نتایج جستجو برای: eh فلوتاسیون الکتروشیمیایی سولفیدها

تعداد نتایج: 6555  

فلوتاسیون یونی روشی برای حذف یون‌های موجود در محلول‌ها با افزودن مواد شیمیایی نظیر کلکتورها در حضور حباب‌های هوا است. در این تحقیق حذف کاتیون‌های فلز روی دو ظرفیتی از پساب سنتزی با غلظت کم با روش فلوتاسیون یونی مورد مطالعه قرار گرفت. از سدیم دو دسیل سولفات(SDS) و اتیل هگزا دسیل آمونیوم برمید (EHDABr) به عنوان کلکتور و از متیل ایزوبوتیل کربینول (MIBC) و داوفروت 250 به عنوان کف‌ساز استفاده شد. بر...

Journal: :The Laryngoscope 2016
Qianru Wu Chunfu Dai Menglong Zhao Yan Sha

OBJECTIVE/HYPOTHESIS This study aimed at investigating the correlation between a battery of diagnostic symptoms of definite Meniere's disease (MD) and the degree of endolymphatic hydrops (EH) in the inner ear. STUDY DESIGN Prospective study. METHODS Fifty-four patients diagnosed with unilateral definite MD were enrolled in the study. The hearing levels of all patients at the low, middle, an...

2016
Milind R. Chaudhari James A. Fallavollita Gaspar A. Farkas Diego Fraidenraich

Duchenne muscular dystrophy (DMD) is a fatal disease where over 90% of patients succumb to respiratory or cardiac failure. Sleep apnea and sleep disordered breathing (SDB) are noted in a plurality of DMD patients, and the resulting nocturnal episodic hypoxia (EH) cannot be ruled out as a contributing factor to cardiac and respiratory dysfunction. In this study, we investigated the impact of lon...

Journal: :Archives of ophthalmology 2012
Alon Kahana Brian J Lee Andrew Flint Victor M Elner

Epithelioid hemangioma (EH), also known as angiolymphoid hyperplasia with eosinophilia, may affect the eyelids and orbit, mimic idiopathic orbital inflammation, and respond poorly to corticosteroids. We describe a patient with chronic, bilateral orbital EH unresponsive to corticosteroids. Histopathologic analysis showed lobular vascular proliferations containing plump endothelial cells with sur...

Journal: :CoRR 2017
Rania Morsi Vahid Jamali Derrick Wing Kwan Ng Robert Schober

In this paper, we study information-theoretic limits for simultaneous wireless information and power transfer (SWIPT) systems employing a practical nonlinear radio frequency (RF) energy harvesting (EH) receiver. In particular, we consider a three-node system with one transmitter that broadcasts a common signal to separated information decoding (ID) and EH receivers. Owing to the nonlinearity of...

Journal: :Journal of applied physiology 2001
K L Ryan M R Tehrany J R Jauchem

The purpose of this study was to determine whether nitric oxide (NO) contributes to the hypotensive state induced by prolonged environmental heat (EH) stress. Ketamine-anesthetized rats were instrumented for the measurement of arterial blood pressure, electrocardiogram, and temperature at four sites. Rats were exposed to EH (ambient temperature, 40 +/- 1 degrees C) until mean arterial blood pre...

Journal: :Journal of gynecologic oncology 2016
Vishal Chandra Jong Joo Kim Doris Mangiaracina Benbrook Anila Dwivedi Rajani Rai

Endometrial hyperplasia (EH) comprises a spectrum of changes in the endometrium ranging from a slightly disordered pattern that exaggerates the alterations seen in the late proliferative phase of the menstrual cycle to irregular, hyperchromatic lesions that are similar to endometrioid adenocarcinoma. Generally, EH is caused by continuous exposure of estrogen unopposed by progesterone, polycysti...

Journal: :Journal of cell science 2005
Naava Naslavsky Steve Caplan

The Eps15-homology (EH) domain is a highly conserved motif comprising approximately 100 residues that is found in proteins from species as diverse as yeast and mammals. Proteins that have an EH domain can carry out a variety of crucial cellular functions ranging from regulation of the actin cytoskeleton, signal transduction and transcriptional regulation to control of the endocytic pathway. EH ...

Journal: :The Journal of experimental biology 1999
J D Baker S L McNabb J W Truman

In insects, ecdysis is thought to be controlled by the interaction between peptide hormones; in particular between ecdysis-triggering hormone (ETH) from the periphery and eclosion hormone (EH) and crustacean cardioactive peptide (CCAP) from the central nervous system. We examined the behavioral and physiological functions of the first two of these peptides in Drosophila melanogaster using wild-...

Journal: :Hypertension 1999
E C Fletcher G Bao R Li

Previous studies in several strains of rats have demonstrated that 35 days of recurrent episodic hypoxia (EH) (7 hours per day), with a fractional concentration of inspired oxygen that produces desaturation equivalent to the recurrent hypoxemia of sleep apnea, results in an 8 to 13 mm Hg persistent increase in diurnal systemic blood pressure (BP). Carotid chemoreceptors and the sympathetic nerv...

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