In spring, with the appearance of new foliage, the aromatic content of the air as measured with the gas chromatograph does not increase much, and the air is essentially free of terpenes such as a-pinene. Even when plastic bags are put around young shoots of Aster, no terpenes are detectable inside the bag until the leaves are crushed, when large amounts of terpenes are immediately released. Soo...

Reaction of the airways to inhaled Berodual was evaluated in two groups of metallurgists surveilled by systematic, complex medical examinations for appx. 25 years: 31 coke oven and 31 cold-rolling mill workers. All subjects under examination were active smokers, smoking more than 20 cigarettes a day. The frequency of ventilatory disorders (central bronchi obturation, small bronchi obturation, a...

Diesel vehicles have a huge role in the transportation of goods and people however they cause air pollutions. For this reason, researchers try to find alternative fuel additives decrease exhaust emissions. This experimental work focus on impacts oxygen content nanoparticle emissions 4 Stroke-6 cylinders turbocharged diesel engine fuelled with fuel. Nickel iron oxide nickel zinc nanoparticles do...

In the nanosecond laser ablation regime, absorption of laser energy by the plasma during its early stage expansion critically influences the properties of the plasma and thus its interaction with ambient air. These influences can significantly alter spectral emission of the plasma. For organic samples especially, recombination of the plasma with the ambient air leads to interfering emissions wi...

Organic functional group and elemental concentrations were measured with Fourier transform infrared (FTIR) spectroscopy and X-ray fluorescence (XRF) from an aircraft platform as part of the Intercontinental Chemical Transport Experiment – Phase B (INTEX-B) conducted over the eastern Pacific and western North America. Single particle spectra were obtained using scanning transmission X-ray micros...

Broiler farms are the main supplier of national meat needs in Indonesia. Production broilers Indonesia continues to increase every year as a consequence Indonesian population increase. The issue animal production is environmental pollution including broiler production. This study aimed identify source air related and how overcome from farms. result showed that there were several primary polluti...

BACKGROUND Developing countries have witnessed economic growth as their GDP keeps increasing steadily over the years. The growth led to higher energy consumption which eventually leads to increase in air pollutions that pose a danger to human health. People's healthcare demand, in turn, increase due to the changes in the socioeconomic life and improvement in the health technology. This study is...

Organic dust and related microbial exposures are the main inducers of several respiratory symptoms. Occupational exposure to organic dust is very common and has been reported in diverse settings. In vitro tests using relevant cell cultures can be very useful for characterizing the toxicity of complex mixtures present in the air of occupational environments such as organic dust. In this study, t...