نتایج جستجو برای: CNG

تعداد نتایج: 1035  

2017
Xuechao Liu Shangxiang Chen Jianjun Liu Dazhi Xu Wei Li Youqing Zhan Yuanfang Li Yingbo Chen Zhiwei Zhou Xiaowei Sun

BACKGROUND The prognostic value of neutrophil-lymphocyte ratio (NLR) and Glasgow Prognostic Score (GPS) has been extensively validated in various cancers. We aimed to examine the usefulness of a combination of NLR and GPS (named CNG) for predicting survival outcomes in patients after curative resection for gastric cancer (GC). METHODS We retrospectively analyzed the records of 1056 patients w...

2009
M. A. Kalam H. H. Masjuki

This paper presents experimental test results of a new compressed natural gas direct injection (CNG-DI) engine that has been developed from modification of a multi cylinder gasoline port injection (PI) engine. The major modifications done are (1) the injection system has been modified to gas direct injection using new high pressure gas injectors, (2) compression ratio has been changed from 10 t...

2007
S. Zhang A. Sobiesiak

Availability changes with crank angle at the optimum engine operating point of 4000 rpm and WOT for CNG fuelling, CNG and gasoline engine operations at optimal engine conditions with the equivalence ratio Φ = 1.1, distribution of fuel availability of CNG and gasoline fuelled engine at equivalence ratio of Φ = 1.1, entropytemperature diagram for the engine optimal operating point and CNG fuellin...

2014
Fearghal Ryan Brian Caulfield

Public service fleets offer an attractive option for introducing new renewable fuels on a large scale, which allow for the reduction of both greenhouse gas emissions and exhaust air pollutants. This study examines the use of biomethane (bio-CNG) and compressed natural gas (CNG) for part of the bus fleet in Dublin, Ireland. The emissions produced from the 2008 fleet based at one of the city’s se...

2015
Yee Ling Lam Weizhong Zeng Mehabaw Getahun Derebe Youxing Jiang

Calcium permeability and the concomitant calcium block of monovalent ion current ("Ca(2+) block") are properties of cyclic nucleotide-gated (CNG) channel fundamental to visual and olfactory signal transduction. Although most CNG channels bear a conserved glutamate residue crucial for Ca(2+) block, the degree of block displayed by different CNG channels varies greatly. For instance, the Drosophi...

Journal: :Neuron 1995
Stephan Frings Reinhard Seifert Matthias Godde U.Benjamin Kaupp

Sensory transduction in vertebrate photoreceptors and olfactory sensory neurons is mediated by cyclic nucleotide-gated (CNG) channels that conduct mono- and divalent cations. Ca2+ entering the cell through CNG channels intimately controls signaling pathways by regulating several key enzymes. Cloned CNG channels from photoreceptors and olfactory sensory neurons profoundly differ in their relativ...

Journal: :The Journal of antibiotics 1993
M Kawatsu T Yamashita M Osono T Masuda M Ishizuka T Takeuchi

Antitumor effects and function of T cells in tumor bearing mice given conagenin (CNG), a low molecular immunomodulator, were investigated. The administration of CNG, once a week for 4 weeks, was the most effective schedule in inhibiting growth of IMC carcinoma, a syngeneic tumor. In this regimen, cytotoxic T lymphocytes and natural killer activities in spleens of CNG treated mice were maintaine...

Journal: :Physiological reviews 2002
U Benjamin Kaupp Reinhard Seifert

Cyclic nucleotide-gated (CNG) channels are nonselective cation channels first identified in retinal photoreceptors and olfactory sensory neurons (OSNs). They are opened by the direct binding of cyclic nucleotides, cAMP and cGMP. Although their activity shows very little voltage dependence, CNG channels belong to the superfamily of voltage-gated ion channels. Like their cousins the voltage-gated...

2014
Zia Wadud

Motor vehicles are one of the major sources of air pollution in Dhaka, the capital of Bangladesh. The government took various policies to convert the petroleum vehicles on road to run on compressed natural gas (CNG), which allows both air quality improvements and energy security benefits. One of the market friendly policies to encourage the fuel switch was to increase the price differential bet...

2015
Min Hwan Kim Soohyeon Lee Ja Seung Koo Kyung Hae Jung In Hae Park Joon Jeong Seung Il Kim Seho Park Hyung Seok Park Byeong-Woo Park Joo-Hang Kim Joohyuk Sohn

BACKGROUND Inflammatory breast cancer (IBC) is the most aggressive form of breast cancer, and its molecular pathogenesis still remains to be elucidated. This study aimed to evaluate the prevalence and implication of anaplastic lymphoma kinase (ALK) copy number change in IBC patients. METHODS We retrospectively collected formalin-fixed, paraffin-embedded tumor tissues and medical records of IB...

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