9 Result(s)
within
Yi-cheng Liu
English
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Chapter and Conference Paper
Evaluation Method and Analysis of Influencing Factors for Productivity of Ultra Deep and High Pressure Gas Wells
Due to the high temperature and pressure, as well as the development of multi-scale pores and fractures, the development of ultra deep gas reservoirs faces a series of challenges such as complex reservoir seep...
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Article
Open AccessExploring the growth value equity valuation model with data visualization
The Growth Value Model (GVM) proposed theoretical closed form formulas consisting of Return on Equity (ROE) and the Price-to-Book value ratio (P/B) for fair stock prices and expected rates of return. Although ...
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Article
Open AccessRevealing the chirality origin and homochirality crystallization of Ag14 nanocluster at the molecular level
Although chirality is an ever-present characteristic in biology and some artificial molecules, controlling the chirality and demystifying the chirality origin of complex assemblies remain challenging. Herein, ...
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Article
Open AccessDiscovering optimal weights in weighted-scoring stock-picking models: a mixture design approach
Certain literature that constructs a multifactor stock selection model adopted a weighted-scoring approach despite its three shortcomings. First, it cannot effectively identify the connection between the weigh...
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Article
Estimating the distribution of enterprise values with quantile neural networks
The probability density function of enterprise values may be more precise and useful in the cases of corporate investment, financing, or transactions. Although the quantile regression analysis can generate a s...
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Article
Robust attitude tracking based on rotation vector
This paper addresses robust attitude tracking by considering bounded external disturbances and uncertain inertia matrix. Rotation vector is adopted for attitude representation. On this basis, controller design...
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Article
Open AccessPolymorphism and structure of style–specific arabinogalactan proteins as determinants of pollen tube growth in Nicotiana
Pollen tube growth and fertilization are key processes in angiosperm sexual reproduction. The transmitting tract (TT) of Nicotiana tabacum controls pollen tube growth in part by secreting pistil extensin-like pro...
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Article
Using mixture design and neural networks to build stock selection decision support systems
There are three disadvantages of weighted scoring stock selection models. First, they cannot identify the relations between weights of stock-picking concepts and performances of portfolios. Second, they cannot...
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Article
Impulsive Boundary Value Problems for First-order Ordinary Differential Inclusions
In this paper, we investigate the existence of solutions for impulsive first order ordinary differential inclusions which admitting nonconvex valued right hand side. We present two classes of results. In the f...
