Results 11 to 20 of about 1,817,208 (305)

Mirror formation control in the vicinity of an asteroid [PDF]

open access: yes, 2008
Two strategies are presented for the positioning and control of a spacecraft formation designed to focus sunlight onto a point on the surface of asteroid, thereby sublimating the material and ejecting debris creating thrust.
Battin R. H.   +11 more
core   +2 more sources

Safety and efficacy of stereotactic body radiation therapy in the treatment of pulmonary metastases from high grade sarcoma. [PDF]

open access: yes, 2013
Introduction. Patients with high-grade sarcoma (HGS) frequently develop metastatic disease thus limiting their long-term survival. Lung metastases (LM) have historically been treated with surgical resection (metastasectomy).
Agazaryan, Nzhde   +9 more
core   +2 more sources

Effectiveness of personal dose monitoring intercomparison results in a laboratory in Shanghai

open access: yes环境与职业医学, 2023
BackgroundIndividual monitoring of occupational external exposure is an essential part of the occupational health management of radiation workers, and is an important basis for the evaluation of individual absorbed dose and the diagnosis of occupational ...
Hong XIAO   +9 more
doaj   +1 more source

Long-term variation of 90Sr and 137Cs in environmental and food samples around Qinshan nuclear power plant, China

open access: yesScientific Reports, 2021
Environmental radioactivity monitoring in the surroundings of nuclear facilities is important to provide baseline data for effective detection in case of any radioactive release in the region.
Yiyao Cao   +11 more
doaj   +1 more source

Radiation-Pressure-Mediated Control of an Optomechanical Cavity [PDF]

open access: yes, 2017
We describe and demonstrate a method to control a detuned movable-mirror Fabry-Perot cavity using radiation pressure in the presence of a strong optical spring.
Aggarwal, Nancy   +10 more
core   +3 more sources

Characteristics of pneumoconiosis in Zhejiang Province, China from 2006 to 2020: a descriptive study

open access: yesBMC Public Health, 2023
Background Pneumoconiosis is the most prevalent occupational disease and displays different patterns in each province of China. Clarifying specific incidence patterns and temporal trends in Zhejiang Province can help provide valuable information on the ...
Fang Wei   +7 more
doaj   +1 more source

Characteristics and risk assessment of occupational exposure to ultrafine particles generated from cooking in the Chinese restaurant

open access: yesScientific Reports, 2021
Ultrafine particles have been increasingly linked to adverse health effects in restaurant workers. This study aimed to clarify the exposure characteristics and risks of ultrafine particles during the cooking process, and to provide a reasonable standard ...
Xiangjing Gao   +6 more
doaj   +1 more source

Radiation Control in Public Health [PDF]

open access: yesPublic Health Reports (1896-1970), 1961
Public health programs in the field of radiation control in the United States are reviewed. Environmental exposure hazards, biological effects of radiation, standard perndssible limits of radiation exposure, and training programs in radiation protection are discussed. (C.H.)
openaire   +2 more sources

Radiation-hygienic passportization and USIDC-information basis for management decision making for radiation safety of the population of the Russian Federation Report 2: Characteristics of the sources and exposure doses of the population of the RF

open access: yesРадиационная гигиена, 2017
This article presents a description of the sources of ionizing radiation and annual doses to the population as a whole for the Russian Federation and separately for the subjects, as well as for the most exposed population groups.
G. G. Onishchenko   +5 more
doaj   +1 more source

State Planning for Radiation Control [PDF]

open access: yesPublic Health Reports (1896-1970), 1964
DUBLIC HEALTH agencies have the clear responsibility of balancing the hazards of radiation against the physiological and social values of its use. Historically, major public health programs were developed after it had been amply demonstrated that a health problem involving substantial mortality and morbidity existed.
openaire   +2 more sources

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