نتایج جستجو برای: preservation method

تعداد نتایج: 1693585  

Journal: :The European respiratory journal 2003
M M Kelly F E Hargreave G Cox

Examination of sputum cell counts is limited by the need to process samples within hours of expectoration. The validity and repeatability of a method to preserve sputum for delayed processing and examination were investigated in this study. Portions of selected sputum from 39 subjects were dispersed with dithiothreitol (routine method), or were fixed in a dithiothreitol-formaldehyde mixture for...

2017
Melanie A. Murphy Lisette P. Waits Katherine C. Kendall Samuel K. Wasser Jerry A. Higbee Robert Bogden

Relatively few large-scale faecal DNA studies have been initiated due to difficulties in amplifying low quality and quantity DNA template. To improve brown bear faecal DNA PCR amplification success rates and to determine post collection sample longevity, five preservation methods were evaluated: 90% ethanol, DETs buffer, silica-dried, oven-dried stored at room temperature, and oven-dried stored...

2011
Or Biran Samuel Brody Noémie Elhadad

We present a method for lexical simplification. Simplification rules are learned from a comparable corpus, and the rules are applied in a context-aware fashion to input sentences. Our method is unsupervised. Furthermore, it does not require any alignment or correspondence among the complex and simple corpora. We evaluate the simplification according to three criteria: preservation of grammatica...

2008
Ming Hua Jian Pei

As a serious concern in data publishing and analysis, privacy preserving data processing has received a lot of attention. Privacy preservation often leads to information loss. Consequently, we want to minimize utility loss as long as the privacy is preserved. In this chapter, we survey the utility-based privacy preservation methods systematically. We first briefly discuss the privacy models and...

2017

Introduction Causes of impaired female reproductive function Environmental Endocrine Disrupters and Ovarian Function Indications of reproductive function preservation Choice of the method for ovarian function preservation Cryopreservation of Oocytes Introduction The need for oocyte cryopreservation Cryobiological factors influencing cryoefficiency Oocyte structures affected by cryopreservation ...

2015
Kresimir Duretec Artur Kulmukhametov Andreas Rauber Christoph Becker

Creation and improvement of tools for digital preservation is a difficult task without an established way to assess any progress in their quality. This happens due to low presence of solid evidence and a lack of accessible approaches to create such evidence. Software benchmarking, as an empirical method, is used in various fields to provide objective evidence about the quality of software tools...

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