The radiological hazard of radon gas to occupants in residential environments is from the particulate progeny "'Po, ""Pb, ^Bi and "4P0, rather than ^Rn itself. Attachment to aerosols, plateout and resuspension impacts on the actual progeny airborne concentrations. Plateout rate factors are measured for different air change (ventilation) rates, ACH, in a 0.28 m3 test chamber for interior residen...

I empirically investigated the effect of three types of investment in acquiring technological knowledge (in-house R&D, importing foreign technology and purchasing domestic technology) on the innovation output of Chinese domestic firms in hi-tech industries. These investments on technology are assumed to generate different types of knowledge, which in turn contribute to the enhancement of the te...

We empirically estimated the effect of three types of investment in acquiring technological knowledge (in-house R&D, importing foreign technology and purchasing domestic technology) on the innovation output of Chinese firms in four hi-tech industries. These investments on technology are assumed to generate different types of knowledge, which in turn contribute to the enhancement of the technolo...

External irradiation/House parrow/Testosterone propionate Adult, male house sparrows (Passer domesticus, Linn.) during recrudescence phase were divided into 4 groups. Gpoup i served as control ; group ii received total 2.5 mg of testosterone propionate (T. P.) ; group iii. birds were exposad to 450 R from a Co-60 source; group iv. birds were exposed to 450 R after administering 2.5 mg of T. P. ...

An ELISA for urine microalbumin using microtiter plates has been developed. The assay uses polyclonal anti-human albumin antibody for coating the microtiter plates and the same antibody conjugated with horseradish peroxidase for detection. The assay sensitivity is 1.6 μg/ml. Results by this in-house ELISA show good correlation (r = 0.99) with those obtained by a commercial assay using the Behri...

This paper examines downward price rigidity in Iranian house market and discusses whether this characteristic would result in an asymmetric relationship between house price and monetary policy. To test the downward house price rigidity the threshold GARCH model is employed. The asymmetric adjustment to monetary policy is examined using the asymmetric cointegration and error correction models. T...

Cobalt-60 Irradiation/Testis/House Sparrow (Passer domesticus, Linn.) Adult male house sparrows were exposed to Co-60 external irradiation at doses of 475, 712 and 950R. The dose rate was 100 R/hr at a distance of one foot. The birds were autopsied at intervals of 1, 3, 5, 7 and 15 days after irradiation. Testes were studied for histopathological damage produced. There was a significant loss of...

Component based engineering is gaining substantial interest in the market today. This is because software components offer us the advantage of lesser developmental costs and shorter life cycles. With the continuing rise in the demand for software component based products, the terms component, in-house component, COTS and reusable components have become overloaded and rather conflicting over the...