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In biological oceanography, new production is supported by nutrient inputs from outside the euphotic zone, especially upwelling of nutrients from deep water, but also from terrestrial and atmosphere sources (as opposite to regenerated production, which is supported by recycling of nutrients in the euphotic zone). New production depends on mixing and vertical advective processes associated with the circulation.
A product quality consistency inspection method
This invention provides a product quality consistency inspection method. Before data comparison, the number of samples to be tested is differentiated to avoid unreasonable confidence regions caused by excessively large sample sizes. Secondly, when using the t-test statistic, the sample variance of the sample data is not considered, resulting in a more reasonable confidence region. Furthermore, this invention selects different confidence regions based on the importance of product quality parameters, making the final comparison results more accurate. This product quality consistency inspection method can be used to compare product parameters between a new production line and the original production line after product technology transfer. Based on the comparison results, it can accurately determine whether the products produced by the new production line are qualified after technology transfer, with small judgment errors and accurate results, providing an accurate method for judging whether products are qualified before and after technology transfer.
Owner:SIEN (QINGDAO) INTEGRATED CIRCUITS CO LTD