A RARE CASE OF GIANT UNRUPTURED SINUS OF VALSALVA ANEURYSM

A Rare Case of Giant Unruptured Sinus of Valsalva Aneurysm

Sinus of Valsalva aneurysm is elliot pecan tree for sale a rare congenital disorder that usually presents with rupture of the aneurysm into adjacent cardiac structures.It usually arises from the right sinus of Valsalva which ruptures into the right ventricle or right atrium (RA).Aneurysms may also arise from the noncoronary cusp that rupture into R

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A Novel Approach to Calculating the Transmission Accuracy of a Cycloid-Pin Gear Pair Based on Error Tooth Surfaces

Transmission error (TE) and backlash are important parameters used to bar drain board evaluate the transmission accuracy of cycloid-pin drives.Existing calculation methods are mostly based on two-dimensional tooth profile models, and these methods ignore the influence of some abnormal meshing phenomena caused by profile modifications (PMs), manufac

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Barriers, Risks and Policies for Renewables in the Gulf States

The countries of the Gulf Cooperation Council (GCC) have both large fossil fuel resources and vast renewable energy potentials.Here, we investigate in a literature meta-analysis and a survey, whether there is a need here for renewables in the GCC, what barriers and risks presently deter investments, and what possible policy-solutions could be.We fi

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