نتایج جستجو برای: batch means
تعداد نتایج: 378403 فیلتر نتایج به سال:
β-Glucan is a cell wall component that is one of the most plentiful cell polysaccharides. Moreover, it has been found to have several beneficial effects on the immune system. In yeast, β-glucan is mainly contained in the yeast cell wall, and thus it is important to produce high levels of cell mass for the mass production of yeast β-glucan. Response surface methodology (RSM) offers a potential m...
The article is devoted to the creation of an effective solution for user segmentation. presents analysis existing segmentation services, approaches (ABCDx segmentation, demographic based on a journey map), clustering algorithms (K-means, Mini-Batch K-means, DBSCAN, Agglomerative Clustering, Spectral Clustering). study these areas aimed at creating “flexible” that adapts each sample. Dispersion ...
Naproxen is a derivative of propionic acid which inhibits the cyclooxygenase enzyme and is widely used to treat patients with rheumatoid arhritis. It has antiinflammatory, analgesic and antipyretic activity. In the study, HPLC/DAD system was used for the quantitative determination of naproxen in human plasma by means of method which was developed and validated originally in Novagenix Bioanalyti...
We present a novel anytime version of partitional clustering algorithm, such as k-Means and EM, for time series. The algorithm works by leveraging off the multi-resolution property of wavelets. The dilemma of choosing the initial centers is mitigated by initializing the centers at each approximation level, using the final centers returned by the coarser representations. In addition to casting t...
performance of immunodiagnostic assays and can vary from lab to lab according to factors such as assay reagents used, variation in the level of automation, operator experience and sample throughput. The quality and stability of assay components are critical to success. An important choice during assay development is the source of control and/or calibrator material and its standardization. Lack ...
Unsupervised speaker adaptation plays an important role in \batch dictation," the aim of which is to automatically transcribe large amounts of recorded dictation using speech recognition. In the case of unsupervised speaker adaptation which uses recognition results of target speech as the means of supervision, erroneous recognition results degrade the quality of the adapted acoustic models. Thi...
Microbial community structure and dynamics were examined in two anaerobic reactors run in repeated-batch mode to treat whey permeate. Despite being started up using different seeding sources, the reactors showed generally similar reaction patterns and performances. During the repeated-batch operation for three cycles, the overall reaction rate increased with the increase in the initial populati...
This research explores the photofermentation of glycerol to hydrogen by Rhodopseudomonas palustris, with the objective to maximise hydrogen production. Two piecewise models are designed to simulate the entire growth phase of R. palustris; a challenge that few dynamic models can accomplish. The parameters in both models were tted by the present batch experiments through the solution of the under...
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