Basic principles of sample size calculation
Journal of the Practice of Cardiovascular Sciences, 2020 The calculation of sample size helps a medical researcher to assess cost, time, and feasibility of his project besides scientific justification and validity. Although frequently reported in journals, the details or the elements of sample size calculation
Shivam Pandey
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Sample size calculation: Basic principles
Indian Journal of Anaesthesia, 2016 Addressing a sample size is a practical issue that has to be solved during planning and designing stage of the study. The aim of any clinical research is to detect the actual difference between two groups (power) and to provide an estimate of the ...
Sabyasachi Das +2 more
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Research Status of Numerical Simulation Technology in the Field of HVDC Grounding Pole Interference in Buried Pipelines [PDF]
Cailiao Baohu, 2023 In order to better understand the research status in the field of HVDC interference in buried pipelines by numerical simulation technology, the research results of HVDC interference in buried pipelines at home and abroad were summarized.
LIU Qing-song, HU Shang-mao, CAI Han-sheng, DENG Jun, PENG Xiang, ZHANG Yi, LIU Gang, JIA Lei
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An Overhead Conductor Temperature Calculation Method Based on Elevation Wind Speed Prediction
Zhongguo dianli, 2022 The wind speed used in overhead conductor temperature calculation is usually measured near to ground. The low precision of the measurement leads a large deviation in temperature calculation, resulting high difficulty in line operation and maintenance. To
Zhengganzhe CHEN +3 more
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Calculation cost of goods sold for edutourism package services using the full costing method at one home farm indonesia [PDF]
E3S Web of Conferences, 2023 One Home Farm is a farming community and one of the educational tourism destinations in the city of Bogor. Most tourist destinations have yet to charge optimal costs for the price of their tour packages so that the profits obtained are not optimal.
Pratiwi Ratih, Ayu Azzahra Bilqis
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Fault interaction and earthquake triggering mechanisms: Progress and prospects
地球与行星物理论评, 2023 Research on fault interaction and earthquake triggering, which is a hot issue in the field of source physics, can facilitate understanding of the underlying mechanisms of strong earthquakes and also has good application prospects in earthquake risk ...
Ke Jia, Shiyong Zhou
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The Conformity of Additional Corporate Tax with The Turkish Constitution
İdare Hukuku ve İlimleri Dergisi, 2023 The legal basis for taxation lies in the regulation of economic activities or values as tax subjects by relevant legal provisions. At the core of taxation transactions, the occurrence of the taxable event is pivotal, serving as the material reason and ...
Yusuf Karakoç
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Research on Technical Route Optimization and Energy-saving Characteristics of High-temperature Subcritical Retrofit [PDF]
E3S Web of Conferences, 2021 In order to further reduce the power supply coal consumption rate for 300MW subcritical units, this paper will conduct a comprehensive analysis to improve the main steam and reheat steam parameters of those units based on the basic principles of ...
Wu He An, Zhong Feng Wei, Li Y.
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Molecular mechanics application in inorganic Chemistry [PDF]
Química Nova, 1999 The present paper is a review about basic principles of the molecular mechanics that is the most important tool used in molecular modeling area, and their applications to the calculation of the relative stability and chemical reactivity of organometalic ...
Lilian Weitzel Coelho +4 more
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Design and analysis of long-stroke feeding device for drilling rig in underground coal mine
Meikuang Anquan, 2022 The basic design principles and structural characteristics of the feeding device of drilling rig in underground coal mine are analyzed. According to the demand of long-stroke, a feeding device by the series and parallel combination cylinder is developed,
YAO Yafeng +3 more
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