نتایج جستجو برای: acoustic agglomeration
تعداد نتایج: 92004 فیلتر نتایج به سال:
Present review on the topic explores the different techniques of spherical agglomeration employed in pharmaceutical sciences and their potential applications in developing new particulate systems of drug. Spherical agglomeration is a particle engineering technique which transforms the fine crystals into spherical particles in a single step. These techniques applied in development of new systems...
For the droplets with different size distribution, reasonably selecting frequency and period of acoustic waves are great significance to agglomeration. To investigate critical responses microdroplets under action low-frequency waves, laboratory experiments numerical simulations interference were conducted, statistical test theoretical analysis carried out. A total 1,680 sets performed, from whi...
Purpose: This study determined total surface energy distributions using an Inverse Gas Chromatography (IGC) to understand the de-agglomeration of fine lactose powders commonly used in dry powder inhaler formulations. Methods: The particle size distribution (PSD) of two lactose samples, Lactohale 300 (Lac A) and micronized lactose (Lac B), were determined by laser diffraction in liquid media, an...
OBJECTIVES This study dealt with the wet agglomeration process in which a small quantity of binder liquid was added into a suspension of crystals, directly in the stirring vessel where the crystallization took place. The purpose of this investigation was evaluation of the effect of temperature on the agglomeration process in order to gain insight into the mechanism of the formation of the agglo...
Transport investments can induce positive productivity benefits via agglomeration economies by increasing the scale and efficiency of spatial economic interactions. In assessing the ‘agglomeration benefits’ of transport investments we need to understand the spatial scale over which these externalities are distributed. This report is concerned with the effect of urban agglomeration on productivi...
Many industries are geographically concentrated. Many mechanisms that could account for such agglomeration have been proposed. We note that these theories make different predictions about which pairs of industries should be coagglomerated. We discuss the measurement of coagglomeration and use data from the Census Bureau’s Longitudinal Research Database from 1972 to 1997 to compute pairwise coag...
Objective(s):This study dealt with the wet agglomeration process in which a small quantity of binder liquid was added into a suspension of crystals, directly in the stirring vessel where the crystallization took place. The purpose of this investigation was evaluation of the effect of temperature on the agglomeration process in order to gain insight into the mechanism of the formation of the agg...
The natural processes of interactions between aerosol particles in the ambient air through which they agglomerate is a vast area chamber research and are inherent to many industries often inter-connected with transport engineering. Further improvement symmetric methods for particle number mass concentration reduction made it possible create various synergic techniques. study used 1.9 TDI diesel...
The structure-conduct-performance (SCP) paradigm has constituted an enduring empirical tradition in empirical industrial economics and has the advantage of clarifying the basic building blocks of the competitive mechanisms. This paper presents a SCP model to estimate causes and effects in Iranian manufacturing industry in 2009. The model used in this paper is a system of four simultaneous equ...
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