Hongchen Zhao

Shenyang University of Technology · School of Electrical Engineering

By using the corresponding relationship between the current and the space magnetic field, the arc is regarded as a set of multiple current lines with variable arc diameters. Based on Biot-Savart's law, the magnetic field distribution of combined arc streamlines in space is obtained by forward analysis. In view of the influence of ferromagnetic mate...

The switching apparatus with contact will inevitably produce arc when breaking the circuit. In this paper, a three-dimensional arc model of a straight contact system is constructed, that the arc is assumed to be a cluster of broken lines. Based on the Biot-Savart law, the magnetic distribution is measured in-plane around the arc through the forward...

The research on the theory of arc in switchgear is the key problem in the field of power transmission equipment. We introduce a mathematical inverse method to reconstruct the arc shape and current density. The operator equation is established and discretized into algebraic equations according to the electromagnetic forward analysis. To overcome the...

The knowledge of the variation of arc current is helpful to improve the breaking performance of a vacuum circuit breaker. As a novel non-intrusive method, arc magnetic performance testing technology has attracted attention. In view of the widely used regularization method of the standard form in arc current reconstructions cannot fully overcome the...

This article examined two regularization methods for reconstructing the arc current density distribution of a switching device in an arc-quenching chamber. The finite-element method (FEM) was used to discretize the current-flow region of the arc-quenching chamber. Both truncated generalized singular value decomposition (TGSVD) and truncated singula...

Objective: To compare the prognosis of mildly or severely symptomatic patients with obstructive hypertrophic cardiomyopathy (OHCM) who underwent alcohol septal ablation (ASA). Methods: This retrospective study cohort consisted of patients with OHCM who received ASA treatment in Beijing Anzhen Hospital, Capital Medical University from March 2001 to...

A large-aperture ( f /3) Thomson scattering diagnostic system, for measuring the ion acoustic waves driven by stimulated Brillouin scattering, has been recently implemented at the bottom of the target chamber on Shenguang-III prototype laser facility. With a 4 ω (263.3 nm) probe beam entering the target chamber in the horizontal plane, this system...

The article "HOXA13 upregulation in gastric cancer is associated with enhanced cancer cell invasion and epithelial-to-mesenchymal transition, by Y.-X. He, X.-H. Song, Z.-Y. Zhao, H. Zhao, published in Eur Rev Med Pharmacol Sci 2017; 21 (2): 258-265-PMID: 28165563" has been retracted by the authors due to controversial issues with author contributio...

Objective: To observe the therapeutic effects of alcohol septal ablation (ASA) in mildly symptomatic patients (NYHA class Ⅱ) with hypertrophic obstructive cardiomyopathy(HOCM). Methods: This retrospective study included 150 mildly symptomatic patients with HOCM hospitalized in Beijing Anzhen Hospital affiliated to Capital Medical University from Ma...

Mutation of FBN1 has certain relation with the incidence of cranial cervical artery dissection. Our study reprogrammed human induced pluripotent stem cells (iPSCs) from peripheral blood mononuclear cells (PBMC) of a patient with a mutation of FBN1c.1858C > T (p. Pro620Ser). The generated iPSCs express pluripotent cell markers with no mycoplasma con...

Objective: To investigate the expression levels and clinical significance of glioma-associated oncogene homolog 1 (GLI1) and sonic hedgehog signaling molecule (Shh) in the malignant transformation of ovarian endometriosis (EM). Methods: The expressions of GLI1 and Shh were detected by real-time reverse transcription (RT)-polymerase chain reaction (...

Urban lakes play an important role in urban development and environmental protection, and lakes are an important city card of Wuhan city. We calculated the lake area of in Wuhan city from 1987 to 2019 and its change over time and in space by using the MNDWI method and the Google Earth Engine (GEE) platform, and explored the driving force of lake ar...

Objective: To investigate the preventive efficacy of pirfenidone in esophageal stent-related restenosis and the related underlying mechanisms. Methods: Twenty-four rats underwent esophageal stent placement were included in this study. The rats were randomly assigned to three groups, with 8 rats in each group. The three groups were set to receive pl...

Objective: To discuss the safety and feasibility of transradial access (TRA) in performing peripheral arterial intervention. Methods: The clinical data of the patients underwent peripheral vascular intervention via TRA in our hospital from September 2017 to March 2019 were reviewed. The success rate of radial artery puncture and subsequent operatio...

Objective: To investigate the relationship between white matter lesions and spatial navigation ability in patients with mild cognitive impairment (MCI). Methods: A total of 32 MCI patients [age (66±11) years, 16 males and 16 females] who were treated in the Affiliated Drum Tower Hospital of Nanjing University Medical School from January 2015 to Feb...

Currently, laboratory created energy density of laser-driven inertial confinement fusion (ICF) is extremely close to that for ignition, while the divergence between experiment and simulation is increasing. One of the key issues is the lack of advanced knowledge of laser-hohlraum coupling process, which has shown the complexity of hohlraum environme...

PurposeTo evaluate the changes in ocular biomechanical properties in active moderate-to-severe Graves’ orbitopathy (GO) after intravenous glucocorticoids (IVGCs), and to clarify correlations between clinical findings and ocular biomechanical properties.MethodsA prospective study. A total of 20 consecutive GO patients and 20 age- and sex-matched hea...

Objective: To analyze the pathological classification and age distribution of primary neoplasms of the lacrimal drainage system. Methods: Retrospective case series study. A total of 64 patients (65 eyes) were diagnosed with primary neoplasms of the lacrimal drainage system and received surgery at Tianjin Eye Hospital from January 2006 to December 2...

Objective: To analyze the pattern of the change in cerebral white matter tract in amnestic mild cognitive impairment (aMCI) patients based on the automating fiber-tract quantification (AFQ). Methods: A total of 20 aMCI patients,9 males,11 females, the mean age was (67±9) years, and 22 patients with naMCI, 8 males,14 females, the mean age was (64±10...

In order to study the environment or climate of an area, it is necessary to understand the composition of atmospheric aerosol particles, as well as microphysical properties, such as extinction cross section, scattering cross section, polarization degree, etc. For a long time, when calculating the microphysical properties of atmospheric aerosol part...

The geographical information, temporal and spatial distribution of pollution sources cannot be accurately described by the traditional aerosol lidar inversion data. In order to accurately locate the pollution sources and monitor the spatial and temporal distribution of pollutants, an aerosol lidar data visualization method based on ArcGIS is propos...

Lidar is an advanced atmospheric and meteorological monitoring instrument. The atmospheric aerosol physical parameters can be acquired through inversion of lidar signals. However, traditional methods of solving lidar equations require many assumptions and cannot get accurate analytical solutions. In order to solve this problem, a method of invertin...

For a long time, the research of the optical properties of atmospheric aerosols has aroused a wide concern in the field of atmospheric and environmental. Many scholars commonly use the Klett method to invert the lidar return signal of Mie scattering. However, there are always some negative values in the detection data of lidar, which have no actual...

CoNiFe medium entropy alloy samples are synthesized by vacuum arc melting and subsequent thermo-mechanical processing. The fully-recrystallized face-centered-cubic (FCC) single phase microstructures with grain sizes ranging from 10 to 100 μm are obtained by annealing processes and the grain growth kinetics and Hall-Petch relationship are investigat...

The effects of heat treatment on the microstructure and properties of cold-forged two-dimensional (2D) CoNiFe medium entropy alloy (MEA) are determined. Compared to the as-cast specimen with a columnar crystal structure, the cold-forged CoNiFe MEA has a heavily fragmented microstructure with deformation twins. As the annealing temperature is increa...

It is difficult to describe the characteristics of an arc in low-voltage switching equipment in term of its most essential features using conventional arc models. In this paper, arc inversion is introduced to explore a new research approach to examine the nature of low-voltage switching arcs. Based on electromagnetic analysis, the arc is equivalent...

Sophocarpine is an alkaloid extracted from the dry roots and ground parts of Leguminous Sophora flavescens or S. alopecuroides. Sophocarpine has a wide range of sources, it is abundant in S. flavescens and S. alopecuroides, and it is easy to extract. Sophocarpine has a wide range of pharmacological effects, such as antitumor, anti-inflammatory and...

In the study, the lead-resistant bacteria JT1 was used as lead excretion agent to study on its lead-discharging mechanism in rats. Firstly, the lead poisoning model was researched. Then the vivo tests were conducted after blood lead levels above 600 μg/L. Wistar rats were provided with the broth of lead-resistant bacteria JT1 by gavage. And the rat...

The zero-discharge of desulfurization wastewater has become a hot environmental issue. Coal-fired flue gas dechlorination is a new technology to achieve zero-discharge of desulfurization wastewater. The atomized alkaline solution is sprayed into the flue before the precipitator to absorb strong acid gases such as HCl. Then the reaction products wil...

Hemophagocytic lymphohistiocytosis (HLH) is a rare life‐threatening hyperinflammatory disease. This study aimed to investigate the frequencies and distributions of inherited variants in PRF1, UNC13D, STX11, STXBP2, SH2D1A, and XIAP genes in Chinese patients with HLH. A total of 265 patients diagnosed with HLH from January 2010 to December 2016 were...

Hemophagocytic lymphohistiocytosis (HLH) is a rare life‐threatening hyperinflammatory disease. This study aimed to investigate the frequencies and distributions of inherited variants in PRF1, UNC13D, STX11, STXBP2, SH2D1A, and XIAP genes in Chinese patients with HLH. A total of 265 patients diagnosed with HLH from January 2010 to December 2016 were...

Structural mapping is not only an important part of basic geological mapping but also the source and foundation of structural geology. The major objectives of structural geology mapping lie in finding out the spatial distribution, geometric characteristics and the kinematic properties of the geological units. Furthermore, the structural framework a...

Biological enzymes are catalyzed by living cells, most of which are proteins, and very few are RNA. Biological engineering as a new high-tech has been rapid development, Enzyme manufacturing and application areas are gradually expanding, In this paper, the status and progress of the application of enzyme technology are reviewed by reviewing the lit...

Aim of this study is to prepare Arnebiae ointment research, screening, get the best preparation technology. The preparation process of different frying temperature, different frying time, different oil quantity and dosage ratio were prepared by frying method. The orthogonal method was used in this study. The content of L-shikonin in Arnebiae ointme...

Ocean tide loading (OTL) displacement amplitudes and phase lags of SHAO site are estimated by global positioning system (GPS), kinematic precise point positioning (PPP) and spectral analysis using 19 years of continuous GPS observations. In kinematic PPP, the 66 additional harmonic displacement parameters are replaced by the three time-varying disp...

An accurate aerosol optical property can be obtained by a high spectral resolution lidar (HSRL) technique, which employs a narrow spectral filter to suppress Mie scattering in the lidar return signal. The ability for filter to suppress Rayleigh scattering is critical for the HSRL. In the HSRL system, Rayleigh scattering signal is obtained and aeros...

The lead-resistant bacteria JT1 was used as biosorbent. The effect of pH on adsorption of lead, reversibility of lead binding and the effect of other cations on lead adsorption were studied. The in vitro lead adsorption process was revealed by observing the morphology of the biomass before and after Pb adsorption with transmission electron microsco...

Keluo complex, located in the eastern part of the Great Xing'an Range, has undergone multistage and complicated intraplate deformation events after the closure of the Paleoasian Ocean. Each phase of the deformation has different mechanisms, reflecting various plate marginal tectonic events after the Mesozoic in NE China. In the Late Triassic, Keluo...

Due to irregular coastlines, special geological structures and complex submarine topographies, some global ocean tide models exhibit large differences in some specific areas. So that some other geodetic observations have to be used to estimate the ocean tide loading (OTL) under some circumstances as “time-dependent”. GPS technique has the advantage...

SiO2 components were doped into TiO2 carrier of V2O5-WO3/TiO2 catalysts by co-precipitation and the effect of SiO2 content on the structure, dispersed species and SCR performance of the catalyst were investigated by various physical and chemical methods. XRD and BET results showed that SiO2 can interact with TiO2 through Si-O-Ti bond which increase...

The analysis of the dynamic process for switching arc has a great significance in advancing the utility and operational life of the electrical apparatus. Based on the relationship between the current distribution and the corresponding magnetic field, the arc in the air-circuit-breaker is considered as the superstition of current line with variable...

The empirical Gramian balance reduction method is gradually applied to the nonlinear control and design of power system. How to obtain effective empirical controllability and observability Gramian matrices is the core of this method. In order to further improve the reduced effect, this paper forms nonlinear dynamic model of power system and analyze...

OBJECTIVE: To investigate the protection of hepatocyte growth factor (HGF) on CML cell line K562 from apoptosis induced by etoposide (VP-16) and its molecular mechanism. METHODS: Quantitative and qualitative analyses on cell morphological change of apoptosis were performed through acridine orange (AO) staining and HE staining, and fluorescent flow...

The lead-resistant bacteria from chicken JT1 was used as biosorbent, the mechanism of lead binding of JT1 in vitrowere studied in this paper. Firstly, the adsorption isotherm and adsorption kinetics characteristics were studied. Then Scanning electron microscope (SEM) and Energy Dispersive Spectrometer (EDS) were used to observe the surface of JT1...

Objective: To analyze the correlation between white matter integrity and spatial navigation impairment in patients with mild cognitive impairment (MCI). Methods: A total of 27 MCI subjects and 24 healthy controls were enrolled from the Affdiated Drum Tower Hospital of Nanjing University Medical School from May 2015 to February 2016, who underwent 3...

Objective: In this study, we investigated the association between HOXA13 dysregulation and gastric cancer progression. We also explored the functional role of HOXA13 in invasion and epithelial-to-mesenchymal transition (EMT) of gastric cancer cells and the possible signaling pathway it might involve in. Materials and methods: The microarray (E-G...

With the large-scale data stream recently emerging in power systems, utilizing stream computing technology to improve power system real-time and safety has become a critical requirement. For the large-scale data stream of power consumption information collection system, fast clustering technology and anomaly detection technology for streaming data...

Objective To compare the effects of septal ablation (SA) versus conservative medication (CM) on the hemodynamic, clinical status and survival in patients with hypertrophic obstmctive cardiomyopathy (110CM) . Methods This retrospective study included 350 consecutive patients with 110CM (mean age (51. 3 ± 13. 5) years old) hospitalized in Anzhen Hosp...

The hydraulic variable-pitch system is one of the components of wind turbines frequently prone to faults. Early fault detection of the hydraulic variable-pitch system can effectively improve operation reliability and reduce unnecessary economic loss. Wind turbines suffer much environmental interference, while data-based fault detection is apt to le...

In order to improve the solving-efficiency of voltage predictive control optimization problem, this paper formulated power system voltage multi-step prediction and rolling optimization model in the mode of central control. In this process, this paper built the voltage predictive model based on dynamic equations and applied Gramian truncation model...

Objective: To analyze the clinical features and pathological classification of chlidren's ocular tumors. Methods: Retrospective case series study. Five hundred and four cases (506 eyes) of ocular tumor with biopsy-proven in children below 14 years old between January 2002 and December 2014 from Tianjin Eye Hospital were performed to retrospectively...

Objective To analyze the distribution of neutralizing antibody titer against respiratory syncytial virus (RSV) in plasma donors, and screen high titer plasma for preparation of specific RSV immunoglobulin. Methods A total of 600 plasma samples were diluted 2-fold serially, and determined for neutralizing antibody titer against RSV by micro- neutral...

Due to the impact of natural factors, the output power of off-grid photovoltaic microgrid source is intermittent and random. This will lead to fluctuations of the bus voltage. To ensure the reliability and power quality of power supply, configuring a certain capacity of storage devices becomes necessary. This paper proposes and designs a PV program...

Many near surface scattering sources in piedmont fault zones, Western China cause low S/N seismic data and non-uniform reflection energy on target interfaces. So we propose a solution of infill shot point design for target illumination uniformity improvement. First we simulate seismic illumination of a regular geometry with two-way wave equation. T...

In secondary voltage regulator, the update period of reference trajectory is too long to reflect the changes of power system in time. At the same time, due to the use of power flow equations, it is difficult to describe the dynamic behavior of power system, and the voltages may lose its stability in the transition process from the failure to the st...

Based on thermal simulation an Arrhenius type constitutive relationship of 2024-T3 aluminum alloy, the 3D thermodynamic friction stir welding (FSW) was modeled by Deform-3D software. The physical fields including temperature, stress, strain were investigated during friction stir welding. The results reveal that all the physical fields are unsymmetr...

The accuracy and resolution of global ocean tide models established by satellite altimetry technology are often limited. The data from local offshore tidal models generated by long-term observation of local tide stations however, is highly precise and at high resolution and could be used to improve the accuracy of global ocean tide models. In this...

Objective:To evaluate the effect of hearing aid in presbycusis. Method:Using the method of international outcome inventory for hearing aids(IOI-HA)and medium acoustic intensity(65 dBSPL) word recognition score(WRS), to evaluate the effect of hearing aid in moderate and severe presbycusis. Result:After the hearing aid of moderate presbycusis, The im...

Calcium aluminate glass-ceramics were fabricated by a heating treatment crystallization process. The crystallization behavior and infrared transmittance were analyzed by differential scanning calorimetry, X-ray diffraction, Fourier transform infrared spectroscopy and scanning electron microscopy, respectively. The result show that the crystallizati...

In our study, we have isolated and identified lead-tolerant lactic acid bacteria LAB from chickens. The removal rates of Pb2+ in vitro by JT1 was the highest (66.95%), and it could grow in nutrient solution containing 400 mg/L Pb2+. The mice were divided into randomly negative control group and positive group to research the capacity in vivo. The l...

Objective: To evaluate the association between the mean platelet aggregation degree and the prognosis of patients underwent long-term dual antiplatelet therapy (DAPT more than 12 months) following drug eluting stent (DES) implantation. Methods: A total of 752 patients were retrospectively analyzed who were received DES between September 2006 and Ju...

Bacterial two-hybrid system is a newly developed method for studying protein-protein interactions. However, in our studies of the interaction of regulatory proteins in Streptomyces, it was found that the bacterial two-hybrid system is not sensitive enough by the blue-and-white selection on X-gal plate. To overcome this drawback, the reason of false...

IR optical properties of Ge28Se60Sb12 chalcogenide glass pretreated by three different impurities eliminating technologies were studied in this article. Results showed that hydroxyl content of quartz ampoule by high temperature pretreatment was reduced, which caused 6.3, 7.9 and 12.8 μm impurity absorption bands in Ge28Se60Sb12 chalcogenide glass s...

To combat the problem of frequent production plan change in an environment where manufacturing systems are constantly varying, an improved hybrid rescheduling strategy is proposed. Disturbance factors are classified according to their origin and influence, and their disturbance degree is determined using a fuzzy-neural network. On the basis of this...

In this paper, fabrication and characterization of sheet specimens based on the Li2O-Al2O3-GeO2-P2O5 glass ceramics system are reported. Based on Rietveld method of X-ray techniques, volume additivity rule, ICP and SEM-EDS, a new method was developed to quantitatively analyze the crystal phase composition and oxide composition of residual in glass...

The Xiangshan Group is composed of a set of marine clastic rocks with small amounts of limestone and siliceous rocks, which experienced the greenshist facies metamorphism, and is located mainly in the eastern Hexi Corridor. The comparison between the detrital zircon ages (LA-ICP-MS) of the Xiangshan Group and the Miboshan Formation shows that the y...

The distribution characteristics of oxygen volume fraction and carbon monoxide volume fraction were measured at the inlet of air pre-heater along the transverse section of boiler to eliminate the effect of high temperature corrosion of boiler water wall on the boiler's safe operation. The main reason of reducing atmosphere beside side wall was anal...

OBJECTIVE: To discuss the video head impulse tests (vHIT) application values in assessment of the vestibular nerves, function in sudden deafness patients with vertigo.

Faced with the expensive maintenance cost, this paper presented a new dynamical maintenance strategy applied to the main components of wind turbine, which was called condition based opportunistic maintenance strategy. In the strategy, the degradation of component was described by Weibull proportional hazards model, and the condition indicator was d...

Mineral transmutation in the melting process was studied by the thermal analysis and X-ray diffraction phase analysis to explore Zhundong coal's slagging mechanism. Experimental results show that the apparent weightlessness (960~1250℃) on TG curves of thermal analysis accord with the existence of anhydrite. The release of SO3 gas in the decompositi...

Current calibration method of air permeability standards does not take into account the influences imparted by standard's position in the air circuit and atmospheric pressure variation on measurement results. Therefore, the method was improved by changing the arrangement of air permeability standard in air circuit for measurement from upstream to d...

The lidar observations of aerosols under near range condition are distorted because of insufficient overlapping between the transmitting laser beam and the field of view of receiving telescope in non-coaxial lidar especially in multiwavelength lidar. However, the near-range atmosphere is closely related with human's activity. So it is important to...

In this study, a homologous gene named plzfa was identified and characterized in medaka Oryzias latipes. Oryzias latipes plzfa was detected in all the tissues including brain, gill, muscle, liver, intestine, kidney, spleen, testis and ovary using reverse transcriptase (RT)-PCR. plzfa was detected in the oocytes of the ovary and in the spermatogonia...

Under the simulated conditions of light-duty diesel vehicles exhaust, the effect of the dispersion structure of Co constituents on the selective catalytic reduction of NOx by C3H8 (C3H8-SCR) over the supported Co/ZSM-5 catalysts prepared by impregnation was studied by various experimental techniques. Results showed that the dispersion capacity of C...

Chalcogenide glasses is an ideal infrared transmitting optical material, were widely applied in the area of infrared thermal imaging which requires chalcogenide glasses not only have properties advantages for example larger transmission and better homogeneity and larger size, but also have processing characteristic with large volume and low cost. T...

Objective: To investigate the biological characteristics and epidemiological significance of Yersinia, pestis in the new foci of plague in the south of Tibet, in order to provide a scientific basis for plague prevention and control. Methods: Totally 28 strains were separated in the new foci of plague in the south of Tibet from 1999 to 2008 to do bi...

Objective: To investigate the biological characteristics of Yersinia Pestis strains separated in Yushu City, Qinghai Province and their epidemiological significance. Methods: Thirty-six strains separated from various kinds of host animals in Yushu City, Qinghai Province between 1995 and 2014 were selected as study, subjects, biochemical test, virul...

Objective: To study the characteristics of virulence factors of Yersinia pestis (Y. pestis) isolated from different natural plague foci in China and to provide a basis for developing prevention and control measures on plague. Methods: Conventional technologies were applied to examine the characteristics of four virulence factors [Fral (Fl), Pestici...

OBJECTIVE: To prepare the first batch of national standard for enterovirus 71 immunoglobulin for the efficacy test of EV71 human immunology products. METHODS: The domestic intravenous immunoglobulin products with batch release certification and high efficacy EV71 immunoglobulin products were mixed, filled, and lyophilized under aseptic conditions t...

An all time multi-wavelength lidar system used for the detection of troposphere atmospheric aerosols is developed. It utilizes the beams of 1064, 532 and 355 nm emitted by a Nd:YAG laser at the frequency of 10 Hz. This multi-wavelength lidar realizes the precise separation and extraction of Mie scattering signal at ultraviolet, visible and infrared...

Research purposes: With the lightning faults increasing, overhead ground wire has been used for lightning protection in metro projects. The overhead contact system(OCS) for the vehicle power supplying in metro is different with the power system transmission line, because it was installed above the track and its insulation level is very low. The rel...

Higher N-removal performances using the integrated fixed film activated sludge (IFAS) ANITA Mox ™ configuration were obtained at higher soluble biodegradable COD (sbCOD) to N ratios for conventional reject water due to increased denitrification activity in suspended growth, compared to the ANITA Mox moving bed biofilm reactor (MBBR) configuration....

To reflect the customer demand into the process of supplier selection accurately and effectively, the process model of customer collaborative supplier selection was established, the importance of customer collaborative evaluation was analyzed and the collaborative mechanism was proposed. On this basis, the evaluation index system of customer collab...

Objective: To analyze the epidemiological features of hand-foot-mouth disease during 2008-2013 in Chongqing and the epidemiological tendency in the future. Methods: The data of hand-foot-mouth disease during 2008-2013 in Chongqing were analyzed by the descriptive epidemiological method. The incidence of hand-foot-mouth disease during 2008-2013 in C...

Based on the section analysis of three-dimensional model of friction stir welding, the moving expressions about feature points on section contour of probe were established. According to the basis of mathematical analysis, the forming mechanisms of hook, cold overlap-defect and onion structure were revealed. In the light of the above research result...

Slagging characteristics of Zhundong coal with high alkalis, Ning coal and lignite were studied on sedimentation furnace and compared with slagging in power plant boilers to see the effectiveness of the predicted result by sedimentation furnace. Experiment results show that its DT (deformation temperature) and ST (softening temperature) respectivel...

20-hydroxyecdysone (20E) increases its titre level during the wandering stage and influences innate immunity in many holometabolous insects. However, the function of 20E as an immune-activator or -suppressor needs to be determined. Here, the transcriptome of the peptidoglycan-challenged fat body of the cotton bollworm, Helicoverpa armigera, was ana...

Each maintenance action for key components of wind turbine may result in high fixed maintenance cost, outage cost and loss of power generation. Aiming at this problem, the paper proposed a preventive-opportunistic maintenance strategy. According to the performance requirements of the component reliability, the preventive maintenance schedule time o...

Under the simulated conditions of light-duty diesel vehicles exhaust, the effect of the dispersion state and surface property of supported cobalt on the selective catalytic reduction of NOx by C3H8 (C3H8-SCR) over Co/ ZSM-5 and Co-Cu/ZSM-5 catalysts was studied by various experimental techniques. The cobalt existed and dispersed on the catalyst ext...

The “pseudomorphs” or “traps” in seismic data often cause incorrect results in geological interpretation and reservoir prediction of sand-shale interbedded layers. By analyzing and summarizing the previous research achievements, a single sand body wedge model was constructed; then, synthetic seismogram was obtained by convolution forward modeling m...