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499 results for “fuels”
Unsupervised Anomaly Detection for Liquid-Fueled Rocket Prop...
Title: Unsupervised Anomaly Detection for Liquid-Fueled Rocket Propulsion Health Monitoring. Abstract: This article describes the results of applying four unsupervised anomaly detection algorithms to data from two rocket propulsion testbeds. The first testbed uses historical data from the Space Shuttle Main Engine. The second testbed uses data from an experimental rocket engine test stand located at NASA Stennis Space Center. The article describes nine anomalies detected by the four algorithms. The four algorithms use four different definitions of anomalousness. Orca uses a nearest-neighbor approach, defining a point to be an anomaly if its nearest neighbors in the data space are far away from it. The Inductive Monitoring System clusters the training data, and then uses the distance to the nearest cluster as its measure of anomalousness. GritBot learns rules from the training data, and then classifies points as anomalous if they violate these rules. One-class support vector machines map the data into a high-dimensional space in which most of the normal points are on one side of a hyperplane, and then classify points on the other side of the hyperplane as anomalous. Because of these different definitions of anomalousness, different algorithms detect different anomalies. We therefore conclude that it is useful to use multiple algorithms.
Aviation Safety Reporting System: Fuel Management Issues
A sampling of reports referencing incidents of fuel mismanagement, and operational concerns for fuel planning.
Temperature Stratification in a Cryogenic Fuel Tank
A reduced dynamical model describing temperature stratification effects driven by natural convection in a liquid hydrogen cryogenic fuel tank has been developed. It accounts for cryogenic propellant loading, storage, and unloading in the conditions of normal, increased, and micro- gravity. The model involves multiple horizontal control volumes in both liquid and ullage spaces. Temperature and velocity boundary layers at the tank walls are taken into account by using correlation relations. Heat exchange involving the tank wall is considered by means of the lumped-parameter method. By employing basic conservation laws, the model takes into consideration the major multi-phase mass and energy exchange processes involved, such as condensation-evaporation of the hydrogen, as well as flows of hydrogen liquid and vapor in the presence of pressurizing helium gas. The model involves a liquid hydrogen feed line and a tank ullage vent valve for pressure control. The temperature stratification effects are investigated, including in the presence of vent valve oscillations. A simulation of temperature stratification effects in a generic cryogenic tank has been implemented in Matlab and results are presented for various tank conditions.
Tryptophan 2, 3-dioxygenase positive matrix fibroblasts fuel breast cancer lung metastasis via kynurenine-mediated ferroptosis resistance of metastatic cells and T cell dysfunction
GEO Series GSE269817. Mus musculus. 6 samples. Type: Expression profiling by high throughput sequencing.
Single-Cell Spatial Transcriptomics Unveils Platelet-Fueled Cycling Macrophages for Kidney Fibrosis
GEO Series GSE271934. Mus musculus. 4 samples. Type: Expression profiling by high throughput sequencing.
Nucleotide metabolism in cancer cells fuels a UDP-driven macrophage cross-talk promoting immunosuppression and immunotherapy resistance [RNAseq_Panc02_sgNT_sgCda_tumor]
GEO Series GSE196788. Mus musculus. 10 samples. Type: Expression profiling by high throughput sequencing.
HEPATIC GENE EXPRESSION PATTERNS IN JUVENILE TURBOTS (Scophthalmus maximus) AFTER EXPOSURE TO NO2 FUEL OIL (PRAGMA, a pragmatic and integrated approach for the evaluation of environmental impact of oi
GEO Series GSE43361. Scophthalmus maximus. 11 samples. Type: Expression profiling by array.
Pantothenate metabolism fuels T cell antitumor immunity
GEO Series GSE187456. Mus musculus. 9 samples. Type: Expression profiling by high throughput sequencing.
Lack of phosphoenolpyruvate carboxykinase 1 in hepatic stellate cells causes liver fibrosis by fueling tricarboxylic acid cycle and increasing glycolysis
GEO Series GSE313667. Mus musculus. 8 samples. Type: Expression profiling by high throughput sequencing.
AKR1C3-mediated adipose androgen generation fuels an adverse metabolic phenotype in polycystic ovary syndrome (PCOS)
GEO Series GSE84958. Homo sapiens. 53 samples. Type: Expression profiling by high throughput sequencing.
Nucleotide metabolism in cancer cells fuels a UDP-driven macrophage cross-talk promoting immunosuppression and immunotherapy resistance [RNAseq_meta_analysis]
GEO Series GSE196786. Mus musculus. 36 samples. Type: Expression profiling by high throughput sequencing.
Altered gene expression related to fuel use and sensory capacity in tanycytes throughout the hibernation season in the golden hamster
GEO Series GSE281814. Mesocricetus auratus. 36 samples. Type: Expression profiling by high throughput sequencing.
Loss of SPHK1 fuels inflammation to drive KRAS-mutated lung adenocarcinoma
GEO Series GSE279515. Mus musculus. 10 samples. Type: Expression profiling by high throughput sequencing.
Nucleotide metabolism in cancer cells fuels a UDP-driven macrophage cross-talk promoting immunosuppression and immunotherapy resistance [RNAseq_Panc02_sgNT_sgCda_invitro]
GEO Series GSE196787. Mus musculus. 8 samples. Type: Expression profiling by high throughput sequencing.
Mitochondrial serine metabolism fuels epigenetic remodelling in osteoclast differentiation and is the main target of methotrexate
GEO Series GSE243008. Mus musculus. 58 samples. Type: Expression profiling by high throughput sequencing.
HEPATIC GENE EXPRESSION PATTERNS IN JUVENILE TURBOTS (Scophthalmus maximus) AFTER EXPOSURE TO NO2 FUEL OIL AND TO STYRENE (PRAGMA, a pragmatic and integrated approach for the evaluation of environment
GEO Series GSE43355. Scophthalmus maximus. 15 samples. Type: Expression profiling by array.
Tryptophan 2, 3-dioxygenase positive matrix fibroblasts fuel breast cancer lung metastasis via kynurenine-mediated ferroptosis resistance of metastatic cells and T cell dysfunction II
GEO Series GSE270152. Mus musculus. 12 samples. Type: Expression profiling by high throughput sequencing.
The receptor-like cytosolic kinase RIPK activates NADP-malic enzyme 2 to generate NADPH for fueling the ROS production
GEO Series GSE198017. Arabidopsis thaliana. 6 samples. Type: Expression profiling by high throughput sequencing.
Dataset para Estimação de Torque de Motores de Combustão Interna Flex-Fuel Utilizando Machine Learning
<p>Dataset foi projetado para auxiliar na modelagem e estimação do torque de motores de combustão interna do tipo Flex Fuel utilizando técnicas de Machine Learning. </p>
Datasheets of article "Dual-chamber microbial fuel cell with denitrifying biocathode for the treatment of cassava processing wastewater"
<p>Datasheets related to the article entitled "Dual-chamber microbial fuel cell with denitrifying biocathode for the treatment of cassava processing wastewater".</p>
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.