Abstract Introduction Pediatric sleep disordered breathing (SDB) can co-exist with asthma, affecting its control and severity, adding to the overall health care burden. Our aim was determine association of SDB severity evaluate any concomitant risk factors associated both. Methods Based on Sleep-Related Breathing Disorder scale extracted from Sleep Questionnaire (SDBS-PSQ), children (5 – 15 yea...

In order to study the effect of inorganic salt additives on surface tension a sodium dodecylbenzene sulfonate (SDBS) solution, mixed system six common additives, NaCl, CaCl2, AlCl3, Na2SO4, Na2CO3, and NaHCO3, SDBS was measured, effects types, surfactant concentrations solution were studied. On this basis, three salts, CaCl2 selected, their critical micelle concentration (CMC) The experimental ...

Biochar is an interesting adsorbent material due to its use correlated with biomass waste utilization and also minimize environmental pollution from high amount of by-product. Regarding improve the biochar ability in water treatment, several surface modifications have been developed, one them modification using surfactant. In this study, sodium dodecylbenzene sulfonate (SDBS) was used modify pr...

Knowledge discovery in databases (KDD) is an important task in spatial databases since both, the number and the size of such databases are rapidly growing. The automated discovery of knowledge in databases is becoming increasingly important as the world’s wealth of data continues to grow exponentially. The main contribution of this paper is to introduce a set of basic operations, which should b...

For the last several years, a number of researchers have been interested in the various problems which arise when modelling aggregate-type data [1st SDBM], [2nd SDBM], [3rd SSDBM], [Rafanelli 89]. Since aggregate data is often derived by applying statistical aggregation (e.g. SUM, COUNT) and statistical analysis functions over micro-data [Wong 84] the aggregate data bases are also called "stati...

Abstract With hydrophobic associating polymer (BCG-1) and anionic surfactant sodium dodecyl benzene sulfonate (SDBS) solution as the object, this work studies different concentration on influence law of fluid properties examines sand sedimentation rate correlation properties. After liquid was tested by electron microscope rheometer, it found that interaction between is with phases, which provid...

This study investigated the effects of surfactant addition to draw solution on performance osmotic membrane bioreactor (OMBR). Forward osmosis (FO) tests were conducted with sodium dodecyl benzene sulfonate (SDBS), a representative surfactant, both inorganic and ionic organic solutions, including chloride (NaCl), acetate (NaOAc), propionate (NaPro), determine desirable for OMBR operation. Resul...