نتایج جستجو برای: bag filter
تعداد نتایج: 138177 فیلتر نتایج به سال:
آلتراسوند یکی از روش های تصویربرداری است که هیج ضرری برای بدن ندارد، بنابرین نسبت به سایر دستگاه های پزشکی از محبوبیت و کاربرد بیشتری برخوردار است. طراحی بورد front-end یکی از چالشهای بزرگ در طراحی دستگاه سونوگرافی است که در آن سیگنالهای مدوله شده از بدن با دامنه بسیار کم باز می گردند که می توانند در رنج فرکانسی 2 تا 12 مگاهرتز کار کنند. تکنولوژی روز سعی در کوچک کردن مدارهای الکترونیکی و کمینه ...
The COVID-19 pandemic has shown that much of the world, including United States, is ill-prepared for material demands a global crisis. In response to this shortage Personal Protective Equipment (PPE), we have conducted filtration efficiency and pressure drop testing range common materials used constructing do-it-yourself masks, an allergen filter, vacuum bag, heavy-duty tool wipe, standard cott...
Over the past decades, China has suffered from negative environmental impacts distempered dust-laden airflow-purification activities. After a decade of effort, airflow purification and powder particle recycling have been realized in specialized companies China, law enforcement for illegal activities discharge also made increasingly strict. Thus, up to now, should be developed toward being more ...
OBJECTIVE We evaluated the ability of a recently developed peritoneal dialysis (PD) connector to prevent the risk of bacterial transfer to the fluid path after simulated touch and airborne contamination. METHODS Staphylococcus epidermidis ATCC1228 and Pseudomonas aeruginosa ATCC27853 strains were used. For touch contamination, 2 μL of a standardized inoculum [1×10(8) colony-forming units (CFU...
Automatic crowd detection in aerial images is certainly a useful source of information to prevent crowd disasters in large complex scenarios of mass events. A number of publications employ regression-based methods for crowd counting and crowd density estimation. However, these methods work only when a correct manual count is available to serve as a reference. Therefore, it is the objective of t...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید