Science Discovery

Volume 8, Issue 2, April 2020

  • Promoting the Construction of Beautiful and Rich China with the Theory of Soil and Water Ecology

    Sun Fazheng

    Issue: Volume 8, Issue 2, April 2020
    Pages: 27-31
    Received: Mar. 18, 2020
    Accepted:
    Published: Jun. 04, 2020
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    Abstract: Started from the problems and perplexities of ecological environment in China, the scientific principle and value of the theory of soil and water ecology are discussed. It is thought that the theory of soil and water ecology clarifies the complicated problems of ecological environment. Environmental pollution can be controlled, but it is only a mat... Show More
  • Improved Monte Carlo method to Study Road Reliability

    Fang Jian, Sun Yaonan

    Issue: Volume 8, Issue 2, April 2020
    Pages: 32-36
    Received: Feb. 10, 2020
    Accepted:
    Published: Jun. 04, 2020
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    Abstract: This paper firstly introduces the development of Monte-Carlo method in connectivity reliability and its advantages and disadvantages in the study of road connectivity reliability. Secondly, introduce the traditional Monte Carlo method to calculate the reliability of the connection, and improve the accuracy and speed of the traditional Monte Carlo m... Show More
  • Preparation and Properties of Degradable Metal Materials for Oil and Gas Wells

    Zhang Yi, Liu Jinhu, Shi Xiaolong, Chang Gang, Liu Wentao, Nie Wei, Yang Dong

    Issue: Volume 8, Issue 2, April 2020
    Pages: 37-42
    Received: Feb. 03, 2020
    Accepted:
    Published: Jun. 09, 2020
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    Abstract: In the process of measure operation for oil and gas wells, downhole tools may get stuck, which not only delays the construction period, but also increases the operation cost. This paper discusses a kind of degradable metal material which can be used to make downhole tools for oil and gas wells. In order to prepare the material, firstly, according t... Show More
  • Preparation and Properties of Fungal Mycelium Based on Garden Waste

    Dong Zou, Liqiang Gao

    Issue: Volume 8, Issue 2, April 2020
    Pages: 43-45
    Received: Apr. 29, 2020
    Accepted:
    Published: Jun. 09, 2020
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    Abstract: With the development of urban afforestation, the increasing of garden waste has become a seriously problem. There are a lot of limitations by the traditional approaches to garden waste utilization and therefore it’s urgent need to explore a new method for garden waste utilization. To solve the problem of using garden waste, we produce a new composi... Show More