खोज परिणाम - ZHANG Yu

In order to make better use of Hi3559′s powerful video image processing capabilities in the field of industrial sites and security monitoring, to achieve long-distance transmission of high-definition video and intelligent algorithms，adopting Hi3559+FPGA hardware architecture, using the coaxial cable...

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In 2002, the discovery of acrylamide contaminant in heat processing foods got a worldwide attention because of its genetic and reproductive toxicities as well as mutagenic and carcinogenic properties. Therefore, it is necessary to find effective additive agents to reduce the formation of acrylamide...

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According to analysis of integration methods between geographical information system (GIS) and application model, a decision support system (DSS) based on GIS for agricultural mechanization management was designed by means of systematic analysis, information processing technology, system integration...

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In order to optimize and balance the reliability and testability of modern equipment, a collaborative optimization method of equipment reliability and testability considering the characteristics of BIT (Built In Test) is proposed The BIT characteristic model, reliability model and testability mod...

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Objective: This study aimed to isolate probiotics with the ability to utilize alcohol from honey and conduct whole-genome sequencing analysis on the selected strains. Methods: The isolates were identified taxonomically by physiological and biochemical tests, 16S rDNA sequencing, and phylogenetic tre...

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The objectives of this paper were to develop and evaluate a pneumatic roof-windows system for multispan plastic greenhouses. According to the cost-saving principle and operating requirements, performing mechanism, linkers and controllers in the system were selected. The equipment initial investment,...

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The active power output capability and small signal stability in weak grids are key factors that limit stable photovoltaic (PV) power generation. To improve stably generating PV power in weak grids, an adaptive control method for PV inverters based on online tuning of the reactive power-voltage (Q-V...

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The microstructure of TC4 titanium alloy prepared by selective laser melting(SLM) technology is prone to the phenomenon of coarse grains and poor wear resistance.To address this issue, an appropriate amount of Y2O3 was added during the SLM preparation process of TC4 titanium alloy, and it...

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In this work, we investigate the interior structure of a holographic multi-band superconductor model. We focus on the holographic superconductor system with two scalar fields which correspond to two s-wave order parameters in the dual condensed matter system. We discover a new kind of transition rul...

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The nutritional parameters (N, P and K) in two typical soils (red soil in Quzhou and purplish clayey soil in Haining) in Zhejiang Province were determined using near infrared (NIR) and middle infrared (MIR) spectroscopy. A total of 80 soil samples were collected, 60 (30 for each variety) samples of...

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Phyllosphere microorganisms play important roles in promoting plant growth and resisting biotic and abiotic stresses. Nevertheless, there is a lack of knowledge on the phyllosphere microbial community structure and function of environment-specific plants, especially heavy metal-hyperaccumulating pla...

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In real-world driving environments, curved roads are a common scenario that drivers must consider. Driver behavior is also a key factor in the study of traffic systems. This study investigates how factors such as curvature radius and friction coefficient affect the stability of a memory-dependent ve...

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Copper ions easily complex with ligand and act as the central ion. EGCG ((—) Epigallocatechin gallate), one of the catechins in tea, is the most active natural polyphenol in the products and, being a polyligand, can complex with Cu²⁺. In this paper, the reaction condition for...

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In order to study the spatial distribution characteristics and sources of heavy metal contents in the soil of main wine-making vineyards in Jiayuguan City, Gansu Province, and to evaluate the levels of heavy metal pollution and potential ecological risk, we combined geographic information system-bas...

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The kinetic characteristics of β-glucosidase were studied in a black soil and a brown soil with long-term fertilization. It was found that the enzymatic reaction of soil β-glucosidase followed first-order kinetics. In the black soil, organic manure fertilization had a greater effect on the kinetic p...

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In order to study the tissue expression character of Follistatin gene in marine fish, the promoter of Paralichthys olivaceus Follistatin gene was isolated by PCR, and the sequence was analyzed; the function of Follistatin gene on the development of muscle was studied by RT-PCR and microinjection. Th...

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With a F₂ population between a resistant parent and susceptible parent, SRAP analysis was carried to develop molecular markers linked to powdery mildew in cucumber. Sixty-two pairs of primer combinations which had stable amplified polymorphic bands between resistant parent and...

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Double-break high speed switch is the important equipment for the EHV transmission system， but the motor control system of the switch cannot satisfy the synchronous requirements. In order to solve the synchronous error problem of the double motors system， based on cross-coupled control， an improved...

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Aiming at evaluating the cathodic protection effect of the condenser system, a prototype of the condenser system was established, and the protection effect of the cathodic protection system was evaluated through experiments. Subsequently, the simulation and optimization of the condenser protection p...

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