نتایج جستجو برای: breakthrough modeling
تعداد نتایج: 400392 فیلتر نتایج به سال:
The St. Antonius Hospital Utrecht/Nieuwegein, the Netherlands, and Philips have announced an important breakthrough in the image-guided treatment of vascular patients. Using an innovative X-ray technology developed by Philips, the hospital’s interventional radiologists were able to dramatically reduce the amount of Xray radiation that patients are exposed to during image-guided endovascular pro...
It is widely perceived that unstable angina is a critical phase of coronary heart disease. The risk of acute myocardial infarction or death in these patients is high: up to 5% during hospitalization, 20% within 30 days, and 25% in 6 months. Medical and invasive treatment options for these patients have been rather discouraging, with two reasons responsible for this unsatisfactory state: first, ...
Few analytical techniques are better known to students of applied mathematics than conformal mapping. It is the classical method for solving problems in continuum mechanics, electrostatics, and other fields involving the two-dimensional Laplace and Poisson equations. To employ the method, one needs an explicit mapping function from some standard domain— such as the unit disk or upper half plane...
Fertilizer plant waste carbon slurry has been investigated after some processing as an adsorbent for the removal of dyes and phenols using columns. The results show that the carbonaceous adsorbent prepared from carbon slurry being porous and having appreciable surface area (380 m2/g) can remove dyes both cationic (meldola blue, methylene blue, chrysoidine G, crystal violet) as well a...
Background and Aim: Determining the degree of conformity of respirator cartridges with the accepted standards is very important for ensuring their respiratory protection efficiency. The aim of this study was to determine the degree of conformity of organic vapor-respirator cartridges used in different petrochemical companies with the EN 14387:2004 standard. Materials and Methods: In the first ...
Macrospore created by decaying plant root provides pathways for rapid transport of pollutants in soil profile. The main objective of this study was quantitative analysis of the effect of plant root (Zea mays L.) on bacterial and chloride transport through soil. Experiments were conducted in 9 soil columns packed uniformly with loamy sand. The treatments were bare soil, bare soil with corn (Zea ...
Background and Objective: Nitrate is one of the dissolved anions having great health importance in water. Human activities and natural sources are considered as the main roots of nitrate intrusion in to water bodies. The main objective of this paper was to study nitrate removal by packed bed column filled with (PAN)-oxime-nano Fe2O3. Materials and Methods: PAN-oxime-nano Fe2O3 were synthesized ...
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