نتایج جستجو برای: on boosters separation
تعداد نتایج: 8464911 فیلتر نتایج به سال:
A numerical dynamic-aerodynamic interface for simulating the separation dynamics of constrained strap-on boosters jettisoned in the atmosphere is presented. A 6-DOF multi body dynamic solver ،using Constraint Force Equation Methodology is coupled with a numerical time dependent Euler flow solver. An automatic dynamic mesh updating procedure is employed using smoothing and l...
asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...
asymmetric membranes are widely used in many industrial membrane separation processes. the major advantage of membrane filtration over the conventional process is its ability to remove a wider spectrum of particles without using any chemicals. hollow fiber configuration offer many advantages over flat-sheet or tubular membranes. the spinning process of hollow fiber may look simple, yet it is te...
Belt-positioning booster seats are recommended for children who use vehicle seat belts as primary restraints but who are too small to obtain good belt fit. Previous research has shown that belt-positioning boosters reduce injury risk, but the belt fit produced by the wide range of boosters in the US market has not previously been assessed. The present study describes the development of a method...
To win the attention of the audience, presidential candidates rely on their own rhetorical methods. Hedges and boosters as metadiscourse markers have been the focus of many studies as the communicative strategies enabling speakers to soften the force of utterances or moderate their assertive force. TV news was used as the corpus of this study, whereas most of the previous studies have focused o...
This paper describes a new methodology for protocol design, using incremental construction of the protocol from elements called “protocol boosters” on an as-needed basis. Protocol boosters allow: (1) dynamic protocol customization to heterogeneous environments, and (2) rapid protocol evolution. Unlike alternative adaptation approaches, such as link layer, conversion, and termination protocols, ...
Expressing doubt and certainty in academic writings requires a cautious use of hedges and boosters. Despite their importance in academic writing, little is known about how they are used in monolingual and bilingual male and female EFL learners’ academic writings. To shed some lights on the issue, the present study investigated the use of hedges and boosters in research articles written by monol...
Protocol Boosters" are modules inserted into Protocol graphs. They allow the protocol's behavior to adapt to its environment. Boosters can mask undesirable properties of links or subnets in an internetwork. The method permits use of proprietary protocols and supports end-to-end optimizations. We have implemented Protocol Boosters support in the FreeBSD version of UNIX for Intel architecture mac...
The expression of doubt and certainty is crucial in academic writing where the authors have to distinguish opinion from fact and evaluate their assertions in acceptable and persuasive ways. Hedges and boosters are two strategies used for this purpose. Despite their importance in academic writing, we know little about how they are used in different disciplines and genres and how foreign language...
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