نتایج جستجو برای: 5230 μmcm2

تعداد نتایج: 140  

2013
Claus Vielhauer Jana Dittmann Stefan Katzenbeisser

This chapter introduces the main security requirements for the biometric processing pipeline and summarizes general design principles and approaches. General IT security principles are reflected and selected paradigms such as template protection by biometric hashing, fuzzy commitment schemes, and fuzzy extractors are reviewed. Further, we discuss the design principles of biometric matching algo...

2005
F. F. BUSTA JOHN ORDAL

BiUSTA, F. F. (U.niversity of Illinois, UTrbana), AND Z. -JOHN ORDAL. Lack of influence of suspending media on heat activation of Bacillus subtilis spores and absence of deactivation. Appl. Microbiol. 12: 111-114. 1964.-Bacillus subtilis strain 5230 endosl)ores suslended in a variety of suspending media at a concentration of ca. 108 per ml were heated at 95 and 75 C. The effect of the heating a...

1999
William F. Schillinger R. James Cook Robert I. Papendick

for increasing cropping intensity, improving soil quality, and controlling erosion in the conventional fallow areas For most of a century, the wide spread practice of growing only (Papendick, 1998). However, research with spring crops, one crop every other year in a tillage-based wheat (Triticum aestivum L.)–fallow rotation has degraded soils and contributed to environmenand in particular with ...

2008
Benjamin I. P. Rubinstein Blaine Nelson Ling Huang Anthony D. Joseph Shing-hon Lau Nina Taft J. Doug Tygar

Whenever machine learning is applied to security problems, it is important to measure vulnerabilities to adversaries who poison the training data. We demonstrate the impact of variance injection schemes on PCA-based network-wide volume anomaly detectors, when a single compromised PoP injects chaff into the network. These schemes can increase the chance of evading detection by sixfold, for DoS a...

2003
A. Zanini C. Ongaro E. Durisi L. Visca S. DeAgostini F. Fasolo M. Pelliccioni O. Saavedra

The intensity and composition of cosmic radiation at atmosphere altitudes up to 30 km o.s.l. are modulated by solar activity and strongly depend on geophysical characteristics and atmosphere parameters. An accurate evaluation of secondary neutron energy spectra may constitute a valuable contribution to a better knowledge of the primary cosmic ray intensity. Moreover, because of neutron high Rel...

1997
Kevin T. Larkin Karen Horney

___________ _ Interpersonal orientations of thoracic surgeons, operating room nurses, and perfusionists were assessed and found to differ substantially. It is proposed that these differences may contribute to increased stress-related symptoms within as well as outside of the operating room. Recent surveys ··3 have reported increased prevalance for stress-related symptoms such as alcohol abuse, ...

1999
Artur Plonowski Andrew V. Schally Attila Nagy Baodong Sun Karoly Szepeshazi

We evaluated whether AN-238, the cytotoxic analogue of somatostatin (SST) consisting of the radical 2-pyrrolinodoxorubicin (AN-201) linked covalently to the SST octapeptide carrier RC-121 (D-Phe-Cys-Tyr-D-TrpLys-Val-Cys-Thr-NH2), could be used for targeting human primary and metastatic prostate carcinomas that express SST receptors (SSTRs). The antitumor activity and toxicity of AN-238 and its ...

2017
Søren F Schmidt Mette Jørgensen Yun Chen Ronni Nielsen Albin Sandelin Susanne Mandrup

Background: The transcription factors peroxisome proliferator activated receptor g (PPARg) and CCAAT/enhancer binding protein a (C/EBPa) are key transcriptional regulators of adipocyte differentiation and function. We and others have previously shown that binding sites of these two transcription factors show a high degree of overlap and are associated with the majority of genes upregulated duri...

2017

Pharmacology has focussed on the effects of compounds on tissues and organs with a view to promoting the well-being of a patient. This has been a special case of ‘reality’. With the dual realisation that these compounds can also have effects on microorganisms living in and on the patient and that these microorganisms play a vital role in maintaining the health of the patient it is essential tha...

2012
Hannah K. Murnen Alexei R. Khokhlov Pavel G. Khalatur Rachel A. Segalman Ronald N. Zuckermann

Understanding the driving forces for the collapse of a polymer chain from a random coil to a globule would be invaluable in enabling scientists to predict the folding of polypeptide sequences into defined tertiary structures. The HP model considers hydrophobic collapse to be the major driving force for protein folding. However, due to the inherent presence of chirality and hydrogen bonding in p...

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