Search Results - Xiang Wen

Natural ventilation has taken very important role in adjusting the thermal environment of East-China Multi-span Plastic Greenhouse. Using Bernoulli equation and continuity equation of hydrokinetics, setting up the high-point temperature in greenhouse, the dynamic opening model of natural ventilation...

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In the construction of the ubiquitous power Internet of Things, it is indispensable to analyze customers′ electricity consumption behavior for power companies. In previous studies, the K-means clustering algorithm is one of the commonly used methods for analyzing customer electricity consumption beh...

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Based on the analysis theory of thermal radiation, the author educe a way of calculating the solar radiation inside the greenhouse, varying with transmission factor of vault cover τ_c, reflection factor of soil surface ρg, transmission and shading factors τ<sub>s</sub&...

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Effective supervisory mechanisms enable both monitoring and regulation of employee behavior, ensuring behavioral compliance and performance stability. However, continuous supervision can increase employees' psychological arousal, especially evident in the face of emergencies. To avoid revealing...

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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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According to the air and soil temperature requirement of crops at seedling stage, a new underground heat storage system to be used in greenhouse was designed. As a key factor of heat exchange, distribution of airflow velocity in the heat exchange pipes was measured. The results indicated that air fl...

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Forward kinematics equation of a tomato harvesting manipulator with degree of freedom equal to 7 based on the Denavit-Hartenberg coordinate was set up through homogeneous transformation. At the same time, workspace of the manipulator was simulated by Monte Carlo method. It was indicated that the wor...

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Taking the Shengnv cherry tomato as the research material, the daily variation of leaf water potential (LWP) in tomato plant were investigated under different irrigating circumstances with NFT culture system. Results of the experiment revealed that different irrigating circumstances had different ef...

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Oestrus detection and optimal insemination time of 38 sows were studied using infrared sensors. results showed that the positive detection rate of this system was higher than that of man-watching method, its rate was 84.2%. At the same time, it could decrease the labor input and the cost of producti...

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The insensitive response to photoperiod and temperature is an important quantitative trait for soybean in wide adaptation breeding. The natural variation in response to photoperiod and temperature was detected using 275 accessions of soybean [Glycine max (L.) Merrill] from China. Genome-wide associa...

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Grain appearance quality traits, measured as grain length (GL), grain width (GW), length to width ratio (LWR), grain thickness (GT) and the percentage of grain with chalkiness (PGWC), as well as 1 000-grain weight (TGW), are very important factors that contribute to rice grain quality and yield. To...

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ObjectivesTo explore the prognostic value of eight inflammation-nutrition biomarkers in patients with lung cancer and tuberculosis as no multidimensional prognostic models for this comorbid population are available currently.MethodologyA retrospective study included 100 patients with lung cancer and...

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Chronic hepatitis B virus (HBV) infection remains one of the major global public health concerns, and it develop into liver fibrosis, cirrhosis, and hepatocellular carcinoma. Recent evidence suggests that endosomal and autophagic vesicles are beneficial for HBV replication. However, it has not been...

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Flowering time and branching type are important agronomic traits related to the adaptability and yield of soybean. Molecular bases for major flowering time or maturity loci, E1 to E4, have been identified. However, more flowering time genes in cultivars with different genetic backgrounds are needed...

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