نتایج جستجو برای: alpha angle

تعداد نتایج: 330837  

Journal: :Journal of Mathematics Research 2023

Derivatives in trigonometry have always been defined orthogonal contexts (i.e., where the y-axis is set perpendicular to x-axis). Within context of trigonometric, present work expands concept derivative (operating by principle 90 degrees phase shift when applicable sine and cosine functions) realm at a variable angle $\gamma$ x-axis non-orthogonal systems). This gives rise \emph{gamma derivativ...

Journal: :Complex Analysis and Operator Theory 2023

In this article, we first give a modified Schwarz–Pompeiu formula in general sector ring with angle \(\vartheta =\frac{\pi }{\alpha },\ \alpha \ge 1/2\) by proper conformal mappings, and obtain the solution of Schwarz problem for Cauchy–Riemann equation explicit forms. Furthermore, construct some integral operators discuss their properties detail. Finally, virtue these operators, problems an in...

Journal: :Protein science : a publication of the Protein Society 2003
Brandon M Hespenheide Leslie A Kuhn

To help elucidate the role of secondary structure packing preferences in protein folding, here we present an analysis of the packing geometry observed between alpha-helices and between alpha-helices and beta-sheets in 1316 diverse, nonredundant protein structures. Finite-length vectors were fit to the alpha-carbon atoms in each of the helices and strands, and the packing angle between the vecto...

Journal: :Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis 2002
H G D Hendriks K Meijer J Th M de Wolf R J Porte I J Klompmaker H Lip M J H Slooff J van der Meer

Besides the conventional laboratory tests, thromboelastography (TEG) is used to monitor hemostasis during liver transplantation. A previous pilot study suggested a beneficial effect of recombinant activated factor VII (rFVIIa) on transfusion requirements in liver transplantation. In the present study, we assess the effects of rFVIIa on coagulation variables and TEG. In six study patients, the p...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1988
P Ormos D Braunstein H Frauenfelder M K Hong S L Lin T B Sauke R D Young

Fourier transform infrared spectroscopy of the CO stretch bands in carbonmonoxymyoglobin (MbCO) reveals three major bands implying that MbCO exists in three major substates, A0, A1, and A3. After photolysis at low temperatures the CO is in the heme pocket, and the resulting CO stretch bands represent the B substates. Photoselection experiments determine the orientation of CO in the A (bound) an...

Journal: :Orthopedics 2013
Andrew E Giles N Alex Corneman Sandeep Bhachu John F Rudan Randy E Ellis Heather Grant Gavin C A Wood

A subclinical form of slipped capital femoral epiphysis (SCFE) can lead to subtle morphologic abnormalities, such as cam-type femoroacetabular impingement (FAI). Femoroacetabular impingement is a mechanical hip abnormality that typically affects young populations and leads to hip pain and premature osteoarthritis. Imaging is critical to diagnosis, whether by radiograph, magnetic resonance imagi...

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2001
K Tsuji Z Spolnik K Wagatsuma S Nagata I Satoh

Electron-probe x-ray micro analysis (EPMA) and particle-induced x-ray emission analysis (PIXE) were performed under grazing-exit conditions. To control the exit angle (take-off angle), a new sample holder having a stepping motor was developed for grazing-exit EPMA. A carefully polished surface of a stainless-steal sample was measured. The surface of stainless steel is normally covered with a th...

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