نتایج جستجو برای: dma
تعداد نتایج: 2516 فیلتر نتایج به سال:
Inorganic arsenic is a known human carcinogen of the skin and respiratory tract. Epidemiologic evidence indicates that it is also carcinogenic to the urinary bladder and other internal organs. Lack of an animal model has limited progress on understanding the mechanism of arsenic carcinogenesis. It was recently reported that high doses of an organic arsenical, dimethylarsinic acid (DMA), increas...
Three different methyltransferases initiate methanogenesis from trimethylamine (TMA), dimethylamine (DMA) or monomethylamine (MMA) by methylating different cognate corrinoid proteins that are subsequently used to methylate coenzyme M (CoM). Here, genes encoding the DMA and TMA methyltransferases are characterized for the first time. A single copy of mttB, the TMA methyltransferase gene, was cot...
On the robustness of distributed EM based BSS in asynchronous distributed microphone array scenarios
Distributed microphone array (DMA) processing has recently started attracting a lot of attention as a promising alternative to conventional microphone arrays with co-located elements. To perform efficient blind source separation (BSS) in distributed manner, we have recently proposed a clustering based BSS approach that utilizes a distributed expectation-maximization algorithm. In this paper, we...
§ 1421.422 Inspections and reviews. The books, documents, papers, and records of the DMA and parent company shall be maintained for six years after the applicable crop year and shall be made available to CCC for inspection and examination at all reasonable times. At any time after an application is received, CCC shall have the right to examine all books, documents, papers, and determine whether...
We have built two tools for dynamically verifying MPI programs – one called ISP and the other called DMA. Both these tools are aimed at formally analyzing the executions of an MPI programs by running executions, analyzing the actual MPI operation dependencies that manifest, and rerunning executions to cover the dependency space. ISP implements an MPI-specific dynamic partial order reduction alg...
Direct Memory Access (DMA) is key to achieving high performance in system-level software for multicore processors such as the Cell Broadband Engine. Incorrectly orchestrated DMAs cause DMA races, leading to subtle bugs that are hard to reproduce and fix. In previous work, we have shown that kinduction yields an effective method for proving absence of a restricted class of DMA races. We extend t...
In this paper, we describe for the first time the transformation of normal rat cells by DMA equivalent to adenovirus type 12 Early Region 1 (E1A). This DMA was 30-fold less efficient at transfor mation than DMA encoding the entire E1 region. Those estab lished lines expressing a full complement of adenovirus type 12 E1 proteins were phenotypically indistinguishable from adenovi rus type 12 viru...
A polyelectrolyte nanoparticle composed of PEG-PLL(-g-Ce6, DMA)-PLA was developed for nanomedicinal application in photodynamic therapy. These nanoparticles formed stable aggregates through the hydrophobic interaction of poly(lactic acid) and demonstrated pH-dependent behaviors such as surface charge conversion and enhanced cellular uptake at acidic pH, resulting in improved phototoxicity. In v...
This paper investigates the usefulness of switching Gaussian state space models as a tool for implementing dynamic model selecting (DMS) or averaging (DMA) in time-varying parameter regression models. DMS methods allow for model switching, where a different model can be chosen at each point in time. Thus, they allow for the explanatory variables in the time-varying parameter regression model to...
This paper is concerned about using Direct Memory Access (DMA) transfer for real-time data acquisitions from a plug-in data acquisition board Aquarius DSP-1. Since the conversion speed of the modern Analog to Digital Converters is increase-vealy, the using of the interrupts for reading of the conversion results becomes impossible. For the data acquisition system, presented in this paper, this s...
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