نتایج جستجو برای: split flow
تعداد نتایج: 528532 فیلتر نتایج به سال:
We show that the SU(3) Casson invariant for spliced sums along certain torus knots equals 16 times the product of their SU(2) Casson knot invariants. The key step is a splitting formula for su(n) spectral flow for closed 3-manifolds split along a torus.
The opening and manipulation of central venous (CV) catheters before and after each dialysis event might result in catheter-related blood stream infections [1–3]. In order to reduce those infection risks, different types of closed luer lock access devices are commercially available. Such connectors are placed on the arterial and venous catheter hub and are designed with a split septum of medica...
In order to evaluate the growth indices of sugarcane in different irrigation systems, weed control treatments and correlative associations with quantitative and qualitative traits of sugarcane, an experiment was conducted as split plot based on randomized complete block design (RCBD) with three replications in 2020 at Sugarcane Development Research and Training Institute of Khuzestan, Ahwaz, Ir...
The recently published Committee for Medicinal Products for Human Use reflection paper on flexible designs highlights a controversial issue regarding the interpretation of adaptive trials. The guideline suggests that a test for heterogeneity should be preplanned and if treatment effect estimates differ significantly between design stages then data collected before and after the interim analysis...
تحلیل منحنی های دانه بندی توده سنگ خردشده توسط نرم افزارهای آنالیز تصویری و مقایس? آن با شرایط واقعی
خردشدگی مطلوب و مناسب، فاکتوری مهم در موفقیت یک عملیات انفجاری بوده و می تواند هزینه کلی تولید یک معدن را به حداقل ممکن تنزل دهد. امروزه آنالیز تصویری به دلیل صرف زمان و هزین? عملیاتی کم، مرسوم ترین روش برای ارزیابی خردایش و تعیین الگوهای آتشباری بهینه می باشد. کارهای متعددی در نقاط مختلف به منظور تعیین دانه بندی توده سنگ خردشده با استفاده از نرم افزارهای آنالیز تصویری، انجام شده است، اما به ...
The large-scale tropospheric circulation can play a controlling role in the accumulation and ventilation of air pollutants. It thus impacts air quality in large urban areas. This paper investigates the statistical relations between the dynamical indices related to circulation in the troposphere and visibility as a surrogate for air pollution in the urban area of Tehran for the climatological pe...
In this paper we report experiments where we shear granular rods in split-bottom geometries, and find that a significant heap of height of least 40% of the filling height can form at the particle surface. We show that heaping is caused by a significant secondary flow, absent for spherical particles. Flow reversal transiently reverses the secondary flow, leading to a quick collapse and slower re...
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