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Showing 1 to 20 of 71 for “"Acf"”.
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Apobec-1 Complementation Factor (ACF) Binds and Regulates Multiple RNAs
… Proteins. Apobec-1 Complementation Factor: ACF) was originally identified as a co-factor in ApoB mRNA C to U editing, but has recently been implicated in regulation of mRNA stability as an ARE-Binding Protein. Here we have used tissue culture models with RNA turnover assays to show that the …
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A study on the fluid film of an atomization-based cutting fluid (ACF) spray system during titanium machining
… tool wear. The atomization–based cutting fluid (ACF) spray system has recently been demonstrated to improve tool life during titanium machining. The penetration into the tool–chip interface by means of the thin fluid film created by the ACF spray system appears to be the mechanism by which tool …
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The role of micropore size and chemical nature of the pore surface on the adsorption properties of activated carbon fibers
… series of progressively activated carbon fibers (ACF) with a range of surface areas from 760 $\rm m\sp2/g$ to 2420 $\rm m\sp2/g,$ prepared from phenolic precursors were examined with acetone, n-butane, benzene and nitrogen. The experimental results revealed a counter-intuitive relationship …
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Impact of Adiposity Status on the Association of Regular Statin Use and Increased Number of Aberrant Crypt Foci
… which was followed by chromoendoscopy for ACF detection. ACF number was categorized at low (RESULTS: Participants who reported regular use of statins had a higher mean ACF number than participants who reported taking (17.20 vs. 9.02, respectively, p=0.001). The mean age for the high ACF …
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Prediction of tool temperature during machining of Ti-6Al-4V alloy with atomization-based cutting fluid spray system
Atomization-based cutting fluid (ACF) spray system is being sought as an alternative to cooling processes currently used for machining difficult-to-cut materials such as Ti-6Al-4V alloy. The ACF spray system generates a stream of monodispersed droplets of cutting fluid which then gets mixed in a …
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Experimental and modelling studies of electronic packaging interconnections formed with lead-free materials
… solder alloys and anisotropic conductive films (ACFs). The wetting behaviours of new lead-free solders (i.e. Sn-2.8Ag-0.5Cu-1.0Bi and Sn-0.7Cu-0.3Ni) have been evaluated using the wetting balance test. This assessment ahs been performed for three soldering temperatures with three different types …
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Analysis of droplet behavior on a rotating surface in atomization-based cutting fluid systems for micro-machining
Atomization-based cutting fluid (ACF) systems have been recently found to be effective in providing both cooling and lubrication for micro-scale machining operations. The ACF systems are preferable over the conventional flood cooling methods as they effectively reduce the temperature at the …
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Fabrication and Evaluation of Specialty Nonwoven Materials
… cotton nonwoven. Activated carbon fiber (ACF) made from rayon fabrics showed slightly higher surface area than cotton ACF. The increase of carbonization and activation temperature leads to produce high adsorptive capacity and microporosity. Longer heating time also contributed to high …
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Evaluation of the atomization-based cutting fluid spray system in milling of titanium alloy
… shown that an atomization-based cutting fluid (ACF) spray system can effectively cool and lubricate the cutting zone during turning of Ti-6Al-4V, leading to significant improvement in machinability of titanium alloys. However, the efficacy of the ACF spray system is yet to be tested for other …
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Investigating the influence of film formation on the machining performance in an atomization-based cutting fluid spray system
… recently, the Atomization-based cutting fluid (ACF) delivery system to improve upon the cooling and lubrication provided by conventional flood cooling. In the ACF system, the impingement of atomized droplets of the cutting fluid on the tool surface results in the formation of a thin liquid film …
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Design of Advanced Fibrous Based Material Systems to Meet the Critical Challenges in Water Quality and Carbon Dioxide Mitigation
… polyacrylonitrile activated carbon fibers (N-ACF) coated on a non-woven fiberglass mat, displayed the ability to remove NOM more efficiently than granulated activated carbon or ion exchange beads at concentrations below 50 mg/L. Electrostatic attraction was found to be the dominant mechanism …
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Informal Learning Through Participation in Fransaskois Community-Based Governance
… in the Assemblée Communautaire Fransaskoise (ACF), a francophone community-based governance organization in Saskatchewan. In the ACF, community members are elected to serve as “deputies”, representatives who make decisions regarding initiatives and allocation of funds. Interviews with eight …
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The structure of testis angiotensin-converting enzyme (tACE-g13) in complex with the inhibitor RXPA380
… renin-angiotensin system (RAS) Primarily, ACF is a dipeptidl peptidase which cleaves angiotensin I to produce angiotensin II, a potent vasoconstrictor. By the same enzymatic mechanism, ACE also inactivates the vasodilator bradykinin. The main overall effect of these actions is an increase …
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Biodisponibilidade e fluxo do fósforo pela técnica de diluição isotópica e utilização de fontes de fósforo para suínos em crescimento e terminação
… (SS), rocha catalão (ROCHA) e ácido fosfórico (AcF) ] e ração controle sem o P suplementar (CONT) –, quatro repetições e um animal por gaiola de metabolismo. As fontes MBC e FBC apresentaram boa granulometria e, juntamente com AcF, baixo nível de contaminação por metais pesados. Os MBC, FBC, …
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Nanowires for 3d silicon interconnection – low temperature compliant nanowire-polymer film for z-axis interconnect
… interconnects. Anisotropic Conductive Film (ACF) technology is one of the low-temperature, fine-pitch interconnect method, which has been considered as a potential replacement for solder interconnects in line with continuous scaling of the interconnects in the IC industry. However, the …
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Experimental and modelling analysis on the performance of anisotropic conductive films as used in electronics packaging
… research is called Anisotropic Conductive Film (ACF). This is a promising interconnection material and has gained extensive interest in the electronics packaging industry. Both the experimental and finite element analysis (FEA) methods were used in order to investigate the behaviour of the ACF …
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Grape Seed Extract as an Adjunct for Modulating Colon Carcinogenesis
… lesions are termed aberrant crypt foci (ACF). Both ACF and ACF with multiplicity (ACF with four or more aberrant crypts within a focus) are putative pre-neoplastic lesions with the potential for development into colonic adenomas or carcinomas. Utilizing three dietary doses of GSE, low …
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Numerically optimized implementations, mitigation and simulations of polarisation mode dispersion in real-time transmission systems
… function (PDF) and the autocorrelation function (ACF) of the PMD phenomenon. Important optimisations are achieved, for each of the aforementioned implementations in the computational level. In addition the ACF of the coarse-step method is considered separately, based on the result which indicates …
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Video traffic modeling and delivery
… proposed to capture autocorrelation function (ACF) characteristics of MPEG video traffic. Furthermore, generalized Beta distribution is proposed to model the probability density functions (PDFs) of MPEG video traffic. It is observed that the ACF of MPEG video traffic fluctuates around three …
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Modeling and Simulation of Random Processes and Fields in Civil Engineering and Engineering Mechanics
… non-stationary Auto-Correlation Function (ACF). Previously, the existence of such an inversion was unknown, let alone possible to compute or estimate. The classic integral expression suggested by Priestley, providing the ACF from the ES, is not invertible in a unique way so that the ES …
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