نتایج جستجو برای: californium

تعداد نتایج: 143  

2016
Richard Vondrasek A. Barcikowski C. A. Dickerson P. N. Ostroumov R. Pardo A. Perry G. Savard R. Scott S. I. Sharamentov

The efficient and rapid production of a high-quality, pure beam of highly charged ions is at the heart of any radioactive ion beam facility. An ECR charge breeder, as part of the Californium Rare Ion Breeder Upgrade (CARIBU) program at Argonne National Laboratory, was developed to fulfil this role. The charge breeding efficiency and high charge state production of the source are at the forefron...

2012
Jerzy Tys Stefania Jezierska-Tys Magdalena Frąc

The microorganisms are in the different of habitants, they are also on the surface of seeds of cultivated plants. Quantitive and generic composition of saprophagan air-plant microflora is very diversified and still it is not well known. Microbial populations of seeds depend on numerous factors. Chemical constitution of seeds and different abiotic environment factors have the significant influen...

2017
Soobin Jeon Inbum Jung

This paper proposes an Internet of Things (IoT) middleware called Middleware for Cooperative Interaction of Things (MinT). MinT supports a fully distributed IoT environment in which IoT devices directly connect to peripheral devices easily construct a local or global network, and share their data in an energy efficient manner. MinT provides a sensor abstract layer, a system layer and an interac...

2016
A. Maity T. C. Doan J. Li J. Y. Lin H. X. Jiang

We report the achievement of highly efficient B enriched hexagonal boron nitride (h-BN) direct conversion neutron detectors. These detectors were realized from freestanding 4-in. diameter h-BN wafers 43 lm in thickness obtained from epitaxy growth and subsequent mechanical separation from sapphire substrates. Both sides of the film were subjected to ohmic contact deposition to form a simple ver...

2014
Kuan-Chih Huang Rajendra Dahal James J.-Q. Lu Adam Weltz Yaron Danon Ishwara B. Bhat

We report on the fabrication and characterization of solid-state thermal neutron detectors with detection areas up to 16 cm that require only a single preamplifier for data acquisition. These detectors consist of a honeycomb-like micro-structured Si diode with boron-10 filled deep holes. A continuous p–n junction formed over the entire surface of the microstructure helps to achieve a low leakag...

Journal: :The Biological bulletin 2000
T C Lajeunesse R K Trench

We have analyzed the genetic profiles of dinoflagellate populations obtained from the Pacific coast sea anemone Anthopleura elegantissima (Brandt) at collection sites from Washington to California. Genetic differences within the symbiont populations of California anemones have been uncovered by restriction length polymorphism (RFLP) analysis of the small subunit (SSU) and large subunit (LSU) ri...

Journal: :Environmental Health Perspectives 1985
J J Solomon A Segal

Reaction of the rodent carcinogen acrylonitrile (AN) at pH 7.0 for 10 and/or 40 days with 2'-deoxyadenosine (dAdo), 2'-deoxycytidine (dCyd), 2'-deoxyguanosine (dGuo), 2'-deoxyinosine (dIno), and thymidine (dThd) resulted in the formation of cyanoethyl and carboxyethyl adducts. The adducts isolated were 1-(2-carboxyethyl)-dAdo (1-CE-dAdo), N6-CE-dAdo, 3-CE-dCyd, 7-(2-cyanoethyl)-Gua (7-CNE-Gua),...

Journal: :The Journal of biological chemistry 1986
R J Linhardt K G Rice Z M Merchant Y S Kim D L Lohse

A hexasaccharide representing a major sequence in porcine mucosal heparin has been enzymatically prepared from heparin. Its structure was determined by an integrated approach using chemical, enzymatic, and spectroscopic methods. Two-dimensional 1H homonuclear COSY, C-H correlation NMR, and selective irradiation were used to assign many of the NMR resonances. In addition, new techniques includin...

2015
Richard Vondrasek

The efficient and rapid production of a high-quality, pure beam of highly charged ions is at the heart of any radioactive ion beam facility. Whether an electron cyclotron resonance (ECR) ion source or an electron beam ion source (EBIS) is used to produce these highly charged ions, their operating characteristics will set the boundaries on the range of experiments which can be performed. In addi...

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