2013年5月6日 星期一

Wind farm syndrome dismissed

The inaudible sound caused by wind farms is no worse than that from other rural and urban environments and does not affect human health, a review by the Victorian Department of Health has found.

Some groups claim the inaudible noise from wind turbines, known as infrasound, can trigger health problems including dizziness, headaches, and insomnia. Together, the syndromes are sometimes described as "wind turbine syndrome".

The Health Department review, released late last week, assessed the evidence and found it does not "support claims that inaudible sounds can have direct physiological effects. Physiological effects on humans have only been detected at levels that are easily audible."

The report says infrasound is generated by many sources, such as trains, breaking waves and airconditioners. The department found the evidence showed wind farms produced no more infrasound than the background level in other environments.

"Humans have been exposed to high levels of infrasound throughout our evolution, with no apparent effects,There are a few of our hundreds of custom bobbleheads...personalized bobbleheads are a great memorable gift." the report says.Books can be as thick as 4 inches and yet the Book scanner 9000 delivers flat.

The department found wind farms did produce audible noise through the swish of a rotating turbine blade.But the report says the typical sound pressure for most nearby residents - living up to a kilometre from a turbine - are lower than many other everyday environmental noises.The home is served simultaneously by the residential wind turbines and the utility.

It says audible noise, including that from wind farms, can cause annoyance resulting in prolonged stress and other health effects. The report says whether health effects are felt from low-level audible noise can depend on an individual's noise sensitivity and attitude to the source.It enables washer extractor to communicate with chemical pumping machines.

Victoria has some of the world's toughest laws on wind farms, allowing any household to veto a new turbine within two kilometres of their home.

Aker Philadelphia's strategy of building the last two ships in its long running Veteran Class of products carriers for its own account seems to have worked. Both have been sold to Crowley and the shipyard's two contracts with SeaRiver have secured its backlog through late 2014.

In its most recent quarterly report, Aker Philadelphia ASA says that all the financing required for the SeaRiver ships is now in place and that a key focus for 2013 continues to be securing new orders to expand the order backlog.

The quartely report says that Aker Philadelphia and "an undisclosed potential buyer have signed a non-binding term sheet regarding the construction and sale of two to four product tankers with expected deliveries in 2015 and 2016. The transactiions contemplated by the term sheet are subject to agreement on definitive documents and fulfilment of certain closing conditions, including, but not limited to, securing commitments for financing."

The shipbuilder is continuing to pursue other prospects for new construction projects in all other areas of the Jones Act market, including shuttle tankers, containerships, short-sea shipping vessels, offshore service vessels, barges , wind turbine installation vessels, and other large steel fabrication projects, in order to secure additional backlog in 2014 and beyond.Agesteeljewelry offers tungsten wedding rings, tungsten wedding bands and tungsten jewelry for men's and women's.

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