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97 results for “boronization”
EMC3-EIRENE modeling of boron transport in DIII-D L-mode real-time wall conditioning experiments
<p>Observations from powder injection experiments in ASDEX-U and DIII-D showed improvements in the wall conditions in response to boron (B) or boron nitride (BN) injection in H-mode plasmas [1, 2]. Recent experiments have been performed in DIII-D to understand the physics of boron impurity transport during real-time wall conditioning via B powder injection. For this purpose, B powder was injected gravitationally in DIII-D at rates between 2-50 mg/s in 4 s flat top L-mode scenarios with the magnetic field in the unfavorable ∇B drift direction. Graphite and W-coated witness samples were introduced using the divertor material evaluation system (DiMES) for in-depth analysis of the deposited impurity layers.<br> Observations with a spectroscopically filtered camera showed evidence of striation patterns in the CII and BII emission on the divertor floor extending in the toroidal direction. Post-mortem analysis of the DiMES samples showed corresponding striation patterns alternating between strongly-coated and barely-coated regions. Secondary peaks in the divertor density and temperature obtained with Langmuir probes support the interpretation of a significant static magnetic perturbation affecting the scrape-off layer (SOL) background plasma and impurity transport during these experiments.<br> These effects visible in the SOL transport and plasma-surface interactions are investigated based on an analysis of potential error field effects and local source effects. First, the magnetic boundary and divertor footprints are analyzed based on equilibrium reconstruction, including static magnetic perturbations to account for known error fields. Then, the fully 3D plasma-fluid and kinetic edge neutral transport Monte-Carlo code EMC3-EIRENE is employed to resolve the effects of these error fields on SOL impurity transport and impurity fluxes onto the divertor. The structure and widths of the deposition patterns will be studied as a function of anomalous cross-field transport and impurity source location and compared with the experimental findings. This work will contribute to optimizing improvements in the wall conditions in response to B and BN powder injection recently observed on many confinement devices around the world [3, 4].</p> <p>[1] A. Bortolon et al., Nucl. Mater. and Energy, 384-389 (2019) 19</p> <p>[2] R. Lunsford et al., Nucl. Fusion 126034 (2019) 59</p> <p>[3] A. Nagy et al Rev. Sci. Instrum., 10K121 (2018) 89</p> <p>[4] R. Maingi et al., Nucl. Fusion, 024003 (2018) 58</p>
Advancing Thermal Management with Machine Learning Potentials on Boron Nitride (BN) and Other Group 13 Nitrides
<p>Machine Learning Interatomic Potentials for Bulk and Bilayer Materials (M = B, Al, Ga, and In): Extraction of Phonons and 3rd Order Interatomic Force Constants</p>
Supporting data for Boron and Deere et al. (Current Biology, 2023): "Habitat modification destabilizes spatial associations and persistence of Neotropical carnivores"
<p>Data underpinning the Current Biology publication "Habitat modification destabilizes spatial associations and persistence of Neotropical carnivores" (doi.org/10.1016/j.cub.2023.07.064). Species detection data for 11 Neotropical carnivores obtained using camera trap methods across a gradient of human habitat modification. Cameras were deployed across 468 sampling locations distributed across nine study landscapes in Colombia. Site-level covariates detailing forest extent, habitat quality and proximity to key environmental resources are also provided. These data were implemented to assess spatial associations between sympatric carnivores across gradients of human habitat modification. </p>
Data from: Boron application increases growth of Brazilian Cerrado grasses
Open the record for dataset details and reuse information.
Effects of short-term boron deficiency on gene expression in Pyrus betulaefolia Bunge roots
GEO Series GSE218373. Pyrus betulifolia. 6 samples. Type: Expression profiling by high throughput sequencing.
Identification of boron-deficiency-responsive microRNAs in Citrus sinensis roots by Illumina sequencing
GEO Series GSE57016. Citrus sinensis. 2 samples. Type: Non-coding RNA profiling by high throughput sequencing.
ATR1 Boron Transporter is Regulated by Gcn4 Transcription Factor in Response to Boron Stress
GEO Series GSE29887. Saccharomyces cerevisiae. 3 samples. Type: Expression profiling by array.
Boron-deficiency-responsive microRNAs and their targets in Citrus sinensis leaves
GEO Series GSE72108. Citrus sinensis. 2 samples. Type: Non-coding RNA profiling by high throughput sequencing.
Boron Phenylalanine With or Without Mannitol in Treating Patients With Glioblastoma Multiforme
ClinicalTrials.gov study NCT01233492. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effects of Boron and Mediterranean Diets on Gut Microbiota and Metabolic Health
ClinicalTrials.gov study NCT07156097. IPD Sharing: NO. Countries: 1. Publications: 0.
Boron Neutron Capture Therapy in Treating Patients With Stage III Melanoma
ClinicalTrials.gov study NCT00002781. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Effect of Local Application of Boron on Diabetic Foot Ulcers
ClinicalTrials.gov study NCT02087215. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Boron Neutron Capture Therapy in Treating Patients With Glioblastoma Multiforme or Melanoma Metastatic to the Brain
ClinicalTrials.gov study NCT00039572. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Boron Neutron Capture Therapy (BNCT) for Locally Recurrent Head and Neck Cancer
ClinicalTrials.gov study NCT01173172. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Boron Neutron Capture Therapy With B10 L-BPA for Unresectable Recurrent Head and Neck Cancers
ClinicalTrials.gov study NCT06952868. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Preventive Effect of Boron-based Gel on Radiation Dermatitis
ClinicalTrials.gov study NCT04239560. IPD Sharing: YES. Countries: 1. Publications: 0.
A Study of the Boron Neutron Capture Therapy (BNCT) Using B10 L-BPA in Malignant Brain Tumors
ClinicalTrials.gov study NCT07003139. IPD Sharing: Not stated. Countries: 1. Publications: 0.
A Study of the Boron Neutron Capture Therapy (BNCT) Using B10 L-BPA in Recurrent Meningioma
ClinicalTrials.gov study NCT06668987. IPD Sharing: NO. Countries: 1. Publications: 0.
Boron Neutron Capture Therapy in Treating Patients With Melanoma
ClinicalTrials.gov study NCT00059800. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Global mRNA profiling reveals the effect of boron as a crop protection tool against Sclerotinia sclerotiorum
GEO Series GSE264324. Brassica napus; Sclerotinia sclerotiorum. 18 samples. Type: Expression profiling by high throughput sequencing.
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Allen Brain Atlas
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