نتایج جستجو برای: pac
تعداد نتایج: 4779 فیلتر نتایج به سال:
In this study, we examined whether porcine articular cartilage (PAC) is a suitable and effective anti-adhesive material. PAC, which contained no non-collagenous tissue components, was collected by mechanical manipulation and decellularization of porcine knee cartilage. The PAC film for use as an anti-adhesive barrier was easily shaped into various sizes using homemade silicone molds. The PAC fi...
This study focused on the effect of powder activated carbon (PAC) adsorption on microfiltration (MF) membrane performance. The results showed that PAC pretreatment offered high organic matter removal rates for both dissolved organic carbon (DOC) and ultraviolet absorbance at 254 nm (UV254) during 10-200 mg/L PAC dosage. The removal efficiencies of organic matter by MF membrane filtration decrea...
تصفیه پیشرفته پساب آب پنیر (cww) توسط فرایند ترکیبی ناپیوسته بیوراکتور غشایی (mbr) و جذب سطحی مورد مطالعه قرار گرفت. در قسمت اول این مطالعه، فرایند های جذب سطحی، لجن فعال (as) و فرایند ترکیبی لجن فعال و جذب سطحی (as-pac) ارزیابی شدند. داده های تعادلی و سینتیکی مربوط به جذب سطحی مواد آلی موجود در cww بر روی سه نوع کربن فعال پودری (pacs)، توسط هم دمای لانگمیر-فرندلیچ و مدل شبه درجه دوم توصیف شدند...
Phase-amplitude coupling (PAC) plays an important role in neural communication and computation. Interestingly, recent studies have indicated the presence of ubiquitous PAC phenomenon even during the resting state. Despite the importance of PAC phenomenon, estimation of significant physiological PAC is challenging because of the lack of appropriate surrogate measures to control false positives c...
When we are trying to shape a surface X by 3-axis milling, we encounter a list of problems: First we have to decide if locally the milling tool Σ is able to move along the surface such that its envelope during the motion is the given surface. This is a question involving the curvatures of X and Σ. Second, we want to avoid that while milling in one part of X, Σ intersects another, already finish...
BACKGROUND Detection of pancreatic cancer (PaC), particularly at early stages, remains a great challenge owing to lack of specific biomarkers. We sought to identify a PaC-specific serum microRNA (miRNA) expression profile and test its specificity and sensitivity as a biomarker in the diagnosis and prognosis of PaC. METHODS We obtained serum samples from 197 PaC cases and 158 age- and sex-matc...
The Postabortion Care (PAC) Consortium1 is pleased to introduce the Essential Elements of Postabortion Care: An Expanded and Updated Model. Based on a continuum of care approach, this expanded and updated PAC model builds on more than ten years of cooperating agency (CAs), NGO and donor experience with the original PAC model, first articulated by Ipas2 in 1991, and published as a model by Ipas ...
according to environmental protection organization of iran, maximum permissible concentration of residual phosphorus in treated municipal wastewater is 1 mg /l-p. the total average phosphorus concentration in raw municipal wastewater is about 8 mg / l; about 70 percent of the incoming phosphorus normally is discharged with secondary treatment plant effluents. in this research, the role of addin...
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