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cascade impactor

Laser ablation ICP-MS of size-segregated atmospheric particles collected with a MOUDI cascade impactor: a proof of concept

Laser ablation ICP-MS of size-segregated atmospheric particles collected with a MOUDI cascade impactor: a proof of concept

... and laser instabilities have been reported. Hsieh et al. (2011) optimized the LA-ICP-MS parameters suitable for analysis of nanometer- and submicrometer-sized airborne particulate matter sampled by an electrical ...

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Characterisation of an amorphous dry powder aerosol system

Characterisation of an amorphous dry powder aerosol system

... The Andersen cascade impactor gives the most comprehensive size distribution data of the three methods. The multistage liquid impinger (MSLI - 4 stage) gives a cruder estimate of aerodynamic parameters from ...

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LASER PARTICULATE COUNTER CALIBRATION TO A MICRO-ORIFICE UNIFORM-DEPOSIT IMPACTOR

LASER PARTICULATE COUNTER CALIBRATION TO A MICRO-ORIFICE UNIFORM-DEPOSIT IMPACTOR

... Uniform-Deposit Impactor (MOUDI) simultaneously to collect calibration ...a cascade impactor, was used to further validate the LPC and MOUDI ...

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Preliminary Assessment: Identification of Chinese Drywall and  Exposure to Particulate Matter and Metals during Cutting and Installation of Drywall

Preliminary Assessment: Identification of Chinese Drywall and Exposure to Particulate Matter and Metals during Cutting and Installation of Drywall

... eight-stage cascade impactor (Figure 5) has a high sample ...and cascade through the succeeding orifice stages with successively higher orifice velocities from Stage 0 to Stage ...the impactor ...

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Assessment of fine particle fraction of inhaler drug using cascade  anderson impactor and hplc

Assessment of fine particle fraction of inhaler drug using cascade anderson impactor and hplc

... products. The aim of this study is to develop the successful method for estimation of triple combination metered dose inhaler Formoterol, Tiotropium and Ciclesonide by HPLC as well as analyze the deposition of the fine ...

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Determination of Particle Size Distribution of Particulate Matter Emitted from a Layer Operation in Southeast U.S.

Determination of Particle Size Distribution of Particulate Matter Emitted from a Layer Operation in Southeast U.S.

... generation impactor and Graseby-Anderson (1985) developed a more complex impactor, the Anderson Mark II, which has more collection ...of cascade impactor analysis include: a) this technique is ...

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DSP BASED CASCADE SPEED CONTROL OF DC MOTOR USING DUAL CONVERTER

DSP BASED CASCADE SPEED CONTROL OF DC MOTOR USING DUAL CONVERTER

... three-level cascade structure for robust velocity-tracking control of electrical motor drive is ...a cascade control structure, adaption of controller of different motors can be easily accomplished and the ...

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Handling missing weak classifiers in boosted cascade: application to multiview and occluded face detection

Handling missing weak classifiers in boosted cascade: application to multiview and occluded face detection

... This section presents the problem of missing weak classi- fiers in a boosted cascade, and solutions to this problem are then detailed. To explain our motivation, suppose we want to detect a face occluded by a ...

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RevistaSL6 pdf

RevistaSL6 pdf

... serialnumber varchar, brand_id integer NOT NULL references Brandsid On Delete Cascade On Update Cascade, operatingsystem_id integer NOT NULL references OperatingSystemsid On Delete Casca[r] ...

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Cascade Algorithm Revisited

Cascade Algorithm Revisited

... We revisit the cascade algorithm for the all pairs shortest path (APSP) problem. The operation on the distace data is limited to the triple oper- ation of min{a, b + c}. The best known complexity on this model is ...

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Prediction of barely visible impact damage in composite panels subjected to blunt nose impact

Prediction of barely visible impact damage in composite panels subjected to blunt nose impact

... The BVID of fibre reinforced laminated composite panels for various static load- deflection models were simulated with emphases on flat nose impactor. The damaged areas are based on the stress distribution around ...

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Effect Of Different Impactor Nose On Laminated Composite Structure Under Quasi Static Loading

Effect Of Different Impactor Nose On Laminated Composite Structure Under Quasi Static Loading

... of impactor nose can causes the highest global deformation of the target plate, therefore the shape of impactor nose which has the lowest effective on penetration should be ...an impactor nose on ...

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Performance of an Axial Cascade

Performance of an Axial Cascade

... A cascade is a row of geometrically similar blades ar- ranged at equal distance from each other and aligned to the flow at the same ...The cascade is used to divert a flow stream with a minimal ...a ...

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A comparative analysis of several material models in LS-DYNA at high velocity impact

A comparative analysis of several material models in LS-DYNA at high velocity impact

... were set according to the experimental data [2]. In the initial data, the diameter of the spherical projectile is 10 mm. The obstacle is a massive cube, the dimension of which exceed the dimensions of the impactor ...

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A Simple Approximate Method for Predicting Impact Force History and Application to Pyroshock Simulation

A Simple Approximate Method for Predicting Impact Force History and Application to Pyroshock Simulation

... As pyrotechnic devices is costly and hazardous, a mechanical pyroshock simulation device that can simulate pyroshock is used. The mechanical shock simulator consists of an impactor and a resonant structure. ...

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Cascade Sensitivity Measures

Cascade Sensitivity Measures

... termed cascade sensitivity, defined as a derivative of a risk measure applied on the output, in the direction of an input ...the cascade sensitivity measure to capture both the direct impact of the stressed ...

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Development of a Dropped Weight Impact Testing Machine

Development of a Dropped Weight Impact Testing Machine

... From the design principle and requirements, the dropped weight impact testing machine was designed. Based on the design objectives and following [12, 13], several designs were considered and the best solution according ...

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The Study of End Losses in a Three Dimensional Rectilinear Low Speed Axial Flow Compressor Cascade

The Study of End Losses in a Three Dimensional Rectilinear Low Speed Axial Flow Compressor Cascade

... It is observed from the Table 5 that the loss coefficient is high at hub and casing due to the end-wall boundary layers. It is seen that the localized loss coefficients for all types of application of roughness are also ...

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A Hierarchical Cascade of Second Messengers Regulates Pseudomonas aeruginosa Surface Behaviors

A Hierarchical Cascade of Second Messengers Regulates Pseudomonas aeruginosa Surface Behaviors

... In a broader context, we believe we are now at the beginning stage of answering the question of how cells sense a surface. Here, we propose that P. aeruginosa utilizes a stepwise regulatory circuit to detect and respond ...

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The influence of impactor size cut off shift caused by hygroscopic growth on particulate matter loading and composition measurements

The influence of impactor size cut off shift caused by hygroscopic growth on particulate matter loading and composition measurements

... The influence of impactor size cut-off shift caused by hygroscopic growth on particulate matter loading and composition measurements.. Lina Wang2,5, Gerald Spindler2, Hartmut Herrmann2, [r] ...

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