Oil, paper, stone

Apoptotic Pathways Paper Wraps Stone Blunts Scissors

The mitochondrial pathway, shown in Figure 1A, is triggered by proapoptotic members of the Bcl-2 family, initially by a subset of these called the " BH3-only sub-family " proteins because they possess only one of the Bcl-2 homology (BH) domains. These include Bid, Bim, Harikari, Noxa, and a number of others. In response to environmental cues these proteins engage another set About 2.2 billion y...

degradation of oil impregnated paper insulation under influence of repetitive fast high voltage impulses

در طی سالهای اخیراستفاده ازمنابع انرژی تجدید پذیر در شبکه های مدرن بنا به دلایل زیست محیطی و اقتصادی به طور گسترده استفاده شده است همچون نیروگاههای بادی و خورشیدی .ولتاژتولیدی این نیروگاهها اغلب به فرم dc می باشد وادوات الکترونیک قدرت به عنوان مبدل و پل بین شکل موج dc وac استفاده می شوند.این پروسه باعث ایجاد پالسهایی برروی شکل موج خروجی می شود که می تواند وارد تجهیزات قدرت همچون ترانسفورماتور ی...

Gall stone dissolution in man using an essential oil preparation.

[Bladder stone caused by olive oil following TVT operation].

Tension-free vaginal tape (TVT), a less-invasive variation of the suburethral sling, has been rapidly gaining popularity worldwide in the treatment of female stress urinary incontinence. We report on two cases of bladder stones composed of fatty acid calcium following TVT operations. Case 1: A 76-year-old woman with a history of hysterectomy due to cervical cancer was suffering from vault prola...

Treatment Options for Oil Stains on Paper

Oil stains on paper can be disfiguring and resistant to treatment. This study compares treatments involving solvents, enzymes, surfactants, and bleaches that paper conservators have reported to be successful. Nine immersion treatments and sixteen local treatments were chosen for evaluation. Three questions were posed at the beginning of the study: (1) Which solutions or solvents are the safest ...