Results 1 to 10 of about 972,141 (293)

Study of the Spectral Characteristics of Crops of Winter Wheat Varieties Infected with Pathogens of Leaf Diseases [PDF]

Plants
Studying the influence of the host plant genotype on the spectral reflectance of crops infected by a pathogen is one of the key directions in the development of precision methods for monitoring the phytosanitary state of wheat agrocenoses. The purpose of
Roman Danilov, Oksana Kremneva, Igor Sereda, Ksenia Gasiyan, Mikhail Zimin, Dmitry Istomin, Alexey Pachkin   +6 more
doaj   +2 more sources

Spectral Characteristics Simulation of Topological Micro-Nano Structures Based on Finite Difference Time Domain Method [PDF]

Nanomaterials, 2021
Natural structural colors inspire people to obtain the technology of spectral characteristics by designing and preparing micro-nano structures on the material’s surface.
Xiaoran Ma, Bairui Du, Shengwang Tan, Haiying Song, Shibing Liu   +4 more
doaj   +2 more sources

The Choice of Optical Flame Detectors for Automatic Explosion Containment Systems Based on the Results of Explosion Radiation Analysis of Methane- and Dust-Air Mixtures

Applied Sciences, 2022
A review of the existing optoelectron monitoring devices revealed that the design of optoelectron detectors of the mine atmosphere does not sufficiently take into account the factor of external optical interference. This includes any extraneous source of
Sergey Khokhlov, Zaur Abiev, Viacheslav Makkoev   +2 more
doaj   +1 more source

Recent Progress and Development Trend of Self-Sweeping Fiber Laser

Frontiers in Physics, 2021
Since 2011, when Kir’yanov et al. first reported a new wavelength self-sweeping ytterbium-doped fiber laser that does not rely on any tuning element but only on the dynamic induced grating generated in the gain fiber by the standing wave resonator ...
Zhenzhong Zuo, Zhenzhong Zuo, Kaile Wang, Kaile Wang, Haowei Chen, Haowei Chen, Haowei Chen, Baole Lu, Baole Lu, Baole Lu, Jintao Bai, Jintao Bai, Jintao Bai   +12 more
doaj   +1 more source

Dependence of spectral characteristics of semiconductor and solid state lasers of visible range on active environment temperature [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2018
We consider research results on the effect of the active medium temperature, which varies with the operation of semiconductor and solid-state (DPSS) lasers of the visible range, on the output spectral characteristics. The paper presents the study results
Anton A. Adamov, Mikhail S. Baranov, Vladimir N. Khramov   +2 more
doaj   +1 more source

Spectral characteristics of network redundancy [PDF]

Physical Review E, 2009
12 pages, 51 figures, significant ...
MacArthur, Ben D., Sanchez-Garcia, Ruben
openaire   +4 more sources

Spectral Differences Between Normal and Atherosclerotic Aorta

McGill Journal of Medicine, 2020
Ischemic heart disease associated with coronary artery atherosclerosis is a leading cause of death in the world today. In addition to standard treatments such as balloon angioplasty, laser mediated angioplasty is being considered as a potential adjuvant ...
Nikolay Korovin
doaj   +1 more source

Rapid Identification of Infectious Pathogens at the Single-Cell Level via Combining Hyperspectral Microscopic Images and Deep Learning

Cells, 2023
Identifying infectious pathogens quickly and accurately is significant for patients and doctors. Identifying single bacterial strains is significant in eliminating culture and speeding up diagnosis.
Chenglong Tao, Jian Du, Junjie Wang, Bingliang Hu, Zhoufeng Zhang   +4 more
doaj   +1 more source

Influences of Soil Bulk Density and Texture on Estimation of Surface Soil Moisture Using Spectral Feature Parameters and an Artificial Neural Network Algorithm

Agriculture, 2021
Effective monitoring of soil moisture (θ) by non-destructive means is important for crop irrigation management. Soil bulk density (ρ) is a major factor that affects potential application of θ estimation models using remotely-sensed data.
Wanying Diao, Gang Liu, Huimin Zhang, Kelin Hu, Xiuliang Jin   +4 more
doaj   +1 more source

Seismic Wave Propagation Characteristics and Their Effects on the Dynamic Response of Layered Rock Sites

Applied Sciences, 2022
To investigate the seismic response of layered rock sites, a multidomain analysis method was proposed. Three finite element models with infinite element boundaries for layered sites were analysed.
Lihu Dong, Danqing Song, Guangwei Liu
doaj   +1 more source