Новые полные метрики и меры нетривиальности для формул многозначных логик в автоматической кластеризации формул из логической базы знаний. II

В статье рассмотрены следующие задачи: обобщены ранее введённые расстояния и меры нетривиальности на n -значный случай любой логики, сняв ограничения на параметры; используя новые расстояния, разработаны алгоритмы кластеризации множеств формул в n -значной логике; проведены кластеризации подмножеств формул из различных баз знаний и предложены способы сравнения результатов различных адаптированных алгоритмов кластеризации

Project of deuteron accelerator based neutron source for rib production

The project of a high-intense neutron source for the SPES project in LNL, Legnaro, Italy [1] is developed. The source is based on the rotating carbon target. The target is bombarded by the deuteron beam with energy 20 MeV, diameter 1 cm, average power 100 kW. The target is cooled by its thermal radiation, and its temperature can reach 1800ºC. It is shown that high density graphite can be used as a material for neutron production. The source can produce up to 10¹⁴ neutrons per second with energy within few MeV - few dozens MeV range, its lifetime is around few thousand hours

Project of a fast neutron target based on a 10 MeV 300 kW proton accelerator

Project of targets for high intense neutron source is proposed. The source is based on a proton continuous accelerator with the 10 MeV particle energy and up to 300 kW mean beam power. Problems of fabrication of these targets are discussed. Hot solid state and liquid target designs are considered. Maximum admissible target parameters are presented. Advantages and disadvantages of various types of target for neutron production are discussed

Новые полные метрики и меры нетривиальности для формул многозначных логик в автоматической кластеризации формул из логической базы знаний. I

В статье рассмотрены следующие задачи: обобщены ранее введённые расстояния и меры нетривиальности на n -значный случай любой логики, сняв ограничения на параметры; используя новые расстояния, разработаны алгоритмы кластеризации множеств формул в n -значной логике; проведены кластеризации подмножеств формул из различных баз знаний и предложены способы сравнения результатов различных адаптированных алгоритмов кластеризации

Measurements of the longitudinal coupling impedences using short electron bunch

The longitudinal coupling impedance in modern storage rings has to be limited to ensure beam stability. To de- termine the real part of the narrow band impedance we suggest to measure the loss factor of the resonant modes using short electron bunch passing through the tested el- ement. This method is also suitable for the measurement of the longitudinal impedances for nonrelativistic particles, that is important for some modern projects of ion storage rings designed to achieve ordered structure in the ion beam. The desired value of relativistic parameter gamma can be chosen by adjusting energy of the electron bunch. The impedance of the fundamental mode of the wall current monitor was measured using 60 ps electron bunch from photogun. The dependence of impedance on beam energy is measured in the range 25-50 kV . Comparison of experimental data with computer simulation is done

The production of short intensive bunches from GaAs photocathode

The installation for length measurements of the electron bunches emitted from GaAs photocathode is constructed. Two methods of bunch length measurements are suggested and applied. The bunch length is calculated on the basis of experimental data. The experimental results are analyzed and compared with results of computer simulations

Experimental study of the response time of GaAs as a photoemitter

An experimental investigation was carried out to measure the response time of GaAs in negative electron affinity conditions as a photoemitter. During the experiment, the photocathode was excited by a short-pulse (38 ps rms) frequency-doubled Nd:YLF laser. Results show that the rms response time of GaAs is shorter than 40 ps

Community-developed checklists for publishing images and image analyses

Images document scientific discoveries and are prevalent in modern biomedical research. Microscopy imaging in particular is currently undergoing rapid technological advancements. However, for scientists wishing to publish obtained images and image-analysis results, there are currently no unified guidelines for best practices. Consequently, microscopy images and image data in publications may be unclear or difficult to interpret. Here, we present community-developed checklists for preparing light microscopy images and describing image analyses for publications. These checklists offer authors, readers and publishers key recommendations for image formatting and annotation, color selection, data availability and reporting image-analysis workflows. The goal of our guidelines is to increase the clarity and reproducibility of image figures and thereby to heighten the quality and explanatory power of microscopy data.Toxicolog