Solution Studies
Published in Organometallics (14-07-2008)“…The alkaline earth metal complex calcium bis(hexamethyldisilazide), Ca(HMDS)2, has proven to be a useful reagent to carry out the regio- and stereoselective…”
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Journal Article -
16
Dramatic Effect of Aggregation on Rates and Thermodynamics of Stereoisomerization of Magnesium Enolates
Published in Journal of the American Chemical Society (06-05-2009)“…Thermodynamic stereocontrol of the (hexamethyldisilazide)magnesium enolates of propiophenone in THF is reported. The overall stereoselectivity proves to be…”
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17
Heterodimetallic Alkaline Earth Metal Amides: Synthesis, Structure, and Solvent-Induced Charge Separation of Homoleptic Calcium−Magnesium Hexamethyldisilazide
Published in Organometallics (09-10-2006)“…The heterodimetallic compound [(Me3Si)2NMg{μ-N(SiMe3)2}2CaN(SiMe3)2], 3, can be prepared as single-component crystals through manipulation of the equilibrium…”
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18
Enolization reactions mediated by s-block metal amide reagents
Published 01-01-2008“…The enolization of ketonic substrates is a cornerstone reaction in modern organic synthesis. The research in this dissertation is split into three main…”
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Dissertation -
19
A new cucurbituril-based metallo-rotaxane
Published in Inorganic chemistry communications (01-09-2002)“…A new metallo-rotaxane was formed in the aqueous solution through the self-assembly of psuedo-rotaxane of cucurbituril/spermine and alkylcobaloxime. And it was…”
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Journal Article -
20
Cropland Use Change Analysis in Shaanxi Province of China Based on the Shape-Matching Cropping Index Mapping Method
Published in IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium (01-07-2018)“…Timely and accurately monitoring of cropland use is of critical significance to ensure food security. Shaanxi province of China has experienced major land use…”
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