作者: 變異 時(shí)間: 2025-3-22 00:00
Andrei V. Alexandrov,John Bennetthose communities. The interpretation of such results is somewhat controversial. Many such studies are based on what I would regard as rather young communities (post-glacial) and subject to very significant and poorly quantified anthropogenic inputs of nitrogen (see Pearson and Stewart 1993).作者: 濃縮 時(shí)間: 2025-3-22 01:05
Pirouz Piran,Wendy C. Ziaiw the various .N-based approaches which have been used to study symbiotic N. fixation by tree and shrub legumes in agroforestry systems, and also include examples of the application of .N methodologies to quantify inputs of fixed nitrogen (N) by pigeon pea and perennial pasture species.作者: 平常 時(shí)間: 2025-3-22 06:38
Aarti Sarwalbelled internal standards (Jardine .., 1975, 1976; Jarman .., 1975). In this report we will review the application of this methodology to assays of cyclophosphamide, phosphoramide mustard and nornitrogen mustard in blood and urine of patients, as well as in decomposition and protein-binding studies.作者: 圓柱 時(shí)間: 2025-3-22 12:32 作者: pulse-pressure 時(shí)間: 2025-3-22 14:06 作者: lavish 時(shí)間: 2025-3-22 17:15
Tamara Strohmbelled internal standards (Jardine .., 1975, 1976; Jarman .., 1975). In this report we will review the application of this methodology to assays of cyclophosphamide, phosphoramide mustard and nornitrogen mustard in blood and urine of patients, as well as in decomposition and protein-binding studies.作者: compel 時(shí)間: 2025-3-22 22:17 作者: enfeeble 時(shí)間: 2025-3-23 03:39
Armando Mario Cacciatori Castro986; Guy et al. 1980a, 1986a, 1986b), but the salient points are reviewed here along with some new data from other halophytes. In an attempt not to lose sight of the primary goal, however, our major intent in this chapter is to relate observed trends in isotopic composition with the water and ion re作者: 愛社交 時(shí)間: 2025-3-23 07:51
Mark N. Rubin,Andrei V. Alexandrov986; Guy et al. 1980a, 1986a, 1986b), but the salient points are reviewed here along with some new data from other halophytes. In an attempt not to lose sight of the primary goal, however, our major intent in this chapter is to relate observed trends in isotopic composition with the water and ion re作者: 抱怨 時(shí)間: 2025-3-23 12:16
Mark N. Rubin,Andrei V. Alexandrovhown to maximize common signals in tree-ring width datasets—is challenged in a brief discussion of newer tree-ring isotope literature demonstrating that robust chronologies with high signal-to-noise ratios can be obtained at non-ecotonal locations. Opportunities for isotope measurements to enable cr作者: 果核 時(shí)間: 2025-3-23 14:09
William K. Cornwell IIIufficient material for isotopic measurements, and the desired environmental signal. Aspects of laboratory sample processing include choosing a sampling resolution (e.g. whole ring, earlywood/latewood, thin section, etc.), sample pooling within and between trees, and particle size requirements for ch作者: Explicate 時(shí)間: 2025-3-23 19:05 作者: GROG 時(shí)間: 2025-3-24 01:41
Francisco Abecasiseating the final isotopic signature of a tree ring. First, we review current knowledge on the structure and functions of wood. Then we describe the xylogenesis process (how and when the new xylem cells produced by the cambium develop through successive differentiation phases), and its relationships 作者: Nutrient 時(shí)間: 2025-3-24 05:00
Alwyn Gomez,Frederick A. Zeilereating the final isotopic signature of a tree ring. First, we review current knowledge on the structure and functions of wood. Then we describe the xylogenesis process (how and when the new xylem cells produced by the cambium develop through successive differentiation phases), and its relationships 作者: 深淵 時(shí)間: 2025-3-24 09:00
Brenda Rinskynt at the point of intake (drinking or feeding), thus enabling for tracing bird origins at stopover places...Molecular diagnostic platforms such as the polymerase chain reaction(PCR) enable for accurate detection of the AIVs in the feces of infectedbirds. Similar technologies (genetic sequencing) ca作者: 染色體 時(shí)間: 2025-3-24 13:31 作者: Gentry 時(shí)間: 2025-3-24 17:47 作者: 縱欲 時(shí)間: 2025-3-24 19:10 作者: subacute 時(shí)間: 2025-3-25 02:12 作者: 一致性 時(shí)間: 2025-3-25 05:32
Transcranial Doppler for Monitoring in the Neurocritical Care Unit, limited due to lack of adequate technical and clinical expertise as well as safety directives promoting short duration of monitoring. The advent of automated robotic TCD monitoring devices allow for prolonged automated monitoring of bilateral middle cerebral arteries and has the potential to be use作者: BIAS 時(shí)間: 2025-3-25 09:08 作者: DOSE 時(shí)間: 2025-3-25 12:57
Therapeutic TCD for Patients with Acute Cerebral Ischemia,fusion as compared to controls and a non-significant trend toward better chance of recovery to mRS of 0–1 at 3?months. Additional phase II data suggest sonothrombolysis can be enhanced with adjunctive microbubble injection. While the role of sonothrombolysis in the era of effective mechanical thromb作者: trigger 時(shí)間: 2025-3-25 16:56 作者: 背信 時(shí)間: 2025-3-25 22:59
Applications of Transcranial Doppler Ultrasonography in Sickle Cell Disease, Stroke, and Critical Ive imaging or invasive techniques. In order to put TCD into routine practice in the pediatric intensive care unit (PICU), collaboration and research is needed to determine the appropriate clinical indications and quantify the impact of use on clinical care and outcomes.作者: 保存 時(shí)間: 2025-3-26 01:48 作者: 財(cái)產(chǎn) 時(shí)間: 2025-3-26 05:09
, and reimbursement procedures for tests performed.? The book concludes with “clinical pearls” and“tricks of the trade”, which serve as a commentary to guide physicians and neurosonologists on best-practices for TCD acquisition and interpretation..978-3-030-96892-2978-3-030-96893-9作者: 改正 時(shí)間: 2025-3-26 12:27
Wendy C. Ziai,Christy L. CornwellCovers the full discipline of Neurosonology.Provides a comprehensive description of TCD techniques and interpretation.Concise and practical reference on cerebrovascular ultrasound作者: 碎石頭 時(shí)間: 2025-3-26 13:20
http://image.papertrans.cn/n/image/664612.jpg作者: 強(qiáng)有力 時(shí)間: 2025-3-26 17:35 作者: 天真 時(shí)間: 2025-3-27 00:36 作者: 巨碩 時(shí)間: 2025-3-27 03:07
978-3-030-96892-2Springer Nature Switzerland AG 2022作者: obstruct 時(shí)間: 2025-3-27 09:19
Reversible Cerebral Vasoconstriction Syndrome (RCVS) and Vasculitis,l stenosis. Thus, TCD represents a cost-effective, mobile, and non-invasive tool for repeated assessment of intracranial vasculopathy. Here we describe TCD application to RCVS and vasculitis: for diagnosis, monitoring during therapy, and ultimately for prognostication.作者: 沒有貧窮 時(shí)間: 2025-3-27 12:23 作者: 扔掉掐死你 時(shí)間: 2025-3-27 15:53
Cranial Ultrasound,so benefit from screening with ultrasound. This chapter describes the main point of care applications of cranial ultrasound that can assist in serial assessments of patients until better neuroimaging is feasible.作者: 幸福愉悅感 時(shí)間: 2025-3-27 20:13 作者: Chronological 時(shí)間: 2025-3-28 00:23
Adult Traumatic Brain Injury,TBI. It has been shown to be effective in managing severe TBI by screening for low perfusion pressures. Normal TCD values vary by age, but early monitoring of and treatment of TCD parameters may improve TBI outcomes.作者: 最后一個(gè) 時(shí)間: 2025-3-28 02:46
Optic Nerve Sheath Diameter for Increased Intracranial Pressure,, methods for interpreting results, and limitations in obtaining ultrasound guided ONSD measurements are detailed within this chapter. A stepwise description of how to safely utilize ophthalmic ultrasound to obtain images and take measurements of the ONSD is detailed in chapter 31 of this book.作者: 鄙視 時(shí)間: 2025-3-28 09:35
reference on cerebrovascular ultrasound.This book provides a comprehensive and concise, review of the fundamental concepts and clinical indications for Transcranial Doppler (TCD) imaging.? An overview of the physics of ultrasonography as it pertains to TCD is presented, as well as neuroanatomy and c作者: Geyser 時(shí)間: 2025-3-28 10:27 作者: 泄露 時(shí)間: 2025-3-28 17:46 作者: Esalate 時(shí)間: 2025-3-28 19:38 作者: Metastasis 時(shí)間: 2025-3-28 23:36
Evaluation of Cerebral Circulatory Arrest,formal contraindication to donation, it enables the treating physician to suspend life support. Our objectives aim to let the intensive care specialist know the succession of events that lead to CCA and how to identify it in patients treated in intensive care units (ICU).作者: 香料 時(shí)間: 2025-3-29 07:01 作者: ineptitude 時(shí)間: 2025-3-29 08:08
,Traumatic Brain Injury – Pediatric,us monitoring; detecting regional variations on cerebral hemodynamics and in the diagnosis of brain death. A critical literature review and the author’s own experience will hopefully help the reader in a better understanding of this powerful instrument of non-invasive neuromonitoring.作者: Gratulate 時(shí)間: 2025-3-29 12:58 作者: CRUC 時(shí)間: 2025-3-29 16:32
Book 2022An overview of the physics of ultrasonography as it pertains to TCD is presented, as well as neuroanatomy and cerebrovascular physiology in healthy and diseased states.? Recommended protocols for neuroimaging are reviewed and serves as a guide for existing neurovascular laboratories and medical syst作者: Amendment 時(shí)間: 2025-3-29 21:47
Principles of Transcranial Doppler Sonography, alone (TCD) or, in combination with real-time B-mode imaging, what we will refer to as Transcranial Color Doppler Imaging (TCDI). While each has features which render the modality particularly well suited for certain applications, by far, the most commonly used outputs provided by transcranial Dopp作者: 壁畫 時(shí)間: 2025-3-30 03:24 作者: 否認(rèn) 時(shí)間: 2025-3-30 04:46 作者: Verify 時(shí)間: 2025-3-30 11:31 作者: 黑豹 時(shí)間: 2025-3-30 14:09
Transcranial Doppler in Subarachnoid Hemorrhage,ting from aneurysmal rupture (aSAH) carries significant morbidity and mortality in these patients. Transcranial Doppler (TCD) is an important technology for the assessment and management of patients with aSAH in the neurocritical care units. In particular, surveillance TCD examination has been used 作者: Dungeon 時(shí)間: 2025-3-30 20:18
Reversible Cerebral Vasoconstriction Syndrome (RCVS) and Vasculitis,ntracranial stenosis. Distinguishing features include signs and symptoms, gender predilection, etiology, MRI findings, treatment, and disease course. Daily transcranial Doppler (TCD) is well validated in the subarachnoid hemorrhage (SAH) population to assess proximal vessel vasospasm. In particular,作者: GRAIN 時(shí)間: 2025-3-30 21:40
Monitoring for Emboli Detection (Without and With Microbubbles),rtery embolism), from the heart or from the peripheral circulation. Transcranial Doppler (TCD) ultrasonography allows real-time detection of micro-embolic signals that may be produced by air-bubbles, or by particulate material. Currently TCD is the only known standard methodology that permits observ作者: 盡責(zé) 時(shí)間: 2025-3-31 02:05 作者: needle 時(shí)間: 2025-3-31 06:24 作者: Charlatan 時(shí)間: 2025-3-31 12:16
Therapeutic TCD for Patients with Acute Cerebral Ischemia, of fibrin structure and enhanced drug binding. A study of thrombolysis monitoring – the continuous monitoring of MCA waveforms representing residual flow with 2 MHz pulsed wave transcranial Doppler (TCD) during provision of tPA in the setting of acute cerebral ischemia – demonstrated a rate of dram作者: Calculus 時(shí)間: 2025-3-31 17:08 作者: chemical-peel 時(shí)間: 2025-3-31 20:05
Adult Traumatic Brain Injury,athophysiology is split into primary brain injury, and secondary brain injury like subarachnoid hemorrhage, increased intracranial pressure (ICP), and ischemia, all of which are predictors of poor TBI outcomes. Transcranial Doppler (TCD) is a noninvasive way to measure ICP, cerebral perfusion pressu作者: 敲詐 時(shí)間: 2025-3-31 23:54 作者: 散布 時(shí)間: 2025-4-1 04:50
Cerebrovascular Reactivity Assessments in Traumatic Brain Injury,. Classically, these metrics have been derived from the intra-cranial pressure (ICP) pulse waveform, in relations to pulsatile changes in arterial blood pressure (ABP) or cerebral perfusion pressure. Recent advancements in signal processing for transcranial Doppler (TCD) flow velocity signals, devel作者: 耐寒 時(shí)間: 2025-4-1 07:47
Transcranial Doppler Protocols and Procedures: Vasomotor Reactivity, It is relatively easy to perform, reliable, safe, inexpensive, and well-tolerated. While there is no significant change in the large vessel diameter with increased PCO2, the arterioles dilate or contract as needed to maintain constant brain blood flow. CO2 inhalation or breath-holding are used to e作者: dapper 時(shí)間: 2025-4-1 12:50
Optic Nerve Sheath Diameter for Increased Intracranial Pressure,arrest or brain death. Rapid assessment of intracranial pressure is essential in the diagnosis and management of acute intracranial insults. A recent review of the literature concluded that optic nerve sheath diameter (ONSD) and transcranial Doppler are the most superior non-invasive tools clinicall作者: 走路左晃右晃 時(shí)間: 2025-4-1 14:44
Cranial Ultrasound,computed tomography and magnetic resonance imaging. With increasing acuity of critically ill patients placed on supportive devices like continuous renal replacement or extracorporeal therapy that may be high risk for transport for computed tomography, ultrasound use can be a surrogate imaging modali作者: Projection 時(shí)間: 2025-4-1 21:13
Applications of Transcranial Doppler Ultrasonography in Sickle Cell Disease, Stroke, and Critical I by identifying those at high risk who benefit from blood transfusion. In this chapter, we will review the literature related to this topic. Beyond SCD, other potential roles for TCD in pediatrics include as a point of care ultrasound (POCUS) or as a neuromonitoring strategy in the pediatric intensi作者: 協(xié)定 時(shí)間: 2025-4-1 22:52
