نتایج جستجو برای: volatile materials

تعداد نتایج: 473168  

Journal: :I. J. Circuit Theory and Applications 2004
Nicholas P. Carter Steve Ferrera

Magnetoelectronic devices, which combine ferromagnetic materials with conventional silicon structures, o er the potential to add non-volatile storage to electronic systems, eliminating their vulnerability to data loss due to power supply interruptions. We present a set of circuits, based on the Hybrid Hall E ect device, that combine logic with non-volatile storage. These circuits can be con gur...

2014
Diego Turrini Vladimir Svetsov

The asteroid (4) Vesta, parent body of the Howardite-Eucrite-Diogenite meteorites, is one of the first bodies that formed, mostly from volatile-depleted material, in the Solar System. The Dawn mission recently provided evidence that hydrated material was delivered to Vesta, possibly in a continuous way, over the last 4 Ga, while the study of the eucritic meteorites revealed a few samples that c...

2002
Sarah M. Milkovich James W. Head Stephen Pratt

[1] Mars Orbiter Laser Altimeter (MOLA) topographic data support the presence of an extensive Hesperian-aged volatile-rich south polar deposit, the Dorsa Argentea Formation (DAF) and related deposits, underlying the present Amazonian-aged cap. The eastern margin of these deposits displays further evidence for meltback, ponding, and drainage of the volatile-rich deposit. Channels leading from th...

2012
A Ghannadi MR Bagherinejad D Abedi M Jalali B Absalan N Sadeghi

BACKGROUND AND OBJECTIVES Essential oils are volatile compounds that have been used since Middle Ages as antimicrobial, anti-inflammatory, sedative, local anesthetic and food flavoring agents. In the current study, essential oils of Pelargonium graveolens L'Her and Vitex agnus-castus L. were analyzed for their antibacterial activities. MATERIALS AND METHODS The chemical compositions of essent...

Journal: :Analytical and bioanalytical chemistry 2010
Hanh Lai Alfred Leung Matthew Magee José R Almirall

This study demonstrates the use of solid-phase microextraction (SPME) to extract and pre-concentrate volatile signatures from static air above plastic explosive samples followed by detection using ion mobility spectrometry (IMS) optimized to detect the volatile, non-energetic components rather than the energetic materials. Currently, sample collection for detection by commercial IMS analyzers i...

2016
Raoul Strackx Frank Piessens

Protected-module architectures such as Intel SGX provide strong isolation guarantees to sensitive parts of applications while the system is up and running. Unfortunately systems in practice crash, go down for reboots or lose power at unexpected moments in time. To deal with such events, additional security measures need to be taken to guarantee that stateful modules will either recover their st...

2017
Myoung Hwa Kim Dong Wook Kim Joo Heung Kim Ki Young Lee Seho Park Young Chul Yoo

Background Although previous studies have suggested that propofol inhibits cancer recurrence and metastasis, the association between anesthetic agents and the recurrence of breast cancer has not been clearly investigated. We compared total intravenous anesthesia and balanced anesthesia with volatile agents to investigate the differences in their effects on recurrence-free survival and overall s...

2017
Tooran Khazraie Yiqian Zhang Dmitry Tarasov Weijue Gao Jacquelyn Price Nikolai DeMartini Leena Hupa Pedram Fatehi

BACKGROUND Hot water hydrolysis process is commercially applied for treating wood chips prior to pulping or wood pellet production, while it produces hydrolysis liquor as a by-product. Since the hydrolysis liquor is dilute, the production of value-added materials from it would be challenging. RESULTS In this study, acidification was proposed as a viable method to extract (1) furfural and acet...

2003
R. Levi-Minzi R. Riffaldi G. Vanni

In a laboratory experiment, wheat straw (WS), pig slurry (PS) and a mixture of the two materials (WSPS) were added to soil at the rate of 2% on a dry soil basis. Samples of the soil alone and with the amendments were collected at various intervals of time during a one year period and analysed for: pH, electrical conductivity (EC.), NO 3, HPO42-, phenolic compounds and volatile acids. A germinat...

2018
Meixia Luo Hujie Luo Pingjun Hu Yiting Yang Bo Wu Guodong Zheng

To discriminate the feasible differences and find potential similarities and relationships of Citri Reticulatae Pericarpium (CRP), this work was accomplished by a comprehensive and reliable method using gas chromatography-mass spectrometer (GC-MS) to analyze the volatile oils and high-performance liquid chromatography (HPLC) simultaneously to determine the contents of five bioactive flavonoids,...

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