Barely Significant

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The relationships between the average pipe-soil frictional resistances F a and the buried depths H of jacking circular and rectangular pipe sections in sandy soil and coal granular layer are obtained respectively, and the fitting relationship between lateral pressure coefficient K and buried depth H of jacking circular and rectangular pipe sections in sandy soil and coal granular layer are also obtained respectively, i.e., with the increase of pipe section buried depth H , the lateral pressure coefficient K shows an increasing trend, and the increasing range is smaller and smaller.
The level of women alone decision making on their family planning use showed nearly a 20% incremental change over 7 years which is accompanied by a significant decrease in the joint decision and decision by important others which is a positive trend that aligns with both national and international indicators, targets, goals, and strategies related to reproductive health and family planning decision-making.
First, from the perspective of the evolution of cultivated land use ecological efficiency, the cultivated land use efficiency in the upper reaches of the Yangtze River is generally not high and is lower than the cultivated land use efficiency in the middle reaches of the Yangtze River [ 42 ], but it shows an increasing trend, which is consistent with China’s cultivated land use efficiency in recent years.