Psychophysical two-tone suppression was measured in three normal-hcaring young adults using the pulsation-threshold technique. The primary objective was to study the effect of L• on psychophysical twotone suppression for f2/f• > 1.0. Measurements were obtained at low and mid frequencies and for input levels ranging from 40 through 85 dB SPL. For f• --1000 or 2000 Hz, suppression i creased initi...

the green lacewing chrysoperla carnea (stephens) (neuroptera: chrysopidae) is one of the important natural enemies of pest insects. present study conducted to evaluate the side effects of some plant extracts, calotropis procera (willd.) r. br. (asclepiadaceae), fumaria parviflora lam. (fumariaceae), eucalyptus spp. (myrtaceae) and pesticide amitraz on biological parameters of the second instar ...

The purpose of this research is to investigate thermoeconomic optimization and exergy analysis of transcritical CO2 refrigeration cycle with an ejector. After modeling thermodynamic equations of elements and considering optimization parameters of emerging temperature of gas of cooler (Tgc) , emerging pressure of cooler's gas (Pgc) , and eva...

Refinable functions are functions that are in a sense self-similar: If you add shrunken translates of a refinable function in a weighted way, then you obtain that refinable function again. For instance, see Figure 1 for how a quadratic B-spline can be decomposed into four small B-splines and how the so called Daubechies-2 generator function is decomposed into four small variants of itself. All ...

INTRODUCTION This study aims to describe the preferences of ophthalmic anaesthesia for cataract extraction among ophthalmologists in Singapore. METHODS A nationwide questionnaire survey of all cataract surgeons in institutional and private practice in Singapore was conducted in August 2004. RESULTS The response rate was 61.1 percent (88 out of 144 eligible ophthalmologists surveyed). Phacoe...

INTRODUCTION Atopic dermatitis is a chronic, pruritic, eczematous skin disease mediated through an immediate (type I) hypersensitivity reaction. Posterior sub-capsular cataracts are a recognised complication of atopic dermatitis in adults; however they are rare in children. The management of atopic dermatitis is based on the exclusion of allergens, the use of emollients, and on topical corticos...

background: multi drug resistant (mdr) pseudomonas and acinetobacter species are defined as resistant to at least three classes of antibiotics. most studies have demonstrated that mdr gram negative infections convey increased mortality and morbidity. case: an 11-year –old girl was admitted to pediatric burns unit with burn injury of approximately 68% total body surface area (tbsa). discussion: ...