Результаты поиска

Comparison of the particle flux measured by Liulin-MO dosimeter in ExoMars TGO science orbit with those calculated by models.

The knowledge of the space radiation environment in spacecraft transition and in Mars vicinity is of importance for the preparation of the human exploration of Mars. ExoMars Trace Gas Orbiter (TGO) was launched on March 14, 2016 and was inserted into circular Mars science orbit (MSO) with a 400 km altitude in March 2018. The Liulin-MO dosimeter is a module of the Fine Resolution Epithermal Neutron Detector (FREND) aboard ExoMars TGO and has been measuring the radiation environment during the TGO interplanetary travel to Mars and continues to do so in the TGO MSO. One of the scientific objectiv…

Application of satellite precipitation data to analyse and model arbovirus activity in the tropics.

BACKGROUND: Murray Valley encephalitis virus (MVEV) is a mosquito-borne Flavivirus (Flaviviridae: Flavivirus) which is closely related to Japanese encephalitis virus, West Nile virus and St. Louis encephalitis virus. MVEV is enzootic in northern Australia and Papua New Guinea and epizootic in other parts of Australia. Activity of MVEV in Western Australia (WA) is monitored by detection of seroconversions in flocks of sentinel chickens at selected sample sites throughout WA. Rainfall is a major environmental factor influencing MVEV activity. Utilising data on rainfall and seroconversions, stati

Tírez lake as a terrestrial analog of Europa.

Tírez Lake (La Mancha, central Spain) is proposed as a terrestrial analogue of Europa's ocean. The proposal is based on the comparison of the hydrogeochemistry of Tírez Lake with the geochemical features of the alteration mineralogy of meteoritic precursors and with Galileo's Near Infrared Mapping Spectrometer data on Europa's surface. To validate the astrobiological potential of Tírez Lake as an analog of Europa, different hydrogeochemical, mineral, and microbial analyses were performed. Experimental and theoretical modeling helped to understand the crystallization pathways that may occur in

Effects of Crew Seat Inclination on Multi-Organ Injury Risk in Astronauts During Off-Nominal High-g Landing Impact.

PURPOSE: During off-nominal landings, spacecraft reentry capsules can experience impact accelerations far exceeding the 8-12 g typical of nominal returns, with peak values surpassing 50 g and rise times under 100 ms. Such loading conditions pose multi-organ injury risks to astronauts. This study systematically investigates how seatback inclination modulates these risks. METHODS: Drop tower tests were performed at three severity levels (Low: 18 g, Mid: 32 g, High: 45 g) using a Hybrid III 50th percentile male anthropomorphic test device. The measured velocity pulses then drove THUMS AM50 v7.0 …

Identifying a new candidate space crop: the alpine strawberry Fragaria vesca.

New food systems are needed for multi-year space missions. Supporting long missions exclusively with preserved food is logistically impractical and would have negative physical and psychological impacts on crew members. One option is to grow crops of fresh food on spacecraft or in off-Earth habitats. Strawberry (Fragaria sp.) has been identified as a potential space crop due to its physical, physiological and sensory properties. We assessed the potential of the alpine strawberry, F. vesca, as a new space crop by comparing F. vesca accession Hawaii 4 (F7) to NASA's space strawberry candidate F.…

Germination, Outgrowth, and Vegetative-Growth Kinetics of Dry-Heat-Treated Individual Spores of Bacillus Species.

DNA damage kills dry-heated spores of Bacillus subtilis, but dry-heat-treatment effects on spore germination and outgrowth have not been stu … igh-temperature dry heat is a promising means for the inactivation of spores on medical devices and spacecraft decontamination. Dry heat is known to kill Bacillus subtilis spores by DNA damage. However, knowledge about the effects of dry-heat treatment on spore germination and outgrowth is limited, especially at the single spore level. In the current work, R …

Hydrogen cyanide polymers, comets and the origin of life.

Hydrogen cyanide polymers--heterogeneous solids ranging in colour from yellow to orange to brown to black--could be major components of the … onents of the cometary dust that struck the Cometary and Interstellar Dust Analyzer of the Stardust spacecraft as it approached Comet Wild 2 on January 2, 2004. Preliminary evidence (January 2005) obtained by the Huygens probe of the ongoing Cassini-Huygens mission to Saturn and its satellites indicates the presence of nitrogen-containing organic compounds i …

Multiple latent viruses reactivate in astronauts during Space Shuttle missions.

Latent virus reactivation and diurnal salivary cortisol and dehydroepiandrosterone were measured prospectively in 17 astronauts (16 male and 1 female) before, during, and after short-duration (12-16 days) Space Shuttle missions. Blood, urine, and saliva samples were collected during each of these phases. Antiviral antibodies and viral load (DNA) were measured for Epstein-Barr virus (EBV), varicella-zoster virus (VZV), and cytomegalovirus (CMV). Three astronauts did not shed any virus in any of their samples collected before, during, or after flight. EBV was shed in the saliva in all of the rem

Cardiovascular and respiratory responses during a complex decision-making task under prolonged isolation.

Self-administered psychophysiological assessment during a mission is not only feasible, but yields reliable data that can be related to miss … y. Initially, this can perhaps best be realized by procedures which include a data-link between the spacecraft and ground mission control. On the basis of ground-based analysis and evaluation of the data, psychologists at mission control may decide to provide information to the crew concerning potential individual or intragroup overload or stress problems, a …

The potential of the Medical Digital Twin in diabetes management: a review.

Diabetes is a chronic prevalent disease that must be managed to improve the patient's quality of life. However, the limited healthcare management resources compared to the large diabetes mellitus (DM) population are an obstacle that needs modern information technology to improve. Digital twin (DT) is a relatively new approach that has emerged as a viable tool in several sectors of healthcare, and there have been some publications on DT in disease management. The systematic summary of the use of DTs and its potential applications in DM is less reported. In this review, we summarized the key tec

Совпадение в полном тексте источника
… DT has facilitated the integration of digital and physical spaces throughout the entire lifecycle of spacecraft ( 5 ). Furthermore, the use of DT in collaborative painting robots has improved worker safety and health ( 6 ). … Application status and prospect of digital twin for on-orbit spacecraft. IEEE Access. (2021) 9:106489–500. 10.1109/ACCESS.2021.3100683 6. Chancharoen R, Chaiprabha K, Wuttisittikulkij L, Asdornwised W, Saadi M, Phanomchoeng G. Digital twin for a collaborative painting robot. …

Цифровая двойная модель для подкрепления клинического решения на основе фактических данных при многократном лечении миэломы.

За последнее десятилетие в области лечения миеломы (ММ) был достигнут значительный прогресс. Несмотря на эффективность новых веществ, реакция пациентов, как правило, остается весьма непредсказуемой. С ростом когнитивной нагрузки, создаваемой за счет сложного и меняющегося ландшафта лечения, инструменты оказания помощи, основанные на данных, становятся все более популярными. Подходы, основанные на модели, такие как цифровые близнецы (ДТ), позволяют имитировать возможные ответы на набор входных параметров, основанных на ретроспективных наблюдениях. В контексте поддержки принятия решений о лечени

Совпадение в полном тексте источника
… Referring to the first concept of the twin concept, introduced in the NASA Apollo program, replicas of the actual spacecraft were built to mirror its characteristics and functionalities and thus, enable simulation, training and scenario planning, i.e., in case of emergency ( 31 ). …

Preliminary Planning for Mars Sample Return (MSR) Curation Activities in a Sample Receiving Facility (SRF).

The Mars Sample Return Planning Group 2 (MSPG2) was tasked with identifying the steps that encompass all the curation activities that would … ets of samples would be used during the PE phase. FINDING C-2: Immediately after Earth landing, the spacecraft would be recovered and placed in a container designed to control and stabilize its physical conditions. The optimum temperature (Toptimum) of the sample tubes during transport to the Sample Receiving Facility (SRF) should be the same as the operatin …