نتایج جستجو برای: short time preservation
تعداد نتایج: 2274075 فیلتر نتایج به سال:
BACKGROUND No optimal methods for short-term hepatocyte preservation have been established. We have recently developed a prominent oxygen-permeable bag (Tohoku Device [TD]) for pancreatic islet culture and transplantation. In this study, we investigated whether TD is also effective for hepatocyte preservation and tried to optimize other conditions. METHODS Hepatocytes were preserved in the fo...
A key step in concurrent real-time system development is to build a model from which the implementation is synthesized. It is thus important to understand the relation between the properties of a model and its corresponding implementation. In this paper, we first build two relations: 1) 2-weakening relations on MITLR formulas, which are used to express real-time properties of the system, and 2)...
The effect of different levels of osmolality and pH of lactose extender on the viability of Bactrian camelspermatozoa was investigated. Semen was collected from 10 Bactrian camel bulls using modified bovineartificial vagina. In experiment I, the extenders consisted of 9, 10, 11, 12 and 13% lactose with respectiveosmolalities of 290, 333, 350, 376 and 419 mOsm/kg and the pH of 6.9. In experiment...
In the past decades, many formal frameworks (e.g. timed automata and temporal logics) and techniques (e.g. model checking and theorem proving) have been proposed to model a real-time system and to analyze real-time properties of the model. However, due to the existence of ineliminable timing differences between the model and its realization, real-time properties verified in the model often cann...
Abstract All the cards seem to be stacked against belief in immortality. Nonetheless, resources of particular religious traditions may avail where generic philosophical solutions fall short. With attention boredom and narcissism critiques, intimations deathlessness Śāntideva's radical altruism, recent Christian debates on soul intermediate state, I propose two criteria for a coherent religion-s...
background: recent advances in cancer treatment have resulted in an increased number of cancer survivors. fertility might be impaired by cancer itself or through gonadal damage as a consequence of radio-chemotherapy. damages to reproductive organs are seen in minimally upto 30% of cancer patients. the aim of the present study was evaluate the attitude of iranian oncologists toward fertility pre...
BACKGROUND Scientific research in the 21st century is more data intensive and collaborative than in the past. It is important to study the data practices of researchers--data accessibility, discovery, re-use, preservation and, particularly, data sharing. Data sharing is a valuable part of the scientific method allowing for verification of results and extending research from prior results. MET...
Due to rapid changes in information technology, digital data, documents, and records are doomed to become uninterpretable bit-streams within short time periods. Digital Preservation deals with the longterm storage, access, and maintenance of digital data objects. In order to prevent a loss of information, digital libraries and archives are increasingly faced with the need to electronically pres...
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